======================================
| [   22.417613][  T328] veth1: entered promiscuous mode
| [   22.419311][  T328] ------------[ cut here ]------------
| [ 22.420431][ T328] WARNING: CPU: 2 PID: 328 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.421087][  T328] Modules linked in: bridge stp llc 8021q vrf veth
[   22.422146][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.422548][ T328] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.422901][ T328] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.424017][  T328] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   22.424427][  T328] RAX: 0000000000000000 RBX: ffff88800aad2000 RCX: 0000000000000001
[   22.424933][  T328] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[   22.425425][  T328] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.425933][  T328] R10: ffffc900005e7010 R11: ffffffff9a8a8918 R12: 1ffff920000bcde2
[   22.426424][  T328] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff88800aad2f08
[   22.427100][  T328] FS:  00007fe453d22800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[   22.427704][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.428127][  T328] CR2: 00000000004e5aa8 CR3: 000000000bdd0004 CR4: 0000000000772ef0
[   22.428803][  T328] PKRU: 55555554
[   22.429226][  T328] Call Trace:
[   22.429555][  T328]  <TASK>
[ 22.429776][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.430116][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.430456][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.430798][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.431210][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.431543][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 22.431914][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.432270][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.432737][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.432993][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.433436][ T328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.433822][ T328] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 22.434161][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.434498][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.434934][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.435266][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.435625][ T328] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.435965][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.436302][ T328] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.436652][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.437097][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.437429][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.437774][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.438105][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.438454][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.438792][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.439125][ T328] ? __create_object (mm/kmemleak.c:771) 
[ 22.439457][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.439830][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.440167][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.440592][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.440932][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.441270][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.441613][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.441953][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.442336][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.442694][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.443033][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.443367][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.443730][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.444074][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.444412][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.444760][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.445103][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.445449][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.445790][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.446127][ T328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.446462][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.446807][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.447168][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.447515][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.447881][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.448227][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.448592][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.448930][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.449352][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 22.449692][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.450032][ T328] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.450445][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.450792][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.451131][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.451468][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.451833][ T328] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.452172][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.452514][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 22.452867][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.453278][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.453629][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.453965][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.454295][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.454711][  T328] RIP: 0033:0x7fe453eef1e7
[ 22.455062][ T328] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.456256][  T328] RSP: 002b:00007ffee63c7798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.456772][  T328] RAX: ffffffffffffffda RBX: 00007ffee63c7ec0 RCX: 00007fe453eef1e7
[   22.457285][  T328] RDX: 0000000000000000 RSI: 00007ffee63c7800 RDI: 0000000000000005
[   22.457801][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.458277][  T328] R10: 00000000215f7910 R11: 0000000000000246 R12: 0000000000000004
[   22.458780][  T328] R13: 00000000686e5ddc R14: 0000000000499600 R15: 0000000000000000
| [   22.961090][  T332] ------------[ cut here ]------------
| [ 22.961403][ T332] WARNING: CPU: 0 PID: 332 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.962027][  T332] Modules linked in: bridge stp llc 8021q vrf veth
| [   22.963106][  T332] Tainted: [W]=WARN
[   22.963346][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.963738][ T332] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.964057][ T332] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.965165][  T332] RSP: 0018:ffffc90000a16ef0 EFLAGS: 00010246
[   22.965556][  T332] RAX: 0000000000000000 RBX: ffff88800aad2000 RCX: 0000000000000001
[   22.966024][  T332] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[   22.966488][  T332] RBP: ffffc90000a16fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.966959][  T332] R10: ffffc90000a17010 R11: ffffffff9a8a8918 R12: 1ffff92000142de2
[   22.967414][  T332] R13: 00000000000005dc R14: ffffc90000a17010 R15: ffff88800aad2f08
[   22.967879][  T332] FS:  00007fae5bf02800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[   22.968434][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.969102][  T332] CR2: 00000000004e5ab0 CR3: 000000000abe7001 CR4: 0000000000772ef0
[   22.969562][  T332] PKRU: 55555554
[   22.969962][  T332] Call Trace:
[   22.970192][  T332]  <TASK>
[ 22.970351][ T332] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.970806][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.971142][ T332] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.971446][ T332] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.971874][ T332] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.972185][ T332] netif_set_mtu (net/core/dev.c:9652) 
[ 22.972490][ T332] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.972832][ T332] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.973262][ T332] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.973501][ T332] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.973922][ T332] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.974270][ T332] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 22.974597][ T332] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.974956][ T332] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.975362][ T332] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.975705][ T332] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.976041][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.976373][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.976730][ T332] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.977057][ T332] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.977460][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.977800][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.978124][ T332] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.978470][ T332] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.978806][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.979134][ T332] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.979457][ T332] ? __create_object (mm/kmemleak.c:771) 
[ 22.979801][ T332] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.980127][ T332] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.980451][ T332] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.980889][ T332] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.981220][ T332] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.981552][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.981894][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.982223][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.982546][ T332] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.982880][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.983210][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.983540][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.983882][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.984206][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.984531][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.984878][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.985201][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.985531][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.985871][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.986196][ T332] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.986520][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.986851][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.987181][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.987506][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.987841][ T332] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.988174][ T332] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.988513][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.988859][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.989272][ T332] ___sys_sendmsg (net/socket.c:2670) 
[ 22.989601][ T332] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.989922][ T332] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.990322][ T332] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.990670][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.990999][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.991325][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.991661][ T332] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.991985][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.992318][ T332] __sys_sendmsg (net/socket.c:2700) 
[ 22.992664][ T332] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.993065][ T332] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.993408][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.993745][ T332] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.994072][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.994478][  T332] RIP: 0033:0x7fae5c0cf1e7
[ 22.994827][ T332] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.995997][  T332] RSP: 002b:00007fffb1e593c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.996488][  T332] RAX: ffffffffffffffda RBX: 00007fffb1e59af0 RCX: 00007fae5c0cf1e7
[   22.996998][  T332] RDX: 0000000000000000 RSI: 00007fffb1e59430 RDI: 0000000000000005
[   22.997480][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.997984][  T332] R10: 0000000036cb2910 R11: 0000000000000246 R12: 0000000000000004
[   22.998482][  T332] R13: 00000000686e5ddc R14: 0000000000499600 R15: 0000000000000000
| [  108.872135][  T931] ------------[ cut here ]------------
| [ 108.872525][ T931] WARNING: CPU: 3 PID: 931 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  108.873246][  T931] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.874660][  T931] Tainted: [W]=WARN
[  108.875012][  T931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.875429][ T931] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 108.875790][ T931] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  108.876945][  T931] RSP: 0018:ffffc900022c7080 EFLAGS: 00010246
[  108.877343][  T931] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  108.877841][  T931] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  108.878475][  T931] RBP: ffffc900022c7168 R08: 0000000000000000 R09: 0000000000000000
[  108.879006][  T931] R10: ffffc900022c7198 R11: ffffffff9a8a8918 R12: 1ffff92000458e14
[  108.879485][  T931] R13: 00000000000005dc R14: ffffc900022c7198 R15: ffff888004dd2f08
[  108.879964][  T931] FS:  00007f2c340aa800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  108.880522][  T931] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.880927][  T931] CR2: 000055e0f3b02530 CR3: 000000000e473004 CR4: 0000000000772ef0
[  108.881414][  T931] PKRU: 55555554
[  108.881660][  T931] Call Trace:
[  108.881894][  T931]  <TASK>
[ 108.882061][ T931] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.882380][ T931] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.882717][ T931] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.883109][ T931] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.883423][ T931] netif_set_mtu (net/core/dev.c:9652) 
[ 108.883743][ T931] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.884067][ T931] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.884496][ T931] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.884742][ T931] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.885169][ T931] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.885522][ T931] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 108.885846][ T931] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.886164][ T931] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.886482][ T931] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.886801][ T931] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.887119][ T931] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.887436][ T931] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.887788][ T931] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.888114][ T931] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.888456][ T931] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.888794][ T931] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.889117][ T931] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.889440][ T931] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.889762][ T931] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.890080][ T931] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.890389][ T931] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.890726][ T931] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.891045][ T931] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.891365][ T931] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.891687][ T931] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.892001][ T931] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.892349][ T931] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.892682][ T931] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 108.892997][ T931] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 108.893324][ T931] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.893657][ T931] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.893989][ T931] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.894321][ T931] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.894651][ T931] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.894973][ T931] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.895302][ T931] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.895629][ T931] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.896027][ T931] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 108.896355][ T931] ___sys_sendmsg (net/socket.c:2670) 
[ 108.896689][ T931] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.897010][ T931] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.897358][ T931] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.897678][ T931] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 108.898001][ T931] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.898328][ T931] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.898693][ T931] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 108.899050][ T931] __sys_sendmsg (net/socket.c:2700) 
[ 108.899372][ T931] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.899698][ T931] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 108.900048][ T931] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 108.900365][ T931] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.900693][ T931] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.901024][ T931] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.901434][  T931] RIP: 0033:0x7f2c342771e7
[ 108.901768][ T931] Code: Unable to access opcode bytes at 0x7f2c342771bd.

Code starting with the faulting instruction
===========================================
[  108.902174][  T931] RSP: 002b:00007ffc98c469b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.902684][  T931] RAX: ffffffffffffffda RBX: 00007ffc98c470e0 RCX: 00007f2c342771e7
[  108.903169][  T931] RDX: 0000000000000000 RSI: 00007ffc98c46a20 RDI: 0000000000000005
[  108.903677][  T931] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.904190][  T931] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc98c47118
[  108.904679][  T931] R13: 00000000686e5e32 R14: 0000000000499600 R15: 0000000000000000
| [  109.042123][  T936] ------------[ cut here ]------------
| [ 109.042464][ T936] WARNING: CPU: 2 PID: 936 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  109.043125][  T936] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.044310][  T936] Tainted: [W]=WARN
[  109.044573][  T936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.044984][ T936] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 109.045324][ T936] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  109.046478][  T936] RSP: 0018:ffffc900019c7080 EFLAGS: 00010246
[  109.047647][  T936] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  109.048138][  T936] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  109.048669][  T936] RBP: ffffc900019c7168 R08: 0000000000000000 R09: 0000000000000000
[  109.049167][  T936] R10: ffffc900019c7198 R11: ffffffff9a8a8918 R12: 1ffff92000338e14
[  109.049666][  T936] R13: 00000000000005dc R14: ffffc900019c7198 R15: ffff888004dd2f08
[  109.050148][  T936] FS:  00007f8ffc4e6800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  109.050720][  T936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.051132][  T936] CR2: 00000000004a1738 CR3: 000000000f461003 CR4: 0000000000772ef0
[  109.051630][  T936] PKRU: 55555554
[  109.051887][  T936] Call Trace:
[  109.052135][  T936]  <TASK>
[ 109.052314][ T936] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.052662][ T936] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.052992][ T936] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.053406][ T936] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.053749][ T936] netif_set_mtu (net/core/dev.c:9652) 
[ 109.054116][ T936] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.054455][ T936] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.054918][ T936] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.055189][ T936] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.055636][ T936] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.056018][ T936] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 109.056353][ T936] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.056695][ T936] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.057029][ T936] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.057353][ T936] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.057702][ T936] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.058033][ T936] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.058370][ T936] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.058721][ T936] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.059061][ T936] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.059411][ T936] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.059771][ T936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.060117][ T936] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.060442][ T936] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.060788][ T936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.061119][ T936] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.061447][ T936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.061789][ T936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.062123][ T936] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.062452][ T936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.062785][ T936] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.063122][ T936] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.063450][ T936] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 109.063786][ T936] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 109.064118][ T936] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.064448][ T936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.064788][ T936] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.065125][ T936] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.065459][ T936] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.065805][ T936] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.066138][ T936] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.066464][ T936] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.066882][ T936] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.067216][ T936] ___sys_sendmsg (net/socket.c:2670) 
[ 109.067546][ T936] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.067885][ T936] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.068216][ T936] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.068555][ T936] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.068901][ T936] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.069234][ T936] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.069561][ T936] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.069914][ T936] __sys_sendmsg (net/socket.c:2700) 
[ 109.070251][ T936] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.070587][ T936] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 109.070936][ T936] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 109.071269][ T936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.071615][ T936] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.071944][ T936] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.072354][  T936] RIP: 0033:0x7f8ffc6b31e7
[ 109.072703][ T936] Code: Unable to access opcode bytes at 0x7f8ffc6b31bd.

Code starting with the faulting instruction
===========================================
[  109.073122][  T936] RSP: 002b:00007ffc7ac32f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.073622][  T936] RAX: ffffffffffffffda RBX: 00007ffc7ac33670 RCX: 00007f8ffc6b31e7
[  109.074106][  T936] RDX: 0000000000000000 RSI: 00007ffc7ac32fb0 RDI: 0000000000000005
[  109.074608][  T936] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.075095][  T936] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc7ac336a8
[  109.075591][  T936] R13: 00000000686e5e32 R14: 0000000000499600 R15: 0000000000000000
| [  109.237979][  T939] ------------[ cut here ]------------
| [ 109.238309][ T939] WARNING: CPU: 0 PID: 939 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  109.239168][  T939] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.240522][  T939] Tainted: [W]=WARN
[  109.240940][  T939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.241351][ T939] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 109.241848][ T939] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  109.243046][  T939] RSP: 0018:ffffc900019c7080 EFLAGS: 00010246
[  109.243461][  T939] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  109.243960][  T939] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  109.244451][  T939] RBP: ffffc900019c7168 R08: 0000000000000000 R09: 0000000000000000
[  109.244947][  T939] R10: ffffc900019c7198 R11: ffffffff9a8a8918 R12: 1ffff92000338e14
[  109.245444][  T939] R13: 00000000000005dc R14: ffffc900019c7198 R15: ffff888004dd2f08
[  109.245940][  T939] FS:  00007fec8535a800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  109.246512][  T939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.246934][  T939] CR2: 00000000004a1738 CR3: 000000000c3e4001 CR4: 0000000000772ef0
[  109.247433][  T939] PKRU: 55555554
[  109.247685][  T939] Call Trace:
[  109.247929][  T939]  <TASK>
[ 109.248098][ T939] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.248453][ T939] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.248807][ T939] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.249220][ T939] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.249559][ T939] netif_set_mtu (net/core/dev.c:9652) 
[ 109.249897][ T939] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.250238][ T939] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.250698][ T939] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.250947][ T939] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.251382][ T939] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.251758][ T939] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 109.252093][ T939] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.252420][ T939] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.252760][ T939] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.253082][ T939] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.253408][ T939] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.253744][ T939] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.254078][ T939] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.254403][ T939] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.254743][ T939] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.255082][ T939] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.255410][ T939] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.255758][ T939] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.256102][ T939] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.256434][ T939] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.256773][ T939] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.257103][ T939] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.257437][ T939] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.257779][ T939] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.258105][ T939] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.258445][ T939] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.258795][ T939] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.259123][ T939] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 109.259481][ T939] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 109.259825][ T939] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.260152][ T939] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.260486][ T939] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.260828][ T939] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.261167][ T939] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.261512][ T939] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.261859][ T939] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.262198][ T939] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.262622][ T939] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.262958][ T939] ___sys_sendmsg (net/socket.c:2670) 
[ 109.263289][ T939] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.263624][ T939] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.263960][ T939] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.264286][ T939] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.264628][ T939] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.264960][ T939] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.265295][ T939] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.265675][ T939] __sys_sendmsg (net/socket.c:2700) 
[ 109.266012][ T939] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.266340][ T939] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 109.266684][ T939] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 109.267045][ T939] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.267376][ T939] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.267714][ T939] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.268123][  T939] RIP: 0033:0x7fec855271e7
[ 109.268467][ T939] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  109.269695][  T939] RSP: 002b:00007ffdd74a5d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.270193][  T939] RAX: ffffffffffffffda RBX: 00007ffdd74a6480 RCX: 00007fec855271e7
[  109.270696][  T939] RDX: 0000000000000000 RSI: 00007ffdd74a5dc0 RDI: 0000000000000005
[  109.271472][  T939] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.271970][  T939] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdd74a64b8
[  109.272709][  T939] R13: 00000000686e5e33 R14: 0000000000499600 R15: 0000000000000000
| [  109.452047][  T941] ------------[ cut here ]------------
| [ 109.452375][ T941] WARNING: CPU: 0 PID: 941 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  109.453041][  T941] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.454342][  T941] Tainted: [W]=WARN
[  109.454592][  T941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.455016][ T941] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 109.455344][ T941] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  109.456527][  T941] RSP: 0018:ffffc900005d7080 EFLAGS: 00010246
[  109.456950][  T941] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  109.457446][  T941] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  109.458043][  T941] RBP: ffffc900005d7168 R08: 0000000000000000 R09: 0000000000000000
[  109.458639][  T941] R10: ffffc900005d7198 R11: ffffffff9a8a8918 R12: 1ffff920000bae14
[  109.459254][  T941] R13: 00000000000005dc R14: ffffc900005d7198 R15: ffff888004dd2f08
[  109.459805][  T941] FS:  00007ff73e941800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  109.460505][  T941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.460922][  T941] CR2: 00000000004a1738 CR3: 000000000c39f006 CR4: 0000000000772ef0
[  109.461522][  T941] PKRU: 55555554
[  109.461788][  T941] Call Trace:
[  109.462089][  T941]  <TASK>
[ 109.462260][ T941] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.462662][ T941] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.463071][ T941] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.463492][ T941] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.463838][ T941] netif_set_mtu (net/core/dev.c:9652) 
[ 109.464281][ T941] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.464644][ T941] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.465112][ T941] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.465354][ T941] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.465813][ T941] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.466197][ T941] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 109.466624][ T941] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.467016][ T941] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.467371][ T941] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.467708][ T941] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.468126][ T941] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.468492][ T941] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.468871][ T941] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.469336][ T941] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.469741][ T941] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.470103][ T941] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.470504][ T941] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.470877][ T941] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.471218][ T941] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.471544][ T941] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.471978][ T941] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.472310][ T941] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.472648][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.472996][ T941] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.473325][ T941] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.473673][ T941] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.474033][ T941] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.474366][ T941] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 109.474709][ T941] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 109.475059][ T941] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.475387][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.475737][ T941] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.476129][ T941] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.476474][ T941] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.476829][ T941] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.477176][ T941] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.477511][ T941] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.477947][ T941] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.478285][ T941] ___sys_sendmsg (net/socket.c:2670) 
[ 109.478640][ T941] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.478985][ T941] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.479323][ T941] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.479662][ T941] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.480009][ T941] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.480339][ T941] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.480746][ T941] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.481120][ T941] __sys_sendmsg (net/socket.c:2700) 
[ 109.481534][ T941] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.481955][ T941] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 109.482364][ T941] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 109.482736][ T941] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.483164][ T941] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.483500][ T941] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.483936][  T941] RIP: 0033:0x7ff73eb0e1e7
[ 109.484436][ T941] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  109.485788][  T941] RSP: 002b:00007ffe56065c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.486487][  T941] RAX: ffffffffffffffda RBX: 00007ffe560663b0 RCX: 00007ff73eb0e1e7
[  109.487131][  T941] RDX: 0000000000000000 RSI: 00007ffe56065cf0 RDI: 0000000000000005
[  109.487831][  T941] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.488378][  T941] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe560663e8
[  109.489056][  T941] R13: 00000000686e5e33 R14: 0000000000499600 R15: 0000000000000000
| [  109.657534][  T943] ------------[ cut here ]------------
| [ 109.657935][ T943] WARNING: CPU: 0 PID: 943 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  109.658773][  T943] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.660151][  T943] Tainted: [W]=WARN
[  109.660433][  T943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.660894][ T943] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 109.661277][ T943] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  109.662762][  T943] RSP: 0018:ffffc900005c7080 EFLAGS: 00010246
[  109.663256][  T943] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  109.663815][  T943] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  109.664371][  T943] RBP: ffffc900005c7168 R08: 0000000000000000 R09: 0000000000000000
[  109.664910][  T943] R10: ffffc900005c7198 R11: ffffffff9a8a8918 R12: 1ffff920000b8e14
[  109.665448][  T943] R13: 00000000000005dc R14: ffffc900005c7198 R15: ffff888004dd2f08
[  109.665949][  T943] FS:  00007fb193248800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  109.666551][  T943] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.667031][  T943] CR2: 00007f094bc98270 CR3: 000000000bf8c005 CR4: 0000000000772ef0
[  109.667599][  T943] PKRU: 55555554
[  109.667879][  T943] Call Trace:
[  109.668165][  T943]  <TASK>
[ 109.668349][ T943] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.668744][ T943] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.669116][ T943] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.669597][ T943] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.669980][ T943] netif_set_mtu (net/core/dev.c:9652) 
[ 109.670464][ T943] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.670874][ T943] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.671375][ T943] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.671656][ T943] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.672119][ T943] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.672655][ T943] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 109.673098][ T943] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.673491][ T943] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.673864][ T943] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.674182][ T943] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.674498][ T943] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.674823][ T943] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.675201][ T943] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.675564][ T943] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.675976][ T943] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.676351][ T943] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.676713][ T943] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.677097][ T943] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.677443][ T943] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.677811][ T943] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.678164][ T943] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.678518][ T943] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.678939][ T943] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.679304][ T943] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.679695][ T943] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.680062][ T943] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.680449][ T943] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.680818][ T943] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 109.681183][ T943] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 109.681583][ T943] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.681959][ T943] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.682330][ T943] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.682722][ T943] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.683089][ T943] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.683439][ T943] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.683815][ T943] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.684135][ T943] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.684734][ T943] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.685159][ T943] ___sys_sendmsg (net/socket.c:2670) 
[ 109.685590][ T943] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.685971][ T943] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.686306][ T943] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.686638][ T943] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.686973][ T943] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.687295][ T943] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.687623][ T943] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.687991][ T943] __sys_sendmsg (net/socket.c:2700) 
[ 109.688376][ T943] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.688760][ T943] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 109.689165][ T943] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 109.689507][ T943] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.689885][ T943] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.690243][ T943] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.690679][  T943] RIP: 0033:0x7fb1934151e7
[ 109.691018][ T943] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  109.692251][  T943] RSP: 002b:00007ffe3d921838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.692833][  T943] RAX: ffffffffffffffda RBX: 00007ffe3d921f60 RCX: 00007fb1934151e7
[  109.693381][  T943] RDX: 0000000000000000 RSI: 00007ffe3d9218a0 RDI: 0000000000000005
[  109.693931][  T943] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.694480][  T943] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe3d921f98
[  109.695044][  T943] R13: 00000000686e5e33 R14: 0000000000499600 R15: 0000000000000000
| [  109.864019][  T945] ------------[ cut here ]------------
| [ 109.864333][ T945] WARNING: CPU: 1 PID: 945 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  109.864981][  T945] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.866264][  T945] Tainted: [W]=WARN
[  109.866502][  T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.867039][ T945] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 109.867363][ T945] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  109.868650][  T945] RSP: 0018:ffffc90000577080 EFLAGS: 00010246
[  109.869050][  T945] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  109.869515][  T945] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  109.870138][  T945] RBP: ffffc90000577168 R08: 0000000000000000 R09: 0000000000000000
[  109.870630][  T945] R10: ffffc90000577198 R11: ffffffff9a8a8918 R12: 1ffff920000aee14
[  109.871101][  T945] R13: 00000000000005dc R14: ffffc90000577198 R15: ffff888004dd2f08
[  109.871577][  T945] FS:  00007f3a65996800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  109.872124][  T945] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.872514][  T945] CR2: 00000000004a1738 CR3: 000000000bf1f001 CR4: 0000000000772ef0
[  109.872995][  T945] PKRU: 55555554
[  109.873231][  T945] Call Trace:
[  109.873465][  T945]  <TASK>
[ 109.873637][ T945] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.873960][ T945] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.874276][ T945] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.874681][ T945] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.874997][ T945] netif_set_mtu (net/core/dev.c:9652) 
[ 109.875312][ T945] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.875644][ T945] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.876075][ T945] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.876313][ T945] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.876744][ T945] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.877096][ T945] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 109.877409][ T945] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.877735][ T945] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.878052][ T945] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.878365][ T945] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.878702][ T945] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.879014][ T945] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.879333][ T945] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.879650][ T945] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.879968][ T945] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.880291][ T945] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.880617][ T945] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.880946][ T945] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.881255][ T945] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.881589][ T945] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.881906][ T945] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.882219][ T945] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.882536][ T945] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.882865][ T945] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.883183][ T945] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.883496][ T945] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.883830][ T945] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.884143][ T945] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 109.884456][ T945] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 109.884781][ T945] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.885094][ T945] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.885419][ T945] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.885752][ T945] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.886076][ T945] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.886396][ T945] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.886720][ T945] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.887033][ T945] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.887421][ T945] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.887748][ T945] ___sys_sendmsg (net/socket.c:2670) 
[ 109.888063][ T945] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.888381][ T945] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.888712][ T945] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.889024][ T945] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.889339][ T945] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.889663][ T945] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.889972][ T945] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.890304][ T945] __sys_sendmsg (net/socket.c:2700) 
[ 109.890624][ T945] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.890935][ T945] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 109.891255][ T945] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 109.891580][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.891895][ T945] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.892210][ T945] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.892616][  T945] RIP: 0033:0x7f3a65b631e7
[ 109.892940][ T945] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  109.894057][  T945] RSP: 002b:00007fff9194f538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.894530][  T945] RAX: ffffffffffffffda RBX: 00007fff9194fc60 RCX: 00007f3a65b631e7
[  109.895018][  T945] RDX: 0000000000000000 RSI: 00007fff9194f5a0 RDI: 0000000000000005
[  109.895482][  T945] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.895957][  T945] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff9194fc98
[  109.896426][  T945] R13: 00000000686e5e33 R14: 0000000000499600 R15: 0000000000000000
| [  110.036978][  T947] ------------[ cut here ]------------
| [ 110.037309][ T947] WARNING: CPU: 2 PID: 947 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.037985][  T947] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.039179][  T947] Tainted: [W]=WARN
[  110.039431][  T947] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.039842][ T947] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.040183][ T947] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  110.041333][  T947] RSP: 0018:ffffc90001df7080 EFLAGS: 00010246
[  110.041774][  T947] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  110.042273][  T947] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  110.042767][  T947] RBP: ffffc90001df7168 R08: 0000000000000000 R09: 0000000000000000
[  110.043258][  T947] R10: ffffc90001df7198 R11: ffffffff9a8a8918 R12: 1ffff920003bee14
[  110.043753][  T947] R13: 00000000000005dc R14: ffffc90001df7198 R15: ffff888004dd2f08
[  110.044239][  T947] FS:  00007fd023e47800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  110.044811][  T947] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.045226][  T947] CR2: 00000000004a1738 CR3: 0000000009125001 CR4: 0000000000772ef0
[  110.045726][  T947] PKRU: 55555554
[  110.045974][  T947] Call Trace:
[  110.046228][  T947]  <TASK>
[ 110.046406][ T947] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.046750][ T947] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.047083][ T947] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.047495][ T947] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.047837][ T947] netif_set_mtu (net/core/dev.c:9652) 
[ 110.048167][ T947] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.048523][ T947] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.048992][ T947] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.049250][ T947] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.049701][ T947] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.050076][ T947] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 110.050435][ T947] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.050785][ T947] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.051118][ T947] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.051442][ T947] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.051783][ T947] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.052114][ T947] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.052446][ T947] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.052774][ T947] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.053111][ T947] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.053449][ T947] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.053789][ T947] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.054135][ T947] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.054464][ T947] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.054802][ T947] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.055130][ T947] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.055461][ T947] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.055805][ T947] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.056146][ T947] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.056476][ T947] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.056812][ T947] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.057151][ T947] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.057478][ T947] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.057817][ T947] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 110.058151][ T947] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.058500][ T947] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.058861][ T947] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.059194][ T947] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.059525][ T947] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.059876][ T947] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.060210][ T947] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.060544][ T947] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.060964][ T947] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.061304][ T947] ___sys_sendmsg (net/socket.c:2670) 
[ 110.061642][ T947] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.061996][ T947] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.062331][ T947] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.062663][ T947] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.063003][ T947] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.063331][ T947] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.063666][ T947] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.064008][ T947] __sys_sendmsg (net/socket.c:2700) 
[ 110.064336][ T947] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.064671][ T947] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 110.065014][ T947] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 110.065347][ T947] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.065683][ T947] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.066014][ T947] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.066423][  T947] RIP: 0033:0x7fd0240141e7
[ 110.066779][ T947] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.067929][  T947] RSP: 002b:00007fffe7529048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.068428][  T947] RAX: ffffffffffffffda RBX: 00007fffe7529770 RCX: 00007fd0240141e7
[  110.068934][  T947] RDX: 0000000000000000 RSI: 00007fffe75290b0 RDI: 0000000000000005
[  110.069425][  T947] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.069917][  T947] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe75297a8
[  110.070402][  T947] R13: 00000000686e5e33 R14: 0000000000499600 R15: 0000000000000000
| [  110.271897][  T950] ------------[ cut here ]------------
| [ 110.272215][ T950] WARNING: CPU: 3 PID: 950 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.272873][  T950] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.274355][  T950] Tainted: [W]=WARN
[  110.274615][  T950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.275014][ T950] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.275345][ T950] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  110.276562][  T950] RSP: 0018:ffffc90001ce7080 EFLAGS: 00010246
[  110.276991][  T950] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  110.277482][  T950] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  110.277968][  T950] RBP: ffffc90001ce7168 R08: 0000000000000000 R09: 0000000000000000
[  110.278471][  T950] R10: ffffc90001ce7198 R11: ffffffff9a8a8918 R12: 1ffff9200039ce14
[  110.278981][  T950] R13: 00000000000005dc R14: ffffc90001ce7198 R15: ffff888004dd2f08
[  110.279516][  T950] FS:  00007ff4eb986800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  110.280105][  T950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.280513][  T950] CR2: 00007efe47fbca00 CR3: 00000000095c1001 CR4: 0000000000772ef0
[  110.281013][  T950] PKRU: 55555554
[  110.281262][  T950] Call Trace:
[  110.281528][  T950]  <TASK>
[ 110.281709][ T950] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.282045][ T950] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.282381][ T950] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.282790][ T950] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.283120][ T950] netif_set_mtu (net/core/dev.c:9652) 
[ 110.283443][ T950] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.283788][ T950] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.284238][ T950] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.284479][ T950] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.284937][ T950] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.285306][ T950] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 110.285641][ T950] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.285981][ T950] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.286312][ T950] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.286645][ T950] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.286976][ T950] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.287315][ T950] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.287682][ T950] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.288015][ T950] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.288350][ T950] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.288717][ T950] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.289050][ T950] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.289396][ T950] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.289732][ T950] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.290076][ T950] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.290418][ T950] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.290779][ T950] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.291144][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.291470][ T950] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.291815][ T950] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.292132][ T950] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.292463][ T950] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.292792][ T950] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.293133][ T950] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 110.293462][ T950] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.293795][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.294119][ T950] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.294446][ T950] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.294778][ T950] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.295105][ T950] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.295426][ T950] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.295753][ T950] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.296159][ T950] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.296484][ T950] ___sys_sendmsg (net/socket.c:2670) 
[ 110.296820][ T950] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.297137][ T950] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.297457][ T950] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.297785][ T950] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.298117][ T950] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.298469][ T950] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.298799][ T950] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.299135][ T950] __sys_sendmsg (net/socket.c:2700) 
[ 110.299455][ T950] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.299776][ T950] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 110.300101][ T950] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 110.300426][ T950] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.300780][ T950] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.301104][ T950] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.301498][  T950] RIP: 0033:0x7ff4ebb531e7
[ 110.301837][ T950] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.302988][  T950] RSP: 002b:00007ffe757787f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.303472][  T950] RAX: ffffffffffffffda RBX: 00007ffe75778f20 RCX: 00007ff4ebb531e7
[  110.303957][  T950] RDX: 0000000000000000 RSI: 00007ffe75778860 RDI: 0000000000000005
[  110.304433][  T950] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.304925][  T950] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe75778f58
[  110.305403][  T950] R13: 00000000686e5e34 R14: 0000000000499600 R15: 0000000000000000
| [  110.515503][  T952] ------------[ cut here ]------------
| [ 110.516101][ T952] WARNING: CPU: 0 PID: 952 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.517232][  T952] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.519345][  T952] Tainted: [W]=WARN
[  110.519803][  T952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.520535][ T952] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.521148][ T952] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  110.523251][  T952] RSP: 0018:ffffc900005f7080 EFLAGS: 00010246
[  110.524008][  T952] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  110.524899][  T952] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  110.525797][  T952] RBP: ffffc900005f7168 R08: 0000000000000000 R09: 0000000000000000
[  110.526682][  T952] R10: ffffc900005f7198 R11: ffffffff9a8a8918 R12: 1ffff920000bee14
[  110.527534][  T952] R13: 00000000000005dc R14: ffffc900005f7198 R15: ffff888004dd2f08
[  110.528404][  T952] FS:  00007f06457a3800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  110.529453][  T952] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.530180][  T952] CR2: 00000000004a1738 CR3: 000000000bf1f006 CR4: 0000000000772ef0
[  110.531053][  T952] PKRU: 55555554
[  110.531452][  T952] Call Trace:
[  110.531743][  T952]  <TASK>
[ 110.532050][ T952] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.532554][ T952] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.533149][ T952] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.533881][ T952] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.534473][ T952] netif_set_mtu (net/core/dev.c:9652) 
[ 110.535074][ T952] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.535696][ T952] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.536488][ T952] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.536954][ T952] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.537762][ T952] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.538445][ T952] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 110.539064][ T952] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.539679][ T952] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.540279][ T952] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.540870][ T952] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.541447][ T952] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.542046][ T952] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.542665][ T952] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.543225][ T952] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.543824][ T952] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.544428][ T952] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.545013][ T952] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.545364][ T952] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.545696][ T952] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.546033][ T952] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.546379][ T952] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.546747][ T952] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.547084][ T952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.547438][ T952] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.547781][ T952] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.548113][ T952] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.548691][ T952] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.549083][ T952] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.549434][ T952] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 110.549777][ T952] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.550107][ T952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.550472][ T952] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.550822][ T952] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.551158][ T952] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.551497][ T952] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.551887][ T952] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.552260][ T952] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.552712][ T952] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.553074][ T952] ___sys_sendmsg (net/socket.c:2670) 
[ 110.553429][ T952] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.553793][ T952] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.554152][ T952] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.554511][ T952] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.554878][ T952] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.555235][ T952] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.555595][ T952] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.555969][ T952] __sys_sendmsg (net/socket.c:2700) 
[ 110.556322][ T952] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.556685][ T952] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 110.557056][ T952] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 110.557416][ T952] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.557782][ T952] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.558142][ T952] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.558608][  T952] RIP: 0033:0x7f06459701e7
[ 110.558982][ T952] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.560274][  T952] RSP: 002b:00007ffc8abdca48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.560828][  T952] RAX: ffffffffffffffda RBX: 00007ffc8abdd170 RCX: 00007f06459701e7
[  110.561377][  T952] RDX: 0000000000000000 RSI: 00007ffc8abdcab0 RDI: 0000000000000005
[  110.561942][  T952] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.562482][  T952] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8abdd1a8
[  110.563026][  T952] R13: 00000000686e5e34 R14: 0000000000499600 R15: 0000000000000000
| [  110.708169][  T953] ------------[ cut here ]------------
| [ 110.708501][ T953] WARNING: CPU: 3 PID: 953 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.709193][  T953] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.710337][  T953] Tainted: [W]=WARN
[  110.710592][  T953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.710992][ T953] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.711319][ T953] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  110.712472][  T953] RSP: 0000:ffffc900005c7080 EFLAGS: 00010246
[  110.712901][  T953] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  110.713374][  T953] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  110.713879][  T953] RBP: ffffc900005c7168 R08: 0000000000000000 R09: 0000000000000000
[  110.714365][  T953] R10: ffffc900005c7198 R11: ffffffff9a8a8918 R12: 1ffff920000b8e14
[  110.714858][  T953] R13: 00000000000005dc R14: ffffc900005c7198 R15: ffff888004dd2f08
[  110.715330][  T953] FS:  00007f99305f2800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  110.715916][  T953] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.716317][  T953] CR2: 00007efe481921e4 CR3: 0000000004d29005 CR4: 0000000000772ef0
[  110.716810][  T953] PKRU: 55555554
[  110.717049][  T953] Call Trace:
[  110.717284][  T953]  <TASK>
[ 110.717452][ T953] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.717787][ T953] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.718109][ T953] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.718511][ T953] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.718839][ T953] netif_set_mtu (net/core/dev.c:9652) 
[ 110.719158][ T953] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.719482][ T953] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.719930][ T953] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.720170][ T953] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.720617][ T953] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.720977][ T953] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 110.721304][ T953] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.721631][ T953] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.721955][ T953] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.722267][ T953] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.722590][ T953] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.722917][ T953] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.723239][ T953] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.723545][ T953] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.723885][ T953] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.724210][ T953] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.724530][ T953] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.724870][ T953] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.725184][ T953] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.725498][ T953] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.725820][ T953] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.726147][ T953] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.726463][ T953] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.726799][ T953] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.727118][ T953] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.727435][ T953] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.727770][ T953] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.728086][ T953] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.728406][ T953] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 110.728784][ T953] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.729100][ T953] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.729416][ T953] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.729741][ T953] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.730061][ T953] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.730393][ T953] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.730734][ T953] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.731051][ T953] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.731450][ T953] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.731778][ T953] ___sys_sendmsg (net/socket.c:2670) 
[ 110.732097][ T953] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.732410][ T953] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.732733][ T953] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.733052][ T953] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.733370][ T953] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.733690][ T953] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.734004][ T953] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.734337][ T953] __sys_sendmsg (net/socket.c:2700) 
[ 110.734677][ T953] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.734992][ T953] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 110.735322][ T953] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 110.735651][ T953] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.735970][ T953] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.736292][ T953] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.736695][  T953] RIP: 0033:0x7f99307bf1e7
[ 110.737017][ T953] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.738152][  T953] RSP: 002b:00007fff742e83c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.738662][  T953] RAX: ffffffffffffffda RBX: 00007fff742e8af0 RCX: 00007f99307bf1e7
[  110.739165][  T953] RDX: 0000000000000000 RSI: 00007fff742e8430 RDI: 0000000000000005
[  110.739655][  T953] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.740153][  T953] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff742e8b28
[  110.740640][  T953] R13: 00000000686e5e34 R14: 0000000000499600 R15: 0000000000000000
| [  110.913017][  T955] ------------[ cut here ]------------
| [ 110.913370][ T955] WARNING: CPU: 0 PID: 955 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.914143][  T955] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.915400][  T955] Tainted: [W]=WARN
[  110.915658][  T955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.916151][ T955] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.916482][ T955] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  110.917811][  T955] RSP: 0018:ffffc900005f7080 EFLAGS: 00010246
[  110.918327][  T955] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  110.918977][  T955] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  110.919616][  T955] RBP: ffffc900005f7168 R08: 0000000000000000 R09: 0000000000000000
[  110.920194][  T955] R10: ffffc900005f7198 R11: ffffffff9a8a8918 R12: 1ffff920000bee14
[  110.920724][  T955] R13: 00000000000005dc R14: ffffc900005f7198 R15: ffff888004dd2f08
[  110.921304][  T955] FS:  00007f6f22546800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  110.921869][  T955] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.922433][  T955] CR2: 00007efe48212c94 CR3: 000000000f55f006 CR4: 0000000000772ef0
[  110.922944][  T955] PKRU: 55555554
[  110.923275][  T955] Call Trace:
[  110.923552][  T955]  <TASK>
[ 110.923788][ T955] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.924209][ T955] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.924614][ T955] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.925197][ T955] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.925595][ T955] netif_set_mtu (net/core/dev.c:9652) 
[ 110.926031][ T955] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.926368][ T955] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.926824][ T955] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.927107][ T955] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.927692][ T955] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.928155][ T955] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 110.928561][ T955] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.929045][ T955] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.929463][ T955] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.929789][ T955] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.930175][ T955] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.930557][ T955] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.930938][ T955] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.931307][ T955] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.931641][ T955] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.932001][ T955] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.932430][ T955] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.932862][ T955] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.933320][ T955] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.933712][ T955] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.934095][ T955] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.934414][ T955] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.934831][ T955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.935178][ T955] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.935498][ T955] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.935919][ T955] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.936343][ T955] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.936745][ T955] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.937231][ T955] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 110.937555][ T955] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.937885][ T955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.938272][ T955] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.938617][ T955] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.938981][ T955] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.939355][ T955] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.939684][ T955] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.940039][ T955] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.940470][ T955] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.940952][ T955] ___sys_sendmsg (net/socket.c:2670) 
[ 110.941419][ T955] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.941753][ T955] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.942179][ T955] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.942545][ T955] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.942964][ T955] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.943362][ T955] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.943747][ T955] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.944118][ T955] __sys_sendmsg (net/socket.c:2700) 
[ 110.944527][ T955] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.944868][ T955] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 110.945284][ T955] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 110.945619][ T955] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.945958][ T955] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.946382][ T955] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.946879][  T955] RIP: 0033:0x7f6f227131e7
[ 110.947261][ T955] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.948471][  T955] RSP: 002b:00007ffc824e5f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.948996][  T955] RAX: ffffffffffffffda RBX: 00007ffc824e6630 RCX: 00007f6f227131e7
[  110.949584][  T955] RDX: 0000000000000000 RSI: 00007ffc824e5f70 RDI: 0000000000000005
[  110.950077][  T955] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.950551][  T955] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc824e6668
[  110.951053][  T955] R13: 00000000686e5e34 R14: 0000000000499600 R15: 0000000000000000
| [  111.122514][  T957] ------------[ cut here ]------------
| [ 111.123770][ T957] WARNING: CPU: 2 PID: 957 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.124463][  T957] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.125655][  T957] Tainted: [W]=WARN
[  111.125922][  T957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.126351][ T957] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.126931][ T957] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.128221][  T957] RSP: 0018:ffffc90000617080 EFLAGS: 00010246
[  111.128686][  T957] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  111.129180][  T957] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  111.129680][  T957] RBP: ffffc90000617168 R08: 0000000000000000 R09: 0000000000000000
[  111.130176][  T957] R10: ffffc90000617198 R11: ffffffff9a8a8918 R12: 1ffff920000c2e14
[  111.130677][  T957] R13: 00000000000005dc R14: ffffc90000617198 R15: ffff888004dd2f08
[  111.131212][  T957] FS:  00007f0d52fd7800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  111.131801][  T957] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.132249][  T957] CR2: 00000000004a1738 CR3: 000000000a3e3002 CR4: 0000000000772ef0
[  111.132783][  T957] PKRU: 55555554
[  111.133045][  T957] Call Trace:
[  111.133312][  T957]  <TASK>
[ 111.133508][ T957] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.133887][ T957] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.134228][ T957] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.134674][ T957] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.135035][ T957] netif_set_mtu (net/core/dev.c:9652) 
[ 111.135397][ T957] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.135768][ T957] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.136222][ T957] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.136482][ T957] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.136930][ T957] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.137312][ T957] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 111.137654][ T957] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.137994][ T957] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.138336][ T957] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.138698][ T957] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.139038][ T957] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.139379][ T957] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.139728][ T957] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.140071][ T957] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.140451][ T957] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.140819][ T957] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.141157][ T957] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.141510][ T957] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.141863][ T957] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.142211][ T957] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.142594][ T957] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.142946][ T957] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.143331][ T957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.143694][ T957] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.144048][ T957] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.144390][ T957] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.144749][ T957] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.145093][ T957] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.145441][ T957] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 111.145794][ T957] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.146120][ T957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.146456][ T957] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.146799][ T957] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.147137][ T957] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.147497][ T957] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.147847][ T957] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.148189][ T957] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.148631][ T957] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.148980][ T957] ___sys_sendmsg (net/socket.c:2670) 
[ 111.149323][ T957] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.149677][ T957] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.150052][ T957] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.150409][ T957] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.150763][ T957] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.151100][ T957] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.151489][ T957] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.151856][ T957] __sys_sendmsg (net/socket.c:2700) 
[ 111.152220][ T957] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.152563][ T957] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 111.152926][ T957] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 111.153259][ T957] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.153617][ T957] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.153949][ T957] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.154364][  T957] RIP: 0033:0x7f0d531a41e7
[ 111.154724][ T957] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.155907][  T957] RSP: 002b:00007ffd386f35d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.156408][  T957] RAX: ffffffffffffffda RBX: 00007ffd386f3d00 RCX: 00007f0d531a41e7
[  111.156905][  T957] RDX: 0000000000000000 RSI: 00007ffd386f3640 RDI: 0000000000000005
[  111.157430][  T957] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.157947][  T957] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd386f3d38
[  111.158485][  T957] R13: 00000000686e5e34 R14: 0000000000499600 R15: 0000000000000000
| [  111.342494][  T959] ------------[ cut here ]------------
| [ 111.342916][ T959] WARNING: CPU: 1 PID: 959 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.343577][  T959] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.344831][  T959] Tainted: [W]=WARN
[  111.345095][  T959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.345515][ T959] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.345879][ T959] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.347094][  T959] RSP: 0018:ffffc900006e7080 EFLAGS: 00010246
[  111.347519][  T959] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  111.348025][  T959] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  111.348523][  T959] RBP: ffffc900006e7168 R08: 0000000000000000 R09: 0000000000000000
[  111.349019][  T959] R10: ffffc900006e7198 R11: ffffffff9a8a8918 R12: 1ffff920000dce14
[  111.349542][  T959] R13: 00000000000005dc R14: ffffc900006e7198 R15: ffff888004dd2f08
[  111.350139][  T959] FS:  00007f84ca023800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  111.350797][  T959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.351313][  T959] CR2: 00007f84ca040ff0 CR3: 000000000b96e006 CR4: 0000000000772ef0
[  111.351828][  T959] PKRU: 55555554
[  111.352072][  T959] Call Trace:
[  111.352314][  T959]  <TASK>
[ 111.352481][ T959] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.352851][ T959] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.353187][ T959] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.353601][ T959] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.353954][ T959] netif_set_mtu (net/core/dev.c:9652) 
[ 111.354278][ T959] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.354636][ T959] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.355101][ T959] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.355358][ T959] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.355820][ T959] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.356185][ T959] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 111.356510][ T959] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.356861][ T959] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.357202][ T959] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.357528][ T959] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.357867][ T959] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.358205][ T959] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.358546][ T959] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.358882][ T959] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.359218][ T959] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.359556][ T959] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.359903][ T959] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.360293][ T959] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.360635][ T959] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.360997][ T959] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.361317][ T959] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.361645][ T959] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.361973][ T959] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.362298][ T959] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.362624][ T959] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.362960][ T959] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.363294][ T959] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.363625][ T959] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.363954][ T959] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 111.364278][ T959] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.364610][ T959] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.364985][ T959] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.365313][ T959] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.365644][ T959] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.365976][ T959] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.366299][ T959] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.366650][ T959] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.367053][ T959] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.367380][ T959] ___sys_sendmsg (net/socket.c:2670) 
[ 111.367738][ T959] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.368054][ T959] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.368377][ T959] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.368726][ T959] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.369062][ T959] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.369387][ T959] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.369723][ T959] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.370067][ T959] __sys_sendmsg (net/socket.c:2700) 
[ 111.370392][ T959] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.370728][ T959] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 111.371053][ T959] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 111.371370][ T959] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.371696][ T959] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.372038][ T959] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.372432][  T959] RIP: 0033:0x7f84ca1f01e7
[ 111.372781][ T959] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.373928][  T959] RSP: 002b:00007ffe0b8ebeb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.374425][  T959] RAX: ffffffffffffffda RBX: 00007ffe0b8ec5e0 RCX: 00007f84ca1f01e7
[  111.374907][  T959] RDX: 0000000000000000 RSI: 00007ffe0b8ebf20 RDI: 0000000000000005
[  111.375393][  T959] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.375905][  T959] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe0b8ec618
[  111.376397][  T959] R13: 00000000686e5e35 R14: 0000000000499600 R15: 0000000000000000
| [  111.569210][  T962] ------------[ cut here ]------------
| [ 111.569617][ T962] WARNING: CPU: 2 PID: 962 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.570307][  T962] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.571581][  T962] Tainted: [W]=WARN
[  111.571848][  T962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.572280][ T962] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.572645][ T962] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.573870][  T962] RSP: 0018:ffffc900005f7080 EFLAGS: 00010246
[  111.574291][  T962] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  111.574792][  T962] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  111.575282][  T962] RBP: ffffc900005f7168 R08: 0000000000000000 R09: 0000000000000000
[  111.575834][  T962] R10: ffffc900005f7198 R11: ffffffff9a8a8918 R12: 1ffff920000bee14
[  111.576331][  T962] R13: 00000000000005dc R14: ffffc900005f7198 R15: ffff888004dd2f08
[  111.576835][  T962] FS:  00007f9bba175800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  111.577412][  T962] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.577847][  T962] CR2: 00000000004a1738 CR3: 0000000004ff5004 CR4: 0000000000772ef0
[  111.578344][  T962] PKRU: 55555554
[  111.578627][  T962] Call Trace:
[  111.578884][  T962]  <TASK>
[ 111.579070][ T962] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.579437][ T962] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.579789][ T962] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.580206][ T962] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.580554][ T962] netif_set_mtu (net/core/dev.c:9652) 
[ 111.580916][ T962] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.581287][ T962] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.581770][ T962] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.582040][ T962] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.582503][ T962] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.582903][ T962] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 111.583250][ T962] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.583646][ T962] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.584002][ T962] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.584349][ T962] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.584707][ T962] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.585056][ T962] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.585409][ T962] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.585748][ T962] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.586087][ T962] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.586429][ T962] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.586771][ T962] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.587121][ T962] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.587482][ T962] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.587831][ T962] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.588166][ T962] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.588520][ T962] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.588878][ T962] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.589216][ T962] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.589548][ T962] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.589884][ T962] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.590232][ T962] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.590559][ T962] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.590901][ T962] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 111.591240][ T962] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.591672][ T962] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.592027][ T962] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.592378][ T962] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.592739][ T962] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.593103][ T962] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.593481][ T962] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.593821][ T962] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.594239][ T962] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.594588][ T962] ___sys_sendmsg (net/socket.c:2670) 
[ 111.594924][ T962] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.595256][ T962] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.595630][ T962] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.595963][ T962] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.596310][ T962] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.596685][ T962] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.597019][ T962] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.597369][ T962] __sys_sendmsg (net/socket.c:2700) 
[ 111.597710][ T962] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.598041][ T962] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 111.598380][ T962] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 111.598738][ T962] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.599079][ T962] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.599441][ T962] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.599869][  T962] RIP: 0033:0x7f9bba3421e7
[ 111.600218][ T962] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.601398][  T962] RSP: 002b:00007ffca4f172e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.601903][  T962] RAX: ffffffffffffffda RBX: 00007ffca4f17a10 RCX: 00007f9bba3421e7
[  111.602397][  T962] RDX: 0000000000000000 RSI: 00007ffca4f17350 RDI: 0000000000000005
[  111.602897][  T962] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.603403][  T962] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca4f17a48
[  111.603930][  T962] R13: 00000000686e5e35 R14: 0000000000499600 R15: 0000000000000000
| [  111.786020][  T964] ------------[ cut here ]------------
| [ 111.786354][ T964] WARNING: CPU: 2 PID: 964 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.787061][  T964] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.788258][  T964] Tainted: [W]=WARN
[  111.788520][  T964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.788953][ T964] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.789294][ T964] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.790451][  T964] RSP: 0018:ffffc900022c7080 EFLAGS: 00010246
[  111.790880][  T964] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  111.791384][  T964] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  111.791900][  T964] RBP: ffffc900022c7168 R08: 0000000000000000 R09: 0000000000000000
[  111.792391][  T964] R10: ffffc900022c7198 R11: ffffffff9a8a8918 R12: 1ffff92000458e14
[  111.792911][  T964] R13: 00000000000005dc R14: ffffc900022c7198 R15: ffff888004dd2f08
[  111.793402][  T964] FS:  00007f822e2ba800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  111.793993][  T964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.794402][  T964] CR2: 00000000004a1738 CR3: 000000000c09e002 CR4: 0000000000772ef0
[  111.794917][  T964] PKRU: 55555554
[  111.795179][  T964] Call Trace:
[  111.795425][  T964]  <TASK>
[ 111.795609][ T964] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.795959][ T964] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.796331][ T964] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.796776][ T964] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.797120][ T964] netif_set_mtu (net/core/dev.c:9652) 
[ 111.797460][ T964] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.797809][ T964] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.798272][ T964] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.798557][ T964] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.799016][ T964] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.799401][ T964] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 111.799740][ T964] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.800072][ T964] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.800415][ T964] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.800759][ T964] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.801093][ T964] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.801430][ T964] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.801791][ T964] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.802120][ T964] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.802464][ T964] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.802818][ T964] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.803160][ T964] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.803497][ T964] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.803849][ T964] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.804192][ T964] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.804530][ T964] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.804888][ T964] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.805234][ T964] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.805582][ T964] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.805913][ T964] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.806253][ T964] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.806603][ T964] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.806934][ T964] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.807288][ T964] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 111.807651][ T964] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.807990][ T964] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.808334][ T964] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.808696][ T964] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.809036][ T964] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.809375][ T964] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.809723][ T964] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.810055][ T964] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.810471][ T964] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.810829][ T964] ___sys_sendmsg (net/socket.c:2670) 
[ 111.811193][ T964] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.811527][ T964] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.811874][ T964] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.812209][ T964] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.812547][ T964] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.812894][ T964] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.813234][ T964] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.813602][ T964] __sys_sendmsg (net/socket.c:2700) 
[ 111.813948][ T964] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.814298][ T964] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 111.814659][ T964] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 111.814995][ T964] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.815336][ T964] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.815677][ T964] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.816084][  T964] RIP: 0033:0x7f822e4871e7
[ 111.816424][ T964] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.817605][  T964] RSP: 002b:00007ffd1422deb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.818110][  T964] RAX: ffffffffffffffda RBX: 00007ffd1422e5e0 RCX: 00007f822e4871e7
[  111.818658][  T964] RDX: 0000000000000000 RSI: 00007ffd1422df20 RDI: 0000000000000005
[  111.819156][  T964] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.819654][  T964] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1422e618
[  111.820148][  T964] R13: 00000000686e5e35 R14: 0000000000499600 R15: 0000000000000000
| [  111.969444][  T966] ------------[ cut here ]------------
| [ 111.969819][ T966] WARNING: CPU: 3 PID: 966 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.970438][  T966] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.971588][  T966] Tainted: [W]=WARN
[  111.971828][  T966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.972221][ T966] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.972545][ T966] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.973674][  T966] RSP: 0018:ffffc900022c7080 EFLAGS: 00010246
[  111.974077][  T966] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  111.974546][  T966] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  111.975026][  T966] RBP: ffffc900022c7168 R08: 0000000000000000 R09: 0000000000000000
[  111.975492][  T966] R10: ffffc900022c7198 R11: ffffffff9a8a8918 R12: 1ffff92000458e14
[  111.976022][  T966] R13: 00000000000005dc R14: ffffc900022c7198 R15: ffff888004dd2f08
[  111.976531][  T966] FS:  00007fe221d3a800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  111.977116][  T966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.977536][  T966] CR2: 00007efe47fbca00 CR3: 000000000f7fd005 CR4: 0000000000772ef0
[  111.978044][  T966] PKRU: 55555554
[  111.978295][  T966] Call Trace:
[  111.978564][  T966]  <TASK>
[ 111.978749][ T966] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.979089][ T966] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.979425][ T966] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.979851][ T966] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.980199][ T966] netif_set_mtu (net/core/dev.c:9652) 
[ 111.980528][ T966] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.980884][ T966] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.981356][ T966] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.981619][ T966] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.982060][ T966] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.982435][ T966] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 111.982775][ T966] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.983110][ T966] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.983446][ T966] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.983787][ T966] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.984122][ T966] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.984456][ T966] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.984803][ T966] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.985122][ T966] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.985442][ T966] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.985774][ T966] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.986096][ T966] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.986437][ T966] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.986763][ T966] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.987082][ T966] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.987399][ T966] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.987725][ T966] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.988043][ T966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.988366][ T966] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.988712][ T966] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.989026][ T966] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.989356][ T966] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.989677][ T966] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.989992][ T966] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 111.990310][ T966] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.990635][ T966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.990961][ T966] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.991282][ T966] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.991603][ T966] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.991926][ T966] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.992244][ T966] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.992556][ T966] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.992958][ T966] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.993286][ T966] ___sys_sendmsg (net/socket.c:2670) 
[ 111.993606][ T966] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.993922][ T966] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.994236][ T966] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.994574][ T966] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.994910][ T966] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.995245][ T966] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.995583][ T966] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.995936][ T966] __sys_sendmsg (net/socket.c:2700) 
[ 111.996266][ T966] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.996603][ T966] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 111.996942][ T966] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 111.997276][ T966] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.997622][ T966] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.997958][ T966] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.998365][  T966] RIP: 0033:0x7fe221f071e7
[ 111.998728][ T966] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.999908][  T966] RSP: 002b:00007ffe11752968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.000411][  T966] RAX: ffffffffffffffda RBX: 00007ffe11753090 RCX: 00007fe221f071e7
[  112.000912][  T966] RDX: 0000000000000000 RSI: 00007ffe117529d0 RDI: 0000000000000005
[  112.001402][  T966] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.001905][  T966] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe117530c8
[  112.002405][  T966] R13: 00000000686e5e35 R14: 0000000000499600 R15: 0000000000000000
| [  112.171257][  T967] ------------[ cut here ]------------
| [ 112.171655][ T967] WARNING: CPU: 1 PID: 967 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.172304][  T967] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.173630][  T967] Tainted: [W]=WARN
[  112.173881][  T967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.174292][ T967] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.174635][ T967] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.175818][  T967] RSP: 0018:ffffc900022c7080 EFLAGS: 00010246
[  112.176231][  T967] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  112.176719][  T967] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  112.177190][  T967] RBP: ffffc900022c7168 R08: 0000000000000000 R09: 0000000000000000
[  112.177683][  T967] R10: ffffc900022c7198 R11: ffffffff9a8a8918 R12: 1ffff92000458e14
[  112.178189][  T967] R13: 00000000000005dc R14: ffffc900022c7198 R15: ffff888004dd2f08
[  112.178697][  T967] FS:  00007ff893415800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  112.179257][  T967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.179675][  T967] CR2: 00007f38baf5f400 CR3: 000000000defa005 CR4: 0000000000772ef0
[  112.180149][  T967] PKRU: 55555554
[  112.180393][  T967] Call Trace:
[  112.180640][  T967]  <TASK>
[ 112.180806][ T967] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.181128][ T967] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.181457][ T967] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.181876][ T967] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.182205][ T967] netif_set_mtu (net/core/dev.c:9652) 
[ 112.182561][ T967] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.182902][ T967] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.183344][ T967] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.183605][ T967] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.184027][ T967] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.184401][ T967] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 112.184729][ T967] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.185056][ T967] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.185384][ T967] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.185735][ T967] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.186067][ T967] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.186385][ T967] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.186733][ T967] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.187057][ T967] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.187402][ T967] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.187754][ T967] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.188091][ T967] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.188437][ T967] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.188768][ T967] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.189087][ T967] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.189409][ T967] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.189776][ T967] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.190136][ T967] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.190474][ T967] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.190811][ T967] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.191137][ T967] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.191479][ T967] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.191814][ T967] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.192151][ T967] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.192482][ T967] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.192825][ T967] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.193164][ T967] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.193490][ T967] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.193841][ T967] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.194187][ T967] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.194508][ T967] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.194858][ T967] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.195278][ T967] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.195652][ T967] ___sys_sendmsg (net/socket.c:2670) 
[ 112.195977][ T967] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.196300][ T967] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.196645][ T967] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.196966][ T967] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.197317][ T967] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.197656][ T967] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.197967][ T967] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.198317][ T967] __sys_sendmsg (net/socket.c:2700) 
[ 112.198677][ T967] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.199000][ T967] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 112.199332][ T967] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 112.199696][ T967] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.200022][ T967] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.200343][ T967] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.200770][  T967] RIP: 0033:0x7ff8935e21e7
[ 112.201108][ T967] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.202353][  T967] RSP: 002b:00007ffd8d3f6638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.202875][  T967] RAX: ffffffffffffffda RBX: 00007ffd8d3f6d60 RCX: 00007ff8935e21e7
[  112.203366][  T967] RDX: 0000000000000000 RSI: 00007ffd8d3f66a0 RDI: 0000000000000005
[  112.203927][  T967] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.204424][  T967] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd8d3f6d98
[  112.204921][  T967] R13: 00000000686e5e35 R14: 0000000000499600 R15: 0000000000000000
| [  112.339996][  T969] ------------[ cut here ]------------
| [ 112.340394][ T969] WARNING: CPU: 2 PID: 969 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.341163][  T969] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.342465][  T969] Tainted: [W]=WARN
[  112.342853][  T969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.343329][ T969] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.343735][ T969] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.345049][  T969] RSP: 0018:ffffc900005c7080 EFLAGS: 00010246
[  112.345532][  T969] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  112.346069][  T969] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  112.346806][  T969] RBP: ffffc900005c7168 R08: 0000000000000000 R09: 0000000000000000
[  112.347337][  T969] R10: ffffc900005c7198 R11: ffffffff9a8a8918 R12: 1ffff920000b8e14
[  112.347937][  T969] R13: 00000000000005dc R14: ffffc900005c7198 R15: ffff888004dd2f08
[  112.348557][  T969] FS:  00007fc87fae7800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  112.349194][  T969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.349614][  T969] CR2: 000055e0f3b0cbd8 CR3: 0000000009123002 CR4: 0000000000772ef0
[  112.350141][  T969] PKRU: 55555554
[  112.350392][  T969] Call Trace:
[  112.350763][  T969]  <TASK>
[ 112.351075][ T969] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.351686][ T969] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.352284][ T969] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.353025][ T969] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.353628][ T969] netif_set_mtu (net/core/dev.c:9652) 
[ 112.354223][ T969] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.354846][ T969] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.355660][ T969] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.356114][ T969] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.356934][ T969] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.357617][ T969] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 112.358211][ T969] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.358857][ T969] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.359461][ T969] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.360060][ T969] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.360680][ T969] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.361288][ T969] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.361920][ T969] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.362495][ T969] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.363115][ T969] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.363735][ T969] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.364344][ T969] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.364980][ T969] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.365604][ T969] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.366200][ T969] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.366793][ T969] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.367399][ T969] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.368031][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.368676][ T969] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.369296][ T969] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.369935][ T969] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.370561][ T969] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.371179][ T969] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.371808][ T969] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.372412][ T969] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.373027][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.373670][ T969] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.374290][ T969] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.374911][ T969] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.375546][ T969] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.376172][ T969] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.376792][ T969] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.377543][ T969] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.378177][ T969] ___sys_sendmsg (net/socket.c:2670) 
[ 112.378808][ T969] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.379425][ T969] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.380045][ T969] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.380660][ T969] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.381268][ T969] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.382335][ T969] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.382951][ T969] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.383611][ T969] __sys_sendmsg (net/socket.c:2700) 
[ 112.384218][ T969] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.385262][ T969] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 112.385896][ T969] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 112.386502][ T969] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.387582][ T969] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.388209][ T969] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.388986][  T969] RIP: 0033:0x7fc87fcb41e7
[ 112.389628][ T969] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.391715][  T969] RSP: 002b:00007ffc68810b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.393507][  T969] RAX: ffffffffffffffda RBX: 00007ffc688112a0 RCX: 00007fc87fcb41e7
[  112.394436][  T969] RDX: 0000000000000000 RSI: 00007ffc68810be0 RDI: 0000000000000005
[  112.395780][  T969] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.396688][  T969] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc688112d8
[  112.397606][  T969] R13: 00000000686e5e36 R14: 0000000000499600 R15: 0000000000000000
| [  112.566671][  T971] ------------[ cut here ]------------
| [ 112.567034][ T971] WARNING: CPU: 2 PID: 971 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.567771][  T971] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.569035][  T971] Tainted: [W]=WARN
[  112.569297][  T971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.569725][ T971] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.570067][ T971] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.571235][  T971] RSP: 0018:ffffc900006c7080 EFLAGS: 00010246
[  112.571654][  T971] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  112.572160][  T971] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  112.572670][  T971] RBP: ffffc900006c7168 R08: 0000000000000000 R09: 0000000000000000
[  112.573162][  T971] R10: ffffc900006c7198 R11: ffffffff9a8a8918 R12: 1ffff920000d8e14
[  112.573667][  T971] R13: 00000000000005dc R14: ffffc900006c7198 R15: ffff888004dd2f08
[  112.574170][  T971] FS:  00007f1442095800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  112.574754][  T971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.575175][  T971] CR2: 00000000004a1738 CR3: 000000000df07004 CR4: 0000000000772ef0
[  112.575720][  T971] PKRU: 55555554
[  112.575983][  T971] Call Trace:
[  112.576247][  T971]  <TASK>
[ 112.576431][ T971] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.576789][ T971] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.577141][ T971] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.577583][ T971] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.577936][ T971] netif_set_mtu (net/core/dev.c:9652) 
[ 112.578286][ T971] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.578667][ T971] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.579142][ T971] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.579409][ T971] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.579879][ T971] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.580259][ T971] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 112.580619][ T971] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.580974][ T971] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.581347][ T971] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.581704][ T971] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.582066][ T971] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.582416][ T971] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.582783][ T971] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.583130][ T971] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.583482][ T971] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.583845][ T971] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.584199][ T971] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.584561][ T971] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.584913][ T971] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.585262][ T971] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.585612][ T971] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.585963][ T971] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.586316][ T971] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.586679][ T971] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.587033][ T971] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.587382][ T971] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.587749][ T971] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.588099][ T971] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.588471][ T971] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.588845][ T971] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.589201][ T971] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.589560][ T971] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.589916][ T971] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.590260][ T971] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.590622][ T971] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.590969][ T971] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.591308][ T971] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.591754][ T971] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.592106][ T971] ___sys_sendmsg (net/socket.c:2670) 
[ 112.592456][ T971] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.592824][ T971] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.593178][ T971] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.593521][ T971] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.593887][ T971] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.594236][ T971] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.594585][ T971] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.594951][ T971] __sys_sendmsg (net/socket.c:2700) 
[ 112.595294][ T971] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.595648][ T971] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 112.596002][ T971] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 112.596362][ T971] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.596735][ T971] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.597091][ T971] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.597518][  T971] RIP: 0033:0x7f14422621e7
[ 112.597880][ T971] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.599091][  T971] RSP: 002b:00007ffea51d3e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.599603][  T971] RAX: ffffffffffffffda RBX: 00007ffea51d4550 RCX: 00007f14422621e7
[  112.600110][  T971] RDX: 0000000000000000 RSI: 00007ffea51d3e90 RDI: 0000000000000005
[  112.600631][  T971] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.601140][  T971] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffea51d4588
[  112.601685][  T971] R13: 00000000686e5e36 R14: 0000000000499600 R15: 0000000000000000
| [  112.778531][  T974] ------------[ cut here ]------------
| [ 112.778925][ T974] WARNING: CPU: 2 PID: 974 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.779564][  T974] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.780763][  T974] Tainted: [W]=WARN
[  112.781018][  T974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.781447][ T974] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.781807][ T974] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.783006][  T974] RSP: 0018:ffffc900006b7080 EFLAGS: 00010246
[  112.783430][  T974] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  112.783937][  T974] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  112.784435][  T974] RBP: ffffc900006b7168 R08: 0000000000000000 R09: 0000000000000000
[  112.784937][  T974] R10: ffffc900006b7198 R11: ffffffff9a8a8918 R12: 1ffff920000d6e14
[  112.785443][  T974] R13: 00000000000005dc R14: ffffc900006b7198 R15: ffff888004dd2f08
[  112.785948][  T974] FS:  00007fedc08e5800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  112.786553][  T974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.786986][  T974] CR2: 00000000004a1738 CR3: 000000000f56f003 CR4: 0000000000772ef0
[  112.787488][  T974] PKRU: 55555554
[  112.787751][  T974] Call Trace:
[  112.788006][  T974]  <TASK>
[ 112.788183][ T974] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.788548][ T974] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.788897][ T974] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.789324][ T974] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.789678][ T974] netif_set_mtu (net/core/dev.c:9652) 
[ 112.790024][ T974] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.790376][ T974] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.790900][ T974] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.791168][ T974] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.791656][ T974] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.792051][ T974] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 112.792408][ T974] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.792780][ T974] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.793132][ T974] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.793478][ T974] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.793832][ T974] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.794184][ T974] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.794538][ T974] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.794904][ T974] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.795269][ T974] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.795641][ T974] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.795997][ T974] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.796358][ T974] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.796711][ T974] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.797065][ T974] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.797412][ T974] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.797771][ T974] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.798126][ T974] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.798495][ T974] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.798859][ T974] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.799209][ T974] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.799583][ T974] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.799930][ T974] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.800287][ T974] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.800647][ T974] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.800992][ T974] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.801343][ T974] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.801703][ T974] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.802051][ T974] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.802408][ T974] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.802779][ T974] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.803127][ T974] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.803561][ T974] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.803932][ T974] ___sys_sendmsg (net/socket.c:2670) 
[ 112.804280][ T974] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.804640][ T974] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.804994][ T974] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.805348][ T974] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.805712][ T974] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.806062][ T974] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.806409][ T974] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.806778][ T974] __sys_sendmsg (net/socket.c:2700) 
[ 112.807129][ T974] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.807481][ T974] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 112.807855][ T974] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 112.808210][ T974] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.808600][ T974] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.808953][ T974] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.809384][  T974] RIP: 0033:0x7fedc0ab21e7
[ 112.809754][ T974] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.810985][  T974] RSP: 002b:00007ffe15a88cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.811504][  T974] RAX: ffffffffffffffda RBX: 00007ffe15a893f0 RCX: 00007fedc0ab21e7
[  112.812032][  T974] RDX: 0000000000000000 RSI: 00007ffe15a88d30 RDI: 0000000000000005
[  112.812555][  T974] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.813077][  T974] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe15a89428
[  112.813603][  T974] R13: 00000000686e5e36 R14: 0000000000499600 R15: 0000000000000000
| [  112.968831][  T976] ------------[ cut here ]------------
| [ 112.969160][ T976] WARNING: CPU: 3 PID: 976 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.969804][  T976] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.970950][  T976] Tainted: [W]=WARN
[  112.971200][  T976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.971601][ T976] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.971938][ T976] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.973088][  T976] RSP: 0000:ffffc900022c7080 EFLAGS: 00010246
[  112.973492][  T976] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  112.973980][  T976] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  112.974450][  T976] RBP: ffffc900022c7168 R08: 0000000000000000 R09: 0000000000000000
[  112.974932][  T976] R10: ffffc900022c7198 R11: ffffffff9a8a8918 R12: 1ffff92000458e14
[  112.975417][  T976] R13: 00000000000005dc R14: ffffc900022c7198 R15: ffff888004dd2f08
[  112.975904][  T976] FS:  00007f2bb3f48800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  112.976481][  T976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.976891][  T976] CR2: 00007efe480ea0e0 CR3: 000000000bb87003 CR4: 0000000000772ef0
[  112.977367][  T976] PKRU: 55555554
[  112.977613][  T976] Call Trace:
[  112.977860][  T976]  <TASK>
[ 112.978025][ T976] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.978354][ T976] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.978712][ T976] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.979107][ T976] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.979429][ T976] netif_set_mtu (net/core/dev.c:9652) 
[ 112.979755][ T976] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.980082][ T976] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.980516][ T976] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.980771][ T976] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.981195][ T976] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.981552][ T976] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 112.981876][ T976] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.982195][ T976] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.982518][ T976] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.982841][ T976] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.983160][ T976] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.983471][ T976] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.983803][ T976] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.984117][ T976] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.984437][ T976] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.984768][ T976] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.985089][ T976] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.985418][ T976] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.985737][ T976] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.986056][ T976] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.986369][ T976] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.986693][ T976] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.987008][ T976] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.987330][ T976] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.987656][ T976] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.987974][ T976] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.988309][ T976] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.988648][ T976] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.988965][ T976] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.989284][ T976] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.989607][ T976] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.989930][ T976] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.990249][ T976] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.990578][ T976] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.990907][ T976] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.991229][ T976] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.991549][ T976] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.991958][ T976] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.992282][ T976] ___sys_sendmsg (net/socket.c:2670) 
[ 112.992620][ T976] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.992938][ T976] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.993259][ T976] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.993579][ T976] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.993901][ T976] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.994221][ T976] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.994532][ T976] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.994877][ T976] __sys_sendmsg (net/socket.c:2700) 
[ 112.995192][ T976] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.995506][ T976] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 112.995836][ T976] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 112.996155][ T976] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.996477][ T976] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.996808][ T976] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.997206][  T976] RIP: 0033:0x7f2bb41151e7
[ 112.997534][ T976] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.998696][  T976] RSP: 002b:00007ffda4e0db08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.999185][  T976] RAX: ffffffffffffffda RBX: 00007ffda4e0e230 RCX: 00007f2bb41151e7
[  112.999680][  T976] RDX: 0000000000000000 RSI: 00007ffda4e0db70 RDI: 0000000000000005
[  113.000153][  T976] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.000634][  T976] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda4e0e268
[  113.001103][  T976] R13: 00000000686e5e36 R14: 0000000000499600 R15: 0000000000000000
| [  113.133910][  T977] ------------[ cut here ]------------
| [ 113.134265][ T977] WARNING: CPU: 2 PID: 977 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.134987][  T977] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.136185][  T977] Tainted: [W]=WARN
[  113.136438][  T977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.136876][ T977] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.137228][ T977] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.138392][  T977] RSP: 0018:ffffc900006f7080 EFLAGS: 00010246
[  113.138831][  T977] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  113.139319][  T977] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  113.139829][  T977] RBP: ffffc900006f7168 R08: 0000000000000000 R09: 0000000000000000
[  113.140323][  T977] R10: ffffc900006f7198 R11: ffffffff9a8a8918 R12: 1ffff920000dee14
[  113.140829][  T977] R13: 00000000000005dc R14: ffffc900006f7198 R15: ffff888004dd2f08
[  113.141313][  T977] FS:  00007f6135f8c800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  113.141889][  T977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.142303][  T977] CR2: 00000000004a1738 CR3: 000000000f667001 CR4: 0000000000772ef0
[  113.142803][  T977] PKRU: 55555554
[  113.143053][  T977] Call Trace:
[  113.143301][  T977]  <TASK>
[ 113.143477][ T977] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.143825][ T977] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.144165][ T977] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.144588][ T977] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.144921][ T977] netif_set_mtu (net/core/dev.c:9652) 
[ 113.145253][ T977] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.145600][ T977] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.146064][ T977] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.146328][ T977] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.146801][ T977] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.147187][ T977] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 113.147660][ T977] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.147998][ T977] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.148594][ T977] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.148927][ T977] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.149262][ T977] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.149831][ T977] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.150168][ T977] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.150501][ T977] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.150846][ T977] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.151185][ T977] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.151526][ T977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.151871][ T977] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.152196][ T977] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.152524][ T977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.152859][ T977] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.153200][ T977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.153771][ T977] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.154105][ T977] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.154432][ T977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.155035][ T977] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.155379][ T977] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.155939][ T977] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.156272][ T977] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.156621][ T977] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.156949][ T977] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.157281][ T977] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.157619][ T977] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.157950][ T977] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.158285][ T977] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.158861][ T977] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.159189][ T977] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.159836][ T977] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.160172][ T977] ___sys_sendmsg (net/socket.c:2670) 
[ 113.160507][ T977] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.160849][ T977] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.161185][ T977] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.161512][ T977] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.162310][ T977] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.162659][ T977] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.162997][ T977] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.163344][ T977] __sys_sendmsg (net/socket.c:2700) 
[ 113.163692][ T977] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.164034][ T977] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 113.164368][ T977] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 113.164712][ T977] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.165287][ T977] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.165625][ T977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.166034][  T977] RIP: 0033:0x7f61361591e7
[ 113.166381][ T977] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.167766][  T977] RSP: 002b:00007ffdfc436d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.168256][  T977] RAX: ffffffffffffffda RBX: 00007ffdfc437450 RCX: 00007f61361591e7
[  113.169003][  T977] RDX: 0000000000000000 RSI: 00007ffdfc436d90 RDI: 0000000000000005
[  113.169491][  T977] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.169988][  T977] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdfc437488
[  113.170483][  T977] R13: 00000000686e5e36 R14: 0000000000499600 R15: 0000000000000000
| [  113.322540][  T980] ------------[ cut here ]------------
| [ 113.322945][ T980] WARNING: CPU: 2 PID: 980 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.323596][  T980] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.324775][  T980] Tainted: [W]=WARN
[  113.325031][  T980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.325439][ T980] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.325802][ T980] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.326955][  T980] RSP: 0018:ffffc90001df7080 EFLAGS: 00010246
[  113.327376][  T980] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  113.327866][  T980] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  113.328383][  T980] RBP: ffffc90001df7168 R08: 0000000000000000 R09: 0000000000000000
[  113.328922][  T980] R10: ffffc90001df7198 R11: ffffffff9a8a8918 R12: 1ffff920003bee14
[  113.329414][  T980] R13: 00000000000005dc R14: ffffc90001df7198 R15: ffff888004dd2f08
[  113.329905][  T980] FS:  00007faa46987800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  113.330466][  T980] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.330887][  T980] CR2: 00000000004a1738 CR3: 000000000dc36005 CR4: 0000000000772ef0
[  113.331368][  T980] PKRU: 55555554
[  113.331626][  T980] Call Trace:
[  113.331873][  T980]  <TASK>
[ 113.332048][ T980] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.332386][ T980] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.332733][ T980] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.333144][ T980] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.333473][ T980] netif_set_mtu (net/core/dev.c:9652) 
[ 113.333815][ T980] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.334152][ T980] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.334607][ T980] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.334859][ T980] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.335297][ T980] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.335673][ T980] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 113.336005][ T980] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.336338][ T980] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.336682][ T980] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.337007][ T980] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.337337][ T980] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.337677][ T980] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.338021][ T980] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.338354][ T980] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.338723][ T980] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.339067][ T980] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.339412][ T980] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.339777][ T980] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.340137][ T980] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.340491][ T980] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.340852][ T980] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.341198][ T980] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.341543][ T980] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.341897][ T980] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.342239][ T980] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.342593][ T980] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.342951][ T980] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.343299][ T980] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.343658][ T980] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.344012][ T980] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.344357][ T980] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.344720][ T980] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.345072][ T980] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.345427][ T980] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.345786][ T980] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.346137][ T980] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.346485][ T980] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.346922][ T980] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.347276][ T980] ___sys_sendmsg (net/socket.c:2670) 
[ 113.347678][ T980] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.348023][ T980] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.348369][ T980] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.348719][ T980] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.349057][ T980] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.349388][ T980] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.349725][ T980] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.350069][ T980] __sys_sendmsg (net/socket.c:2700) 
[ 113.350399][ T980] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.350737][ T980] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 113.351083][ T980] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 113.351419][ T980] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.351768][ T980] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.352099][ T980] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.352504][  T980] RIP: 0033:0x7faa46b541e7
[ 113.352850][ T980] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.354012][  T980] RSP: 002b:00007ffd589ac6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.354510][  T980] RAX: ffffffffffffffda RBX: 00007ffd589acdf0 RCX: 00007faa46b541e7
[  113.355003][  T980] RDX: 0000000000000000 RSI: 00007ffd589ac730 RDI: 0000000000000005
[  113.355486][  T980] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.355985][  T980] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd589ace28
[  113.356470][  T980] R13: 00000000686e5e37 R14: 0000000000499600 R15: 0000000000000000
| [  113.506122][  T981] ------------[ cut here ]------------
| [ 113.506481][ T981] WARNING: CPU: 2 PID: 981 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.507214][  T981] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.508687][  T981] Tainted: [W]=WARN
[  113.508970][  T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.509379][ T981] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.509735][ T981] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.510902][  T981] RSP: 0018:ffffc900006f7080 EFLAGS: 00010246
[  113.511313][  T981] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  113.511805][  T981] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  113.512323][  T981] RBP: ffffc900006f7168 R08: 0000000000000000 R09: 0000000000000000
[  113.512832][  T981] R10: ffffc900006f7198 R11: ffffffff9a8a8918 R12: 1ffff920000dee14
[  113.513315][  T981] R13: 00000000000005dc R14: ffffc900006f7198 R15: ffff888004dd2f08
[  113.513806][  T981] FS:  00007f3605509800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  113.514383][  T981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.514802][  T981] CR2: 00000000004a1738 CR3: 0000000005056001 CR4: 0000000000772ef0
[  113.515288][  T981] PKRU: 55555554
[  113.515541][  T981] Call Trace:
[  113.515803][  T981]  <TASK>
[ 113.515979][ T981] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.516315][ T981] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.516653][ T981] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.517068][ T981] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.517397][ T981] netif_set_mtu (net/core/dev.c:9652) 
[ 113.517735][ T981] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.518076][ T981] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.518544][ T981] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.518806][ T981] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.519254][ T981] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.519631][ T981] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 113.519979][ T981] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.520311][ T981] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.520651][ T981] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.520976][ T981] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.521308][ T981] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.521647][ T981] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.521985][ T981] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.522309][ T981] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.522663][ T981] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.523000][ T981] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.523351][ T981] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.523722][ T981] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.524066][ T981] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.524414][ T981] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.524771][ T981] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.525117][ T981] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.525467][ T981] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.525824][ T981] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.526171][ T981] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.526523][ T981] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.526886][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.527249][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.527589][ T981] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.527921][ T981] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.528251][ T981] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.528641][ T981] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.528999][ T981] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.529345][ T981] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.529708][ T981] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.530058][ T981] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.530404][ T981] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.530846][ T981] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.531200][ T981] ___sys_sendmsg (net/socket.c:2670) 
[ 113.531534][ T981] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.531873][ T981] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.532205][ T981] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.532531][ T981] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.532878][ T981] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.533210][ T981] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.533545][ T981] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.533899][ T981] __sys_sendmsg (net/socket.c:2700) 
[ 113.534233][ T981] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.534608][ T981] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 113.534965][ T981] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 113.535308][ T981] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.535658][ T981] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.535993][ T981] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.536409][  T981] RIP: 0033:0x7f36056d61e7
[ 113.536799][ T981] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.538044][  T981] RSP: 002b:00007ffcca454e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.538580][  T981] RAX: ffffffffffffffda RBX: 00007ffcca455570 RCX: 00007f36056d61e7
[  113.539128][  T981] RDX: 0000000000000000 RSI: 00007ffcca454eb0 RDI: 0000000000000005
[  113.539621][  T981] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.540108][  T981] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcca4555a8
[  113.540611][  T981] R13: 00000000686e5e37 R14: 0000000000499600 R15: 0000000000000000
| [  113.716802][  T983] ------------[ cut here ]------------
| [ 113.717223][ T983] WARNING: CPU: 2 PID: 983 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.717949][  T983] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.719633][  T983] Tainted: [W]=WARN
[  113.719907][  T983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.720345][ T983] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.720727][ T983] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.721970][  T983] RSP: 0018:ffffc90000707080 EFLAGS: 00010246
[  113.722410][  T983] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  113.722950][  T983] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  113.723450][  T983] RBP: ffffc90000707168 R08: 0000000000000000 R09: 0000000000000000
[  113.723962][  T983] R10: ffffc90000707198 R11: ffffffff9a8a8918 R12: 1ffff920000e0e14
[  113.724448][  T983] R13: 00000000000005dc R14: ffffc90000707198 R15: ffff888004dd2f08
[  113.724965][  T983] FS:  00007f7b888e7800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  113.725560][  T983] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.726034][  T983] CR2: 00007f62995611fc CR3: 000000000f5f9001 CR4: 0000000000772ef0
[  113.726548][  T983] PKRU: 55555554
[  113.726852][  T983] Call Trace:
[  113.727123][  T983]  <TASK>
[ 113.727309][ T983] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.727686][ T983] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.728043][ T983] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.728505][ T983] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.728877][ T983] netif_set_mtu (net/core/dev.c:9652) 
[ 113.729228][ T983] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.729617][ T983] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.730105][ T983] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.730370][ T983] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.730858][ T983] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.731244][ T983] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 113.731627][ T983] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.731978][ T983] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.732331][ T983] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.732699][ T983] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.733046][ T983] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.733389][ T983] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.733787][ T983] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.734130][ T983] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.734496][ T983] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.734883][ T983] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.735251][ T983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.735646][ T983] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.736002][ T983] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.736362][ T983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.736737][ T983] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.737091][ T983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.737452][ T983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.737847][ T983] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.738200][ T983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.738555][ T983] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.738939][ T983] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.739285][ T983] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.739655][ T983] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.740005][ T983] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.740357][ T983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.740727][ T983] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.741069][ T983] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.741398][ T983] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.741788][ T983] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.742140][ T983] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.742478][ T983] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.742932][ T983] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.743282][ T983] ___sys_sendmsg (net/socket.c:2670) 
[ 113.743653][ T983] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.744002][ T983] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.744354][ T983] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.744722][ T983] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.745071][ T983] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.745417][ T983] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.745823][ T983] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.746192][ T983] __sys_sendmsg (net/socket.c:2700) 
[ 113.746544][ T983] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.746923][ T983] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 113.747282][ T983] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 113.747650][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.748012][ T983] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.748360][ T983] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.748838][  T983] RIP: 0033:0x7f7b88ab41e7
[ 113.749195][ T983] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.750441][  T983] RSP: 002b:00007ffe081a8008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.750983][  T983] RAX: ffffffffffffffda RBX: 00007ffe081a8730 RCX: 00007f7b88ab41e7
[  113.751508][  T983] RDX: 0000000000000000 RSI: 00007ffe081a8070 RDI: 0000000000000005
[  113.752046][  T983] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.752581][  T983] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe081a8768
[  113.753100][  T983] R13: 00000000686e5e37 R14: 0000000000499600 R15: 0000000000000000
| [  113.922717][  T985] ------------[ cut here ]------------
| [ 113.923067][ T985] WARNING: CPU: 0 PID: 985 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.923948][  T985] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.926000][  T985] Tainted: [W]=WARN
[  113.926269][  T985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.926985][ T985] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.927409][ T985] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.929020][  T985] RSP: 0018:ffffc900006f7080 EFLAGS: 00010246
[  113.929431][  T985] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  113.929915][  T985] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  113.930498][  T985] RBP: ffffc900006f7168 R08: 0000000000000000 R09: 0000000000000000
[  113.931083][  T985] R10: ffffc900006f7198 R11: ffffffff9a8a8918 R12: 1ffff920000dee14
[  113.931600][  T985] R13: 00000000000005dc R14: ffffc900006f7198 R15: ffff888004dd2f08
[  113.932259][  T985] FS:  00007efdbcd9a800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  113.932930][  T985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.933346][  T985] CR2: 00007fba4fc7084f CR3: 000000000f56d004 CR4: 0000000000772ef0
[  113.933975][  T985] PKRU: 55555554
[  113.934263][  T985] Call Trace:
[  113.934503][  T985]  <TASK>
[ 113.934679][ T985] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.935018][ T985] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.935338][ T985] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.935739][ T985] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.936165][ T985] netif_set_mtu (net/core/dev.c:9652) 
[ 113.936564][ T985] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.936901][ T985] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.937361][ T985] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.937636][ T985] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.938082][ T985] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.938456][ T985] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 113.938795][ T985] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.939225][ T985] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.939554][ T985] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.939883][ T985] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.940335][ T985] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.940673][ T985] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.941096][ T985] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.941470][ T985] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.941863][ T985] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.942210][ T985] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.942547][ T985] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.943013][ T985] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.943344][ T985] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.943686][ T985] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.944063][ T985] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.944385][ T985] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.944716][ T985] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.945050][ T985] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.945420][ T985] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.945763][ T985] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.946117][ T985] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.946448][ T985] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.946791][ T985] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.947159][ T985] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.947497][ T985] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.947852][ T985] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.948293][ T985] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.948660][ T985] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.949003][ T985] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.949337][ T985] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.949676][ T985] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.950137][ T985] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.950566][ T985] ___sys_sendmsg (net/socket.c:2670) 
[ 113.950903][ T985] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.951251][ T985] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.951587][ T985] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.952035][ T985] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.952372][ T985] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.952719][ T985] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.953048][ T985] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.953386][ T985] __sys_sendmsg (net/socket.c:2700) 
[ 113.953715][ T985] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.954046][ T985] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 113.954374][ T985] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 113.954772][ T985] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.955254][ T985] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.955684][ T985] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.956299][  T985] RIP: 0033:0x7efdbcf671e7
[ 113.956651][ T985] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.957800][  T985] RSP: 002b:00007fffa2968c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.958358][  T985] RAX: ffffffffffffffda RBX: 00007fffa2969370 RCX: 00007efdbcf671e7
[  113.958917][  T985] RDX: 0000000000000000 RSI: 00007fffa2968cb0 RDI: 0000000000000005
[  113.959551][  T985] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.960232][  T985] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffa29693a8
[  113.960737][  T985] R13: 00000000686e5e37 R14: 0000000000499600 R15: 0000000000000000
| [  114.178221][  T987] ------------[ cut here ]------------
| [ 114.178880][ T987] WARNING: CPU: 2 PID: 987 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.180043][  T987] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.182133][  T987] Tainted: [W]=WARN
[  114.182591][  T987] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.183308][ T987] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.183922][ T987] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.185963][  T987] RSP: 0018:ffffc90000717080 EFLAGS: 00010246
[  114.186711][  T987] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  114.187593][  T987] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  114.188460][  T987] RBP: ffffc90000717168 R08: 0000000000000000 R09: 0000000000000000
[  114.189339][  T987] R10: ffffc90000717198 R11: ffffffff9a8a8918 R12: 1ffff920000e2e14
[  114.190223][  T987] R13: 00000000000005dc R14: ffffc90000717198 R15: ffff888004dd2f08
[  114.191117][  T987] FS:  00007f4d33f3d800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  114.192132][  T987] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.192860][  T987] CR2: 00000000004a1738 CR3: 000000000f406002 CR4: 0000000000772ef0
[  114.193733][  T987] PKRU: 55555554
[  114.194175][  T987] Call Trace:
[  114.194649][  T987]  <TASK>
[ 114.194963][ T987] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.195561][ T987] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.196168][ T987] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.196911][ T987] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.197491][ T987] netif_set_mtu (net/core/dev.c:9652) 
[ 114.198098][ T987] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.198755][ T987] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.199283][ T987] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.199594][ T987] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.200118][ T987] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.200535][ T987] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 114.200924][ T987] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.201318][ T987] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.201717][ T987] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.202097][ T987] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.202489][ T987] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.202889][ T987] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.203282][ T987] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.203663][ T987] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.204041][ T987] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.204428][ T987] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.204829][ T987] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.205226][ T987] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.205607][ T987] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.205997][ T987] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.206369][ T987] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.206757][ T987] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.207149][ T987] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.207542][ T987] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.207927][ T987] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.208309][ T987] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.208726][ T987] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.209116][ T987] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.209490][ T987] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 114.209893][ T987] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.210275][ T987] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.210663][ T987] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.211045][ T987] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.211431][ T987] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.211996][ T987] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.212442][ T987] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.212835][ T987] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.213297][ T987] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.213700][ T987] ___sys_sendmsg (net/socket.c:2670) 
[ 114.214071][ T987] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.214448][ T987] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.214847][ T987] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.215236][ T987] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.215623][ T987] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.216005][ T987] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.216377][ T987] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.216776][ T987] __sys_sendmsg (net/socket.c:2700) 
[ 114.217161][ T987] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.217532][ T987] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.217926][ T987] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.218330][ T987] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.218759][ T987] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.219155][ T987] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.219626][  T987] RIP: 0033:0x7f4d3410a1e7
[ 114.220009][ T987] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.221316][  T987] RSP: 002b:00007ffcc82035e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.221889][  T987] RAX: ffffffffffffffda RBX: 00007ffcc8203d10 RCX: 00007f4d3410a1e7
[  114.222447][  T987] RDX: 0000000000000000 RSI: 00007ffcc8203650 RDI: 0000000000000005
[  114.222998][  T987] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.223552][  T987] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc8203d48
[  114.224110][  T987] R13: 00000000686e5e37 R14: 0000000000499600 R15: 0000000000000000
| [  114.382426][  T990] ------------[ cut here ]------------
| [ 114.382931][ T990] WARNING: CPU: 3 PID: 990 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.383598][  T990] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.384765][  T990] Tainted: [W]=WARN
[  114.385004][  T990] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.385399][ T990] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.385750][ T990] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.386913][  T990] RSP: 0018:ffffc90000737080 EFLAGS: 00010246
[  114.387317][  T990] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  114.387846][  T990] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  114.388351][  T990] RBP: ffffc90000737168 R08: 0000000000000000 R09: 0000000000000000
[  114.388863][  T990] R10: ffffc90000737198 R11: ffffffff9a8a8918 R12: 1ffff920000e6e14
[  114.389335][  T990] R13: 00000000000005dc R14: ffffc90000737198 R15: ffff888004dd2f08
[  114.389835][  T990] FS:  00007f339b175800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  114.390387][  T990] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.390808][  T990] CR2: 00000000004a1738 CR3: 0000000005804004 CR4: 0000000000772ef0
[  114.391287][  T990] PKRU: 55555554
[  114.391526][  T990] Call Trace:
[  114.391776][  T990]  <TASK>
[ 114.391950][ T990] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.392281][ T990] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.392607][ T990] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.393020][ T990] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.393343][ T990] netif_set_mtu (net/core/dev.c:9652) 
[ 114.393671][ T990] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.394019][ T990] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.394463][ T990] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.394715][ T990] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.395164][ T990] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.395520][ T990] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 114.395849][ T990] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.396187][ T990] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.396507][ T990] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.396833][ T990] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.397167][ T990] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.397494][ T990] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.397826][ T990] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.398154][ T990] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.398493][ T990] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.398835][ T990] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.399180][ T990] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.399512][ T990] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.399835][ T990] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.400168][ T990] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.400487][ T990] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.400815][ T990] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.401151][ T990] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.401466][ T990] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.401801][ T990] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.402134][ T990] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.402462][ T990] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.402938][ T990] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.403276][ T990] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 114.403676][ T990] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.403997][ T990] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.404334][ T990] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.404666][ T990] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.404984][ T990] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.405330][ T990] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.405664][ T990] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.405978][ T990] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.406393][ T990] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.406724][ T990] ___sys_sendmsg (net/socket.c:2670) 
[ 114.407041][ T990] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.407371][ T990] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.407699][ T990] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.408013][ T990] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.408345][ T990] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.408686][ T990] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.409002][ T990] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.409349][ T990] __sys_sendmsg (net/socket.c:2700) 
[ 114.409673][ T990] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.409988][ T990] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.410323][ T990] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.410661][ T990] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.410982][ T990] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.411316][ T990] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.411714][  T990] RIP: 0033:0x7f339b3421e7
[ 114.412043][ T990] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.413192][  T990] RSP: 002b:00007fff9266bba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.413701][  T990] RAX: ffffffffffffffda RBX: 00007fff9266c2d0 RCX: 00007f339b3421e7
[  114.414196][  T990] RDX: 0000000000000000 RSI: 00007fff9266bc10 RDI: 0000000000000005
[  114.414695][  T990] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.415175][  T990] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff9266c308
[  114.415675][  T990] R13: 00000000686e5e38 R14: 0000000000499600 R15: 0000000000000000
| [  114.569518][  T992] ------------[ cut here ]------------
| [ 114.569924][ T992] WARNING: CPU: 0 PID: 992 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.570591][  T992] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.571791][  T992] Tainted: [W]=WARN
[  114.572048][  T992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.572468][ T992] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.572819][ T992] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.574028][  T992] RSP: 0000:ffffc90000717080 EFLAGS: 00010246
[  114.574466][  T992] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  114.574952][  T992] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  114.575427][  T992] RBP: ffffc90000717168 R08: 0000000000000000 R09: 0000000000000000
[  114.575924][  T992] R10: ffffc90000717198 R11: ffffffff9a8a8918 R12: 1ffff920000e2e14
[  114.576408][  T992] R13: 00000000000005dc R14: ffffc90000717198 R15: ffff888004dd2f08
[  114.576894][  T992] FS:  00007f2450eb7800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  114.577467][  T992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.577900][  T992] CR2: 00007efe480ab840 CR3: 000000000a2fc002 CR4: 0000000000772ef0
[  114.578405][  T992] PKRU: 55555554
[  114.578673][  T992] Call Trace:
[  114.578922][  T992]  <TASK>
[ 114.579095][ T992] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.579433][ T992] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.579778][ T992] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.580189][ T992] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.580524][ T992] netif_set_mtu (net/core/dev.c:9652) 
[ 114.580867][ T992] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.581213][ T992] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.581678][ T992] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.581932][ T992] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.582380][ T992] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.582781][ T992] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 114.583117][ T992] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.583456][ T992] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.583805][ T992] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.584138][ T992] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.584469][ T992] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.584811][ T992] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.585204][ T992] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.585557][ T992] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.585916][ T992] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.586270][ T992] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.586620][ T992] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.586968][ T992] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.587298][ T992] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.587643][ T992] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.587979][ T992] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.588313][ T992] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.588672][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.589039][ T992] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.589367][ T992] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.589698][ T992] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.590059][ T992] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.590388][ T992] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.590731][ T992] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 114.591072][ T992] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.591405][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.591749][ T992] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.592087][ T992] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.592422][ T992] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.592766][ T992] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.593153][ T992] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.593486][ T992] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.593937][ T992] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.594287][ T992] ___sys_sendmsg (net/socket.c:2670) 
[ 114.594643][ T992] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.594980][ T992] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.595325][ T992] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.595674][ T992] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.596022][ T992] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.596355][ T992] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.596699][ T992] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.597083][ T992] __sys_sendmsg (net/socket.c:2700) 
[ 114.597414][ T992] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.597751][ T992] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.598092][ T992] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.598442][ T992] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.598790][ T992] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.599129][ T992] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.599550][  T992] RIP: 0033:0x7f24510841e7
[ 114.599904][ T992] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.601145][  T992] RSP: 002b:00007ffea14c4c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.601663][  T992] RAX: ffffffffffffffda RBX: 00007ffea14c5350 RCX: 00007f24510841e7
[  114.602165][  T992] RDX: 0000000000000000 RSI: 00007ffea14c4c90 RDI: 0000000000000005
[  114.602677][  T992] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.603191][  T992] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffea14c5388
[  114.603702][  T992] R13: 00000000686e5e38 R14: 0000000000499600 R15: 0000000000000000
| [  114.768669][  T994] ------------[ cut here ]------------
| [ 114.769016][ T994] WARNING: CPU: 2 PID: 994 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.769746][  T994] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.770931][  T994] Tainted: [W]=WARN
[  114.771189][  T994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.771605][ T994] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.771946][ T994] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.773105][  T994] RSP: 0018:ffffc90000717080 EFLAGS: 00010246
[  114.773517][  T994] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  114.774035][  T994] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  114.774538][  T994] RBP: ffffc90000717168 R08: 0000000000000000 R09: 0000000000000000
[  114.775046][  T994] R10: ffffc90000717198 R11: ffffffff9a8a8918 R12: 1ffff920000e2e14
[  114.775533][  T994] R13: 00000000000005dc R14: ffffc90000717198 R15: ffff888004dd2f08
[  114.776037][  T994] FS:  00007f1b6164b800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  114.776609][  T994] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.777033][  T994] CR2: 00000000004a1738 CR3: 000000000b94c006 CR4: 0000000000772ef0
[  114.777532][  T994] PKRU: 55555554
[  114.777804][  T994] Call Trace:
[  114.778057][  T994]  <TASK>
[ 114.778241][ T994] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.778598][ T994] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.778948][ T994] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.779354][ T994] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.779702][ T994] netif_set_mtu (net/core/dev.c:9652) 
[ 114.780030][ T994] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.780375][ T994] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.780854][ T994] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.781110][ T994] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.781563][ T994] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.781957][ T994] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 114.782291][ T994] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.782645][ T994] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.782982][ T994] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.783309][ T994] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.783645][ T994] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.783984][ T994] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.784325][ T994] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.784664][ T994] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.785012][ T994] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.785371][ T994] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.785724][ T994] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.786065][ T994] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.786397][ T994] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.786775][ T994] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.787105][ T994] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.787434][ T994] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.787791][ T994] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.788137][ T994] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.788479][ T994] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.788827][ T994] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.789174][ T994] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.789509][ T994] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.789854][ T994] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 114.790186][ T994] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.790520][ T994] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.790866][ T994] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.791198][ T994] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.791525][ T994] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.791884][ T994] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.792230][ T994] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.792560][ T994] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.792988][ T994] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.793378][ T994] ___sys_sendmsg (net/socket.c:2670) 
[ 114.793735][ T994] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.794082][ T994] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.794453][ T994] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.794812][ T994] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.795163][ T994] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.795512][ T994] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.795862][ T994] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.796232][ T994] __sys_sendmsg (net/socket.c:2700) 
[ 114.796598][ T994] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.796954][ T994] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.797317][ T994] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.797678][ T994] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.798026][ T994] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.798372][ T994] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.798821][  T994] RIP: 0033:0x7f1b618181e7
[ 114.799193][ T994] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.800397][  T994] RSP: 002b:00007fff5cc303d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.800923][  T994] RAX: ffffffffffffffda RBX: 00007fff5cc30b00 RCX: 00007f1b618181e7
[  114.801446][  T994] RDX: 0000000000000000 RSI: 00007fff5cc30440 RDI: 0000000000000005
[  114.801967][  T994] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.802487][  T994] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff5cc30b38
[  114.803007][  T994] R13: 00000000686e5e38 R14: 0000000000499600 R15: 0000000000000000
| [  114.941767][  T995] ------------[ cut here ]------------
| [ 114.942110][ T995] WARNING: CPU: 3 PID: 995 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.943018][  T995] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.944202][  T995] Tainted: [W]=WARN
[  114.944459][  T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.944896][ T995] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.945242][ T995] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.946431][  T995] RSP: 0018:ffffc90000717080 EFLAGS: 00010246
[  114.946866][  T995] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  114.947370][  T995] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  114.947872][  T995] RBP: ffffc90000717168 R08: 0000000000000000 R09: 0000000000000000
[  114.948373][  T995] R10: ffffc90000717198 R11: ffffffff9a8a8918 R12: 1ffff920000e2e14
[  114.948897][  T995] R13: 00000000000005dc R14: ffffc90000717198 R15: ffff888004dd2f08
[  114.949413][  T995] FS:  00007f895c5e2800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  114.950002][  T995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.950421][  T995] CR2: 000055e0f3b51e20 CR3: 000000000593d005 CR4: 0000000000772ef0
[  114.950924][  T995] PKRU: 55555554
[  114.951175][  T995] Call Trace:
[  114.951424][  T995]  <TASK>
[ 114.951610][ T995] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.951954][ T995] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.952289][ T995] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.952711][ T995] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.953042][ T995] netif_set_mtu (net/core/dev.c:9652) 
[ 114.953382][ T995] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.953734][ T995] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.954223][ T995] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.954480][ T995] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.954940][ T995] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.955314][ T995] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 114.955656][ T995] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.955999][ T995] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.956340][ T995] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.956678][ T995] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.957011][ T995] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.957346][ T995] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.957687][ T995] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.958015][ T995] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.958353][ T995] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.958719][ T995] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.959060][ T995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.959399][ T995] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.959720][ T995] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.960043][ T995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.960365][ T995] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.960706][ T995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.961043][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.961384][ T995] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.961724][ T995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.962061][ T995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.962404][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.962744][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.963078][ T995] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 114.963412][ T995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.963755][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.964093][ T995] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.964426][ T995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.964765][ T995] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.965121][ T995] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.965463][ T995] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.965799][ T995] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.966224][ T995] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.966564][ T995] ___sys_sendmsg (net/socket.c:2670) 
[ 114.966907][ T995] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.967244][ T995] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.967585][ T995] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.967918][ T995] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.968262][ T995] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.968626][ T995] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.968983][ T995] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.969334][ T995] __sys_sendmsg (net/socket.c:2700) 
[ 114.969680][ T995] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.970011][ T995] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.970355][ T995] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.970698][ T995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.971016][ T995] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.971336][ T995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.971738][  T995] RIP: 0033:0x7f895c7af1e7
[ 114.972064][ T995] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.973259][  T995] RSP: 002b:00007ffe49769338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.973785][  T995] RAX: ffffffffffffffda RBX: 00007ffe49769a60 RCX: 00007f895c7af1e7
[  114.974286][  T995] RDX: 0000000000000000 RSI: 00007ffe497693a0 RDI: 0000000000000005
[  114.974803][  T995] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.975309][  T995] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe49769a98
[  114.975814][  T995] R13: 00000000686e5e38 R14: 0000000000499600 R15: 0000000000000000
| [  115.124478][  T997] ------------[ cut here ]------------
| [ 115.124951][ T997] WARNING: CPU: 1 PID: 997 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.125859][  T997] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.127138][  T997] Tainted: [W]=WARN
[  115.127391][  T997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.127811][ T997] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.128152][ T997] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  115.129523][  T997] RSP: 0018:ffffc90001ce7080 EFLAGS: 00010246
[  115.130194][  T997] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  115.131315][  T997] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  115.132250][  T997] RBP: ffffc90001ce7168 R08: 0000000000000000 R09: 0000000000000000
[  115.133109][  T997] R10: ffffc90001ce7198 R11: ffffffff9a8a8918 R12: 1ffff9200039ce14
[  115.133694][  T997] R13: 00000000000005dc R14: ffffc90001ce7198 R15: ffff888004dd2f08
[  115.134206][  T997] FS:  00007fd57b2ae800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  115.134984][  T997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.135723][  T997] CR2: 00007efe48181e80 CR3: 0000000004f09006 CR4: 0000000000772ef0
[  115.136596][  T997] PKRU: 55555554
[  115.137023][  T997] Call Trace:
[  115.137458][  T997]  <TASK>
[ 115.137784][ T997] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.138354][ T997] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.138714][ T997] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.139137][ T997] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.139468][ T997] netif_set_mtu (net/core/dev.c:9652) 
[ 115.139818][ T997] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.140176][ T997] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.140641][ T997] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.140894][ T997] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.141640][ T997] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.142296][ T997] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 115.142904][ T997] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.143477][ T997] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.144075][ T997] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.144654][ T997] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.145111][ T997] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.145441][ T997] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.145866][ T997] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.146440][ T997] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.147045][ T997] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.147662][ T997] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.148118][ T997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.148472][ T997] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.148816][ T997] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.149177][ T997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.149761][ T997] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.150343][ T997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.150717][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.151082][ T997] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.151420][ T997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.151771][ T997] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.152275][ T997] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.152719][ T997] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.153064][ T997] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 115.153404][ T997] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.153749][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.154103][ T997] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.154439][ T997] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.154784][ T997] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.155339][ T997] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.155919][ T997] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.156500][ T997] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.157243][ T997] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.157859][ T997] ___sys_sendmsg (net/socket.c:2670) 
[ 115.158456][ T997] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.159054][ T997] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.159660][ T997] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.160229][ T997] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.160686][ T997] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.161031][ T997] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.161460][ T997] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.162040][ T997] __sys_sendmsg (net/socket.c:2700) 
[ 115.162640][ T997] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.163198][ T997] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 115.163814][ T997] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 115.164409][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.165015][ T997] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.165585][ T997] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.166279][  T997] RIP: 0033:0x7fd57b47b1e7
[ 115.166871][ T997] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.168904][  T997] RSP: 002b:00007ffd2e0beac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.169795][  T997] RAX: ffffffffffffffda RBX: 00007ffd2e0bf1f0 RCX: 00007fd57b47b1e7
[  115.170610][  T997] RDX: 0000000000000000 RSI: 00007ffd2e0beb30 RDI: 0000000000000005
[  115.171457][  T997] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.172334][  T997] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd2e0bf228
[  115.173185][  T997] R13: 00000000686e5e38 R14: 0000000000499600 R15: 0000000000000000
| [  115.543766][ T1003] ------------[ cut here ]------------
| [ 115.544142][ T1003] WARNING: CPU: 2 PID: 1003 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.546313][ T1003] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.547585][ T1003] Tainted: [W]=WARN
[  115.547849][ T1003] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.548263][ T1003] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.548641][ T1003] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  115.549842][ T1003] RSP: 0018:ffffc900022c7080 EFLAGS: 00010246
[  115.550302][ T1003] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  115.550797][ T1003] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  115.551290][ T1003] RBP: ffffc900022c7168 R08: 0000000000000000 R09: 0000000000000000
[  115.551806][ T1003] R10: ffffc900022c7198 R11: ffffffff9a8a8918 R12: 1ffff92000458e14
[  115.552307][ T1003] R13: 00000000000005dc R14: ffffc900022c7198 R15: ffff888010c9af08
[  115.552814][ T1003] FS:  00007ff62571b800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  115.553405][ T1003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.553839][ T1003] CR2: 00000000004a1738 CR3: 000000000f240005 CR4: 0000000000772ef0
[  115.554341][ T1003] PKRU: 55555554
[  115.554606][ T1003] Call Trace:
[  115.554863][ T1003]  <TASK>
[ 115.555048][ T1003] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.555406][ T1003] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.555789][ T1003] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.556215][ T1003] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.556557][ T1003] netif_set_mtu (net/core/dev.c:9652) 
[ 115.556899][ T1003] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.557239][ T1003] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.557698][ T1003] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.557998][ T1003] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.558460][ T1003] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.558870][ T1003] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 115.559209][ T1003] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.559548][ T1003] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.559897][ T1003] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.560234][ T1003] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.560576][ T1003] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.560917][ T1003] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.561250][ T1003] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.561595][ T1003] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.561941][ T1003] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.562292][ T1003] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.562636][ T1003] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.562985][ T1003] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.563319][ T1003] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.563667][ T1003] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.564005][ T1003] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.564345][ T1003] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.564695][ T1003] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.565042][ T1003] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.565395][ T1003] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.565743][ T1003] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.566104][ T1003] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.566447][ T1003] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.566797][ T1003] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 115.567134][ T1003] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.567473][ T1003] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.567825][ T1003] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.568168][ T1003] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.568585][ T1003] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.568951][ T1003] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.569317][ T1003] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.569908][ T1003] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.570333][ T1003] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.570684][ T1003] ___sys_sendmsg (net/socket.c:2670) 
[ 115.571033][ T1003] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.571622][ T1003] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.571968][ T1003] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.572313][ T1003] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.572912][ T1003] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.573264][ T1003] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.573626][ T1003] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.574011][ T1003] __sys_sendmsg (net/socket.c:2700) 
[ 115.574372][ T1003] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.574739][ T1003] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 115.575098][ T1003] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 115.575458][ T1003] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.576071][ T1003] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.576422][ T1003] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.576880][ T1003] RIP: 0033:0x7ff6258e81e7
[ 115.577243][ T1003] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.578448][ T1003] RSP: 002b:00007ffc10524f88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.578958][ T1003] RAX: ffffffffffffffda RBX: 00007ffc105256b0 RCX: 00007ff6258e81e7
[  115.579449][ T1003] RDX: 0000000000000000 RSI: 00007ffc10524ff0 RDI: 0000000000000005
[  115.579948][ T1003] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.580694][ T1003] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc105256e8
[  115.581187][ T1003] R13: 00000000686e5e39 R14: 0000000000499600 R15: 0000000000000000
| [  115.741196][ T1004] ------------[ cut here ]------------
| [ 115.741562][ T1004] WARNING: CPU: 2 PID: 1004 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.742274][ T1004] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.743589][ T1004] Tainted: [W]=WARN
[  115.743884][ T1004] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.744343][ T1004] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.744738][ T1004] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  115.746022][ T1004] RSP: 0018:ffffc90000777080 EFLAGS: 00010246
[  115.746483][ T1004] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  115.747010][ T1004] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  115.747505][ T1004] RBP: ffffc90000777168 R08: 0000000000000000 R09: 0000000000000000
[  115.748033][ T1004] R10: ffffc90000777198 R11: ffffffff9a8a8918 R12: 1ffff920000eee14
[  115.748561][ T1004] R13: 00000000000005dc R14: ffffc90000777198 R15: ffff888010c9af08
[  115.749092][ T1004] FS:  00007f4269e03800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  115.749703][ T1004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.750129][ T1004] CR2: 00000000004a1738 CR3: 000000000a97d001 CR4: 0000000000772ef0
[  115.750644][ T1004] PKRU: 55555554
[  115.750898][ T1004] Call Trace:
[  115.751147][ T1004]  <TASK>
[ 115.751324][ T1004] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.751675][ T1004] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.752010][ T1004] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.752426][ T1004] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.752783][ T1004] netif_set_mtu (net/core/dev.c:9652) 
[ 115.753130][ T1004] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.753499][ T1004] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.753990][ T1004] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.754255][ T1004] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.754731][ T1004] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.755107][ T1004] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 115.755448][ T1004] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.755805][ T1004] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.756167][ T1004] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.756508][ T1004] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.756869][ T1004] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.757200][ T1004] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.757552][ T1004] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.757890][ T1004] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.758229][ T1004] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.758615][ T1004] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.758960][ T1004] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.759322][ T1004] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.759673][ T1004] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.760022][ T1004] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.760372][ T1004] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.760732][ T1004] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.761076][ T1004] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.761423][ T1004] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.761774][ T1004] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.762108][ T1004] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.762452][ T1004] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.762797][ T1004] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.763167][ T1004] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 115.763519][ T1004] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.763871][ T1004] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.764219][ T1004] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.764577][ T1004] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.764931][ T1004] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.765298][ T1004] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.765667][ T1004] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.766015][ T1004] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.766453][ T1004] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.766831][ T1004] ___sys_sendmsg (net/socket.c:2670) 
[ 115.767200][ T1004] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.767558][ T1004] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.767947][ T1004] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.768309][ T1004] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.768687][ T1004] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.769051][ T1004] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.769401][ T1004] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.769781][ T1004] __sys_sendmsg (net/socket.c:2700) 
[ 115.770130][ T1004] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.770475][ T1004] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 115.770844][ T1004] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 115.771194][ T1004] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.771557][ T1004] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.771924][ T1004] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.772384][ T1004] RIP: 0033:0x7f4269fd01e7
[ 115.772775][ T1004] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.774016][ T1004] RSP: 002b:00007ffff6c84d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.774552][ T1004] RAX: ffffffffffffffda RBX: 00007ffff6c854b0 RCX: 00007f4269fd01e7
[  115.775078][ T1004] RDX: 0000000000000000 RSI: 00007ffff6c84df0 RDI: 0000000000000005
[  115.775643][ T1004] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.776173][ T1004] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff6c854e8
[  115.776715][ T1004] R13: 00000000686e5e39 R14: 0000000000499600 R15: 0000000000000000
| [  115.940773][ T1006] ------------[ cut here ]------------
| [ 115.941268][ T1006] WARNING: CPU: 2 PID: 1006 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.942198][ T1006] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.943788][ T1006] Tainted: [W]=WARN
[  115.944245][ T1006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.944967][ T1006] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.945584][ T1006] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  115.947628][ T1006] RSP: 0018:ffffc90000777080 EFLAGS: 00010246
[  115.948093][ T1006] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  115.948651][ T1006] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  115.949176][ T1006] RBP: ffffc90000777168 R08: 0000000000000000 R09: 0000000000000000
[  115.949699][ T1006] R10: ffffc90000777198 R11: ffffffff9a8a8918 R12: 1ffff920000eee14
[  115.950399][ T1006] R13: 00000000000005dc R14: ffffc90000777198 R15: ffff888010c9af08
[  115.951297][ T1006] FS:  00007eff74f3b800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  115.952332][ T1006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.953079][ T1006] CR2: 00007eff75200430 CR3: 000000000bae8004 CR4: 0000000000772ef0
[  115.954014][ T1006] PKRU: 55555554
[  115.954459][ T1006] Call Trace:
[  115.954910][ T1006]  <TASK>
[ 115.955229][ T1006] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.955837][ T1006] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.956419][ T1006] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.957162][ T1006] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.957763][ T1006] netif_set_mtu (net/core/dev.c:9652) 
[ 115.958360][ T1006] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.959001][ T1006] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.959807][ T1006] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.960258][ T1006] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.961073][ T1006] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.961757][ T1006] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 115.962341][ T1006] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.962964][ T1006] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.963586][ T1006] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.964165][ T1006] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.964774][ T1006] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.965384][ T1006] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.966026][ T1006] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.966656][ T1006] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.967269][ T1006] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.967919][ T1006] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.968544][ T1006] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.969190][ T1006] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.969819][ T1006] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.970430][ T1006] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.971053][ T1006] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.971693][ T1006] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.972318][ T1006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.972949][ T1006] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.973558][ T1006] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.974191][ T1006] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.974838][ T1006] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.975450][ T1006] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.976078][ T1006] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 115.976700][ T1006] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.977322][ T1006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.977964][ T1006] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.978620][ T1006] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.979225][ T1006] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.979870][ T1006] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.980470][ T1006] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.981066][ T1006] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.981841][ T1006] ___sys_sendmsg (net/socket.c:2670) 
[ 115.982420][ T1006] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.983027][ T1006] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 115.983638][ T1006] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 115.984200][ T1006] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 115.984814][ T1006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.985409][ T1006] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.986461][ T1006] __sys_sendmsg (net/socket.c:2700) 
[ 115.987065][ T1006] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.987701][ T1006] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.989206][ T1006] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.990253][ T1006] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.991429][ T1006] RIP: 0033:0x7eff751081e7
[ 115.992044][ T1006] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.994975][ T1006] RSP: 002b:00007ffd237ab758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.995899][ T1006] RAX: ffffffffffffffda RBX: 00007ffd237abe80 RCX: 00007eff751081e7
[  115.996803][ T1006] RDX: 0000000000000000 RSI: 00007ffd237ab7c0 RDI: 0000000000000005
[  115.997677][ T1006] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.998557][ T1006] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd237abeb8
[  116.000345][ T1006] R13: 00000000686e5e39 R14: 0000000000499600 R15: 0000000000000000
| [  116.179288][ T1008] ------------[ cut here ]------------
| [ 116.179626][ T1008] WARNING: CPU: 3 PID: 1008 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.180278][ T1008] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.181474][ T1008] Tainted: [W]=WARN
[  116.181721][ T1008] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.182118][ T1008] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.182443][ T1008] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  116.183594][ T1008] RSP: 0018:ffffc900006e7080 EFLAGS: 00010246
[  116.184006][ T1008] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  116.184498][ T1008] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  116.184980][ T1008] RBP: ffffc900006e7168 R08: 0000000000000000 R09: 0000000000000000
[  116.185459][ T1008] R10: ffffc900006e7198 R11: ffffffff9a8a8918 R12: 1ffff920000dce14
[  116.185974][ T1008] R13: 00000000000005dc R14: ffffc900006e7198 R15: ffff888010c9af08
[  116.186449][ T1008] FS:  00007ff3b8698800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  116.187034][ T1008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.187428][ T1008] CR2: 000055e0f3b53078 CR3: 000000000f79e005 CR4: 0000000000772ef0
[  116.187940][ T1008] PKRU: 55555554
[  116.188215][ T1008] Call Trace:
[  116.188471][ T1008]  <TASK>
[ 116.188651][ T1008] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.189007][ T1008] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.189358][ T1008] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.189774][ T1008] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.190133][ T1008] netif_set_mtu (net/core/dev.c:9652) 
[ 116.190480][ T1008] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.190833][ T1008] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.191271][ T1008] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.191517][ T1008] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.191988][ T1008] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.192352][ T1008] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 116.192714][ T1008] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.193062][ T1008] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.193391][ T1008] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.193751][ T1008] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.194069][ T1008] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.194415][ T1008] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.194745][ T1008] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.195091][ T1008] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.195413][ T1008] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.195784][ T1008] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.196105][ T1008] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.196432][ T1008] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.196784][ T1008] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.197128][ T1008] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.197440][ T1008] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.197790][ T1008] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.198126][ T1008] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.198459][ T1008] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.198814][ T1008] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.199136][ T1008] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.199462][ T1008] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.199784][ T1008] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.200117][ T1008] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 116.200437][ T1008] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.200756][ T1008] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.201081][ T1008] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.201407][ T1008] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.201740][ T1008] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.202073][ T1008] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.202413][ T1008] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.202749][ T1008] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.203174][ T1008] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.203517][ T1008] ___sys_sendmsg (net/socket.c:2670) 
[ 116.203863][ T1008] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.204201][ T1008] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.204537][ T1008] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.204880][ T1008] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.205212][ T1008] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.205534][ T1008] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.205860][ T1008] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.206198][ T1008] __sys_sendmsg (net/socket.c:2700) 
[ 116.206517][ T1008] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.206851][ T1008] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 116.207177][ T1008] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 116.207493][ T1008] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.207821][ T1008] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.208142][ T1008] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.208547][ T1008] RIP: 0033:0x7ff3b88651e7
[ 116.208880][ T1008] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  116.210020][ T1008] RSP: 002b:00007fffac6b8548 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.210523][ T1008] RAX: ffffffffffffffda RBX: 00007fffac6b8c70 RCX: 00007ff3b88651e7
[  116.211037][ T1008] RDX: 0000000000000000 RSI: 00007fffac6b85b0 RDI: 0000000000000005
[  116.211518][ T1008] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.212000][ T1008] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffac6b8ca8
[  116.212473][ T1008] R13: 00000000686e5e39 R14: 0000000000499600 R15: 0000000000000000
| [  116.349337][ T1010] ------------[ cut here ]------------
| [ 116.349678][ T1010] WARNING: CPU: 3 PID: 1010 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.350334][ T1010] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.351559][ T1010] Tainted: [W]=WARN
[  116.351816][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.352235][ T1010] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.352593][ T1010] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  116.353739][ T1010] RSP: 0018:ffffc900006e7080 EFLAGS: 00010246
[  116.354143][ T1010] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  116.354686][ T1010] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  116.355195][ T1010] RBP: ffffc900006e7168 R08: 0000000000000000 R09: 0000000000000000
[  116.355699][ T1010] R10: ffffc900006e7198 R11: ffffffff9a8a8918 R12: 1ffff920000dce14
[  116.356201][ T1010] R13: 00000000000005dc R14: ffffc900006e7198 R15: ffff888010c9af08
[  116.356686][ T1010] FS:  00007fee4959a800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  116.357274][ T1010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.357714][ T1010] CR2: 00000000004a1738 CR3: 000000000f2fb001 CR4: 0000000000772ef0
[  116.358222][ T1010] PKRU: 55555554
[  116.358479][ T1010] Call Trace:
[  116.358727][ T1010]  <TASK>
[ 116.358892][ T1010] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.359222][ T1010] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.359542][ T1010] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.359949][ T1010] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.360290][ T1010] netif_set_mtu (net/core/dev.c:9652) 
[ 116.360623][ T1010] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.360967][ T1010] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.361414][ T1010] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.361714][ T1010] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.362183][ T1010] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.362555][ T1010] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 116.362923][ T1010] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.363267][ T1010] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.363596][ T1010] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.363908][ T1010] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.364225][ T1010] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.364550][ T1010] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.364897][ T1010] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.365220][ T1010] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.365548][ T1010] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.365891][ T1010] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.366223][ T1010] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.366560][ T1010] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.366900][ T1010] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.367228][ T1010] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.367555][ T1010] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.367896][ T1010] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.368231][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.368611][ T1010] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.368941][ T1010] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.369294][ T1010] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.369637][ T1010] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.369959][ T1010] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.370283][ T1010] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 116.370627][ T1010] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.370965][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.371309][ T1010] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.371654][ T1010] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.371983][ T1010] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.372312][ T1010] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.372655][ T1010] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.372982][ T1010] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.373392][ T1010] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.373740][ T1010] ___sys_sendmsg (net/socket.c:2670) 
[ 116.374077][ T1010] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.374394][ T1010] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.374723][ T1010] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.375054][ T1010] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.375386][ T1010] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.375728][ T1010] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.376063][ T1010] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.376405][ T1010] __sys_sendmsg (net/socket.c:2700) 
[ 116.376738][ T1010] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.377069][ T1010] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 116.377399][ T1010] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 116.377727][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.378066][ T1010] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.378389][ T1010] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.378811][ T1010] RIP: 0033:0x7fee497671e7
[ 116.379144][ T1010] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  116.380313][ T1010] RSP: 002b:00007ffd22faee78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.380820][ T1010] RAX: ffffffffffffffda RBX: 00007ffd22faf5a0 RCX: 00007fee497671e7
[  116.381321][ T1010] RDX: 0000000000000000 RSI: 00007ffd22faeee0 RDI: 0000000000000005
[  116.381827][ T1010] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.382308][ T1010] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd22faf5d8
[  116.382852][ T1010] R13: 00000000686e5e3a R14: 0000000000499600 R15: 0000000000000000
| [  116.565360][ T1012] ------------[ cut here ]------------
| [ 116.565785][ T1012] WARNING: CPU: 1 PID: 1012 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.566423][ T1012] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.567598][ T1012] Tainted: [W]=WARN
[  116.567838][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.568234][ T1012] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.568598][ T1012] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  116.569764][ T1012] RSP: 0000:ffffc900006e7080 EFLAGS: 00010246
[  116.570176][ T1012] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  116.570660][ T1012] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  116.571143][ T1012] RBP: ffffc900006e7168 R08: 0000000000000000 R09: 0000000000000000
[  116.571624][ T1012] R10: ffffc900006e7198 R11: ffffffff9a8a8918 R12: 1ffff920000dce14
[  116.572101][ T1012] R13: 00000000000005dc R14: ffffc900006e7198 R15: ffff888010c9af08
[  116.572584][ T1012] FS:  00007fb05d76d800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  116.573131][ T1012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.573526][ T1012] CR2: 00007efe48212c94 CR3: 000000000f7a4006 CR4: 0000000000772ef0
[  116.574021][ T1012] PKRU: 55555554
[  116.574265][ T1012] Call Trace:
[  116.574506][ T1012]  <TASK>
[ 116.574684][ T1012] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.575066][ T1012] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.575402][ T1012] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.575828][ T1012] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.576164][ T1012] netif_set_mtu (net/core/dev.c:9652) 
[ 116.576502][ T1012] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.576856][ T1012] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.577317][ T1012] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.577580][ T1012] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.578028][ T1012] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.578404][ T1012] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 116.578760][ T1012] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.579094][ T1012] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.579429][ T1012] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.579766][ T1012] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.580095][ T1012] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.580433][ T1012] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.580791][ T1012] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.581130][ T1012] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.581466][ T1012] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.581815][ T1012] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.582153][ T1012] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.582497][ T1012] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.582862][ T1012] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.583208][ T1012] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.583543][ T1012] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.583884][ T1012] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.584215][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.584548][ T1012] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.584885][ T1012] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.585211][ T1012] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.585553][ T1012] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.585898][ T1012] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.586233][ T1012] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 116.586565][ T1012] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.586906][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.587243][ T1012] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.587583][ T1012] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.587917][ T1012] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.588257][ T1012] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.588608][ T1012] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.588938][ T1012] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.589356][ T1012] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.589699][ T1012] ___sys_sendmsg (net/socket.c:2670) 
[ 116.590051][ T1012] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.590383][ T1012] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.590727][ T1012] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.591060][ T1012] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.591393][ T1012] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.591731][ T1012] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.592056][ T1012] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.592401][ T1012] __sys_sendmsg (net/socket.c:2700) 
[ 116.592738][ T1012] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.593072][ T1012] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 116.593408][ T1012] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 116.593748][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.594081][ T1012] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.594408][ T1012] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.594825][ T1012] RIP: 0033:0x7fb05d93a1e7
[ 116.595161][ T1012] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  116.596288][ T1012] RSP: 002b:00007fffdb6f1ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.596769][ T1012] RAX: ffffffffffffffda RBX: 00007fffdb6f23d0 RCX: 00007fb05d93a1e7
[  116.597237][ T1012] RDX: 0000000000000000 RSI: 00007fffdb6f1d10 RDI: 0000000000000005
[  116.597720][ T1012] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.598189][ T1012] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffdb6f2408
[  116.598675][ T1012] R13: 00000000686e5e3a R14: 0000000000499600 R15: 0000000000000000
| [  116.793214][ T1014] ------------[ cut here ]------------
| [ 116.793562][ T1014] WARNING: CPU: 2 PID: 1014 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.794262][ T1014] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.795499][ T1014] Tainted: [W]=WARN
[  116.795787][ T1014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.796228][ T1014] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.796606][ T1014] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  116.797827][ T1014] RSP: 0000:ffffc90000707080 EFLAGS: 00010246
[  116.798258][ T1014] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  116.798785][ T1014] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  116.799308][ T1014] RBP: ffffc90000707168 R08: 0000000000000000 R09: 0000000000000000
[  116.799833][ T1014] R10: ffffc90000707198 R11: ffffffff9a8a8918 R12: 1ffff920000e0e14
[  116.800345][ T1014] R13: 00000000000005dc R14: ffffc90000707198 R15: ffff888010c9af08
[  116.801020][ T1014] FS:  00007f3553aab800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  116.801654][ T1014] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.802088][ T1014] CR2: 00007efe48086240 CR3: 000000000bc7d005 CR4: 0000000000772ef0
[  116.802610][ T1014] PKRU: 55555554
[  116.802870][ T1014] Call Trace:
[  116.803131][ T1014]  <TASK>
[ 116.803316][ T1014] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.803674][ T1014] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.804020][ T1014] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.804444][ T1014] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.804803][ T1014] netif_set_mtu (net/core/dev.c:9652) 
[ 116.805150][ T1014] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.805514][ T1014] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.805998][ T1014] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.806275][ T1014] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.806743][ T1014] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.807130][ T1014] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 116.807475][ T1014] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.807834][ T1014] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.808189][ T1014] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.808546][ T1014] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.808904][ T1014] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.809252][ T1014] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.809614][ T1014] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.809957][ T1014] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.810306][ T1014] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.810681][ T1014] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.811041][ T1014] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.811398][ T1014] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.811749][ T1014] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.812100][ T1014] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.812443][ T1014] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.812797][ T1014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.813146][ T1014] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.813591][ T1014] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.813938][ T1014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.814269][ T1014] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.814625][ T1014] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.814955][ T1014] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.815287][ T1014] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 116.815637][ T1014] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.815975][ T1014] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.816319][ T1014] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.816676][ T1014] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.817011][ T1014] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.817360][ T1014] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.817708][ T1014] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.818048][ T1014] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.818483][ T1014] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.818829][ T1014] ___sys_sendmsg (net/socket.c:2670) 
[ 116.819164][ T1014] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.819495][ T1014] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.819837][ T1014] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.820176][ T1014] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.820521][ T1014] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.820863][ T1014] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.821192][ T1014] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.821537][ T1014] __sys_sendmsg (net/socket.c:2700) 
[ 116.821884][ T1014] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.822213][ T1014] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 116.822574][ T1014] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 116.822908][ T1014] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.823716][ T1014] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.824042][ T1014] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.824444][ T1014] RIP: 0033:0x7f3553c781e7
[ 116.824794][ T1014] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  116.825937][ T1014] RSP: 002b:00007ffe4864ec38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.826425][ T1014] RAX: ffffffffffffffda RBX: 00007ffe4864f360 RCX: 00007f3553c781e7
[  116.826924][ T1014] RDX: 0000000000000000 RSI: 00007ffe4864eca0 RDI: 0000000000000005
[  116.827417][ T1014] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.827911][ T1014] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe4864f398
[  116.828401][ T1014] R13: 00000000686e5e3a R14: 0000000000499600 R15: 0000000000000000
| [  117.012629][ T1017] ------------[ cut here ]------------
| [ 117.012970][ T1017] WARNING: CPU: 2 PID: 1017 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  117.013644][ T1017] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.014829][ T1017] Tainted: [W]=WARN
[  117.015084][ T1017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.015500][ T1017] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 117.015852][ T1017] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  117.017023][ T1017] RSP: 0018:ffffc90000707080 EFLAGS: 00010246
[  117.017435][ T1017] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  117.017941][ T1017] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  117.018434][ T1017] RBP: ffffc90000707168 R08: 0000000000000000 R09: 0000000000000000
[  117.018929][ T1017] R10: ffffc90000707198 R11: ffffffff9a8a8918 R12: 1ffff920000e0e14
[  117.019417][ T1017] R13: 00000000000005dc R14: ffffc90000707198 R15: ffff888010c9af08
[  117.019910][ T1017] FS:  00007ff98f8ab800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  117.020478][ T1017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.020897][ T1017] CR2: 00000000004669c0 CR3: 000000000dee5005 CR4: 0000000000772ef0
[  117.021384][ T1017] PKRU: 55555554
[  117.021649][ T1017] Call Trace:
[  117.021900][ T1017]  <TASK>
[ 117.022077][ T1017] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.022421][ T1017] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.022763][ T1017] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.023170][ T1017] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.023500][ T1017] netif_set_mtu (net/core/dev.c:9652) 
[ 117.023855][ T1017] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.024205][ T1017] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.024668][ T1017] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.024920][ T1017] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.025360][ T1017] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.025740][ T1017] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 117.026071][ T1017] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.026409][ T1017] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.026754][ T1017] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.027078][ T1017] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.027405][ T1017] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.027741][ T1017] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.028076][ T1017] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.028408][ T1017] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.028788][ T1017] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.029138][ T1017] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.029475][ T1017] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.029829][ T1017] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.030156][ T1017] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.030485][ T1017] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.030820][ T1017] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.031148][ T1017] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.031486][ T1017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.031828][ T1017] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.032160][ T1017] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.032492][ T1017] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.032844][ T1017] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.033170][ T1017] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 117.033505][ T1017] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 117.033847][ T1017] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.034178][ T1017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.034559][ T1017] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.034910][ T1017] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.035235][ T1017] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.035583][ T1017] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.035916][ T1017] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.036245][ T1017] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.036662][ T1017] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.036997][ T1017] ___sys_sendmsg (net/socket.c:2670) 
[ 117.037324][ T1017] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.037660][ T1017] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.037987][ T1017] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.038316][ T1017] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.038683][ T1017] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.039009][ T1017] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.039338][ T1017] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.039697][ T1017] __sys_sendmsg (net/socket.c:2700) 
[ 117.040027][ T1017] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.040354][ T1017] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 117.040705][ T1017] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 117.041050][ T1017] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.041391][ T1017] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.041739][ T1017] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.042143][ T1017] RIP: 0033:0x7ff98fa781e7
[ 117.042479][ T1017] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  117.043637][ T1017] RSP: 002b:00007ffc9c204dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.044145][ T1017] RAX: ffffffffffffffda RBX: 00007ffc9c205500 RCX: 00007ff98fa781e7
[  117.044665][ T1017] RDX: 0000000000000000 RSI: 00007ffc9c204e40 RDI: 0000000000000005
[  117.045157][ T1017] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.045660][ T1017] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9c205538
[  117.046144][ T1017] R13: 00000000686e5e3a R14: 0000000000499600 R15: 0000000000000000
| [  117.176786][ T1018] ------------[ cut here ]------------
| [ 117.177099][ T1018] WARNING: CPU: 0 PID: 1018 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  117.177758][ T1018] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.178907][ T1018] Tainted: [W]=WARN
[  117.179147][ T1018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.179544][ T1018] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 117.179880][ T1018] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  117.181011][ T1018] RSP: 0018:ffffc90000707080 EFLAGS: 00010246
[  117.181415][ T1018] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  117.181896][ T1018] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  117.182374][ T1018] RBP: ffffc90000707168 R08: 0000000000000000 R09: 0000000000000000
[  117.182853][ T1018] R10: ffffc90000707198 R11: ffffffff9a8a8918 R12: 1ffff920000e0e14
[  117.183334][ T1018] R13: 00000000000005dc R14: ffffc90000707198 R15: ffff888010c9af08
[  117.183814][ T1018] FS:  00007f637f856800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  117.184368][ T1018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.184788][ T1018] CR2: 00000000004a1738 CR3: 000000000ddb5001 CR4: 0000000000772ef0
[  117.185265][ T1018] PKRU: 55555554
[  117.185498][ T1018] Call Trace:
[  117.185740][ T1018]  <TASK>
[ 117.185903][ T1018] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.186224][ T1018] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.186547][ T1018] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.186946][ T1018] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.187261][ T1018] netif_set_mtu (net/core/dev.c:9652) 
[ 117.187588][ T1018] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.187921][ T1018] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.188354][ T1018] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.188615][ T1018] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.189036][ T1018] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.189391][ T1018] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 117.189740][ T1018] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.190067][ T1018] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.190388][ T1018] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.190724][ T1018] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.191040][ T1018] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.191363][ T1018] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.191756][ T1018] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.192077][ T1018] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.192405][ T1018] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.192759][ T1018] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.193080][ T1018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.193409][ T1018] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.193754][ T1018] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.194074][ T1018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.194388][ T1018] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.194734][ T1018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.195054][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.195389][ T1018] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.195739][ T1018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.196064][ T1018] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.196398][ T1018] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.196740][ T1018] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 117.197060][ T1018] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 117.197378][ T1018] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.197713][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.198054][ T1018] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.198372][ T1018] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.198735][ T1018] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.199064][ T1018] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.199384][ T1018] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.199707][ T1018] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.200120][ T1018] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.200443][ T1018] ___sys_sendmsg (net/socket.c:2670) 
[ 117.200784][ T1018] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.201104][ T1018] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.201425][ T1018] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.201751][ T1018] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.202090][ T1018] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.202423][ T1018] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.202750][ T1018] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.203097][ T1018] __sys_sendmsg (net/socket.c:2700) 
[ 117.203424][ T1018] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.203755][ T1018] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 117.204117][ T1018] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 117.204444][ T1018] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.204776][ T1018] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.205114][ T1018] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.205508][ T1018] RIP: 0033:0x7f637fa231e7
[ 117.205842][ T1018] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  117.207008][ T1018] RSP: 002b:00007ffc47831dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.207488][ T1018] RAX: ffffffffffffffda RBX: 00007ffc47832500 RCX: 00007f637fa231e7
[  117.207979][ T1018] RDX: 0000000000000000 RSI: 00007ffc47831e40 RDI: 0000000000000005
[  117.208468][ T1018] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.208964][ T1018] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc47832538
[  117.209442][ T1018] R13: 00000000686e5e3a R14: 0000000000499600 R15: 0000000000000000
| [  117.383899][ T1020] ------------[ cut here ]------------
| [ 117.384266][ T1020] WARNING: CPU: 3 PID: 1020 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  117.385023][ T1020] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.386298][ T1020] Tainted: [W]=WARN
[  117.386578][ T1020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.387025][ T1020] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 117.387402][ T1020] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  117.388707][ T1020] RSP: 0018:ffffc90000707080 EFLAGS: 00010246
[  117.389165][ T1020] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  117.389709][ T1020] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  117.390246][ T1020] RBP: ffffc90000707168 R08: 0000000000000000 R09: 0000000000000000
[  117.390793][ T1020] R10: ffffc90000707198 R11: ffffffff9a8a8918 R12: 1ffff920000e0e14
[  117.391325][ T1020] R13: 00000000000005dc R14: ffffc90000707198 R15: ffff888010c9af08
[  117.391886][ T1020] FS:  00007f54ac73f800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  117.392513][ T1020] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.392979][ T1020] CR2: 000055e0f3b1a5b0 CR3: 000000000a3c7006 CR4: 0000000000772ef0
[  117.393515][ T1020] PKRU: 55555554
[  117.393796][ T1020] Call Trace:
[  117.394077][ T1020]  <TASK>
[ 117.394271][ T1020] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.394654][ T1020] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.395025][ T1020] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.395483][ T1020] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.395865][ T1020] netif_set_mtu (net/core/dev.c:9652) 
[ 117.396231][ T1020] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.396617][ T1020] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.397112][ T1020] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.397381][ T1020] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.397867][ T1020] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.398269][ T1020] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 117.398650][ T1020] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.398976][ T1020] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.399301][ T1020] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.399636][ T1020] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.399963][ T1020] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.400295][ T1020] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.400627][ T1020] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.400949][ T1020] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.401274][ T1020] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.401620][ T1020] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.401961][ T1020] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.402290][ T1020] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.402619][ T1020] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.402954][ T1020] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.403287][ T1020] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.403624][ T1020] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.403960][ T1020] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.404297][ T1020] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.404646][ T1020] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.404988][ T1020] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.405334][ T1020] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.405674][ T1020] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 117.406013][ T1020] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 117.406350][ T1020] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.406686][ T1020] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.407026][ T1020] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.407407][ T1020] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.407852][ T1020] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.408238][ T1020] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.408685][ T1020] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.409038][ T1020] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.409540][ T1020] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.409922][ T1020] ___sys_sendmsg (net/socket.c:2670) 
[ 117.410311][ T1020] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.410691][ T1020] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.411067][ T1020] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.411428][ T1020] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.411796][ T1020] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.412165][ T1020] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.412527][ T1020] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.412907][ T1020] __sys_sendmsg (net/socket.c:2700) 
[ 117.413263][ T1020] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.413634][ T1020] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 117.414006][ T1020] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 117.414361][ T1020] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.414746][ T1020] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.415115][ T1020] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.415560][ T1020] RIP: 0033:0x7f54ac90c1e7
[ 117.415935][ T1020] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  117.417202][ T1020] RSP: 002b:00007ffce8dd1638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.417758][ T1020] RAX: ffffffffffffffda RBX: 00007ffce8dd1d60 RCX: 00007f54ac90c1e7
[  117.418300][ T1020] RDX: 0000000000000000 RSI: 00007ffce8dd16a0 RDI: 0000000000000005
[  117.418849][ T1020] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.419386][ T1020] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffce8dd1d98
[  117.419939][ T1020] R13: 00000000686e5e3b R14: 0000000000499600 R15: 0000000000000000
| [  117.627154][ T1022] ------------[ cut here ]------------
| [ 117.627797][ T1022] WARNING: CPU: 3 PID: 1022 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  117.628984][ T1022] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.631097][ T1022] Tainted: [W]=WARN
[  117.631534][ T1022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.632221][ T1022] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 117.632590][ T1022] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  117.633814][ T1022] RSP: 0018:ffffc90000547080 EFLAGS: 00010246
[  117.634246][ T1022] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  117.634766][ T1022] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  117.635267][ T1022] RBP: ffffc90000547168 R08: 0000000000000000 R09: 0000000000000000
[  117.635770][ T1022] R10: ffffc90000547198 R11: ffffffff9a8a8918 R12: 1ffff920000a8e14
[  117.636333][ T1022] R13: 00000000000005dc R14: ffffc90000547198 R15: ffff888010c9af08
[  117.636936][ T1022] FS:  00007f61d598e800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  117.637538][ T1022] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.637961][ T1022] CR2: 00000000004a1738 CR3: 000000000dea4001 CR4: 0000000000772ef0
[  117.638467][ T1022] PKRU: 55555554
[  117.638714][ T1022] Call Trace:
[  117.638953][ T1022]  <TASK>
[ 117.639117][ T1022] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.639463][ T1022] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.639803][ T1022] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.640244][ T1022] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.640858][ T1022] netif_set_mtu (net/core/dev.c:9652) 
[ 117.641226][ T1022] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.641590][ T1022] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.642060][ T1022] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.642325][ T1022] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.642787][ T1022] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.643166][ T1022] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 117.643514][ T1022] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.643856][ T1022] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.644200][ T1022] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.644541][ T1022] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.644881][ T1022] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.645221][ T1022] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.645556][ T1022] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.645895][ T1022] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.646239][ T1022] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.646590][ T1022] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.646930][ T1022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.647288][ T1022] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.647626][ T1022] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.647966][ T1022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.648311][ T1022] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.648677][ T1022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.649017][ T1022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.649366][ T1022] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.649716][ T1022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.650041][ T1022] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.650378][ T1022] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.650712][ T1022] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 117.651046][ T1022] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 117.651398][ T1022] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.651738][ T1022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.652071][ T1022] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.652409][ T1022] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.652753][ T1022] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.653095][ T1022] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.653438][ T1022] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.653778][ T1022] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.654201][ T1022] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.654543][ T1022] ___sys_sendmsg (net/socket.c:2670) 
[ 117.654887][ T1022] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.655222][ T1022] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.655549][ T1022] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.655888][ T1022] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.656254][ T1022] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.656691][ T1022] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.657020][ T1022] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.657380][ T1022] __sys_sendmsg (net/socket.c:2700) 
[ 117.657724][ T1022] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.658050][ T1022] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 117.658396][ T1022] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 117.658755][ T1022] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.659082][ T1022] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.659402][ T1022] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.659799][ T1022] RIP: 0033:0x7f61d5b5b1e7
[ 117.660121][ T1022] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  117.661283][ T1022] RSP: 002b:00007ffce3118eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.661774][ T1022] RAX: ffffffffffffffda RBX: 00007ffce31195e0 RCX: 00007f61d5b5b1e7
[  117.662248][ T1022] RDX: 0000000000000000 RSI: 00007ffce3118f20 RDI: 0000000000000005
[  117.662746][ T1022] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.663244][ T1022] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffce3119618
[  117.663741][ T1022] R13: 00000000686e5e3b R14: 0000000000499600 R15: 0000000000000000
| [  117.835924][ T1024] ------------[ cut here ]------------
| [ 117.836266][ T1024] WARNING: CPU: 3 PID: 1024 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  117.836965][ T1024] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.839163][ T1024] Tainted: [W]=WARN
[  117.839427][ T1024] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.839853][ T1024] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 117.840205][ T1024] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  117.841383][ T1024] RSP: 0018:ffffc900007a7080 EFLAGS: 00010246
[  117.841804][ T1024] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  117.842302][ T1024] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  117.842804][ T1024] RBP: ffffc900007a7168 R08: 0000000000000000 R09: 0000000000000000
[  117.843301][ T1024] R10: ffffc900007a7198 R11: ffffffff9a8a8918 R12: 1ffff920000f4e14
[  117.843815][ T1024] R13: 00000000000005dc R14: ffffc900007a7198 R15: ffff888010c9af08
[  117.844328][ T1024] FS:  00007f00a400a800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  117.844911][ T1024] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.845327][ T1024] CR2: 00000000004a1738 CR3: 000000000f39d005 CR4: 0000000000772ef0
[  117.845829][ T1024] PKRU: 55555554
[  117.846078][ T1024] Call Trace:
[  117.846327][ T1024]  <TASK>
[ 117.846504][ T1024] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.846847][ T1024] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.847180][ T1024] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.847600][ T1024] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.847933][ T1024] netif_set_mtu (net/core/dev.c:9652) 
[ 117.848267][ T1024] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.848632][ T1024] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.849095][ T1024] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.849352][ T1024] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.849804][ T1024] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.850178][ T1024] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 117.850509][ T1024] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.850847][ T1024] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.851186][ T1024] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.851518][ T1024] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.851858][ T1024] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.852190][ T1024] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.852528][ T1024] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.852865][ T1024] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.853203][ T1024] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.853543][ T1024] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.853890][ T1024] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.854235][ T1024] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.854573][ T1024] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.854905][ T1024] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.855237][ T1024] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.855582][ T1024] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.855919][ T1024] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.856261][ T1024] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.856603][ T1024] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.856934][ T1024] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.857275][ T1024] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.857623][ T1024] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 117.857963][ T1024] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 117.858312][ T1024] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.858677][ T1024] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.859016][ T1024] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.859370][ T1024] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.859711][ T1024] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.860052][ T1024] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.860384][ T1024] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.860721][ T1024] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.861147][ T1024] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.861481][ T1024] ___sys_sendmsg (net/socket.c:2670) 
[ 117.861825][ T1024] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.862156][ T1024] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.862486][ T1024] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.862824][ T1024] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.863165][ T1024] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.863503][ T1024] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.863836][ T1024] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.864182][ T1024] __sys_sendmsg (net/socket.c:2700) 
[ 117.864509][ T1024] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.864842][ T1024] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 117.865182][ T1024] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 117.865519][ T1024] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.865856][ T1024] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.866187][ T1024] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.866599][ T1024] RIP: 0033:0x7f00a41d71e7
[ 117.866938][ T1024] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  117.868123][ T1024] RSP: 002b:00007ffeecc9a198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.868625][ T1024] RAX: ffffffffffffffda RBX: 00007ffeecc9a8c0 RCX: 00007f00a41d71e7
[  117.869095][ T1024] RDX: 0000000000000000 RSI: 00007ffeecc9a200 RDI: 0000000000000005
[  117.869564][ T1024] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.870043][ T1024] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeecc9a8f8
[  117.870516][ T1024] R13: 00000000686e5e3b R14: 0000000000499600 R15: 0000000000000000
| [  118.075423][ T1026] ------------[ cut here ]------------
| [ 118.076064][ T1026] WARNING: CPU: 3 PID: 1026 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  118.077174][ T1026] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.079258][ T1026] Tainted: [W]=WARN
[  118.079692][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.080382][ T1026] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 118.080974][ T1026] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  118.083004][ T1026] RSP: 0018:ffffc900006e7080 EFLAGS: 00010246
[  118.083727][ T1026] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  118.084561][ T1026] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  118.085405][ T1026] RBP: ffffc900006e7168 R08: 0000000000000000 R09: 0000000000000000
[  118.086255][ T1026] R10: ffffc900006e7198 R11: ffffffff9a8a8918 R12: 1ffff920000dce14
[  118.087123][ T1026] R13: 00000000000005dc R14: ffffc900006e7198 R15: ffff888010c9af08
[  118.087984][ T1026] FS:  00007fb379296800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  118.088853][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.089252][ T1026] CR2: 00000000004a1738 CR3: 000000000be0a004 CR4: 0000000000772ef0
[  118.089772][ T1026] PKRU: 55555554
[  118.090012][ T1026] Call Trace:
[  118.090249][ T1026]  <TASK>
[ 118.090414][ T1026] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.090767][ T1026] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.091091][ T1026] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.091482][ T1026] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.091860][ T1026] netif_set_mtu (net/core/dev.c:9652) 
[ 118.092180][ T1026] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.092518][ T1026] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.092964][ T1026] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.093204][ T1026] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.093739][ T1026] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.094110][ T1026] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 118.094540][ T1026] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.094893][ T1026] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.095211][ T1026] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.095560][ T1026] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.096075][ T1026] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.096459][ T1026] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.096942][ T1026] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.097264][ T1026] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.097693][ T1026] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.098113][ T1026] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.098521][ T1026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.098898][ T1026] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.099215][ T1026] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.099531][ T1026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.099861][ T1026] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.100183][ T1026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.100505][ T1026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.100834][ T1026] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.101152][ T1026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.101471][ T1026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.101811][ T1026] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.102129][ T1026] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 118.102448][ T1026] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 118.102776][ T1026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.103093][ T1026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.103413][ T1026] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.103741][ T1026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.104063][ T1026] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.104400][ T1026] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.104730][ T1026] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.105050][ T1026] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.105447][ T1026] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.105779][ T1026] ___sys_sendmsg (net/socket.c:2670) 
[ 118.106108][ T1026] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.106431][ T1026] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.106758][ T1026] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.107073][ T1026] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.107421][ T1026] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.107747][ T1026] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.108068][ T1026] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.108415][ T1026] __sys_sendmsg (net/socket.c:2700) 
[ 118.108756][ T1026] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.109074][ T1026] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 118.109405][ T1026] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 118.109740][ T1026] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.110064][ T1026] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.110380][ T1026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.110783][ T1026] RIP: 0033:0x7fb3794631e7
[ 118.111115][ T1026] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  118.112258][ T1026] RSP: 002b:00007ffc912d2218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.112761][ T1026] RAX: ffffffffffffffda RBX: 00007ffc912d2940 RCX: 00007fb3794631e7
[  118.113239][ T1026] RDX: 0000000000000000 RSI: 00007ffc912d2280 RDI: 0000000000000005
[  118.113719][ T1026] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.114191][ T1026] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc912d2978
[  118.114677][ T1026] R13: 00000000686e5e3b R14: 0000000000499600 R15: 0000000000000000
| [  118.293954][ T1029] ------------[ cut here ]------------
| [ 118.294267][ T1029] WARNING: CPU: 0 PID: 1029 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  118.294928][ T1029] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.296053][ T1029] Tainted: [W]=WARN
[  118.296292][ T1029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.296695][ T1029] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 118.297019][ T1029] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  118.298140][ T1029] RSP: 0000:ffffc90000797080 EFLAGS: 00010246
[  118.298547][ T1029] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  118.299023][ T1029] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  118.299492][ T1029] RBP: ffffc90000797168 R08: 0000000000000000 R09: 0000000000000000
[  118.299971][ T1029] R10: ffffc90000797198 R11: ffffffff9a8a8918 R12: 1ffff920000f2e14
[  118.300444][ T1029] R13: 00000000000005dc R14: ffffc90000797198 R15: ffff888010c9af08
[  118.300923][ T1029] FS:  00007f70f7507800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  118.301467][ T1029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.301871][ T1029] CR2: 00007efe481fca9c CR3: 000000000f2f2006 CR4: 0000000000772ef0
[  118.302345][ T1029] PKRU: 55555554
[  118.302590][ T1029] Call Trace:
[  118.302828][ T1029]  <TASK>
[ 118.302995][ T1029] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.303319][ T1029] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.303644][ T1029] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.304038][ T1029] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.304358][ T1029] netif_set_mtu (net/core/dev.c:9652) 
[ 118.304681][ T1029] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.305025][ T1029] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.305471][ T1029] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.305722][ T1029] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.306150][ T1029] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.306504][ T1029] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 118.306826][ T1029] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.307142][ T1029] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.307461][ T1029] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.307785][ T1029] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.308102][ T1029] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.308415][ T1029] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.308758][ T1029] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.309070][ T1029] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.309389][ T1029] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.309723][ T1029] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.310047][ T1029] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.310377][ T1029] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.310697][ T1029] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.311015][ T1029] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.311327][ T1029] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.311649][ T1029] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.311972][ T1029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.312289][ T1029] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.312613][ T1029] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.312926][ T1029] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.313252][ T1029] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.313579][ T1029] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 118.313902][ T1029] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 118.314219][ T1029] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.314533][ T1029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.314859][ T1029] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.315176][ T1029] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.315491][ T1029] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.315827][ T1029] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.316143][ T1029] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.316451][ T1029] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.316853][ T1029] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.317171][ T1029] ___sys_sendmsg (net/socket.c:2670) 
[ 118.317486][ T1029] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.317804][ T1029] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.318123][ T1029] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.318449][ T1029] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.318783][ T1029] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.319104][ T1029] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.319433][ T1029] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.319785][ T1029] __sys_sendmsg (net/socket.c:2700) 
[ 118.320119][ T1029] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.320451][ T1029] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 118.320795][ T1029] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 118.321129][ T1029] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.321448][ T1029] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.321766][ T1029] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.322155][ T1029] RIP: 0033:0x7f70f76d41e7
[ 118.322477][ T1029] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  118.323598][ T1029] RSP: 002b:00007fff9a661838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.324073][ T1029] RAX: ffffffffffffffda RBX: 00007fff9a661f60 RCX: 00007f70f76d41e7
[  118.324538][ T1029] RDX: 0000000000000000 RSI: 00007fff9a6618a0 RDI: 0000000000000005
[  118.325022][ T1029] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.325491][ T1029] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff9a661f98
[  118.325970][ T1029] R13: 00000000686e5e3c R14: 0000000000499600 R15: 0000000000000000
| [  118.486279][ T1031] ------------[ cut here ]------------
| [ 118.486637][ T1031] WARNING: CPU: 3 PID: 1031 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  118.487261][ T1031] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.488413][ T1031] Tainted: [W]=WARN
[  118.488687][ T1031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.489087][ T1031] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 118.489422][ T1031] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  118.490559][ T1031] RSP: 0018:ffffc90000797080 EFLAGS: 00010246
[  118.490967][ T1031] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  118.491442][ T1031] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  118.491928][ T1031] RBP: ffffc90000797168 R08: 0000000000000000 R09: 0000000000000000
[  118.492404][ T1031] R10: ffffc90000797198 R11: ffffffff9a8a8918 R12: 1ffff920000f2e14
[  118.492883][ T1031] R13: 00000000000005dc R14: ffffc90000797198 R15: ffff888010c9af08
[  118.493355][ T1031] FS:  00007f720d3b2800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  118.493920][ T1031] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.494327][ T1031] CR2: 00000000004a1738 CR3: 0000000004cfe002 CR4: 0000000000772ef0
[  118.494851][ T1031] PKRU: 55555554
[  118.495091][ T1031] Call Trace:
[  118.495328][ T1031]  <TASK>
[ 118.495495][ T1031] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.495830][ T1031] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.496152][ T1031] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.496545][ T1031] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.496881][ T1031] netif_set_mtu (net/core/dev.c:9652) 
[ 118.497237][ T1031] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.497575][ T1031] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.498014][ T1031] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.498255][ T1031] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.498707][ T1031] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.499070][ T1031] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 118.499395][ T1031] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.499724][ T1031] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.500044][ T1031] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.500358][ T1031] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.500678][ T1031] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.500994][ T1031] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.501318][ T1031] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.501641][ T1031] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.501963][ T1031] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.502291][ T1031] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.502626][ T1031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.502956][ T1031] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.503268][ T1031] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.503595][ T1031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.503910][ T1031] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.504232][ T1031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.504554][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.504884][ T1031] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.505205][ T1031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.505521][ T1031] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.505857][ T1031] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.506173][ T1031] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 118.506496][ T1031] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 118.506824][ T1031] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.507139][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.507457][ T1031] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.507804][ T1031] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.508122][ T1031] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.508453][ T1031] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.508788][ T1031] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.509104][ T1031] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.509499][ T1031] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.509829][ T1031] ___sys_sendmsg (net/socket.c:2670) 
[ 118.510151][ T1031] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.510466][ T1031] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.510790][ T1031] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.511110][ T1031] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.511428][ T1031] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.511753][ T1031] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.512066][ T1031] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.512399][ T1031] __sys_sendmsg (net/socket.c:2700) 
[ 118.512722][ T1031] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.513037][ T1031] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 118.513367][ T1031] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 118.513695][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.514020][ T1031] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.514338][ T1031] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.514736][ T1031] RIP: 0033:0x7f720d57f1e7
[ 118.515059][ T1031] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  118.516204][ T1031] RSP: 002b:00007ffe7663ffc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.516686][ T1031] RAX: ffffffffffffffda RBX: 00007ffe766406f0 RCX: 00007f720d57f1e7
[  118.517157][ T1031] RDX: 0000000000000000 RSI: 00007ffe76640030 RDI: 0000000000000005
[  118.517636][ T1031] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.518104][ T1031] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe76640728
[  118.518594][ T1031] R13: 00000000686e5e3c R14: 0000000000499600 R15: 0000000000000000
| [  118.692994][ T1032] ------------[ cut here ]------------
| [ 118.693314][ T1032] WARNING: CPU: 1 PID: 1032 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  118.694054][ T1032] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.695203][ T1032] Tainted: [W]=WARN
[  118.695444][ T1032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.695847][ T1032] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 118.696184][ T1032] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  118.697318][ T1032] RSP: 0018:ffffc90000547080 EFLAGS: 00010246
[  118.697735][ T1032] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  118.698210][ T1032] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  118.698859][ T1032] RBP: ffffc90000547168 R08: 0000000000000000 R09: 0000000000000000
[  118.699334][ T1032] R10: ffffc90000547198 R11: ffffffff9a8a8918 R12: 1ffff920000a8e14
[  118.700051][ T1032] R13: 00000000000005dc R14: ffffc90000547198 R15: ffff888010c9af08
[  118.700526][ T1032] FS:  00007f2ca1c5b800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  118.701227][ T1032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.701780][ T1032] CR2: 00000000004a1738 CR3: 000000000df07005 CR4: 0000000000772ef0
[  118.702256][ T1032] PKRU: 55555554
[  118.702494][ T1032] Call Trace:
[  118.702881][ T1032]  <TASK>
[ 118.703083][ T1032] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.703407][ T1032] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.703882][ T1032] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.704275][ T1032] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.704646][ T1032] netif_set_mtu (net/core/dev.c:9652) 
[ 118.704963][ T1032] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.705287][ T1032] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.705740][ T1032] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.705982][ T1032] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.706411][ T1032] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.706780][ T1032] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 118.707097][ T1032] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.707416][ T1032] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.707746][ T1032] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.708062][ T1032] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.708389][ T1032] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.708731][ T1032] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.709051][ T1032] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.709362][ T1032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.709697][ T1032] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.710024][ T1032] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.710342][ T1032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.710678][ T1032] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.710991][ T1032] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.711312][ T1032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.711635][ T1032] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.711954][ T1032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.712270][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.712598][ T1032] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.712911][ T1032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.713228][ T1032] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.713565][ T1032] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.713897][ T1032] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 118.714214][ T1032] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 118.714531][ T1032] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.714856][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.715178][ T1032] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.715494][ T1032] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.715824][ T1032] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.716146][ T1032] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.716464][ T1032] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.716801][ T1032] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.717212][ T1032] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.717533][ T1032] ___sys_sendmsg (net/socket.c:2670) 
[ 118.717869][ T1032] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.718196][ T1032] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.718536][ T1032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.718865][ T1032] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.719187][ T1032] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.719502][ T1032] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.719823][ T1032] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.720154][ T1032] __sys_sendmsg (net/socket.c:2700) 
[ 118.720482][ T1032] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.720807][ T1032] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 118.721127][ T1032] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 118.721445][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.721783][ T1032] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.722104][ T1032] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.722491][ T1032] RIP: 0033:0x7f2ca1e281e7
[ 118.722834][ T1032] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  118.723957][ T1032] RSP: 002b:00007ffecc2bf838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.724429][ T1032] RAX: ffffffffffffffda RBX: 00007ffecc2bff60 RCX: 00007f2ca1e281e7
[  118.724912][ T1032] RDX: 0000000000000000 RSI: 00007ffecc2bf8a0 RDI: 0000000000000005
[  118.725380][ T1032] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.725955][ T1032] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffecc2bff98
[  118.726429][ T1032] R13: 00000000686e5e3c R14: 0000000000499600 R15: 0000000000000000
| [  118.896389][ T1034] ------------[ cut here ]------------
| [ 118.896759][ T1034] WARNING: CPU: 3 PID: 1034 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  118.897385][ T1034] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.898547][ T1034] Tainted: [W]=WARN
[  118.898797][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.899190][ T1034] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 118.899514][ T1034] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  118.900668][ T1034] RSP: 0018:ffffc900022c7080 EFLAGS: 00010246
[  118.901072][ T1034] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  118.901552][ T1034] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  118.902047][ T1034] RBP: ffffc900022c7168 R08: 0000000000000000 R09: 0000000000000000
[  118.902523][ T1034] R10: ffffc900022c7198 R11: ffffffff9a8a8918 R12: 1ffff92000458e14
[  118.903009][ T1034] R13: 00000000000005dc R14: ffffc900022c7198 R15: ffff888010c9af08
[  118.903484][ T1034] FS:  00007f5f0a38c800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  118.904047][ T1034] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.904445][ T1034] CR2: 00007efe47d787b0 CR3: 000000000df09003 CR4: 0000000000772ef0
[  118.904930][ T1034] PKRU: 55555554
[  118.905169][ T1034] Call Trace:
[  118.905410][ T1034]  <TASK>
[ 118.905586][ T1034] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.905912][ T1034] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.906232][ T1034] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.906666][ T1034] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.906989][ T1034] netif_set_mtu (net/core/dev.c:9652) 
[ 118.907309][ T1034] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.907648][ T1034] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.908086][ T1034] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.908327][ T1034] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.908781][ T1034] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.909137][ T1034] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 118.909451][ T1034] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.909778][ T1034] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.910097][ T1034] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.910410][ T1034] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.910728][ T1034] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.911275][ T1034] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.911604][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.911921][ T1034] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.912247][ T1034] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.912836][ T1034] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.913162][ T1034] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.913489][ T1034] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.913808][ T1034] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.914360][ T1034] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.914691][ T1034] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.915015][ T1034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.915334][ T1034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.915666][ T1034] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.915984][ T1034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.916300][ T1034] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.916634][ T1034] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.917179][ T1034] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 118.917505][ T1034] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 118.917833][ T1034] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.918149][ T1034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.918481][ T1034] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.918809][ T1034] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.919130][ T1034] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.919453][ T1034] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.919782][ T1034] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.920104][ T1034] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.920740][ T1034] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.921064][ T1034] ___sys_sendmsg (net/socket.c:2670) 
[ 118.921621][ T1034] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.921935][ T1034] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.922256][ T1034] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.922579][ T1034] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.922905][ T1034] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.923222][ T1034] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.923537][ T1034] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.923923][ T1034] __sys_sendmsg (net/socket.c:2700) 
[ 118.924256][ T1034] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.924586][ T1034] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 118.925163][ T1034] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 118.925481][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.925812][ T1034] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.926129][ T1034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.926790][ T1034] RIP: 0033:0x7f5f0a5591e7
[ 118.927142][ T1034] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  118.928573][ T1034] RSP: 002b:00007ffc93b31db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.929319][ T1034] RAX: ffffffffffffffda RBX: 00007ffc93b324e0 RCX: 00007f5f0a5591e7
[  118.929809][ T1034] RDX: 0000000000000000 RSI: 00007ffc93b31e20 RDI: 0000000000000005
[  118.930303][ T1034] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.931488][ T1034] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc93b32518
[  118.931973][ T1034] R13: 00000000686e5e3c R14: 0000000000499600 R15: 0000000000000000
| [  119.102174][ T1036] ------------[ cut here ]------------
| [ 119.102561][ T1036] WARNING: CPU: 1 PID: 1036 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  119.103286][ T1036] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.104472][ T1036] Tainted: [W]=WARN
[  119.104880][ T1036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.105298][ T1036] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 119.105789][ T1036] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  119.107113][ T1036] RSP: 0018:ffffc90000807080 EFLAGS: 00010246
[  119.107534][ T1036] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  119.108185][ T1036] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  119.108865][ T1036] RBP: ffffc90000807168 R08: 0000000000000000 R09: 0000000000000000
[  119.109402][ T1036] R10: ffffc90000807198 R11: ffffffff9a8a8918 R12: 1ffff92000100e14
[  119.110055][ T1036] R13: 00000000000005dc R14: ffffc90000807198 R15: ffff888010c9af08
[  119.110556][ T1036] FS:  00007f5f30de3800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  119.111304][ T1036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.111762][ T1036] CR2: 00000000004a1738 CR3: 000000000ba9f006 CR4: 0000000000772ef0
[  119.112239][ T1036] PKRU: 55555554
[  119.112481][ T1036] Call Trace:
[  119.112734][ T1036]  <TASK>
[ 119.112903][ T1036] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.113235][ T1036] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.113555][ T1036] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.113958][ T1036] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.114288][ T1036] netif_set_mtu (net/core/dev.c:9652) 
[ 119.114619][ T1036] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.114953][ T1036] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.115408][ T1036] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.115664][ T1036] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.116099][ T1036] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.116457][ T1036] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 119.116786][ T1036] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.117111][ T1036] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.117435][ T1036] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.117768][ T1036] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.118088][ T1036] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.118408][ T1036] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.118765][ T1036] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.119081][ T1036] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.119408][ T1036] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.119752][ T1036] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.120074][ T1036] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.120401][ T1036] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.120719][ T1036] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.121033][ T1036] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.121346][ T1036] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.121682][ T1036] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.122026][ T1036] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.122377][ T1036] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.122725][ T1036] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.123060][ T1036] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.123401][ T1036] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.123743][ T1036] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 119.124108][ T1036] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 119.124451][ T1036] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.124795][ T1036] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.125163][ T1036] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.125499][ T1036] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.125844][ T1036] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.126206][ T1036] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.126579][ T1036] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.126912][ T1036] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.127351][ T1036] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.127702][ T1036] ___sys_sendmsg (net/socket.c:2670) 
[ 119.128086][ T1036] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.128416][ T1036] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.128771][ T1036] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.129120][ T1036] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.129457][ T1036] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.129797][ T1036] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.130154][ T1036] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.130504][ T1036] __sys_sendmsg (net/socket.c:2700) 
[ 119.130857][ T1036] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.131208][ T1036] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 119.131583][ T1036] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 119.131922][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.132286][ T1036] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.132635][ T1036] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.133069][ T1036] RIP: 0033:0x7f5f30fb01e7
[ 119.133411][ T1036] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  119.134640][ T1036] RSP: 002b:00007fff5c052ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.135150][ T1036] RAX: ffffffffffffffda RBX: 00007fff5c053410 RCX: 00007f5f30fb01e7
[  119.135673][ T1036] RDX: 0000000000000000 RSI: 00007fff5c052d50 RDI: 0000000000000005
[  119.136169][ T1036] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.136683][ T1036] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff5c053448
[  119.137180][ T1036] R13: 00000000686e5e3c R14: 0000000000499600 R15: 0000000000000000
| [  119.290170][ T1038] ------------[ cut here ]------------
| [ 119.290487][ T1038] WARNING: CPU: 0 PID: 1038 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  119.291165][ T1038] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.292310][ T1038] Tainted: [W]=WARN
[  119.292561][ T1038] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.292985][ T1038] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 119.293326][ T1038] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  119.294514][ T1038] RSP: 0000:ffffc90000807080 EFLAGS: 00010246
[  119.294945][ T1038] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  119.295447][ T1038] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  119.295948][ T1038] RBP: ffffc90000807168 R08: 0000000000000000 R09: 0000000000000000
[  119.296440][ T1038] R10: ffffc90000807198 R11: ffffffff9a8a8918 R12: 1ffff92000100e14
[  119.296955][ T1038] R13: 00000000000005dc R14: ffffc90000807198 R15: ffff888010c9af08
[  119.297456][ T1038] FS:  00007f2db0279800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  119.298072][ T1038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.298510][ T1038] CR2: 00007efe480d9c10 CR3: 00000000031e9006 CR4: 0000000000772ef0
[  119.299018][ T1038] PKRU: 55555554
[  119.299266][ T1038] Call Trace:
[  119.299516][ T1038]  <TASK>
[ 119.299697][ T1038] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.300036][ T1038] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.300368][ T1038] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.300796][ T1038] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.301138][ T1038] netif_set_mtu (net/core/dev.c:9652) 
[ 119.301473][ T1038] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.301826][ T1038] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.302295][ T1038] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.302557][ T1038] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.303014][ T1038] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.303381][ T1038] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 119.303718][ T1038] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.304054][ T1038] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.304400][ T1038] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.304737][ T1038] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.305062][ T1038] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.305393][ T1038] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.305736][ T1038] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.306068][ T1038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.306405][ T1038] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.306756][ T1038] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.307100][ T1038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.307447][ T1038] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.307795][ T1038] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.308129][ T1038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.308478][ T1038] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.308849][ T1038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.309172][ T1038] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.309502][ T1038] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.309832][ T1038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.310155][ T1038] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.310482][ T1038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.310803][ T1038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 119.311123][ T1038] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 119.311441][ T1038] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.311765][ T1038] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.312086][ T1038] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.312415][ T1038] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.312738][ T1038] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.313063][ T1038] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.313384][ T1038] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.313714][ T1038] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.314110][ T1038] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.314433][ T1038] ___sys_sendmsg (net/socket.c:2670) 
[ 119.314770][ T1038] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.315084][ T1038] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.315402][ T1038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.315728][ T1038] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.316049][ T1038] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.316365][ T1038] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.316689][ T1038] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.317023][ T1038] __sys_sendmsg (net/socket.c:2700) 
[ 119.317343][ T1038] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.317670][ T1038] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 119.318000][ T1038] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 119.318323][ T1038] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.318675][ T1038] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.318995][ T1038] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.319390][ T1038] RIP: 0033:0x7f2db04461e7
[ 119.319725][ T1038] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  119.320855][ T1038] RSP: 002b:00007fff6c33b668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.321338][ T1038] RAX: ffffffffffffffda RBX: 00007fff6c33bd90 RCX: 00007f2db04461e7
[  119.321816][ T1038] RDX: 0000000000000000 RSI: 00007fff6c33b6d0 RDI: 0000000000000005
[  119.322290][ T1038] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.322771][ T1038] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff6c33bdc8
[  119.323251][ T1038] R13: 00000000686e5e3d R14: 0000000000499600 R15: 0000000000000000
| [  119.500364][ T1040] ------------[ cut here ]------------
| [ 119.500790][ T1040] WARNING: CPU: 2 PID: 1040 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  119.501459][ T1040] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.502642][ T1040] Tainted: [W]=WARN
[  119.502897][ T1040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.503309][ T1040] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 119.503665][ T1040] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  119.504875][ T1040] RSP: 0000:ffffc900005b7080 EFLAGS: 00010246
[  119.505315][ T1040] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  119.505831][ T1040] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  119.506353][ T1040] RBP: ffffc900005b7168 R08: 0000000000000000 R09: 0000000000000000
[  119.506873][ T1040] R10: ffffc900005b7198 R11: ffffffff9a8a8918 R12: 1ffff920000b6e14
[  119.507384][ T1040] R13: 00000000000005dc R14: ffffc900005b7198 R15: ffff888010c9af08
[  119.507902][ T1040] FS:  00007f168ff23800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  119.508511][ T1040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.508933][ T1040] CR2: 00007efe481fca9c CR3: 000000000a22b001 CR4: 0000000000772ef0
[  119.509441][ T1040] PKRU: 55555554
[  119.509710][ T1040] Call Trace:
[  119.509972][ T1040]  <TASK>
[ 119.510155][ T1040] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.510505][ T1040] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.510862][ T1040] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.511298][ T1040] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.511659][ T1040] netif_set_mtu (net/core/dev.c:9652) 
[ 119.512004][ T1040] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.512364][ T1040] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.512840][ T1040] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.513110][ T1040] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.513580][ T1040] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.513951][ T1040] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 119.514280][ T1040] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.514631][ T1040] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.514993][ T1040] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.515350][ T1040] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.515705][ T1040] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.516048][ T1040] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.516398][ T1040] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.516747][ T1040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.517100][ T1040] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.517454][ T1040] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.517821][ T1040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.518179][ T1040] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.518536][ T1040] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.518908][ T1040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.519262][ T1040] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.519621][ T1040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.519972][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.520323][ T1040] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.520672][ T1040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.521010][ T1040] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.521351][ T1040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.521686][ T1040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 119.522029][ T1040] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 119.522384][ T1040] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.522736][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.523088][ T1040] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.523437][ T1040] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.523795][ T1040] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.524152][ T1040] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.524502][ T1040] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.524858][ T1040] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.525288][ T1040] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.525645][ T1040] ___sys_sendmsg (net/socket.c:2670) 
[ 119.526002][ T1040] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.526347][ T1040] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.526703][ T1040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.527046][ T1040] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.527404][ T1040] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.527759][ T1040] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.528102][ T1040] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.528499][ T1040] __sys_sendmsg (net/socket.c:2700) 
[ 119.528841][ T1040] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.529170][ T1040] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 119.529518][ T1040] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 119.529860][ T1040] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.530216][ T1040] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.530544][ T1040] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.530963][ T1040] RIP: 0033:0x7f16900f01e7
[ 119.531300][ T1040] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  119.532459][ T1040] RSP: 002b:00007ffef4797898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.532959][ T1040] RAX: ffffffffffffffda RBX: 00007ffef4797fc0 RCX: 00007f16900f01e7
[  119.533443][ T1040] RDX: 0000000000000000 RSI: 00007ffef4797900 RDI: 0000000000000005
[  119.533943][ T1040] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.534430][ T1040] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef4797ff8
[  119.534919][ T1040] R13: 00000000686e5e3d R14: 0000000000499600 R15: 0000000000000000
| [  119.709963][ T1042] ------------[ cut here ]------------
| [ 119.710329][ T1042] WARNING: CPU: 2 PID: 1042 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  119.711099][ T1042] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.712864][ T1042] Tainted: [W]=WARN
[  119.713293][ T1042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.713892][ T1042] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 119.714413][ T1042] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  119.715800][ T1042] RSP: 0018:ffffc90000597080 EFLAGS: 00010246
[  119.716248][ T1042] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  119.716787][ T1042] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  119.717320][ T1042] RBP: ffffc90000597168 R08: 0000000000000000 R09: 0000000000000000
[  119.717854][ T1042] R10: ffffc90000597198 R11: ffffffff9a8a8918 R12: 1ffff920000b2e14
[  119.718356][ T1042] R13: 00000000000005dc R14: ffffc90000597198 R15: ffff888010c9af08
[  119.718870][ T1042] FS:  00007f431919c800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  119.719428][ T1042] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.719864][ T1042] CR2: 00000000004a1738 CR3: 000000000bedc004 CR4: 0000000000772ef0
[  119.720352][ T1042] PKRU: 55555554
[  119.720636][ T1042] Call Trace:
[  119.720892][ T1042]  <TASK>
[ 119.721082][ T1042] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.721418][ T1042] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.721783][ T1042] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.722197][ T1042] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.722531][ T1042] netif_set_mtu (net/core/dev.c:9652) 
[ 119.722903][ T1042] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.723249][ T1042] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.723728][ T1042] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.723997][ T1042] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.724440][ T1042] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.724843][ T1042] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 119.725188][ T1042] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.725544][ T1042] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.725910][ T1042] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.726269][ T1042] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.726623][ T1042] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.726961][ T1042] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.727288][ T1042] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.727626][ T1042] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.727972][ T1042] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.728329][ T1042] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.728707][ T1042] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.729077][ T1042] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.729438][ T1042] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.729811][ T1042] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.730166][ T1042] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.730501][ T1042] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.730865][ T1042] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.731219][ T1042] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.731556][ T1042] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.731916][ T1042] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.732264][ T1042] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.732621][ T1042] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 119.732998][ T1042] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 119.733364][ T1042] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.733720][ T1042] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.734062][ T1042] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.734397][ T1042] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.734741][ T1042] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.735080][ T1042] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.735414][ T1042] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.735748][ T1042] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.736160][ T1042] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.736515][ T1042] ___sys_sendmsg (net/socket.c:2670) 
[ 119.736861][ T1042] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.737228][ T1042] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.737612][ T1042] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.737961][ T1042] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.738338][ T1042] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.738713][ T1042] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.739047][ T1042] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.739397][ T1042] __sys_sendmsg (net/socket.c:2700) 
[ 119.739766][ T1042] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.740114][ T1042] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 119.740469][ T1042] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 119.740821][ T1042] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.741190][ T1042] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.741521][ T1042] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.741949][ T1042] RIP: 0033:0x7f43193691e7
[ 119.742285][ T1042] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  119.743470][ T1042] RSP: 002b:00007fffa525d7d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.743997][ T1042] RAX: ffffffffffffffda RBX: 00007fffa525df00 RCX: 00007f43193691e7
[  119.744515][ T1042] RDX: 0000000000000000 RSI: 00007fffa525d840 RDI: 0000000000000005
[  119.745033][ T1042] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.745542][ T1042] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffa525df38
[  119.746061][ T1042] R13: 00000000686e5e3d R14: 0000000000499600 R15: 0000000000000000
| [  119.928021][ T1044] ------------[ cut here ]------------
| [ 119.928347][ T1044] WARNING: CPU: 0 PID: 1044 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  119.929067][ T1044] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.930212][ T1044] Tainted: [W]=WARN
[  119.930453][ T1044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.930860][ T1044] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 119.931185][ T1044] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  119.932318][ T1044] RSP: 0018:ffffc90000707080 EFLAGS: 00010246
[  119.932724][ T1044] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  119.933206][ T1044] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  119.933874][ T1044] RBP: ffffc90000707168 R08: 0000000000000000 R09: 0000000000000000
[  119.934354][ T1044] R10: ffffc90000707198 R11: ffffffff9a8a8918 R12: 1ffff920000e0e14
[  119.935046][ T1044] R13: 00000000000005dc R14: ffffc90000707198 R15: ffff888010c9af08
[  119.935520][ T1044] FS:  00007f091c305800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  119.936217][ T1044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.936760][ T1044] CR2: 00007efe47d787b0 CR3: 00000000095c1006 CR4: 0000000000772ef0
[  119.937267][ T1044] PKRU: 55555554
[  119.937519][ T1044] Call Trace:
[  119.937831][ T1044]  <TASK>
[ 119.938005][ T1044] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.938348][ T1044] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.938707][ T1044] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.939123][ T1044] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.939467][ T1044] netif_set_mtu (net/core/dev.c:9652) 
[ 119.939814][ T1044] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.940158][ T1044] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.940633][ T1044] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.940889][ T1044] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.941345][ T1044] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.941731][ T1044] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 119.942050][ T1044] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.942373][ T1044] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.942702][ T1044] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.943021][ T1044] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.943353][ T1044] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.943688][ T1044] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.944007][ T1044] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.944319][ T1044] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.944647][ T1044] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.944971][ T1044] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.945289][ T1044] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.945624][ T1044] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.945937][ T1044] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.946251][ T1044] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.946565][ T1044] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.946887][ T1044] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.947210][ T1044] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.947530][ T1044] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.947854][ T1044] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.948169][ T1044] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.948511][ T1044] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.948831][ T1044] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 119.949150][ T1044] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 119.949472][ T1044] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.949794][ T1044] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.950114][ T1044] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.950430][ T1044] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.950756][ T1044] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.951077][ T1044] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.951397][ T1044] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.951726][ T1044] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.952127][ T1044] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.952447][ T1044] ___sys_sendmsg (net/socket.c:2670) 
[ 119.952774][ T1044] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.953091][ T1044] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.953408][ T1044] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.953735][ T1044] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.954057][ T1044] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.954378][ T1044] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.954739][ T1044] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.955073][ T1044] __sys_sendmsg (net/socket.c:2700) 
[ 119.955387][ T1044] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.955709][ T1044] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 119.956048][ T1044] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 119.956369][ T1044] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.956701][ T1044] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.957020][ T1044] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.957409][ T1044] RIP: 0033:0x7f091c4d21e7
[ 119.957739][ T1044] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  119.958878][ T1044] RSP: 002b:00007ffce46f4208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.959350][ T1044] RAX: ffffffffffffffda RBX: 00007ffce46f4930 RCX: 00007f091c4d21e7
[  119.959830][ T1044] RDX: 0000000000000000 RSI: 00007ffce46f4270 RDI: 0000000000000005
[  119.960297][ T1044] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.960775][ T1044] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffce46f4968
[  119.961242][ T1044] R13: 00000000686e5e3d R14: 0000000000499600 R15: 0000000000000000
| [  120.116050][ T1046] ------------[ cut here ]------------
| [ 120.116387][ T1046] WARNING: CPU: 2 PID: 1046 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  120.117124][ T1046] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  120.118332][ T1046] Tainted: [W]=WARN
[  120.118629][ T1046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.119038][ T1046] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 120.119400][ T1046] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  120.120589][ T1046] RSP: 0018:ffffc90000707080 EFLAGS: 00010246
[  120.121004][ T1046] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  120.121489][ T1046] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  120.121984][ T1046] RBP: ffffc90000707168 R08: 0000000000000000 R09: 0000000000000000
[  120.122491][ T1046] R10: ffffc90000707198 R11: ffffffff9a8a8918 R12: 1ffff920000e0e14
[  120.123004][ T1046] R13: 00000000000005dc R14: ffffc90000707198 R15: ffff888010c9af08
[  120.123509][ T1046] FS:  00007fe936ab2800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  120.124087][ T1046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.124497][ T1046] CR2: 00000000004a1738 CR3: 000000000bb7e005 CR4: 0000000000772ef0
[  120.125002][ T1046] PKRU: 55555554
[  120.125267][ T1046] Call Trace:
[  120.125519][ T1046]  <TASK>
[ 120.125721][ T1046] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.126063][ T1046] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.126394][ T1046] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.126823][ T1046] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.127155][ T1046] netif_set_mtu (net/core/dev.c:9652) 
[ 120.127492][ T1046] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.127845][ T1046] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.128291][ T1046] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.128580][ T1046] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.129022][ T1046] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.129390][ T1046] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 120.129738][ T1046] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 120.130070][ T1046] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 120.130400][ T1046] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 120.130734][ T1046] ? __dev_get_by_name (net/core/dev.c:865) 
[ 120.131065][ T1046] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.131393][ T1046] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.131737][ T1046] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.132068][ T1046] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.132424][ T1046] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 120.132776][ T1046] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.133109][ T1046] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.133452][ T1046] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.133785][ T1046] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.134122][ T1046] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.134443][ T1046] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.134784][ T1046] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.135120][ T1046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.135452][ T1046] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.135787][ T1046] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.136117][ T1046] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.136452][ T1046] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.136784][ T1046] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 120.137111][ T1046] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 120.137439][ T1046] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.137770][ T1046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.138103][ T1046] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.138444][ T1046] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.138794][ T1046] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.139126][ T1046] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.139458][ T1046] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.139842][ T1046] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.140254][ T1046] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 120.140602][ T1046] ___sys_sendmsg (net/socket.c:2670) 
[ 120.140932][ T1046] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.141258][ T1046] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.141596][ T1046] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.141921][ T1046] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.142254][ T1046] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.142590][ T1046] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.142914][ T1046] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.143262][ T1046] __sys_sendmsg (net/socket.c:2700) 
[ 120.143598][ T1046] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.143934][ T1046] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 120.144271][ T1046] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 120.144616][ T1046] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.144948][ T1046] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.145278][ T1046] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.145689][ T1046] RIP: 0033:0x7fe936c7f1e7
[ 120.146030][ T1046] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  120.147179][ T1046] RSP: 002b:00007fffc9f90618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.147690][ T1046] RAX: ffffffffffffffda RBX: 00007fffc9f90d40 RCX: 00007fe936c7f1e7
[  120.148199][ T1046] RDX: 0000000000000000 RSI: 00007fffc9f90680 RDI: 0000000000000005
[  120.148713][ T1046] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  120.149202][ T1046] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffc9f90d78
[  120.149721][ T1046] R13: 00000000686e5e3d R14: 0000000000499600 R15: 0000000000000000
| [  120.298912][ T1048] ------------[ cut here ]------------
| [ 120.299468][ T1048] WARNING: CPU: 3 PID: 1048 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  120.300560][ T1048] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  120.302804][ T1048] Tainted: [W]=WARN
[  120.303238][ T1048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.304334][ T1048] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 120.305350][ T1048] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  120.307666][ T1048] RSP: 0018:ffffc90000707080 EFLAGS: 00010246
[  120.308392][ T1048] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  120.309524][ T1048] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  120.310653][ T1048] RBP: ffffc90000707168 R08: 0000000000000000 R09: 0000000000000000
[  120.311469][ T1048] R10: ffffc90000707198 R11: ffffffff9a8a8918 R12: 1ffff920000e0e14
[  120.312270][ T1048] R13: 00000000000005dc R14: ffffc90000707198 R15: ffff888010c9af08
[  120.312867][ T1048] FS:  00007f47e4c74800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  120.313447][ T1048] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.313855][ T1048] CR2: 00007efe480ab840 CR3: 000000000a3b3001 CR4: 0000000000772ef0
[  120.314343][ T1048] PKRU: 55555554
[  120.314601][ T1048] Call Trace:
[  120.314842][ T1048]  <TASK>
[ 120.315019][ T1048] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.315342][ T1048] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.315668][ T1048] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.316074][ T1048] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.316391][ T1048] netif_set_mtu (net/core/dev.c:9652) 
[ 120.316716][ T1048] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.317044][ T1048] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.317475][ T1048] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.317725][ T1048] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.318165][ T1048] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.318534][ T1048] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 120.318860][ T1048] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 120.319185][ T1048] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 120.319502][ T1048] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 120.319828][ T1048] ? __dev_get_by_name (net/core/dev.c:865) 
[ 120.320309][ T1048] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.320633][ T1048] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.320958][ T1048] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.321269][ T1048] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.321602][ T1048] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 120.321938][ T1048] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.322269][ T1048] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.322609][ T1048] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.322932][ T1048] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.323249][ T1048] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.323582][ T1048] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.323896][ T1048] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.324228][ T1048] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.324549][ T1048] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.324877][ T1048] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.325211][ T1048] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.325538][ T1048] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.325867][ T1048] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 120.326190][ T1048] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 120.326508][ T1048] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.326836][ T1048] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.327166][ T1048] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.327488][ T1048] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.327810][ T1048] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.328248][ T1048] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.328591][ T1048] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.328904][ T1048] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.329308][ T1048] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 120.329639][ T1048] ___sys_sendmsg (net/socket.c:2670) 
[ 120.329964][ T1048] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.330281][ T1048] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.330614][ T1048] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.330942][ T1048] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.331271][ T1048] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.331596][ T1048] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.331928][ T1048] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.332492][ T1048] __sys_sendmsg (net/socket.c:2700) 
[ 120.332819][ T1048] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.333152][ T1048] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 120.333485][ T1048] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 120.334064][ T1048] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.334388][ T1048] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.334712][ T1048] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.335345][ T1048] RIP: 0033:0x7f47e4e411e7
[ 120.335923][ T1048] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  120.337082][ T1048] RSP: 002b:00007ffda396c5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.337556][ T1048] RAX: ffffffffffffffda RBX: 00007ffda396ccf0 RCX: 00007f47e4e411e7
[  120.338038][ T1048] RDX: 0000000000000000 RSI: 00007ffda396c630 RDI: 0000000000000005
[  120.338524][ T1048] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  120.339006][ T1048] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda396cd28
[  120.339719][ T1048] R13: 00000000686e5e3e R14: 0000000000499600 R15: 0000000000000000
| [  120.506696][ T1051] ------------[ cut here ]------------
| [ 120.507097][ T1051] WARNING: CPU: 2 PID: 1051 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  120.507844][ T1051] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  120.509192][ T1051] Tainted: [W]=WARN
[  120.509486][ T1051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.509959][ T1051] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 120.510352][ T1051] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  120.511641][ T1051] RSP: 0018:ffffc90000707080 EFLAGS: 00010246
[  120.512107][ T1051] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  120.512686][ T1051] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  120.513246][ T1051] RBP: ffffc90000707168 R08: 0000000000000000 R09: 0000000000000000
[  120.513844][ T1051] R10: ffffc90000707198 R11: ffffffff9a8a8918 R12: 1ffff920000e0e14
[  120.514401][ T1051] R13: 00000000000005dc R14: ffffc90000707198 R15: ffff888010c9af08
[  120.514963][ T1051] FS:  00007fc789918800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  120.515636][ T1051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.516107][ T1051] CR2: 00000000004a1738 CR3: 000000000c3a7001 CR4: 0000000000772ef0
[  120.516672][ T1051] PKRU: 55555554
[  120.516969][ T1051] Call Trace:
[  120.517250][ T1051]  <TASK>
[ 120.517449][ T1051] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.517840][ T1051] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.518218][ T1051] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.518691][ T1051] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.519080][ T1051] netif_set_mtu (net/core/dev.c:9652) 
[ 120.519459][ T1051] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.519862][ T1051] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.520372][ T1051] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.520671][ T1051] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.521177][ T1051] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.521622][ T1051] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 120.522009][ T1051] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 120.522401][ T1051] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 120.522794][ T1051] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 120.523170][ T1051] ? __dev_get_by_name (net/core/dev.c:865) 
[ 120.523541][ T1051] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.523925][ T1051] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.524311][ T1051] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.524695][ T1051] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.525083][ T1051] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 120.525486][ T1051] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.525882][ T1051] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.526297][ T1051] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.526682][ T1051] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.527041][ T1051] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.527420][ T1051] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.527801][ T1051] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.528187][ T1051] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.528591][ T1051] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.528959][ T1051] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.529345][ T1051] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.529741][ T1051] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.530120][ T1051] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 120.530489][ T1051] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 120.530878][ T1051] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.531251][ T1051] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.531636][ T1051] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.532016][ T1051] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.532384][ T1051] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.532786][ T1051] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.533160][ T1051] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.533539][ T1051] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.534022][ T1051] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 120.534404][ T1051] ___sys_sendmsg (net/socket.c:2670) 
[ 120.534793][ T1051] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.535175][ T1051] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.535563][ T1051] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.535960][ T1051] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.536346][ T1051] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.536744][ T1051] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.537113][ T1051] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.537509][ T1051] __sys_sendmsg (net/socket.c:2700) 
[ 120.537909][ T1051] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.538289][ T1051] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 120.538695][ T1051] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 120.539078][ T1051] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.539452][ T1051] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.539894][ T1051] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.540360][ T1051] RIP: 0033:0x7fc789ae51e7
[ 120.540765][ T1051] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  120.542080][ T1051] RSP: 002b:00007ffd56974588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.542645][ T1051] RAX: ffffffffffffffda RBX: 00007ffd56974cb0 RCX: 00007fc789ae51e7
[  120.543196][ T1051] RDX: 0000000000000000 RSI: 00007ffd569745f0 RDI: 0000000000000005
[  120.543754][ T1051] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  120.544314][ T1051] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd56974ce8
[  120.544870][ T1051] R13: 00000000686e5e3e R14: 0000000000499600 R15: 0000000000000000
| [  120.702091][ T1052] ------------[ cut here ]------------
| [ 120.702415][ T1052] WARNING: CPU: 0 PID: 1052 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  120.703132][ T1052] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  120.704313][ T1052] Tainted: [W]=WARN
[  120.704559][ T1052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.704981][ T1052] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 120.705320][ T1052] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  120.706485][ T1052] RSP: 0018:ffffc90000707080 EFLAGS: 00010246
[  120.706911][ T1052] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  120.707412][ T1052] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  120.707940][ T1052] RBP: ffffc90000707168 R08: 0000000000000000 R09: 0000000000000000
[  120.708409][ T1052] R10: ffffc90000707198 R11: ffffffff9a8a8918 R12: 1ffff920000e0e14
[  120.708907][ T1052] R13: 00000000000005dc R14: ffffc90000707198 R15: ffff888010c9af08
[  120.709379][ T1052] FS:  00007f67e5c14800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  120.709957][ T1052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.710357][ T1052] CR2: 00007efe480aad40 CR3: 0000000004fdc003 CR4: 0000000000772ef0
[  120.710839][ T1052] PKRU: 55555554
[  120.711087][ T1052] Call Trace:
[  120.711328][ T1052]  <TASK>
[ 120.711491][ T1052] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.711827][ T1052] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.712143][ T1052] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.712539][ T1052] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.712871][ T1052] netif_set_mtu (net/core/dev.c:9652) 
[ 120.713191][ T1052] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.713521][ T1052] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.713977][ T1052] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.714222][ T1052] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.714658][ T1052] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.715016][ T1052] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 120.715334][ T1052] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 120.715675][ T1052] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 120.715992][ T1052] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 120.716297][ T1052] ? __dev_get_by_name (net/core/dev.c:865) 
[ 120.716623][ T1052] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.716936][ T1052] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.717256][ T1052] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.717578][ T1052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.717908][ T1052] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 120.718233][ T1052] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.718579][ T1052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.718910][ T1052] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.719226][ T1052] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.719544][ T1052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.719870][ T1052] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.720187][ T1052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.720508][ T1052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.720845][ T1052] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.721160][ T1052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.721485][ T1052] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.721824][ T1052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.722143][ T1052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 120.722466][ T1052] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 120.722793][ T1052] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.723114][ T1052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.723435][ T1052] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.723778][ T1052] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.724093][ T1052] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.724427][ T1052] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.724766][ T1052] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.725089][ T1052] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.725483][ T1052] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 120.725817][ T1052] ___sys_sendmsg (net/socket.c:2670) 
[ 120.726130][ T1052] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.726443][ T1052] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.726769][ T1052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.727082][ T1052] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.727402][ T1052] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.727727][ T1052] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.728037][ T1052] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.728368][ T1052] __sys_sendmsg (net/socket.c:2700) 
[ 120.728712][ T1052] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.729022][ T1052] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 120.729346][ T1052] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 120.729677][ T1052] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.729998][ T1052] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.730312][ T1052] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.730710][ T1052] RIP: 0033:0x7f67e5de11e7
[ 120.731034][ T1052] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  120.732163][ T1052] RSP: 002b:00007fff26483198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.732644][ T1052] RAX: ffffffffffffffda RBX: 00007fff264838c0 RCX: 00007f67e5de11e7
[  120.733111][ T1052] RDX: 0000000000000000 RSI: 00007fff26483200 RDI: 0000000000000005
[  120.733589][ T1052] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  120.734057][ T1052] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff264838f8
[  120.734525][ T1052] R13: 00000000686e5e3e R14: 0000000000499600 R15: 0000000000000000
| [  120.907739][ T1055] ------------[ cut here ]------------
| [ 120.908050][ T1055] WARNING: CPU: 3 PID: 1055 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  120.908798][ T1055] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  120.909930][ T1055] Tainted: [W]=WARN
[  120.910166][ T1055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.910562][ T1055] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 120.910892][ T1055] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  120.912013][ T1055] RSP: 0018:ffffc90000527080 EFLAGS: 00010246
[  120.912403][ T1055] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  120.912883][ T1055] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  120.913360][ T1055] RBP: ffffc90000527168 R08: 0000000000000000 R09: 0000000000000000
[  120.913834][ T1055] R10: ffffc90000527198 R11: ffffffff9a8a8918 R12: 1ffff920000a4e14
[  120.914302][ T1055] R13: 00000000000005dc R14: ffffc90000527198 R15: ffff888010c9af08
[  120.914777][ T1055] FS:  00007f3eb39af800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  120.915339][ T1055] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.915743][ T1055] CR2: 00000000004a1738 CR3: 000000000f31f004 CR4: 0000000000772ef0
[  120.916214][ T1055] PKRU: 55555554
[  120.916454][ T1055] Call Trace:
[  120.916711][ T1055]  <TASK>
[ 120.916874][ T1055] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.917201][ T1055] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.917516][ T1055] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.917915][ T1055] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.918234][ T1055] netif_set_mtu (net/core/dev.c:9652) 
[ 120.918581][ T1055] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.918909][ T1055] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.919341][ T1055] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.919588][ T1055] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.920011][ T1055] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.920370][ T1055] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 120.920699][ T1055] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 120.921018][ T1055] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 120.921333][ T1055] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 120.921651][ T1055] ? __dev_get_by_name (net/core/dev.c:865) 
[ 120.921963][ T1055] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.922278][ T1055] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.922606][ T1055] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.922914][ T1055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.923237][ T1055] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 120.923559][ T1055] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.923885][ T1055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.924211][ T1055] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.924520][ T1055] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.924843][ T1055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.925159][ T1055] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.925478][ T1055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.925810][ T1055] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.926131][ T1055] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.926449][ T1055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.926777][ T1055] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.927190][ T1055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.927516][ T1055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 120.927843][ T1055] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 120.928163][ T1055] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.928504][ T1055] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.928836][ T1055] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.929152][ T1055] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.929474][ T1055] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.929804][ T1055] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.930125][ T1055] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.930437][ T1055] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.930842][ T1055] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 120.931168][ T1055] ___sys_sendmsg (net/socket.c:2670) 
[ 120.931486][ T1055] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.931815][ T1055] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.932136][ T1055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.932447][ T1055] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.932778][ T1055] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.933096][ T1055] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.933410][ T1055] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.933748][ T1055] __sys_sendmsg (net/socket.c:2700) 
[ 120.934062][ T1055] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.934376][ T1055] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 120.934705][ T1055] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 120.935024][ T1055] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.935342][ T1055] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.935663][ T1055] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.936053][ T1055] RIP: 0033:0x7f3eb3b7c1e7
[ 120.936380][ T1055] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  120.937520][ T1055] RSP: 002b:00007ffc62067eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.938005][ T1055] RAX: ffffffffffffffda RBX: 00007ffc620685e0 RCX: 00007f3eb3b7c1e7
[  120.938496][ T1055] RDX: 0000000000000000 RSI: 00007ffc62067f20 RDI: 0000000000000005
[  120.938980][ T1055] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  120.939452][ T1055] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc62068618
[  120.939930][ T1055] R13: 00000000686e5e3e R14: 0000000000499600 R15: 0000000000000000
| [  121.108920][ T1056] ------------[ cut here ]------------
| [ 121.109256][ T1056] WARNING: CPU: 2 PID: 1056 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  121.109930][ T1056] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  121.111130][ T1056] Tainted: [W]=WARN
[  121.111392][ T1056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.111816][ T1056] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 121.112157][ T1056] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  121.113313][ T1056] RSP: 0018:ffffc90000507080 EFLAGS: 00010246
[  121.113746][ T1056] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  121.114231][ T1056] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  121.114739][ T1056] RBP: ffffc90000507168 R08: 0000000000000000 R09: 0000000000000000
[  121.115225][ T1056] R10: ffffc90000507198 R11: ffffffff9a8a8918 R12: 1ffff920000a0e14
[  121.116032][ T1056] R13: 00000000000005dc R14: ffffc90000507198 R15: ffff888010c9af08
[  121.116719][ T1056] FS:  00007f25ac73d800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  121.117285][ T1056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.117728][ T1056] CR2: 00000000004a1738 CR3: 000000000c3a7006 CR4: 0000000000772ef0
[  121.118211][ T1056] PKRU: 55555554
[  121.118481][ T1056] Call Trace:
[  121.118740][ T1056]  <TASK>
[ 121.118918][ T1056] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.119265][ T1056] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 121.119621][ T1056] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 121.120032][ T1056] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 121.120376][ T1056] netif_set_mtu (net/core/dev.c:9652) 
[ 121.120720][ T1056] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 121.121064][ T1056] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 121.121531][ T1056] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 121.121797][ T1056] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 121.122245][ T1056] br_add_if (net/bridge/br_if.c:697) bridge 
[ 121.122639][ T1056] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 121.122968][ T1056] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 121.123307][ T1056] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 121.123664][ T1056] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 121.123991][ T1056] ? __dev_get_by_name (net/core/dev.c:865) 
[ 121.124318][ T1056] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.124808][ T1056] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.125143][ T1056] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.125474][ T1056] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.125822][ T1056] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 121.126162][ T1056] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.126496][ T1056] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.126842][ T1056] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.127168][ T1056] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.127497][ T1056] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.127834][ T1056] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.128162][ T1056] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.128509][ T1056] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.128851][ T1056] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.129179][ T1056] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.129526][ T1056] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.129877][ T1056] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.130206][ T1056] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 121.130540][ T1056] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 121.130879][ T1056] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.131212][ T1056] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.131550][ T1056] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.131893][ T1056] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.132227][ T1056] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.132575][ T1056] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.132909][ T1056] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.133248][ T1056] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.133712][ T1056] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 121.134073][ T1056] ___sys_sendmsg (net/socket.c:2670) 
[ 121.134421][ T1056] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.134777][ T1056] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 121.135125][ T1056] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.135473][ T1056] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 121.135836][ T1056] ? __handle_mm_fault (mm/memory.c:6212) 
[ 121.136184][ T1056] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 121.136527][ T1056] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 121.136901][ T1056] __sys_sendmsg (net/socket.c:2700) 
[ 121.137248][ T1056] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.137747][ T1056] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 121.138283][ T1056] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 121.138892][ T1056] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.139462][ T1056] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.139882][ T1056] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.140299][ T1056] RIP: 0033:0x7f25ac90a1e7
[ 121.140811][ T1056] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  121.142588][ T1056] RSP: 002b:00007ffe8f78f488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.143387][ T1056] RAX: ffffffffffffffda RBX: 00007ffe8f78fbb0 RCX: 00007f25ac90a1e7
[  121.144278][ T1056] RDX: 0000000000000000 RSI: 00007ffe8f78f4f0 RDI: 0000000000000005
[  121.145019][ T1056] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  121.145782][ T1056] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe8f78fbe8
[  121.146606][ T1056] R13: 00000000686e5e3e R14: 0000000000499600 R15: 0000000000000000
| [  121.340676][ T1059] ------------[ cut here ]------------
| [ 121.341024][ T1059] WARNING: CPU: 0 PID: 1059 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  121.341772][ T1059] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  121.343002][ T1059] Tainted: [W]=WARN
[  121.343256][ T1059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.343662][ T1059] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 121.344006][ T1059] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  121.345152][ T1059] RSP: 0018:ffffc900004f7080 EFLAGS: 00010246
[  121.345551][ T1059] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  121.346049][ T1059] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  121.346543][ T1059] RBP: ffffc900004f7168 R08: 0000000000000000 R09: 0000000000000000
[  121.347055][ T1059] R10: ffffc900004f7198 R11: ffffffff9a8a8918 R12: 1ffff9200009ee14
[  121.347530][ T1059] R13: 00000000000005dc R14: ffffc900004f7198 R15: ffff888010c9af08
[  121.348027][ T1059] FS:  00007fb11f08f800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  121.348633][ T1059] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.349155][ T1059] CR2: 00000000004a1738 CR3: 000000000f560005 CR4: 0000000000772ef0
[  121.349736][ T1059] PKRU: 55555554
[  121.349992][ T1059] Call Trace:
[  121.350228][ T1059]  <TASK>
[ 121.350395][ T1059] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.350733][ T1059] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 121.351179][ T1059] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 121.351850][ T1059] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 121.352420][ T1059] netif_set_mtu (net/core/dev.c:9652) 
[ 121.353000][ T1059] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 121.353597][ T1059] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 121.354156][ T1059] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 121.354595][ T1059] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 121.355040][ T1059] br_add_if (net/bridge/br_if.c:697) bridge 
[ 121.355394][ T1059] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 121.355719][ T1059] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 121.356067][ T1059] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 121.356394][ T1059] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 121.356719][ T1059] ? __dev_get_by_name (net/core/dev.c:865) 
[ 121.357053][ T1059] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.357365][ T1059] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.357689][ T1059] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.358018][ T1059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.358335][ T1059] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 121.358683][ T1059] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.359103][ T1059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.359678][ T1059] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.360012][ T1059] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.360342][ T1059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.360664][ T1059] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.360996][ T1059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.361320][ T1059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.361657][ T1059] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.361988][ T1059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.362304][ T1059] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.362643][ T1059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.362975][ T1059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 121.363292][ T1059] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 121.363645][ T1059] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.364004][ T1059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.364478][ T1059] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.364808][ T1059] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.365141][ T1059] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.365467][ T1059] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.365799][ T1059] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.366127][ T1059] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.366545][ T1059] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 121.366876][ T1059] ___sys_sendmsg (net/socket.c:2670) 
[ 121.367213][ T1059] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.367533][ T1059] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 121.367861][ T1059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.368189][ T1059] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 121.368526][ T1059] ? __handle_mm_fault (mm/memory.c:6212) 
[ 121.368854][ T1059] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 121.369184][ T1059] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 121.369517][ T1059] __sys_sendmsg (net/socket.c:2700) 
[ 121.369846][ T1059] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.370181][ T1059] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 121.370504][ T1059] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 121.370838][ T1059] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.371175][ T1059] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.371491][ T1059] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.371893][ T1059] RIP: 0033:0x7fb11f25c1e7
[ 121.372234][ T1059] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  121.373435][ T1059] RSP: 002b:00007ffcb4294568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.373935][ T1059] RAX: ffffffffffffffda RBX: 00007ffcb4294c90 RCX: 00007fb11f25c1e7
[  121.374415][ T1059] RDX: 0000000000000000 RSI: 00007ffcb42945d0 RDI: 0000000000000005
[  121.374893][ T1059] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  121.375379][ T1059] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcb4294cc8
[  121.375864][ T1059] R13: 00000000686e5e3f R14: 0000000000499600 R15: 0000000000000000
| [  121.532047][ T1060] ------------[ cut here ]------------
| [ 121.532381][ T1060] WARNING: CPU: 2 PID: 1060 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  121.533098][ T1060] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  121.534294][ T1060] Tainted: [W]=WARN
[  121.534548][ T1060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.534989][ T1060] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 121.535345][ T1060] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  121.536494][ T1060] RSP: 0000:ffffc900007c7080 EFLAGS: 00010246
[  121.536915][ T1060] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  121.537408][ T1060] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  121.537909][ T1060] RBP: ffffc900007c7168 R08: 0000000000000000 R09: 0000000000000000
[  121.538403][ T1060] R10: ffffc900007c7198 R11: ffffffff9a8a8918 R12: 1ffff920000f8e14
[  121.538913][ T1060] R13: 00000000000005dc R14: ffffc900007c7198 R15: ffff888010c9af08
[  121.539398][ T1060] FS:  00007f794fc23800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  121.539980][ T1060] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.540400][ T1060] CR2: 00007efe480c27d0 CR3: 000000000bdd5005 CR4: 0000000000772ef0
[  121.540897][ T1060] PKRU: 55555554
[  121.541146][ T1060] Call Trace:
[  121.541395][ T1060]  <TASK>
[ 121.541579][ T1060] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.541923][ T1060] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 121.542257][ T1060] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 121.542677][ T1060] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 121.543021][ T1060] netif_set_mtu (net/core/dev.c:9652) 
[ 121.543354][ T1060] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 121.543711][ T1060] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 121.544168][ T1060] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 121.544427][ T1060] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 121.544872][ T1060] br_add_if (net/bridge/br_if.c:697) bridge 
[ 121.545244][ T1060] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 121.545580][ T1060] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 121.545915][ T1060] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 121.546252][ T1060] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 121.546585][ T1060] ? __dev_get_by_name (net/core/dev.c:865) 
[ 121.546915][ T1060] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.547247][ T1060] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.547588][ T1060] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.547915][ T1060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.548249][ T1060] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 121.548616][ T1060] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.548952][ T1060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.549293][ T1060] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.549626][ T1060] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.549960][ T1060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.550285][ T1060] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.550620][ T1060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.550953][ T1060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.551293][ T1060] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.551632][ T1060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.551969][ T1060] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.552317][ T1060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.552655][ T1060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 121.552987][ T1060] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 121.553319][ T1060] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.553656][ T1060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.553997][ T1060] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.554333][ T1060] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.554672][ T1060] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.555017][ T1060] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.555355][ T1060] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.555693][ T1060] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.556101][ T1060] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 121.556440][ T1060] ___sys_sendmsg (net/socket.c:2670) 
[ 121.556777][ T1060] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.557108][ T1060] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 121.557440][ T1060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.557793][ T1060] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 121.558127][ T1060] ? __handle_mm_fault (mm/memory.c:6212) 
[ 121.558471][ T1060] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 121.558819][ T1060] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 121.559170][ T1060] __sys_sendmsg (net/socket.c:2700) 
[ 121.559500][ T1060] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.559844][ T1060] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 121.560181][ T1060] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 121.560513][ T1060] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.560853][ T1060] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.561192][ T1060] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.561633][ T1060] RIP: 0033:0x7f794fdf01e7
[ 121.561975][ T1060] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  121.563124][ T1060] RSP: 002b:00007fff6ecc1908 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.563622][ T1060] RAX: ffffffffffffffda RBX: 00007fff6ecc2030 RCX: 00007f794fdf01e7
[  121.564108][ T1060] RDX: 0000000000000000 RSI: 00007fff6ecc1970 RDI: 0000000000000005
[  121.564610][ T1060] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  121.565109][ T1060] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff6ecc2068
[  121.565604][ T1060] R13: 00000000686e5e3f R14: 0000000000499600 R15: 0000000000000000
| [  121.710486][ T1062] ------------[ cut here ]------------
| [ 121.711194][ T1062] WARNING: CPU: 0 PID: 1062 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  121.712304][ T1062] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  121.713714][ T1062] Tainted: [W]=WARN
[  121.713953][ T1062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.714352][ T1062] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 121.714687][ T1062] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  121.715820][ T1062] RSP: 0000:ffffc900005a7080 EFLAGS: 00010246
[  121.716216][ T1062] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  121.716697][ T1062] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  121.717168][ T1062] RBP: ffffc900005a7168 R08: 0000000000000000 R09: 0000000000000000
[  121.717644][ T1062] R10: ffffc900005a7198 R11: ffffffff9a8a8918 R12: 1ffff920000b4e14
[  121.718120][ T1062] R13: 00000000000005dc R14: ffffc900005a7198 R15: ffff888010c9af08
[  121.718607][ T1062] FS:  00007fdd950cc800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  121.719160][ T1062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.719553][ T1062] CR2: 00007efe47da4b0a CR3: 000000000feb7006 CR4: 0000000000772ef0
[  121.720036][ T1062] PKRU: 55555554
[  121.720271][ T1062] Call Trace:
[  121.720507][ T1062]  <TASK>
[ 121.720677][ T1062] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.720996][ T1062] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 121.721313][ T1062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 121.721713][ T1062] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 121.722029][ T1062] netif_set_mtu (net/core/dev.c:9652) 
[ 121.722344][ T1062] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 121.722677][ T1062] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 121.723112][ T1062] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 121.723354][ T1062] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 121.723785][ T1062] br_add_if (net/bridge/br_if.c:697) bridge 
[ 121.724143][ T1062] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 121.724465][ T1062] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 121.724792][ T1062] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 121.725109][ T1062] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 121.725420][ T1062] ? __dev_get_by_name (net/core/dev.c:865) 
[ 121.725744][ T1062] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.726059][ T1062] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.726376][ T1062] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.726697][ T1062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.727017][ T1062] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 121.727345][ T1062] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.727673][ T1062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.728000][ T1062] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.728312][ T1062] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.728655][ T1062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.728970][ T1062] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.729294][ T1062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.729619][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.729940][ T1062] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.730253][ T1062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.730575][ T1062] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.730917][ T1062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.731240][ T1062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 121.731557][ T1062] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 121.731887][ T1062] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.732199][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.732517][ T1062] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.732838][ T1062] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.733151][ T1062] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.733480][ T1062] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.733810][ T1062] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.734137][ T1062] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.734531][ T1062] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 121.734858][ T1062] ___sys_sendmsg (net/socket.c:2670) 
[ 121.735173][ T1062] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.735485][ T1062] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 121.735812][ T1062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.736127][ T1062] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 121.736454][ T1062] ? __handle_mm_fault (mm/memory.c:6212) 
[ 121.736782][ T1062] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 121.737104][ T1062] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 121.737435][ T1062] __sys_sendmsg (net/socket.c:2700) 
[ 121.737757][ T1062] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.738089][ T1062] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 121.738410][ T1062] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 121.738749][ T1062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.739064][ T1062] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.739383][ T1062] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.739781][ T1062] RIP: 0033:0x7fdd952991e7
[ 121.740110][ T1062] Code: Unable to access opcode bytes at 0x7fdd952991bd.

Code starting with the faulting instruction
===========================================
[  121.740517][ T1062] RSP: 002b:00007ffd89b8b308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.741008][ T1062] RAX: ffffffffffffffda RBX: 00007ffd89b8ba30 RCX: 00007fdd952991e7
[  121.741477][ T1062] RDX: 0000000000000000 RSI: 00007ffd89b8b370 RDI: 0000000000000005
[  121.741959][ T1062] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  121.742436][ T1062] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd89b8ba68
[  121.742914][ T1062] R13: 00000000686e5e3f R14: 0000000000499600 R15: 0000000000000000
| [  121.896147][ T1064] ------------[ cut here ]------------
| [ 121.896484][ T1064] WARNING: CPU: 0 PID: 1064 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  121.897843][ T1064] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  121.899144][ T1064] Tainted: [W]=WARN
[  121.899394][ T1064] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.899820][ T1064] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 121.900157][ T1064] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  121.901347][ T1064] RSP: 0018:ffffc90000597080 EFLAGS: 00010246
[  121.901753][ T1064] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  121.902261][ T1064] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  121.902740][ T1064] RBP: ffffc90000597168 R08: 0000000000000000 R09: 0000000000000000
[  121.903218][ T1064] R10: ffffc90000597198 R11: ffffffff9a8a8918 R12: 1ffff920000b2e14
[  121.903700][ T1064] R13: 00000000000005dc R14: ffffc90000597198 R15: ffff888010c9af08
[  121.904183][ T1064] FS:  00007fef26f7b800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  121.904745][ T1064] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.905151][ T1064] CR2: 00007efe480ab840 CR3: 0000000009125002 CR4: 0000000000772ef0
[  121.905633][ T1064] PKRU: 55555554
[  121.905869][ T1064] Call Trace:
[  121.906110][ T1064]  <TASK>
[ 121.906281][ T1064] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.906613][ T1064] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 121.906934][ T1064] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 121.907335][ T1064] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 121.907681][ T1064] netif_set_mtu (net/core/dev.c:9652) 
[ 121.908004][ T1064] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 121.908334][ T1064] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 121.908802][ T1064] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 121.909047][ T1064] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 121.909469][ T1064] br_add_if (net/bridge/br_if.c:697) bridge 
[ 121.909835][ T1064] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 121.910172][ T1064] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 121.910494][ T1064] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 121.910826][ T1064] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 121.911150][ T1064] ? __dev_get_by_name (net/core/dev.c:865) 
[ 121.911467][ T1064] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.911803][ T1064] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.912142][ T1064] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.912462][ T1064] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.912801][ T1064] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 121.913164][ T1064] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.913484][ T1064] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.913822][ T1064] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.914137][ T1064] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.914453][ T1064] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.914785][ T1064] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.915101][ T1064] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.915418][ T1064] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.915745][ T1064] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.916078][ T1064] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.916402][ T1064] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.916744][ T1064] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.917084][ T1064] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 121.917401][ T1064] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 121.917729][ T1064] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.918043][ T1064] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.918366][ T1064] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.918712][ T1064] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.919048][ T1064] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.919381][ T1064] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.919709][ T1064] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.920029][ T1064] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.920432][ T1064] ___sys_sendmsg (net/socket.c:2670) 
[ 121.920754][ T1064] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.921073][ T1064] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 121.921394][ T1064] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 121.921713][ T1064] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 121.922043][ T1064] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.922370][ T1064] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.922701][ T1064] __sys_sendmsg (net/socket.c:2700) 
[ 121.923023][ T1064] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.923355][ T1064] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.923680][ T1064] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.924003][ T1064] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.924398][ T1064] RIP: 0033:0x7fef271481e7
[ 121.924734][ T1064] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  121.925877][ T1064] RSP: 002b:00007ffdce2edcb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.926364][ T1064] RAX: ffffffffffffffda RBX: 00007ffdce2ee3e0 RCX: 00007fef271481e7
[  121.926857][ T1064] RDX: 0000000000000000 RSI: 00007ffdce2edd20 RDI: 0000000000000005
[  121.927349][ T1064] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  121.927831][ T1064] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdce2ee418
[  121.928324][ T1064] R13: 00000000686e5e3f R14: 0000000000499600 R15: 0000000000000000
| [  158.230817][ T1287] ------------[ cut here ]------------
| [ 158.231167][ T1287] WARNING: CPU: 3 PID: 1287 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  158.232005][ T1287] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.233483][ T1287] Tainted: [W]=WARN
[  158.234831][ T1287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.235399][ T1287] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 158.235893][ T1287] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  158.237153][ T1287] RSP: 0018:ffffc90000e37080 EFLAGS: 00010246
[  158.237727][ T1287] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  158.238248][ T1287] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  158.238820][ T1287] RBP: ffffc90000e37168 R08: 0000000000000000 R09: 0000000000000000
[  158.239396][ T1287] R10: ffffc90000e37198 R11: ffffffff9a8a8918 R12: 1ffff920001c6e14
[  158.240017][ T1287] R13: 00000000000005dc R14: ffffc90000e37198 R15: ffff88800fa6af08
[  158.240563][ T1287] FS:  00007f24ffc1c800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  158.241253][ T1287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.241728][ T1287] CR2: 00000000004a1738 CR3: 000000000fd2c004 CR4: 0000000000772ef0
[  158.242330][ T1287] PKRU: 55555554
[  158.242627][ T1287] Call Trace:
[  158.242973][ T1287]  <TASK>
[ 158.243155][ T1287] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.243653][ T1287] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.244044][ T1287] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.244479][ T1287] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.244833][ T1287] netif_set_mtu (net/core/dev.c:9652) 
[ 158.245172][ T1287] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.245637][ T1287] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.246116][ T1287] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.246398][ T1287] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.246867][ T1287] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.247343][ T1287] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 158.247718][ T1287] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.248152][ T1287] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.248531][ T1287] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.248969][ T1287] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.249309][ T1287] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.249770][ T1287] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.250200][ T1287] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.250560][ T1287] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.250930][ T1287] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.251279][ T1287] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.251863][ T1287] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.252253][ T1287] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.252642][ T1287] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.253043][ T1287] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.253389][ T1287] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.253746][ T1287] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.254085][ T1287] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.254536][ T1287] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.254896][ T1287] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.255385][ T1287] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.255769][ T1287] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.256104][ T1287] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 158.256528][ T1287] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 158.256999][ T1287] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.257337][ T1287] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.257710][ T1287] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.258056][ T1287] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.258417][ T1287] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.258790][ T1287] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.259152][ T1287] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.259485][ T1287] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.259959][ T1287] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.260332][ T1287] ___sys_sendmsg (net/socket.c:2670) 
[ 158.260703][ T1287] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.261056][ T1287] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.261397][ T1287] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.261758][ T1287] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.262144][ T1287] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.262486][ T1287] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.262833][ T1287] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.263190][ T1287] __sys_sendmsg (net/socket.c:2700) 
[ 158.263595][ T1287] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.263960][ T1287] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 158.264315][ T1287] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 158.264716][ T1287] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.265078][ T1287] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.265440][ T1287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.265913][ T1287] RIP: 0033:0x7f24ffde91e7
[ 158.266300][ T1287] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  158.267563][ T1287] RSP: 002b:00007ffc31d182b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.268105][ T1287] RAX: ffffffffffffffda RBX: 00007ffc31d189e0 RCX: 00007f24ffde91e7
[  158.268637][ T1287] RDX: 0000000000000000 RSI: 00007ffc31d18320 RDI: 0000000000000005
[  158.269165][ T1287] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.269711][ T1287] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc31d18a18
[  158.270262][ T1287] R13: 00000000686e5e63 R14: 0000000000499600 R15: 0000000000000000
| [  158.425548][ T1288] ------------[ cut here ]------------
| [ 158.425883][ T1288] WARNING: CPU: 0 PID: 1288 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  158.426510][ T1288] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.427681][ T1288] Tainted: [W]=WARN
[  158.427921][ T1288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.428318][ T1288] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 158.428670][ T1288] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  158.429829][ T1288] RSP: 0018:ffffc90000e37080 EFLAGS: 00010246
[  158.430238][ T1288] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  158.430756][ T1288] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  158.431237][ T1288] RBP: ffffc90000e37168 R08: 0000000000000000 R09: 0000000000000000
[  158.431737][ T1288] R10: ffffc90000e37198 R11: ffffffff9a8a8918 R12: 1ffff920001c6e14
[  158.432224][ T1288] R13: 00000000000005dc R14: ffffc90000e37198 R15: ffff88800fa6af08
[  158.432732][ T1288] FS:  00007fc0e1465800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  158.433307][ T1288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.433722][ T1288] CR2: 00007ffe220f3eb8 CR3: 000000000f35b002 CR4: 0000000000772ef0
[  158.434227][ T1288] PKRU: 55555554
[  158.434467][ T1288] Call Trace:
[  158.434722][ T1288]  <TASK>
[ 158.434887][ T1288] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.435240][ T1288] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.435576][ T1288] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.436000][ T1288] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.436336][ T1288] netif_set_mtu (net/core/dev.c:9652) 
[ 158.436669][ T1288] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.437019][ T1288] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.437501][ T1288] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.437754][ T1288] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.438206][ T1288] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.438595][ T1288] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 158.438921][ T1288] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.439265][ T1288] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.439609][ T1288] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.439921][ T1288] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.440265][ T1288] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.440595][ T1288] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.440921][ T1288] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.441240][ T1288] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.441578][ T1288] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.441907][ T1288] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.442234][ T1288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.442573][ T1288] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.442892][ T1288] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.443212][ T1288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.443532][ T1288] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.443865][ T1288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.444188][ T1288] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.444516][ T1288] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.444852][ T1288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.445178][ T1288] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.445518][ T1288] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.445836][ T1288] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 158.446158][ T1288] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 158.446479][ T1288] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.446807][ T1288] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.447134][ T1288] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.447455][ T1288] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.447787][ T1288] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.448113][ T1288] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.448436][ T1288] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.448778][ T1288] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.449179][ T1288] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.449501][ T1288] ___sys_sendmsg (net/socket.c:2670) 
[ 158.449829][ T1288] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.450148][ T1288] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.450469][ T1288] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.450795][ T1288] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.451119][ T1288] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.451433][ T1288] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.451755][ T1288] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.452086][ T1288] __sys_sendmsg (net/socket.c:2700) 
[ 158.452400][ T1288] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.452728][ T1288] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 158.453056][ T1288] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 158.453373][ T1288] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.453697][ T1288] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.454017][ T1288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.454405][ T1288] RIP: 0033:0x7fc0e16321e7
[ 158.454740][ T1288] Code: Unable to access opcode bytes at 0x7fc0e16321bd.

Code starting with the faulting instruction
===========================================
[  158.455149][ T1288] RSP: 002b:00007ffdb01ed288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.455635][ T1288] RAX: ffffffffffffffda RBX: 00007ffdb01ed9b0 RCX: 00007fc0e16321e7
[  158.456109][ T1288] RDX: 0000000000000000 RSI: 00007ffdb01ed2f0 RDI: 0000000000000005
[  158.456587][ T1288] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.457057][ T1288] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdb01ed9e8
[  158.457526][ T1288] R13: 00000000686e5e64 R14: 0000000000499600 R15: 0000000000000000
| [  158.596343][ T1292] ------------[ cut here ]------------
| [ 158.596710][ T1292] WARNING: CPU: 0 PID: 1292 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  158.597399][ T1292] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.598700][ T1292] Tainted: [W]=WARN
[  158.598969][ T1292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.599401][ T1292] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 158.599762][ T1292] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  158.601032][ T1292] RSP: 0018:ffffc90000e37080 EFLAGS: 00010246
[  158.601462][ T1292] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  158.601972][ T1292] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  158.602476][ T1292] RBP: ffffc90000e37168 R08: 0000000000000000 R09: 0000000000000000
[  158.603017][ T1292] R10: ffffc90000e37198 R11: ffffffff9a8a8918 R12: 1ffff920001c6e14
[  158.603529][ T1292] R13: 00000000000005dc R14: ffffc90000e37198 R15: ffff88800fa6af08
[  158.604060][ T1292] FS:  00007f523de16800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  158.604662][ T1292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.605109][ T1292] CR2: 00000000004a1738 CR3: 000000000fe93001 CR4: 0000000000772ef0
[  158.605620][ T1292] PKRU: 55555554
[  158.605891][ T1292] Call Trace:
[  158.606143][ T1292]  <TASK>
[ 158.606315][ T1292] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.606667][ T1292] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.607002][ T1292] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.607434][ T1292] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.607791][ T1292] netif_set_mtu (net/core/dev.c:9652) 
[ 158.608139][ T1292] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.608517][ T1292] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.609011][ T1292] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.609267][ T1292] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.609719][ T1292] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.610109][ T1292] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 158.610448][ T1292] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.610820][ T1292] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.611164][ T1292] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.611505][ T1292] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.611888][ T1292] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.612222][ T1292] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.612562][ T1292] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.612915][ T1292] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.613254][ T1292] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.613608][ T1292] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.613967][ T1292] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.614330][ T1292] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.614676][ T1292] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.615029][ T1292] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.615369][ T1292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.615716][ T1292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.616061][ T1292] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.616405][ T1292] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.616749][ T1292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.617084][ T1292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.617430][ T1292] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.617776][ T1292] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 158.618135][ T1292] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 158.618493][ T1292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.618853][ T1292] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.619197][ T1292] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.619534][ T1292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.619879][ T1292] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.620249][ T1292] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.620611][ T1292] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.621191][ T1292] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.621632][ T1292] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.621984][ T1292] ___sys_sendmsg (net/socket.c:2670) 
[ 158.622331][ T1292] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.622676][ T1292] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.623024][ T1292] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.623615][ T1292] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.623966][ T1292] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.624307][ T1292] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.624656][ T1292] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.625475][ T1292] __sys_sendmsg (net/socket.c:2700) 
[ 158.625844][ T1292] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.626177][ T1292] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 158.626539][ T1292] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 158.626895][ T1292] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.627241][ T1292] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.627613][ T1292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.628043][ T1292] RIP: 0033:0x7f523dfe31e7
[ 158.628414][ T1292] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  158.629668][ T1292] RSP: 002b:00007fffdcdb2c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.630181][ T1292] RAX: ffffffffffffffda RBX: 00007fffdcdb3360 RCX: 00007f523dfe31e7
[  158.630698][ T1292] RDX: 0000000000000000 RSI: 00007fffdcdb2ca0 RDI: 0000000000000005
[  158.631223][ T1292] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.631765][ T1292] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffdcdb3398
[  158.632297][ T1292] R13: 00000000686e5e64 R14: 0000000000499600 R15: 0000000000000000
| [  158.820564][ T1294] ------------[ cut here ]------------
| [ 158.821161][ T1294] WARNING: CPU: 2 PID: 1294 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  158.822325][ T1294] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.824443][ T1294] Tainted: [W]=WARN
[  158.824914][ T1294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.825656][ T1294] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 158.826278][ T1294] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  158.828321][ T1294] RSP: 0018:ffffc90000e37080 EFLAGS: 00010246
[  158.829095][ T1294] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  158.829998][ T1294] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  158.830843][ T1294] RBP: ffffc90000e37168 R08: 0000000000000000 R09: 0000000000000000
[  158.831704][ T1294] R10: ffffc90000e37198 R11: ffffffff9a8a8918 R12: 1ffff920001c6e14
[  158.832586][ T1294] R13: 00000000000005dc R14: ffffc90000e37198 R15: ffff88800fa6af08
[  158.833446][ T1294] FS:  00007f07bc1ce800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  158.834458][ T1294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.835199][ T1294] CR2: 00000000004a1738 CR3: 000000000bc10004 CR4: 0000000000772ef0
[  158.836072][ T1294] PKRU: 55555554
[  158.836519][ T1294] Call Trace:
[  158.836971][ T1294]  <TASK>
[ 158.837285][ T1294] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.837895][ T1294] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.838499][ T1294] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.839310][ T1294] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.839931][ T1294] netif_set_mtu (net/core/dev.c:9652) 
[ 158.840547][ T1294] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.841182][ T1294] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.842019][ T1294] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.842439][ T1294] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.843254][ T1294] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.843938][ T1294] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 158.844548][ T1294] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.845172][ T1294] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.845791][ T1294] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.846401][ T1294] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.847001][ T1294] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.847615][ T1294] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.848221][ T1294] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.848834][ T1294] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.849422][ T1294] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.850030][ T1294] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.850646][ T1294] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.851246][ T1294] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.851854][ T1294] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.852472][ T1294] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.853085][ T1294] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.853690][ T1294] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.854264][ T1294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.854859][ T1294] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.855418][ T1294] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.855995][ T1294] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.856631][ T1294] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.857202][ T1294] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 158.857770][ T1294] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 158.858340][ T1294] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.858937][ T1294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.859520][ T1294] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.860129][ T1294] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.860730][ T1294] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.861302][ T1294] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.861880][ T1294] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.862430][ T1294] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.863133][ T1294] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.863717][ T1294] ___sys_sendmsg (net/socket.c:2670) 
[ 158.864290][ T1294] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.864863][ T1294] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.865426][ T1294] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.866010][ T1294] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.866588][ T1294] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.867165][ T1294] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.867762][ T1294] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.868391][ T1294] __sys_sendmsg (net/socket.c:2700) 
[ 158.869025][ T1294] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.869615][ T1294] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 158.870208][ T1294] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 158.870807][ T1294] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.871386][ T1294] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.872012][ T1294] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.872753][ T1294] RIP: 0033:0x7f07bc39b1e7
[ 158.873361][ T1294] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  158.875412][ T1294] RSP: 002b:00007ffced8b3df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.876319][ T1294] RAX: ffffffffffffffda RBX: 00007ffced8b4520 RCX: 00007f07bc39b1e7
[  158.877216][ T1294] RDX: 0000000000000000 RSI: 00007ffced8b3e60 RDI: 0000000000000005
[  158.878110][ T1294] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.879033][ T1294] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffced8b4558
[  158.879923][ T1294] R13: 00000000686e5e64 R14: 0000000000499600 R15: 0000000000000000
| [  159.077693][ T1296] ------------[ cut here ]------------
| [ 159.078053][ T1296] WARNING: CPU: 2 PID: 1296 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.079323][ T1296] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.080608][ T1296] Tainted: [W]=WARN
[  159.080880][ T1296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.081300][ T1296] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.081664][ T1296] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  159.082846][ T1296] RSP: 0018:ffffc90000ba7080 EFLAGS: 00010246
[  159.083287][ T1296] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  159.083801][ T1296] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  159.084311][ T1296] RBP: ffffc90000ba7168 R08: 0000000000000000 R09: 0000000000000000
[  159.084832][ T1296] R10: ffffc90000ba7198 R11: ffffffff9a8a8918 R12: 1ffff92000174e14
[  159.085369][ T1296] R13: 00000000000005dc R14: ffffc90000ba7198 R15: ffff88800fa6af08
[  159.085889][ T1296] FS:  00007f4dda1db800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  159.086478][ T1296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.086918][ T1296] CR2: 000055e0f3b00110 CR3: 000000000923a002 CR4: 0000000000772ef0
[  159.087434][ T1296] PKRU: 55555554
[  159.087696][ T1296] Call Trace:
[  159.087954][ T1296]  <TASK>
[ 159.088141][ T1296] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.088504][ T1296] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.088869][ T1296] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.089298][ T1296] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.089652][ T1296] netif_set_mtu (net/core/dev.c:9652) 
[ 159.090000][ T1296] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.090362][ T1296] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.090854][ T1296] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.091129][ T1296] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.091584][ T1296] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.091958][ T1296] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 159.092288][ T1296] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.092639][ T1296] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.092973][ T1296] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.093297][ T1296] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.093628][ T1296] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.093965][ T1296] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.094299][ T1296] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.094641][ T1296] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.094977][ T1296] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.095321][ T1296] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.095679][ T1296] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.096031][ T1296] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.096364][ T1296] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.096698][ T1296] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.097026][ T1296] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.097363][ T1296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.097703][ T1296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.098045][ T1296] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.098387][ T1296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.098748][ T1296] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.099098][ T1296] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.099425][ T1296] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.099761][ T1296] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 159.100096][ T1296] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.100420][ T1296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.100763][ T1296] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.101105][ T1296] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.101439][ T1296] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.101784][ T1296] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.102133][ T1296] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.102470][ T1296] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.102888][ T1296] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.103221][ T1296] ___sys_sendmsg (net/socket.c:2670) 
[ 159.103549][ T1296] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.103884][ T1296] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.104216][ T1296] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.104540][ T1296] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.104892][ T1296] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.105220][ T1296] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.105545][ T1296] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.105905][ T1296] __sys_sendmsg (net/socket.c:2700) 
[ 159.106235][ T1296] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.106599][ T1296] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 159.106937][ T1296] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 159.107265][ T1296] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.107606][ T1296] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.107937][ T1296] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.108351][ T1296] RIP: 0033:0x7f4dda3a81e7
[ 159.108703][ T1296] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.109853][ T1296] RSP: 002b:00007ffdb0810fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.110342][ T1296] RAX: ffffffffffffffda RBX: 00007ffdb08116e0 RCX: 00007f4dda3a81e7
[  159.110834][ T1296] RDX: 0000000000000000 RSI: 00007ffdb0811020 RDI: 0000000000000005
[  159.111323][ T1296] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.111824][ T1296] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdb0811718
[  159.112310][ T1296] R13: 00000000686e5e64 R14: 0000000000499600 R15: 0000000000000000
| [  159.351681][ T1299] ------------[ cut here ]------------
| [ 159.352042][ T1299] WARNING: CPU: 1 PID: 1299 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.352706][ T1299] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.353896][ T1299] Tainted: [W]=WARN
[  159.354141][ T1299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.354555][ T1299] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.354897][ T1299] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  159.356028][ T1299] RSP: 0018:ffffc90000e37080 EFLAGS: 00010246
[  159.356448][ T1299] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  159.356953][ T1299] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  159.357438][ T1299] RBP: ffffc90000e37168 R08: 0000000000000000 R09: 0000000000000000
[  159.357948][ T1299] R10: ffffc90000e37198 R11: ffffffff9a8a8918 R12: 1ffff920001c6e14
[  159.358435][ T1299] R13: 00000000000005dc R14: ffffc90000e37198 R15: ffff88800fa6af08
[  159.359085][ T1299] FS:  00007fcfae48d800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  159.359783][ T1299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.360177][ T1299] CR2: 00000000004a1738 CR3: 000000000dec4001 CR4: 0000000000772ef0
[  159.360795][ T1299] PKRU: 55555554
[  159.361030][ T1299] Call Trace:
[  159.361265][ T1299]  <TASK>
[ 159.361427][ T1299] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.361911][ T1299] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.362228][ T1299] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.362766][ T1299] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.363088][ T1299] netif_set_mtu (net/core/dev.c:9652) 
[ 159.363402][ T1299] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.363820][ T1299] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.364286][ T1299] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.364526][ T1299] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.364959][ T1299] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.365316][ T1299] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 159.365655][ T1299] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.365975][ T1299] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.366289][ T1299] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.366609][ T1299] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.366925][ T1299] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.367254][ T1299] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.367584][ T1299] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.367894][ T1299] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.368210][ T1299] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.368542][ T1299] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.368870][ T1299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.369196][ T1299] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.369510][ T1299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.369847][ T1299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.370196][ T1299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.370517][ T1299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.370850][ T1299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.371173][ T1299] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.371485][ T1299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.371838][ T1299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.372163][ T1299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.372487][ T1299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.372812][ T1299] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 159.373130][ T1299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.373441][ T1299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.373784][ T1299] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.374332][ T1299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.374911][ T1299] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.375480][ T1299] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.376062][ T1299] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.376629][ T1299] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.377325][ T1299] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.377921][ T1299] ___sys_sendmsg (net/socket.c:2670) 
[ 159.378488][ T1299] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.379064][ T1299] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.379648][ T1299] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.380201][ T1299] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.380799][ T1299] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.381372][ T1299] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.381966][ T1299] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.382593][ T1299] __sys_sendmsg (net/socket.c:2700) 
[ 159.383151][ T1299] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.383724][ T1299] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 159.384304][ T1299] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 159.384904][ T1299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.385460][ T1299] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.386056][ T1299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.386770][ T1299] RIP: 0033:0x7fcfae65a1e7
[ 159.387217][ T1299] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.388367][ T1299] RSP: 002b:00007ffca7e06598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.388878][ T1299] RAX: ffffffffffffffda RBX: 00007ffca7e06cc0 RCX: 00007fcfae65a1e7
[  159.389348][ T1299] RDX: 0000000000000000 RSI: 00007ffca7e06600 RDI: 0000000000000005
[  159.389856][ T1299] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.390335][ T1299] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca7e06cf8
[  159.390830][ T1299] R13: 00000000686e5e65 R14: 0000000000499600 R15: 0000000000000000
| [  159.605793][ T1301] ------------[ cut here ]------------
| [ 159.606143][ T1301] WARNING: CPU: 2 PID: 1301 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.606816][ T1301] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.608078][ T1301] Tainted: [W]=WARN
[  159.608344][ T1301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.608802][ T1301] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.609166][ T1301] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  159.610378][ T1301] RSP: 0000:ffffc90000e37080 EFLAGS: 00010246
[  159.610827][ T1301] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  159.611384][ T1301] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  159.611918][ T1301] RBP: ffffc90000e37168 R08: 0000000000000000 R09: 0000000000000000
[  159.612425][ T1301] R10: ffffc90000e37198 R11: ffffffff9a8a8918 R12: 1ffff920001c6e14
[  159.612975][ T1301] R13: 00000000000005dc R14: ffffc90000e37198 R15: ffff88800fa6af08
[  159.613485][ T1301] FS:  00007f8174b0d800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  159.614088][ T1301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.614527][ T1301] CR2: 00007efe47fbca00 CR3: 000000000c367004 CR4: 0000000000772ef0
[  159.615049][ T1301] PKRU: 55555554
[  159.615305][ T1301] Call Trace:
[  159.615551][ T1301]  <TASK>
[ 159.615739][ T1301] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.616080][ T1301] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.616413][ T1301] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.616835][ T1301] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.617170][ T1301] netif_set_mtu (net/core/dev.c:9652) 
[ 159.617505][ T1301] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.617859][ T1301] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.618326][ T1301] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.618616][ T1301] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.619056][ T1301] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.619433][ T1301] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 159.619769][ T1301] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.620101][ T1301] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.620436][ T1301] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.620771][ T1301] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.621100][ T1301] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.621440][ T1301] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.621804][ T1301] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.622132][ T1301] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.622466][ T1301] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.622817][ T1301] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.623154][ T1301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.623507][ T1301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.623851][ T1301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.624191][ T1301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.624519][ T1301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.624882][ T1301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.625215][ T1301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.625548][ T1301] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.625887][ T1301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.626240][ T1301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.626604][ T1301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.626935][ T1301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.627264][ T1301] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 159.627606][ T1301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.627932][ T1301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.628272][ T1301] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.628638][ T1301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.628971][ T1301] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.629304][ T1301] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.629647][ T1301] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.629976][ T1301] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.630382][ T1301] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.630721][ T1301] ___sys_sendmsg (net/socket.c:2670) 
[ 159.631064][ T1301] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.631388][ T1301] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.631728][ T1301] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.632052][ T1301] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.632383][ T1301] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.632718][ T1301] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.633050][ T1301] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.633391][ T1301] __sys_sendmsg (net/socket.c:2700) 
[ 159.633730][ T1301] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.634058][ T1301] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 159.634390][ T1301] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 159.634731][ T1301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.635066][ T1301] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.635398][ T1301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.635812][ T1301] RIP: 0033:0x7f8174cda1e7
[ 159.636151][ T1301] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.637290][ T1301] RSP: 002b:00007ffd4470d0d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.638032][ T1301] RAX: ffffffffffffffda RBX: 00007ffd4470d800 RCX: 00007f8174cda1e7
[  159.639016][ T1301] RDX: 0000000000000000 RSI: 00007ffd4470d140 RDI: 0000000000000005
[  159.639497][ T1301] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.640228][ T1301] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd4470d838
[  159.640728][ T1301] R13: 00000000686e5e65 R14: 0000000000499600 R15: 0000000000000000
| [  159.811272][ T1302] ------------[ cut here ]------------
| [ 159.811727][ T1302] WARNING: CPU: 3 PID: 1302 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.812667][ T1302] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.814289][ T1302] Tainted: [W]=WARN
[  159.814647][ T1302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.815155][ T1302] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.815607][ T1302] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  159.817140][ T1302] RSP: 0018:ffffc90000e87080 EFLAGS: 00010246
[  159.817687][ T1302] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  159.818353][ T1302] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  159.818988][ T1302] RBP: ffffc90000e87168 R08: 0000000000000000 R09: 0000000000000000
[  159.819595][ T1302] R10: ffffc90000e87198 R11: ffffffff9a8a8918 R12: 1ffff920001d0e14
[  159.820252][ T1302] R13: 00000000000005dc R14: ffffc90000e87198 R15: ffff88800fa6af08
[  159.820832][ T1302] FS:  00007f103ba9a800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  159.821429][ T1302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.821879][ T1302] CR2: 00000000004a1738 CR3: 0000000004f3a004 CR4: 0000000000772ef0
[  159.822392][ T1302] PKRU: 55555554
[  159.822661][ T1302] Call Trace:
[  159.822922][ T1302]  <TASK>
[ 159.823106][ T1302] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.823469][ T1302] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.823842][ T1302] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.824286][ T1302] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.824657][ T1302] netif_set_mtu (net/core/dev.c:9652) 
[ 159.825029][ T1302] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.825518][ T1302] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.826327][ T1302] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.826795][ T1302] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.827621][ T1302] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.828291][ T1302] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 159.828899][ T1302] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.829464][ T1302] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.830056][ T1302] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.830627][ T1302] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.831191][ T1302] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.831750][ T1302] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.832337][ T1302] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.832920][ T1302] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.833517][ T1302] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.834130][ T1302] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.834709][ T1302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.835277][ T1302] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.835841][ T1302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.836426][ T1302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.837019][ T1302] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.837614][ T1302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.838202][ T1302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.838808][ T1302] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.839377][ T1302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.839953][ T1302] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.840557][ T1302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.841142][ T1302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.841731][ T1302] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 159.842300][ T1302] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.842894][ T1302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.843405][ T1302] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.843960][ T1302] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.844538][ T1302] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.844914][ T1302] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.845254][ T1302] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.845608][ T1302] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.846030][ T1302] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.846382][ T1302] ___sys_sendmsg (net/socket.c:2670) 
[ 159.846727][ T1302] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.847069][ T1302] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.847414][ T1302] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.847768][ T1302] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.848107][ T1302] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.848447][ T1302] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.848808][ T1302] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.849159][ T1302] __sys_sendmsg (net/socket.c:2700) 
[ 159.849524][ T1302] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.849868][ T1302] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 159.850216][ T1302] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 159.850596][ T1302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.850934][ T1302] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.851266][ T1302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.851708][ T1302] RIP: 0033:0x7f103bc671e7
[ 159.852054][ T1302] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.853268][ T1302] RSP: 002b:00007ffcae0f9858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.853791][ T1302] RAX: ffffffffffffffda RBX: 00007ffcae0f9f80 RCX: 00007f103bc671e7
[  159.854310][ T1302] RDX: 0000000000000000 RSI: 00007ffcae0f98c0 RDI: 0000000000000005
[  159.854833][ T1302] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.855337][ T1302] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcae0f9fb8
[  159.855846][ T1302] R13: 00000000686e5e65 R14: 0000000000499600 R15: 0000000000000000
| [  160.026552][ T1304] ------------[ cut here ]------------
| [ 160.026943][ T1304] WARNING: CPU: 2 PID: 1304 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.027627][ T1304] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.028989][ T1304] Tainted: [W]=WARN
[  160.029358][ T1304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.029897][ T1304] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.030275][ T1304] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  160.031714][ T1304] RSP: 0018:ffffc90000e97080 EFLAGS: 00010246
[  160.032314][ T1304] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  160.032904][ T1304] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  160.033457][ T1304] RBP: ffffc90000e97168 R08: 0000000000000000 R09: 0000000000000000
[  160.033985][ T1304] R10: ffffc90000e97198 R11: ffffffff9a8a8918 R12: 1ffff920001d2e14
[  160.034494][ T1304] R13: 00000000000005dc R14: ffffc90000e97198 R15: ffff88800fa6af08
[  160.035022][ T1304] FS:  00007f17e40b6800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  160.035729][ T1304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.036257][ T1304] CR2: 00000000004a1738 CR3: 00000000050c0005 CR4: 0000000000772ef0
[  160.036866][ T1304] PKRU: 55555554
[  160.037226][ T1304] Call Trace:
[  160.037491][ T1304]  <TASK>
[ 160.037709][ T1304] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.038105][ T1304] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.038469][ T1304] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.038924][ T1304] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.039292][ T1304] netif_set_mtu (net/core/dev.c:9652) 
[ 160.039661][ T1304] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.040014][ T1304] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.040513][ T1304] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.040790][ T1304] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.041273][ T1304] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.041673][ T1304] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 160.042032][ T1304] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.042392][ T1304] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.042767][ T1304] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.043110][ T1304] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.043485][ T1304] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.043931][ T1304] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.044531][ T1304] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.044961][ T1304] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.045319][ T1304] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.045685][ T1304] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.046048][ T1304] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.046404][ T1304] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.046782][ T1304] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.047143][ T1304] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.047484][ T1304] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.047839][ T1304] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.048463][ T1304] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.048838][ T1304] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.049181][ T1304] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.049528][ T1304] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.049896][ T1304] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.050466][ T1304] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.050820][ T1304] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.051168][ T1304] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.051757][ T1304] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.052114][ T1304] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.052462][ T1304] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.052815][ T1304] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.053172][ T1304] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.053519][ T1304] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.053866][ T1304] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.054299][ T1304] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.055273][ T1304] ___sys_sendmsg (net/socket.c:2670) 
[ 160.055888][ T1304] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.056462][ T1304] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.057047][ T1304] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.057661][ T1304] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.058273][ T1304] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.058895][ T1304] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.059487][ T1304] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.060123][ T1304] __sys_sendmsg (net/socket.c:2700) 
[ 160.060728][ T1304] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.061266][ T1304] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.061893][ T1304] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.062922][ T1304] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.063527][ T1304] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.064154][ T1304] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.064899][ T1304] RIP: 0033:0x7f17e42831e7
[ 160.065510][ T1304] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.068048][ T1304] RSP: 002b:00007ffcaaf576d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.068972][ T1304] RAX: ffffffffffffffda RBX: 00007ffcaaf57e00 RCX: 00007f17e42831e7
[  160.069861][ T1304] RDX: 0000000000000000 RSI: 00007ffcaaf57740 RDI: 0000000000000005
[  160.070514][ T1304] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.071124][ T1304] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcaaf57e38
[  160.072016][ T1304] R13: 00000000686e5e65 R14: 0000000000499600 R15: 0000000000000000
| [  160.239761][ T1306] ------------[ cut here ]------------
| [ 160.240324][ T1306] WARNING: CPU: 3 PID: 1306 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.241518][ T1306] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.243608][ T1306] Tainted: [W]=WARN
[  160.244042][ T1306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.244786][ T1306] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.245390][ T1306] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  160.247363][ T1306] RSP: 0018:ffffc90000ba7080 EFLAGS: 00010246
[  160.248108][ T1306] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  160.248903][ T1306] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  160.249774][ T1306] RBP: ffffc90000ba7168 R08: 0000000000000000 R09: 0000000000000000
[  160.250656][ T1306] R10: ffffc90000ba7198 R11: ffffffff9a8a8918 R12: 1ffff92000174e14
[  160.251529][ T1306] R13: 00000000000005dc R14: ffffc90000ba7198 R15: ffff88800fa6af08
[  160.252406][ T1306] FS:  00007f07a9994800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  160.253420][ T1306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.254165][ T1306] CR2: 00007efe480aad40 CR3: 000000000bd09002 CR4: 0000000000772ef0
[  160.255038][ T1306] PKRU: 55555554
[  160.255474][ T1306] Call Trace:
[  160.255913][ T1306]  <TASK>
[ 160.256131][ T1306] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.256475][ T1306] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.256825][ T1306] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.257254][ T1306] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.257597][ T1306] netif_set_mtu (net/core/dev.c:9652) 
[ 160.257947][ T1306] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.258310][ T1306] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.258790][ T1306] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.259142][ T1306] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.259904][ T1306] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.260290][ T1306] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 160.260634][ T1306] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.260982][ T1306] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.261314][ T1306] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.261646][ T1306] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.261990][ T1306] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.262322][ T1306] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.262665][ T1306] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.263027][ T1306] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.263363][ T1306] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.263710][ T1306] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.264151][ T1306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.264662][ T1306] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.265009][ T1306] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.265408][ T1306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.265754][ T1306] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.266101][ T1306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.266433][ T1306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.266777][ T1306] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.267157][ T1306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.267486][ T1306] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.267838][ T1306] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.268177][ T1306] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.268518][ T1306] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.268861][ T1306] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.269221][ T1306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.269558][ T1306] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.269900][ T1306] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.270291][ T1306] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.270639][ T1306] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.270973][ T1306] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.271305][ T1306] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.271726][ T1306] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.272060][ T1306] ___sys_sendmsg (net/socket.c:2670) 
[ 160.272389][ T1306] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.272724][ T1306] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.273084][ T1306] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.273415][ T1306] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.273758][ T1306] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.274085][ T1306] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.274408][ T1306] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.274745][ T1306] __sys_sendmsg (net/socket.c:2700) 
[ 160.275065][ T1306] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.275378][ T1306] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.275708][ T1306] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.276022][ T1306] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.276337][ T1306] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.276658][ T1306] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.277068][ T1306] RIP: 0033:0x7f07a9b611e7
[ 160.277393][ T1306] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.278582][ T1306] RSP: 002b:00007fffeaf8afd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.279105][ T1306] RAX: ffffffffffffffda RBX: 00007fffeaf8b700 RCX: 00007f07a9b611e7
[  160.279592][ T1306] RDX: 0000000000000000 RSI: 00007fffeaf8b040 RDI: 0000000000000005
[  160.280058][ T1306] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.280528][ T1306] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffeaf8b738
[  160.281002][ T1306] R13: 00000000686e5e66 R14: 0000000000499600 R15: 0000000000000000
| [  160.492294][ T1308] ------------[ cut here ]------------
| [ 160.492645][ T1308] WARNING: CPU: 0 PID: 1308 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.493269][ T1308] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.494404][ T1308] Tainted: [W]=WARN
[  160.494652][ T1308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.495055][ T1308] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.495384][ T1308] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  160.496516][ T1308] RSP: 0018:ffffc90000e97080 EFLAGS: 00010246
[  160.496929][ T1308] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  160.497406][ T1308] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  160.497892][ T1308] RBP: ffffc90000e97168 R08: 0000000000000000 R09: 0000000000000000
[  160.498361][ T1308] R10: ffffc90000e97198 R11: ffffffff9a8a8918 R12: 1ffff920001d2e14
[  160.498899][ T1308] R13: 00000000000005dc R14: ffffc90000e97198 R15: ffff88800fa6af08
[  160.499370][ T1308] FS:  00007fb2821b5800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  160.499923][ T1308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.500327][ T1308] CR2: 00007efe48153170 CR3: 0000000004d60006 CR4: 0000000000772ef0
[  160.500806][ T1308] PKRU: 55555554
[  160.501039][ T1308] Call Trace:
[  160.501273][ T1308]  <TASK>
[ 160.501434][ T1308] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.501763][ T1308] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.502097][ T1308] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.502494][ T1308] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.502822][ T1308] netif_set_mtu (net/core/dev.c:9652) 
[ 160.503138][ T1308] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.503462][ T1308] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.503903][ T1308] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.504147][ T1308] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.504584][ T1308] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.504949][ T1308] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 160.505262][ T1308] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.505589][ T1308] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.505907][ T1308] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.506218][ T1308] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.506528][ T1308] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.506847][ T1308] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.507172][ T1308] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.507484][ T1308] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.507809][ T1308] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.508132][ T1308] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.508451][ T1308] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.508839][ T1308] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.509151][ T1308] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.509464][ T1308] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.509790][ T1308] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.510109][ T1308] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.510427][ T1308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.510755][ T1308] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.511067][ T1308] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.511383][ T1308] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.511714][ T1308] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.512065][ T1308] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.512382][ T1308] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.512709][ T1308] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.513040][ T1308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.513358][ T1308] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.513682][ T1308] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.513996][ T1308] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.514320][ T1308] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.514647][ T1308] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.515014][ T1308] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.515431][ T1308] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.515761][ T1308] ___sys_sendmsg (net/socket.c:2670) 
[ 160.516083][ T1308] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.516410][ T1308] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.516745][ T1308] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.517073][ T1308] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.517401][ T1308] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.517741][ T1308] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.518060][ T1308] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.518398][ T1308] __sys_sendmsg (net/socket.c:2700) 
[ 160.518741][ T1308] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.519066][ T1308] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.519393][ T1308] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.519718][ T1308] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.520047][ T1308] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.520376][ T1308] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.520778][ T1308] RIP: 0033:0x7fb2823821e7
[ 160.521111][ T1308] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.522269][ T1308] RSP: 002b:00007ffccc469188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.522786][ T1308] RAX: ffffffffffffffda RBX: 00007ffccc4698b0 RCX: 00007fb2823821e7
[  160.523271][ T1308] RDX: 0000000000000000 RSI: 00007ffccc4691f0 RDI: 0000000000000005
[  160.523765][ T1308] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.524254][ T1308] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffccc4698e8
[  160.524757][ T1308] R13: 00000000686e5e66 R14: 0000000000499600 R15: 0000000000000000
| [  160.710755][ T1310] ------------[ cut here ]------------
| [ 160.711290][ T1310] WARNING: CPU: 3 PID: 1310 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.712450][ T1310] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.714447][ T1310] Tainted: [W]=WARN
[  160.714874][ T1310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.715591][ T1310] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.716153][ T1310] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  160.718147][ T1310] RSP: 0018:ffffc90000b77080 EFLAGS: 00010246
[  160.718868][ T1310] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  160.719691][ T1310] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  160.720518][ T1310] RBP: ffffc90000b77168 R08: 0000000000000000 R09: 0000000000000000
[  160.721353][ T1310] R10: ffffc90000b77198 R11: ffffffff9a8a8918 R12: 1ffff9200016ee14
[  160.722193][ T1310] R13: 00000000000005dc R14: ffffc90000b77198 R15: ffff88800fa6af08
[  160.723021][ T1310] FS:  00007fe558686800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  160.724017][ T1310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.724724][ T1310] CR2: 00000000004a1738 CR3: 000000000a3fc004 CR4: 0000000000772ef0
[  160.725555][ T1310] PKRU: 55555554
[  160.725989][ T1310] Call Trace:
[  160.726396][ T1310]  <TASK>
[ 160.726698][ T1310] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.727280][ T1310] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.727854][ T1310] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.728553][ T1310] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.729123][ T1310] netif_set_mtu (net/core/dev.c:9652) 
[ 160.729701][ T1310] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.730280][ T1310] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.731074][ T1310] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.731517][ T1310] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.732344][ T1310] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.733001][ T1310] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 160.733581][ T1310] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.734127][ T1310] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.734710][ T1310] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.735261][ T1310] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.735841][ T1310] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.736372][ T1310] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.736947][ T1310] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.737458][ T1310] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.738004][ T1310] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.738549][ T1310] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.739118][ T1310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.739708][ T1310] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.740255][ T1310] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.740822][ T1310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.741359][ T1310] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.741881][ T1310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.742425][ T1310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.742991][ T1310] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.743524][ T1310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.744067][ T1310] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.744616][ T1310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.745163][ T1310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.745737][ T1310] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.746288][ T1310] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.746830][ T1310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.747385][ T1310] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.747966][ T1310] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.748542][ T1310] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.749119][ T1310] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.749669][ T1310] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.750201][ T1310] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.750900][ T1310] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.751464][ T1310] ___sys_sendmsg (net/socket.c:2670) 
[ 160.752027][ T1310] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.752555][ T1310] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.753070][ T1310] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.753617][ T1310] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.754170][ T1310] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.754725][ T1310] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.755259][ T1310] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.755836][ T1310] __sys_sendmsg (net/socket.c:2700) 
[ 160.756372][ T1310] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.756913][ T1310] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.757440][ T1310] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.757947][ T1310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.758420][ T1310] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.758990][ T1310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.759685][ T1310] RIP: 0033:0x7fe5588531e7
[ 160.760213][ T1310] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.762177][ T1310] RSP: 002b:00007ffc36091db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.763035][ T1310] RAX: ffffffffffffffda RBX: 00007ffc360924e0 RCX: 00007fe5588531e7
[  160.763812][ T1310] RDX: 0000000000000000 RSI: 00007ffc36091e20 RDI: 0000000000000005
[  160.764689][ T1310] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.765549][ T1310] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc36092518
[  160.766400][ T1310] R13: 00000000686e5e66 R14: 0000000000499600 R15: 0000000000000000
| [  160.960220][ T1313] ------------[ cut here ]------------
| [ 160.960546][ T1313] WARNING: CPU: 3 PID: 1313 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.961221][ T1313] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.962378][ T1313] Tainted: [W]=WARN
[  160.962630][ T1313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.963039][ T1313] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.963364][ T1313] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  160.964505][ T1313] RSP: 0018:ffffc90000b77080 EFLAGS: 00010246
[  160.964913][ T1313] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  160.965385][ T1313] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  160.965879][ T1313] RBP: ffffc90000b77168 R08: 0000000000000000 R09: 0000000000000000
[  160.966361][ T1313] R10: ffffc90000b77198 R11: ffffffff9a8a8918 R12: 1ffff9200016ee14
[  160.966844][ T1313] R13: 00000000000005dc R14: ffffc90000b77198 R15: ffff88800fa6af08
[  160.967327][ T1313] FS:  00007f56fe9c8800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  160.967886][ T1313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.968300][ T1313] CR2: 00007f4bd4e92270 CR3: 000000000bd99002 CR4: 0000000000772ef0
[  160.968805][ T1313] PKRU: 55555554
[  160.969041][ T1313] Call Trace:
[  160.969276][ T1313]  <TASK>
[ 160.969438][ T1313] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.969792][ T1313] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.970109][ T1313] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.970523][ T1313] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.970851][ T1313] netif_set_mtu (net/core/dev.c:9652) 
[ 160.971190][ T1313] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.971517][ T1313] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.971990][ T1313] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.972229][ T1313] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.972681][ T1313] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.973036][ T1313] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 160.973349][ T1313] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.973692][ T1313] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.974012][ T1313] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.974323][ T1313] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.974651][ T1313] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.974970][ T1313] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.975297][ T1313] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.975616][ T1313] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.975958][ T1313] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.976291][ T1313] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.976615][ T1313] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.976941][ T1313] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.977262][ T1313] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.977588][ T1313] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.977954][ T1313] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.978316][ T1313] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.978703][ T1313] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.979067][ T1313] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.979429][ T1313] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.979817][ T1313] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.980185][ T1313] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.980536][ T1313] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.980924][ T1313] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.981287][ T1313] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.981652][ T1313] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.982019][ T1313] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.982383][ T1313] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.982749][ T1313] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.983113][ T1313] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.983487][ T1313] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.983854][ T1313] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.984307][ T1313] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.984676][ T1313] ___sys_sendmsg (net/socket.c:2670) 
[ 160.985034][ T1313] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.985389][ T1313] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.985761][ T1313] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.986116][ T1313] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.986474][ T1313] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.986839][ T1313] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.987193][ T1313] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.987582][ T1313] __sys_sendmsg (net/socket.c:2700) 
[ 160.987944][ T1313] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.988326][ T1313] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.988727][ T1313] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.989087][ T1313] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.989444][ T1313] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.989805][ T1313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.990243][ T1313] RIP: 0033:0x7f56feb951e7
[ 160.990617][ T1313] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.991927][ T1313] RSP: 002b:00007ffd96744438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.992471][ T1313] RAX: ffffffffffffffda RBX: 00007ffd96744b60 RCX: 00007f56feb951e7
[  160.993021][ T1313] RDX: 0000000000000000 RSI: 00007ffd967444a0 RDI: 0000000000000005
[  160.993582][ T1313] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.994124][ T1313] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd96744b98
[  160.994671][ T1313] R13: 00000000686e5e66 R14: 0000000000499600 R15: 0000000000000000
| [  161.186709][ T1314] ------------[ cut here ]------------
| [ 161.187206][ T1314] WARNING: CPU: 1 PID: 1314 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  161.188221][ T1314] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.189926][ T1314] Tainted: [W]=WARN
[  161.190245][ T1314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.190956][ T1314] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 161.191322][ T1314] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  161.192748][ T1314] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  161.193245][ T1314] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  161.193939][ T1314] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  161.194443][ T1314] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  161.195166][ T1314] R10: ffffc90000eb7198 R11: ffffffff9a8a8918 R12: 1ffff920001d6e14
[  161.196019][ T1314] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800fa6af08
[  161.196886][ T1314] FS:  00007f422e706800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  161.197717][ T1314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.198224][ T1314] CR2: 00000000004a1738 CR3: 000000000bd0f006 CR4: 0000000000772ef0
[  161.198831][ T1314] PKRU: 55555554
[  161.199074][ T1314] Call Trace:
[  161.199322][ T1314]  <TASK>
[ 161.199509][ T1314] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.199924][ T1314] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.200337][ T1314] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.200816][ T1314] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.201163][ T1314] netif_set_mtu (net/core/dev.c:9652) 
[ 161.201499][ T1314] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.201914][ T1314] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.202418][ T1314] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.202764][ T1314] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.203248][ T1314] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.203639][ T1314] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 161.203984][ T1314] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.204345][ T1314] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.204752][ T1314] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.205188][ T1314] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.205635][ T1314] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.206069][ T1314] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.206475][ T1314] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.206930][ T1314] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.207343][ T1314] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.207786][ T1314] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.208160][ T1314] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.208509][ T1314] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.208929][ T1314] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.209348][ T1314] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.209757][ T1314] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.210118][ T1314] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.210476][ T1314] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.210885][ T1314] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.211239][ T1314] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.211553][ T1314] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.211896][ T1314] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.212225][ T1314] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 161.212557][ T1314] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 161.212904][ T1314] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.213234][ T1314] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.213579][ T1314] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.213912][ T1314] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.214238][ T1314] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.214592][ T1314] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.214917][ T1314] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.215240][ T1314] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.215649][ T1314] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.215971][ T1314] ___sys_sendmsg (net/socket.c:2670) 
[ 161.216286][ T1314] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.216624][ T1314] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.216957][ T1314] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.217285][ T1314] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.217626][ T1314] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.217958][ T1314] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.218285][ T1314] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.218667][ T1314] __sys_sendmsg (net/socket.c:2700) 
[ 161.219001][ T1314] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.219338][ T1314] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 161.219688][ T1314] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.220023][ T1314] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.220361][ T1314] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.220705][ T1314] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.221117][ T1314] RIP: 0033:0x7f422e8d31e7
[ 161.221461][ T1314] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.222649][ T1314] RSP: 002b:00007ffcb7717e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.223143][ T1314] RAX: ffffffffffffffda RBX: 00007ffcb7718530 RCX: 00007f422e8d31e7
[  161.223667][ T1314] RDX: 0000000000000000 RSI: 00007ffcb7717e70 RDI: 0000000000000005
[  161.224220][ T1314] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.224810][ T1314] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcb7718568
[  161.225402][ T1314] R13: 00000000686e5e66 R14: 0000000000499600 R15: 0000000000000000
| [  161.417693][ T1316] ------------[ cut here ]------------
| [ 161.418251][ T1316] WARNING: CPU: 3 PID: 1316 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  161.419462][ T1316] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.421542][ T1316] Tainted: [W]=WARN
[  161.421998][ T1316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.422728][ T1316] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 161.423319][ T1316] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  161.425312][ T1316] RSP: 0018:ffffc90000e97080 EFLAGS: 00010246
[  161.426032][ T1316] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  161.426897][ T1316] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  161.427740][ T1316] RBP: ffffc90000e97168 R08: 0000000000000000 R09: 0000000000000000
[  161.428596][ T1316] R10: ffffc90000e97198 R11: ffffffff9a8a8918 R12: 1ffff920001d2e14
[  161.429433][ T1316] R13: 00000000000005dc R14: ffffc90000e97198 R15: ffff88800fa6af08
[  161.430274][ T1316] FS:  00007f98ed3c4800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  161.431254][ T1316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.431989][ T1316] CR2: 00007efe48204938 CR3: 0000000008b89005 CR4: 0000000000772ef0
[  161.432859][ T1316] PKRU: 55555554
[  161.433287][ T1316] Call Trace:
[  161.433735][ T1316]  <TASK>
[ 161.434026][ T1316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.434629][ T1316] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.435189][ T1316] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.435912][ T1316] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.436489][ T1316] netif_set_mtu (net/core/dev.c:9652) 
[ 161.437088][ T1316] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.437713][ T1316] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.438467][ T1316] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.438912][ T1316] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.439701][ T1316] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.440371][ T1316] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 161.440967][ T1316] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.441527][ T1316] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.442112][ T1316] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.442695][ T1316] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.443249][ T1316] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.443829][ T1316] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.444420][ T1316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.444978][ T1316] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.445586][ T1316] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.446174][ T1316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.446756][ T1316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.447363][ T1316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.447948][ T1316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.448532][ T1316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.449113][ T1316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.449704][ T1316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.450274][ T1316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.450863][ T1316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.451414][ T1316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.451976][ T1316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.452587][ T1316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.453162][ T1316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 161.453742][ T1316] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 161.454339][ T1316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.454943][ T1316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.455539][ T1316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.456112][ T1316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.456489][ T1316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.456857][ T1316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.457259][ T1316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.457785][ T1316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.458269][ T1316] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.458732][ T1316] ___sys_sendmsg (net/socket.c:2670) 
[ 161.459164][ T1316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.459647][ T1316] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.460084][ T1316] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.460400][ T1316] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.460878][ T1316] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.461445][ T1316] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.461998][ T1316] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.462549][ T1316] __sys_sendmsg (net/socket.c:2700) 
[ 161.462944][ T1316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.463436][ T1316] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 161.463924][ T1316] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.464397][ T1316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.464973][ T1316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.465329][ T1316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.465875][ T1316] RIP: 0033:0x7f98ed5911e7
[ 161.466276][ T1316] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.467826][ T1316] RSP: 002b:00007ffe52df90e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.468409][ T1316] RAX: ffffffffffffffda RBX: 00007ffe52df9810 RCX: 00007f98ed5911e7
[  161.469084][ T1316] RDX: 0000000000000000 RSI: 00007ffe52df9150 RDI: 0000000000000005
[  161.469864][ T1316] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.470749][ T1316] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe52df9848
[  161.471617][ T1316] R13: 00000000686e5e67 R14: 0000000000499600 R15: 0000000000000000
| [  161.634396][ T1319] ------------[ cut here ]------------
| [ 161.634790][ T1319] WARNING: CPU: 2 PID: 1319 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  161.635453][ T1319] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.636677][ T1319] Tainted: [W]=WARN
[  161.636936][ T1319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.637400][ T1319] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 161.637775][ T1319] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  161.639015][ T1319] RSP: 0018:ffffc90000e97080 EFLAGS: 00010246
[  161.639467][ T1319] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  161.640009][ T1319] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  161.640529][ T1319] RBP: ffffc90000e97168 R08: 0000000000000000 R09: 0000000000000000
[  161.641028][ T1319] R10: ffffc90000e97198 R11: ffffffff9a8a8918 R12: 1ffff920001d2e14
[  161.641519][ T1319] R13: 00000000000005dc R14: ffffc90000e97198 R15: ffff88800fa6af08
[  161.642011][ T1319] FS:  00007fc2437e9800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  161.642598][ T1319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.643028][ T1319] CR2: 00000000004a1738 CR3: 000000000f2d1003 CR4: 0000000000772ef0
[  161.643532][ T1319] PKRU: 55555554
[  161.643815][ T1319] Call Trace:
[  161.644081][ T1319]  <TASK>
[ 161.644274][ T1319] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.644631][ T1319] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.644980][ T1319] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.645394][ T1319] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.645737][ T1319] netif_set_mtu (net/core/dev.c:9652) 
[ 161.646094][ T1319] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.646457][ T1319] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.646950][ T1319] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.647212][ T1319] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.647679][ T1319] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.648093][ T1319] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 161.648440][ T1319] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.648856][ T1319] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.649207][ T1319] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.649554][ T1319] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.649920][ T1319] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.650292][ T1319] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.650696][ T1319] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.651076][ T1319] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.651439][ T1319] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.651813][ T1319] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.652165][ T1319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.652531][ T1319] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.652905][ T1319] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.653258][ T1319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.653615][ T1319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.653975][ T1319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.654346][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.654740][ T1319] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.655087][ T1319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.655447][ T1319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.655829][ T1319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.656186][ T1319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 161.656531][ T1319] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 161.656891][ T1319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.657239][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.657599][ T1319] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.657947][ T1319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.658292][ T1319] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.658685][ T1319] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.659051][ T1319] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.659392][ T1319] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.659839][ T1319] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.660189][ T1319] ___sys_sendmsg (net/socket.c:2670) 
[ 161.660549][ T1319] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.660909][ T1319] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.661256][ T1319] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.661622][ T1319] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.661983][ T1319] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.662329][ T1319] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.662696][ T1319] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.663096][ T1319] __sys_sendmsg (net/socket.c:2700) 
[ 161.663456][ T1319] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.663812][ T1319] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 161.664178][ T1319] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.664523][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.664899][ T1319] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.665262][ T1319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.665717][ T1319] RIP: 0033:0x7fc2439b61e7
[ 161.666071][ T1319] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.667312][ T1319] RSP: 002b:00007ffe7b5e0688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.667835][ T1319] RAX: ffffffffffffffda RBX: 00007ffe7b5e0db0 RCX: 00007fc2439b61e7
[  161.668353][ T1319] RDX: 0000000000000000 RSI: 00007ffe7b5e06f0 RDI: 0000000000000005
[  161.668897][ T1319] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.669411][ T1319] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe7b5e0de8
[  161.669940][ T1319] R13: 00000000686e5e67 R14: 0000000000499600 R15: 0000000000000000
| [  161.923242][ T1321] ------------[ cut here ]------------
| [ 161.923851][ T1321] WARNING: CPU: 0 PID: 1321 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  161.924953][ T1321] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.927034][ T1321] Tainted: [W]=WARN
[  161.927463][ T1321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.928196][ T1321] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 161.928695][ T1321] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  161.929883][ T1321] RSP: 0018:ffffc90000e97080 EFLAGS: 00010246
[  161.930298][ T1321] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  161.930796][ T1321] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  161.931291][ T1321] RBP: ffffc90000e97168 R08: 0000000000000000 R09: 0000000000000000
[  161.931789][ T1321] R10: ffffc90000e97198 R11: ffffffff9a8a8918 R12: 1ffff920001d2e14
[  161.932281][ T1321] R13: 00000000000005dc R14: ffffc90000e97198 R15: ffff88800fa6af08
[  161.932781][ T1321] FS:  00007f64f9fa8800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  161.933354][ T1321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.933774][ T1321] CR2: 00000000004a1738 CR3: 000000000e476002 CR4: 0000000000772ef0
[  161.934271][ T1321] PKRU: 55555554
[  161.934518][ T1321] Call Trace:
[  161.934781][ T1321]  <TASK>
[ 161.934954][ T1321] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.935289][ T1321] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.935628][ T1321] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.936047][ T1321] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.936382][ T1321] netif_set_mtu (net/core/dev.c:9652) 
[ 161.936717][ T1321] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.937068][ T1321] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.937518][ T1321] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.937772][ T1321] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.938221][ T1321] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.938618][ T1321] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 161.938959][ T1321] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.939299][ T1321] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.939646][ T1321] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.939988][ T1321] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.940327][ T1321] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.940678][ T1321] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.941027][ T1321] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.941356][ T1321] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.941701][ T1321] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.942047][ T1321] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.942382][ T1321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.942737][ T1321] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.943075][ T1321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.943417][ T1321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.943762][ T1321] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.944102][ T1321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.944433][ T1321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.944775][ T1321] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.945108][ T1321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.945436][ T1321] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.945779][ T1321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.946111][ T1321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 161.946448][ T1321] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 161.946785][ T1321] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.947114][ T1321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.947444][ T1321] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.947793][ T1321] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.948123][ T1321] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.948454][ T1321] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.948811][ T1321] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.949142][ T1321] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.949561][ T1321] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.949901][ T1321] ___sys_sendmsg (net/socket.c:2670) 
[ 161.950233][ T1321] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.950578][ T1321] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.950916][ T1321] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.951249][ T1321] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.951590][ T1321] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.951920][ T1321] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.952251][ T1321] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.952609][ T1321] __sys_sendmsg (net/socket.c:2700) 
[ 161.952946][ T1321] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.953270][ T1321] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 161.953617][ T1321] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.953957][ T1321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.954302][ T1321] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.954641][ T1321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.955061][ T1321] RIP: 0033:0x7f64fa1751e7
[ 161.955407][ T1321] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.956604][ T1321] RSP: 002b:00007fff84aac048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.957115][ T1321] RAX: ffffffffffffffda RBX: 00007fff84aac770 RCX: 00007f64fa1751e7
[  161.957628][ T1321] RDX: 0000000000000000 RSI: 00007fff84aac0b0 RDI: 0000000000000005
[  161.958134][ T1321] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.958643][ T1321] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff84aac7a8
[  161.959152][ T1321] R13: 00000000686e5e67 R14: 0000000000499600 R15: 0000000000000000
| [  162.126150][ T1323] ------------[ cut here ]------------
| [ 162.126511][ T1323] WARNING: CPU: 3 PID: 1323 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.127255][ T1323] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.128518][ T1323] Tainted: [W]=WARN
[  162.128795][ T1323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.129238][ T1323] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.129606][ T1323] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  162.130848][ T1323] RSP: 0018:ffffc90000e87080 EFLAGS: 00010246
[  162.131299][ T1323] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  162.131828][ T1323] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  162.132429][ T1323] RBP: ffffc90000e87168 R08: 0000000000000000 R09: 0000000000000000
[  162.132968][ T1323] R10: ffffc90000e87198 R11: ffffffff9a8a8918 R12: 1ffff920001d0e14
[  162.133494][ T1323] R13: 00000000000005dc R14: ffffc90000e87198 R15: ffff88800fa6af08
[  162.134017][ T1323] FS:  00007f7fa4c8b800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  162.134644][ T1323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.135078][ T1323] CR2: 00000000004a1738 CR3: 0000000004ffe003 CR4: 0000000000772ef0
[  162.135611][ T1323] PKRU: 55555554
[  162.135870][ T1323] Call Trace:
[  162.136130][ T1323]  <TASK>
[ 162.136319][ T1323] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.136682][ T1323] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.137027][ T1323] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.137473][ T1323] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.137814][ T1323] netif_set_mtu (net/core/dev.c:9652) 
[ 162.138147][ T1323] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.138507][ T1323] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.138970][ T1323] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.139241][ T1323] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.139700][ T1323] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.140067][ T1323] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 162.140401][ T1323] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.140739][ T1323] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.141069][ T1323] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.141402][ T1323] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.141737][ T1323] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.142065][ T1323] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.142409][ T1323] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.142747][ T1323] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.143081][ T1323] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.143432][ T1323] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.143772][ T1323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.144111][ T1323] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.144465][ T1323] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.144804][ T1323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.145129][ T1323] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.145471][ T1323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.145824][ T1323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.146159][ T1323] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.146511][ T1323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.146855][ T1323] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.147195][ T1323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.147535][ T1323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.147932][ T1323] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 162.148252][ T1323] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.148584][ T1323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.148913][ T1323] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.149236][ T1323] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.149551][ T1323] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.149923][ T1323] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.150246][ T1323] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.150561][ T1323] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.150974][ T1323] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.151299][ T1323] ___sys_sendmsg (net/socket.c:2670) 
[ 162.151623][ T1323] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.151941][ T1323] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.152268][ T1323] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.152604][ T1323] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.152928][ T1323] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.153244][ T1323] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.153556][ T1323] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.153893][ T1323] __sys_sendmsg (net/socket.c:2700) 
[ 162.154208][ T1323] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.154530][ T1323] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.154894][ T1323] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.155233][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.155548][ T1323] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.155901][ T1323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.156292][ T1323] RIP: 0033:0x7f7fa4e581e7
[ 162.156634][ T1323] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.157768][ T1323] RSP: 002b:00007ffcdc597ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.158256][ T1323] RAX: ffffffffffffffda RBX: 00007ffcdc5981e0 RCX: 00007f7fa4e581e7
[  162.158757][ T1323] RDX: 0000000000000000 RSI: 00007ffcdc597b20 RDI: 0000000000000005
[  162.159229][ T1323] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.159728][ T1323] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcdc598218
[  162.160251][ T1323] R13: 00000000686e5e67 R14: 0000000000499600 R15: 0000000000000000
| [  162.349184][ T1324] ------------[ cut here ]------------
| [ 162.349532][ T1324] WARNING: CPU: 0 PID: 1324 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.350257][ T1324] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.351453][ T1324] Tainted: [W]=WARN
[  162.351718][ T1324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.352132][ T1324] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.352476][ T1324] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  162.353666][ T1324] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  162.354093][ T1324] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  162.354592][ T1324] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  162.355097][ T1324] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  162.355596][ T1324] R10: ffffc90000eb7198 R11: ffffffff9a8a8918 R12: 1ffff920001d6e14
[  162.356115][ T1324] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800fa6af08
[  162.356623][ T1324] FS:  00007fe5de846800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  162.357204][ T1324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.357634][ T1324] CR2: 00000000004a1738 CR3: 000000000f003005 CR4: 0000000000772ef0
[  162.358117][ T1324] PKRU: 55555554
[  162.358357][ T1324] Call Trace:
[  162.358619][ T1324]  <TASK>
[ 162.358790][ T1324] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.359112][ T1324] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.359430][ T1324] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.359843][ T1324] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.360160][ T1324] netif_set_mtu (net/core/dev.c:9652) 
[ 162.360474][ T1324] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.360827][ T1324] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.361268][ T1324] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.361509][ T1324] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.361963][ T1324] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.362321][ T1324] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 162.362700][ T1324] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.363037][ T1324] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.363369][ T1324] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.363717][ T1324] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.364084][ T1324] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.364421][ T1324] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.364780][ T1324] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.365110][ T1324] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.365445][ T1324] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.365808][ T1324] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.366146][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.366487][ T1324] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.366842][ T1324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.367176][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.367509][ T1324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.367863][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.368197][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.368545][ T1324] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.368899][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.369229][ T1324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.369587][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.369929][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.370253][ T1324] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 162.370597][ T1324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.370940][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.371277][ T1324] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.371624][ T1324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.371959][ T1324] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.372300][ T1324] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.372646][ T1324] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.372990][ T1324] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.373405][ T1324] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.373763][ T1324] ___sys_sendmsg (net/socket.c:2670) 
[ 162.374094][ T1324] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.374433][ T1324] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.374787][ T1324] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.375114][ T1324] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.375449][ T1324] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.375797][ T1324] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.376126][ T1324] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.376478][ T1324] __sys_sendmsg (net/socket.c:2700) 
[ 162.376835][ T1324] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.377164][ T1324] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.377501][ T1324] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.377856][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.378191][ T1324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.378538][ T1324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.378971][ T1324] RIP: 0033:0x7fe5dea131e7
[ 162.379311][ T1324] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.380496][ T1324] RSP: 002b:00007fff8021e838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.381018][ T1324] RAX: ffffffffffffffda RBX: 00007fff8021ef60 RCX: 00007fe5dea131e7
[  162.381518][ T1324] RDX: 0000000000000000 RSI: 00007fff8021e8a0 RDI: 0000000000000005
[  162.382029][ T1324] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.382518][ T1324] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff8021ef98
[  162.383034][ T1324] R13: 00000000686e5e68 R14: 0000000000499600 R15: 0000000000000000
| [  162.545601][ T1327] ------------[ cut here ]------------
| [ 162.545966][ T1327] WARNING: CPU: 3 PID: 1327 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.546640][ T1327] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.547780][ T1327] Tainted: [W]=WARN
[  162.548018][ T1327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.548447][ T1327] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.548804][ T1327] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  162.549945][ T1327] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  162.550345][ T1327] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  162.550822][ T1327] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  162.551293][ T1327] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  162.551802][ T1327] R10: ffffc90000eb7198 R11: ffffffff9a8a8918 R12: 1ffff920001d6e14
[  162.552306][ T1327] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800fa6af08
[  162.552791][ T1327] FS:  00007f60c28f9800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  162.553385][ T1327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.553821][ T1327] CR2: 00000000004a1738 CR3: 000000000a3e9004 CR4: 0000000000772ef0
[  162.554321][ T1327] PKRU: 55555554
[  162.554559][ T1327] Call Trace:
[  162.554806][ T1327]  <TASK>
[ 162.554971][ T1327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.555295][ T1327] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.555619][ T1327] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.556025][ T1327] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.556377][ T1327] netif_set_mtu (net/core/dev.c:9652) 
[ 162.556712][ T1327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.557050][ T1327] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.557485][ T1327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.557745][ T1327] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.558199][ T1327] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.558588][ T1327] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 162.558920][ T1327] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.559250][ T1327] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.559604][ T1327] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.559930][ T1327] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.560257][ T1327] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.560610][ T1327] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.560941][ T1327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.561255][ T1327] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.561585][ T1327] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.561929][ T1327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.562255][ T1327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.562605][ T1327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.562927][ T1327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.563253][ T1327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.563603][ T1327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.563937][ T1327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.564272][ T1327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.564634][ T1327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.564960][ T1327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.565305][ T1327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.565645][ T1327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.565961][ T1327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.566280][ T1327] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 162.566606][ T1327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.566918][ T1327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.567238][ T1327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.567557][ T1327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.567884][ T1327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.568207][ T1327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.568582][ T1327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.568899][ T1327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.569294][ T1327] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.569629][ T1327] ___sys_sendmsg (net/socket.c:2670) 
[ 162.569945][ T1327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.570275][ T1327] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.570615][ T1327] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.570927][ T1327] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.571244][ T1327] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.571563][ T1327] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.571898][ T1327] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.572252][ T1327] __sys_sendmsg (net/socket.c:2700) 
[ 162.572604][ T1327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.572920][ T1327] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.573240][ T1327] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.573556][ T1327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.573882][ T1327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.574197][ T1327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.574590][ T1327] RIP: 0033:0x7f60c2ac61e7
[ 162.574921][ T1327] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.576050][ T1327] RSP: 002b:00007ffe66bf0c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.576552][ T1327] RAX: ffffffffffffffda RBX: 00007ffe66bf1390 RCX: 00007f60c2ac61e7
[  162.577036][ T1327] RDX: 0000000000000000 RSI: 00007ffe66bf0cd0 RDI: 0000000000000005
[  162.577505][ T1327] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.578021][ T1327] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe66bf13c8
[  162.578519][ T1327] R13: 00000000686e5e68 R14: 0000000000499600 R15: 0000000000000000
| [  162.795261][ T1328] ------------[ cut here ]------------
| [ 162.795946][ T1328] WARNING: CPU: 2 PID: 1328 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.797055][ T1328] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.798936][ T1328] Tainted: [W]=WARN
[  162.799376][ T1328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.800087][ T1328] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.800703][ T1328] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  162.802198][ T1328] RSP: 0018:ffffc90000e97080 EFLAGS: 00010246
[  162.802820][ T1328] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  162.803698][ T1328] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  162.804547][ T1328] RBP: ffffc90000e97168 R08: 0000000000000000 R09: 0000000000000000
[  162.805425][ T1328] R10: ffffc90000e97198 R11: ffffffff9a8a8918 R12: 1ffff920001d2e14
[  162.806293][ T1328] R13: 00000000000005dc R14: ffffc90000e97198 R15: ffff88800fa6af08
[  162.807170][ T1328] FS:  00007fa40fa48800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  162.808180][ T1328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.808990][ T1328] CR2: 00007efe47d787b0 CR3: 0000000008b89004 CR4: 0000000000772ef0
[  162.809876][ T1328] PKRU: 55555554
[  162.810317][ T1328] Call Trace:
[  162.810661][ T1328]  <TASK>
[ 162.810931][ T1328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.811427][ T1328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.811825][ T1328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.812457][ T1328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.813054][ T1328] netif_set_mtu (net/core/dev.c:9652) 
[ 162.813615][ T1328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.814190][ T1328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.814987][ T1328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.815443][ T1328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.816247][ T1328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.816922][ T1328] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 162.817344][ T1328] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.817889][ T1328] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.818472][ T1328] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.819087][ T1328] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.819675][ T1328] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.820264][ T1328] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.820879][ T1328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.821456][ T1328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.822009][ T1328] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.822466][ T1328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.823021][ T1328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.823635][ T1328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.824194][ T1328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.824778][ T1328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.825338][ T1328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.825929][ T1328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.826519][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.827122][ T1328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.827518][ T1328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.828085][ T1328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.828698][ T1328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.829275][ T1328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.829857][ T1328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 162.830436][ T1328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.830867][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.831266][ T1328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.831756][ T1328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.832166][ T1328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.832605][ T1328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.833128][ T1328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.833761][ T1328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.834473][ T1328] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.835044][ T1328] ___sys_sendmsg (net/socket.c:2670) 
[ 162.835609][ T1328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.836165][ T1328] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.836752][ T1328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.837329][ T1328] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.837881][ T1328] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.838310][ T1328] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.838900][ T1328] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.839498][ T1328] __sys_sendmsg (net/socket.c:2700) 
[ 162.840087][ T1328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.840671][ T1328] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.841260][ T1328] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.841708][ T1328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.842191][ T1328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.842750][ T1328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.843294][ T1328] RIP: 0033:0x7fa40fc151e7
[ 162.843915][ T1328] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.845883][ T1328] RSP: 002b:00007ffc4c7a8048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.846760][ T1328] RAX: ffffffffffffffda RBX: 00007ffc4c7a8770 RCX: 00007fa40fc151e7
[  162.847601][ T1328] RDX: 0000000000000000 RSI: 00007ffc4c7a80b0 RDI: 0000000000000005
[  162.848300][ T1328] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.849172][ T1328] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4c7a87a8
[  162.850034][ T1328] R13: 00000000686e5e68 R14: 0000000000499600 R15: 0000000000000000
| [  163.053156][ T1330] ------------[ cut here ]------------
| [ 163.053763][ T1330] WARNING: CPU: 2 PID: 1330 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.054627][ T1330] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.056661][ T1330] Tainted: [W]=WARN
[  163.057085][ T1330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.057783][ T1330] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.058365][ T1330] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  163.060181][ T1330] RSP: 0018:ffffc90000e97080 EFLAGS: 00010246
[  163.060882][ T1330] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  163.061741][ T1330] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  163.062605][ T1330] RBP: ffffc90000e97168 R08: 0000000000000000 R09: 0000000000000000
[  163.063455][ T1330] R10: ffffc90000e97198 R11: ffffffff9a8a8918 R12: 1ffff920001d2e14
[  163.064328][ T1330] R13: 00000000000005dc R14: ffffc90000e97198 R15: ffff88800fa6af08
[  163.065163][ T1330] FS:  00007f038371b800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  163.066125][ T1330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.066826][ T1330] CR2: 00000000004a1738 CR3: 0000000009708005 CR4: 0000000000772ef0
[  163.067691][ T1330] PKRU: 55555554
[  163.068132][ T1330] Call Trace:
[  163.068622][ T1330]  <TASK>
[ 163.068927][ T1330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.069513][ T1330] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.069993][ T1330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.070557][ T1330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.071104][ T1330] netif_set_mtu (net/core/dev.c:9652) 
[ 163.071681][ T1330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.072275][ T1330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.073049][ T1330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.073475][ T1330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.074256][ T1330] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.074913][ T1330] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 163.075474][ T1330] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.075982][ T1330] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.076501][ T1330] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.077073][ T1330] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.077680][ T1330] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.078254][ T1330] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.078863][ T1330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.079434][ T1330] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.080030][ T1330] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.080636][ T1330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.081229][ T1330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.081814][ T1330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.082359][ T1330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.082927][ T1330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.083488][ T1330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.084078][ T1330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.084668][ T1330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.085246][ T1330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.085808][ T1330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.086182][ T1330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.086723][ T1330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.087286][ T1330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.087853][ T1330] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 163.088414][ T1330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.089018][ T1330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.089627][ T1330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.090200][ T1330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.090777][ T1330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.091345][ T1330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.091762][ T1330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.092288][ T1330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.093006][ T1330] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.093598][ T1330] ___sys_sendmsg (net/socket.c:2670) 
[ 163.094180][ T1330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.094758][ T1330] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.095327][ T1330] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.095904][ T1330] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.096465][ T1330] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.097064][ T1330] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.097619][ T1330] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.098201][ T1330] __sys_sendmsg (net/socket.c:2700) 
[ 163.098780][ T1330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.099348][ T1330] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 163.099948][ T1330] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 163.100542][ T1330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.101121][ T1330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.101596][ T1330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.102151][ T1330] RIP: 0033:0x7f03838e81e7
[ 163.102704][ T1330] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  163.104670][ T1330] RSP: 002b:00007ffd871f2918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.105505][ T1330] RAX: ffffffffffffffda RBX: 00007ffd871f3040 RCX: 00007f03838e81e7
[  163.106345][ T1330] RDX: 0000000000000000 RSI: 00007ffd871f2980 RDI: 0000000000000005
[  163.107207][ T1330] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.107847][ T1330] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd871f3078
[  163.108723][ T1330] R13: 00000000686e5e68 R14: 0000000000499600 R15: 0000000000000000
| [  163.337303][ T1333] ------------[ cut here ]------------
| [ 163.337783][ T1333] WARNING: CPU: 3 PID: 1333 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.338857][ T1333] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.340849][ T1333] Tainted: [W]=WARN
[  163.341264][ T1333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.341985][ T1333] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.342578][ T1333] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  163.344542][ T1333] RSP: 0018:ffffc90000ec7080 EFLAGS: 00010246
[  163.345275][ T1333] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  163.346149][ T1333] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  163.347016][ T1333] RBP: ffffc90000ec7168 R08: 0000000000000000 R09: 0000000000000000
[  163.347879][ T1333] R10: ffffc90000ec7198 R11: ffffffff9a8a8918 R12: 1ffff920001d8e14
[  163.348743][ T1333] R13: 00000000000005dc R14: ffffc90000ec7198 R15: ffff88800fa6af08
[  163.349611][ T1333] FS:  00007fadeea96800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  163.350598][ T1333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.351294][ T1333] CR2: 00000000004a1738 CR3: 000000000ddab006 CR4: 0000000000772ef0
[  163.352137][ T1333] PKRU: 55555554
[  163.352557][ T1333] Call Trace:
[  163.352985][ T1333]  <TASK>
[ 163.353280][ T1333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.353862][ T1333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.354427][ T1333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.355119][ T1333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.355704][ T1333] netif_set_mtu (net/core/dev.c:9652) 
[ 163.356280][ T1333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.356876][ T1333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.357654][ T1333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.358091][ T1333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.358876][ T1333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.359533][ T1333] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 163.360107][ T1333] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.360707][ T1333] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.361291][ T1333] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.361877][ T1333] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.362455][ T1333] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.363038][ T1333] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.363626][ T1333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.364194][ T1333] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.364770][ T1333] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.365356][ T1333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.365953][ T1333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.366543][ T1333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.367116][ T1333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.367709][ T1333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.368272][ T1333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.368869][ T1333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.369432][ T1333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.370027][ T1333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.370584][ T1333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.371204][ T1333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.371799][ T1333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.372372][ T1333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.372942][ T1333] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 163.373524][ T1333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.374122][ T1333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.374706][ T1333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.375291][ T1333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.375883][ T1333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.376468][ T1333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.377046][ T1333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.377625][ T1333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.378343][ T1333] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.378772][ T1333] ___sys_sendmsg (net/socket.c:2670) 
[ 163.379106][ T1333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.379433][ T1333] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.379773][ T1333] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.380107][ T1333] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.380435][ T1333] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.380760][ T1333] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.381086][ T1333] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.381416][ T1333] __sys_sendmsg (net/socket.c:2700) 
[ 163.381741][ T1333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.382062][ T1333] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 163.382381][ T1333] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 163.382702][ T1333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.383019][ T1333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.383335][ T1333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.383735][ T1333] RIP: 0033:0x7fadeec631e7
[ 163.384071][ T1333] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  163.385206][ T1333] RSP: 002b:00007ffe814a3408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.385684][ T1333] RAX: ffffffffffffffda RBX: 00007ffe814a3b30 RCX: 00007fadeec631e7
[  163.386157][ T1333] RDX: 0000000000000000 RSI: 00007ffe814a3470 RDI: 0000000000000005
[  163.386633][ T1333] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.387098][ T1333] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe814a3b68
[  163.387575][ T1333] R13: 00000000686e5e69 R14: 0000000000499600 R15: 0000000000000000
| [  163.580612][ T1334] ------------[ cut here ]------------
| [ 163.580944][ T1334] WARNING: CPU: 3 PID: 1334 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.581669][ T1334] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.582844][ T1334] Tainted: [W]=WARN
[  163.583093][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.583503][ T1334] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.583849][ T1334] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  163.585027][ T1334] RSP: 0018:ffffc90000ee7080 EFLAGS: 00010246
[  163.585444][ T1334] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  163.585938][ T1334] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  163.586429][ T1334] RBP: ffffc90000ee7168 R08: 0000000000000000 R09: 0000000000000000
[  163.586931][ T1334] R10: ffffc90000ee7198 R11: ffffffff9a8a8918 R12: 1ffff920001dce14
[  163.587421][ T1334] R13: 00000000000005dc R14: ffffc90000ee7198 R15: ffff88800fa6af08
[  163.587920][ T1334] FS:  00007fbc66528800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  163.588509][ T1334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.588944][ T1334] CR2: 00000000004a1738 CR3: 000000000f2b7005 CR4: 0000000000772ef0
[  163.589436][ T1334] PKRU: 55555554
[  163.589693][ T1334] Call Trace:
[  163.589943][ T1334]  <TASK>
[ 163.590116][ T1334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.590452][ T1334] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.590792][ T1334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.591205][ T1334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.591549][ T1334] netif_set_mtu (net/core/dev.c:9652) 
[ 163.591894][ T1334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.592233][ T1334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.592695][ T1334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.592948][ T1334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.593393][ T1334] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.593781][ T1334] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 163.594117][ T1334] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.594457][ T1334] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.594804][ T1334] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.595142][ T1334] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.595474][ T1334] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.595813][ T1334] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.596154][ T1334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.596482][ T1334] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.596825][ T1334] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.597164][ T1334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.597499][ T1334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.597851][ T1334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.598179][ T1334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.598523][ T1334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.598870][ T1334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.599189][ T1334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.599507][ T1334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.599851][ T1334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.600170][ T1334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.600498][ T1334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.600832][ T1334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.601156][ T1334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.601474][ T1334] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 163.601798][ T1334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.602111][ T1334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.602430][ T1334] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.602763][ T1334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.603085][ T1334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.603406][ T1334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.603735][ T1334] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.604053][ T1334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.604449][ T1334] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.604776][ T1334] ___sys_sendmsg (net/socket.c:2670) 
[ 163.605093][ T1334] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.605412][ T1334] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.605739][ T1334] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.606054][ T1334] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.606372][ T1334] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.606694][ T1334] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.607006][ T1334] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.607337][ T1334] __sys_sendmsg (net/socket.c:2700) 
[ 163.607669][ T1334] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.607983][ T1334] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 163.608308][ T1334] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 163.608661][ T1334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.608982][ T1334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.609298][ T1334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.609699][ T1334] RIP: 0033:0x7fbc666f51e7
[ 163.610029][ T1334] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  163.611150][ T1334] RSP: 002b:00007ffc8118a1c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.611634][ T1334] RAX: ffffffffffffffda RBX: 00007ffc8118a8f0 RCX: 00007fbc666f51e7
[  163.612109][ T1334] RDX: 0000000000000000 RSI: 00007ffc8118a230 RDI: 0000000000000005
[  163.612587][ T1334] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.613057][ T1334] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8118a928
[  163.613525][ T1334] R13: 00000000686e5e69 R14: 0000000000499600 R15: 0000000000000000
| [  163.786366][ T1336] ------------[ cut here ]------------
| [ 163.786755][ T1336] WARNING: CPU: 3 PID: 1336 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.787397][ T1336] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.788590][ T1336] Tainted: [W]=WARN
[  163.788830][ T1336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.789232][ T1336] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.789574][ T1336] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  163.790722][ T1336] RSP: 0018:ffffc90000f17080 EFLAGS: 00010246
[  163.791130][ T1336] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  163.791615][ T1336] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  163.792095][ T1336] RBP: ffffc90000f17168 R08: 0000000000000000 R09: 0000000000000000
[  163.792586][ T1336] R10: ffffc90000f17198 R11: ffffffff9a8a8918 R12: 1ffff920001e2e14
[  163.793071][ T1336] R13: 00000000000005dc R14: ffffc90000f17198 R15: ffff88800fa6af08
[  163.793553][ T1336] FS:  00007fc5331c8800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  163.794107][ T1336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.794506][ T1336] CR2: 00000000004a1738 CR3: 000000000b949003 CR4: 0000000000772ef0
[  163.794982][ T1336] PKRU: 55555554
[  163.795221][ T1336] Call Trace:
[  163.795455][ T1336]  <TASK>
[ 163.795626][ T1336] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.795954][ T1336] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.796273][ T1336] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.796716][ T1336] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.797048][ T1336] netif_set_mtu (net/core/dev.c:9652) 
[ 163.797383][ T1336] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.797721][ T1336] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.798160][ T1336] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.798407][ T1336] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.798864][ T1336] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.799234][ T1336] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 163.799554][ T1336] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.799883][ T1336] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.800213][ T1336] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.800531][ T1336] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.800856][ T1336] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.801191][ T1336] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.801546][ T1336] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.801871][ T1336] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.802197][ T1336] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.802532][ T1336] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.802884][ T1336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.803219][ T1336] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.803541][ T1336] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.803874][ T1336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.804193][ T1336] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.804525][ T1336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.804855][ T1336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.805176][ T1336] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.805496][ T1336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.805842][ T1336] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.806182][ T1336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.806495][ T1336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.806828][ T1336] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 163.807148][ T1336] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.807473][ T1336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.807815][ T1336] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.808135][ T1336] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.808460][ T1336] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.808866][ T1336] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.809192][ T1336] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.809541][ T1336] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.809970][ T1336] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.810309][ T1336] ___sys_sendmsg (net/socket.c:2670) 
[ 163.810648][ T1336] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.810975][ T1336] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.811306][ T1336] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.811637][ T1336] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.811973][ T1336] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.812305][ T1336] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.812644][ T1336] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.812992][ T1336] __sys_sendmsg (net/socket.c:2700) 
[ 163.813323][ T1336] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.813662][ T1336] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 163.814002][ T1336] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 163.814349][ T1336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.814676][ T1336] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.814994][ T1336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.815382][ T1336] RIP: 0033:0x7fc5333951e7
[ 163.815712][ T1336] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  163.816838][ T1336] RSP: 002b:00007ffd085f0fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.817344][ T1336] RAX: ffffffffffffffda RBX: 00007ffd085f1710 RCX: 00007fc5333951e7
[  163.817847][ T1336] RDX: 0000000000000000 RSI: 00007ffd085f1050 RDI: 0000000000000005
[  163.818345][ T1336] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.818856][ T1336] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd085f1748
[  163.819348][ T1336] R13: 00000000686e5e69 R14: 0000000000499600 R15: 0000000000000000
| [  163.977424][ T1338] ------------[ cut here ]------------
| [ 163.977832][ T1338] WARNING: CPU: 3 PID: 1338 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.978495][ T1338] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.979691][ T1338] Tainted: [W]=WARN
[  163.979943][ T1338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.980359][ T1338] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.980708][ T1338] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  163.981890][ T1338] RSP: 0018:ffffc90000f37080 EFLAGS: 00010246
[  163.982306][ T1338] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  163.982804][ T1338] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  163.983294][ T1338] RBP: ffffc90000f37168 R08: 0000000000000000 R09: 0000000000000000
[  163.983797][ T1338] R10: ffffc90000f37198 R11: ffffffff9a8a8918 R12: 1ffff920001e6e14
[  163.984286][ T1338] R13: 00000000000005dc R14: ffffc90000f37198 R15: ffff88800fa6af08
[  163.984771][ T1338] FS:  00007f3591e03800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  163.985328][ T1338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.985754][ T1338] CR2: 00000000004a1738 CR3: 000000000295a001 CR4: 0000000000772ef0
[  163.986255][ T1338] PKRU: 55555554
[  163.986501][ T1338] Call Trace:
[  163.986755][ T1338]  <TASK>
[ 163.986927][ T1338] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.987263][ T1338] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.987602][ T1338] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.988023][ T1338] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.988363][ T1338] netif_set_mtu (net/core/dev.c:9652) 
[ 163.988714][ T1338] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.989066][ T1338] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.989525][ T1338] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.989785][ T1338] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.990228][ T1338] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.990610][ T1338] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 163.990943][ T1338] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.991284][ T1338] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.991627][ T1338] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.991960][ T1338] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.992287][ T1338] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.992631][ T1338] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.992966][ T1338] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.993292][ T1338] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.993634][ T1338] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.993970][ T1338] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.994289][ T1338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.994629][ T1338] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.994958][ T1338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.995286][ T1338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.995604][ T1338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.995932][ T1338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.996263][ T1338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.996603][ T1338] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.996932][ T1338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.997261][ T1338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.997612][ T1338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.997943][ T1338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.998275][ T1338] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 163.998624][ T1338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.998953][ T1338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.999287][ T1338] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.999629][ T1338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.999961][ T1338] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.000296][ T1338] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.000638][ T1338] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.000967][ T1338] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.001375][ T1338] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.001721][ T1338] ___sys_sendmsg (net/socket.c:2670) 
[ 164.002053][ T1338] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.002380][ T1338] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.002719][ T1338] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.003047][ T1338] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.003379][ T1338] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.003712][ T1338] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.004271][ T1338] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.004621][ T1338] __sys_sendmsg (net/socket.c:2700) 
[ 164.004942][ T1338] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.005267][ T1338] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 164.005614][ T1338] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 164.005948][ T1338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.006279][ T1338] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.006625][ T1338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.007034][ T1338] RIP: 0033:0x7f3591fd01e7
[ 164.007375][ T1338] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.008807][ T1338] RSP: 002b:00007ffde27dad18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.009536][ T1338] RAX: ffffffffffffffda RBX: 00007ffde27db440 RCX: 00007f3591fd01e7
[  164.010044][ T1338] RDX: 0000000000000000 RSI: 00007ffde27dad80 RDI: 0000000000000005
[  164.010535][ T1338] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.011045][ T1338] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffde27db478
[  164.011545][ T1338] R13: 00000000686e5e69 R14: 0000000000499600 R15: 0000000000000000
| [  164.189282][ T1340] ------------[ cut here ]------------
| [ 164.189703][ T1340] WARNING: CPU: 0 PID: 1340 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  164.190366][ T1340] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.191815][ T1340] Tainted: [W]=WARN
[  164.192068][ T1340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.192600][ T1340] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 164.193034][ T1340] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  164.194457][ T1340] RSP: 0018:ffffc90000ec7080 EFLAGS: 00010246
[  164.194888][ T1340] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  164.195580][ T1340] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  164.196075][ T1340] RBP: ffffc90000ec7168 R08: 0000000000000000 R09: 0000000000000000
[  164.196590][ T1340] R10: ffffc90000ec7198 R11: ffffffff9a8a8918 R12: 1ffff920001d8e14
[  164.197180][ T1340] R13: 00000000000005dc R14: ffffc90000ec7198 R15: ffff88800fa6af08
[  164.197797][ T1340] FS:  00007fb093a12800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  164.198514][ T1340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.199031][ T1340] CR2: 00007f658fe63270 CR3: 000000000ddb6002 CR4: 0000000000772ef0
[  164.199790][ T1340] PKRU: 55555554
[  164.200043][ T1340] Call Trace:
[  164.200361][ T1340]  <TASK>
[ 164.200560][ T1340] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.200974][ T1340] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.201343][ T1340] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.201821][ T1340] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.202160][ T1340] netif_set_mtu (net/core/dev.c:9652) 
[ 164.202518][ T1340] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.202964][ T1340] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.203631][ T1340] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.203891][ T1340] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.204518][ T1340] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.204977][ T1340] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 164.205371][ T1340] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.205775][ T1340] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.206167][ T1340] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.206605][ T1340] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.206940][ T1340] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.207333][ T1340] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.207796][ T1340] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.208176][ T1340] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.208544][ T1340] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.208954][ T1340] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.209342][ T1340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.209700][ T1340] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.210030][ T1340] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.210402][ T1340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.210749][ T1340] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.211081][ T1340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.211589][ T1340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.211930][ T1340] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.212266][ T1340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.212689][ T1340] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.213133][ T1340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.213549][ T1340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 164.213983][ T1340] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.214347][ T1340] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.214688][ T1340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.215076][ T1340] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.215495][ T1340] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.215933][ T1340] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.216446][ T1340] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.216804][ T1340] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.217135][ T1340] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.217575][ T1340] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.217916][ T1340] ___sys_sendmsg (net/socket.c:2670) 
[ 164.218263][ T1340] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.218609][ T1340] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.218922][ T1340] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.219259][ T1340] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.219589][ T1340] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.219907][ T1340] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.220231][ T1340] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.220583][ T1340] __sys_sendmsg (net/socket.c:2700) 
[ 164.220901][ T1340] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.221224][ T1340] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 164.221546][ T1340] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 164.221872][ T1340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.222190][ T1340] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.222515][ T1340] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.222914][ T1340] RIP: 0033:0x7fb093bdf1e7
[ 164.223255][ T1340] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.224406][ T1340] RSP: 002b:00007ffe28322fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.224909][ T1340] RAX: ffffffffffffffda RBX: 00007ffe28323710 RCX: 00007fb093bdf1e7
[  164.225384][ T1340] RDX: 0000000000000000 RSI: 00007ffe28323050 RDI: 0000000000000005
[  164.225858][ T1340] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.226340][ T1340] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe28323748
[  164.226827][ T1340] R13: 00000000686e5e69 R14: 0000000000499600 R15: 0000000000000000
| [  164.450886][ T1342] ------------[ cut here ]------------
| [ 164.451210][ T1342] WARNING: CPU: 0 PID: 1342 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  164.451975][ T1342] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.453240][ T1342] Tainted: [W]=WARN
[  164.453508][ T1342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.454037][ T1342] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 164.454414][ T1342] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  164.455737][ T1342] RSP: 0018:ffffc90000f27080 EFLAGS: 00010246
[  164.456220][ T1342] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  164.456850][ T1342] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  164.457427][ T1342] RBP: ffffc90000f27168 R08: 0000000000000000 R09: 0000000000000000
[  164.458015][ T1342] R10: ffffc90000f27198 R11: ffffffff9a8a8918 R12: 1ffff920001e4e14
[  164.458642][ T1342] R13: 00000000000005dc R14: ffffc90000f27198 R15: ffff88800fa6af08
[  164.459302][ T1342] FS:  00007f32fbefe800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  164.460250][ T1342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.460954][ T1342] CR2: 00000000004a1738 CR3: 0000000004e6c005 CR4: 0000000000772ef0
[  164.461787][ T1342] PKRU: 55555554
[  164.462207][ T1342] Call Trace:
[  164.462627][ T1342]  <TASK>
[ 164.462915][ T1342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.463473][ T1342] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.464036][ T1342] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.464732][ T1342] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.465280][ T1342] netif_set_mtu (net/core/dev.c:9652) 
[ 164.465744][ T1342] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.466192][ T1342] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.466832][ T1342] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.467240][ T1342] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.468001][ T1342] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.468646][ T1342] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 164.469023][ T1342] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.469375][ T1342] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.469801][ T1342] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.470115][ T1342] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.470440][ T1342] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.470910][ T1342] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.471301][ T1342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.471688][ T1342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.472072][ T1342] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.472557][ T1342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.472893][ T1342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.473234][ T1342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.473549][ T1342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.473892][ T1342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.474218][ T1342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.474535][ T1342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.474963][ T1342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.475308][ T1342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.475634][ T1342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.475954][ T1342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.476380][ T1342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.476771][ T1342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 164.477086][ T1342] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.477508][ T1342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.477834][ T1342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.478284][ T1342] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.478726][ T1342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.479049][ T1342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.479475][ T1342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.479836][ T1342] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.480224][ T1342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.480828][ T1342] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.481152][ T1342] ___sys_sendmsg (net/socket.c:2670) 
[ 164.481479][ T1342] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.481844][ T1342] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.482226][ T1342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.482590][ T1342] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.483037][ T1342] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.483400][ T1342] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.483812][ T1342] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.484144][ T1342] __sys_sendmsg (net/socket.c:2700) 
[ 164.484580][ T1342] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.484906][ T1342] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 164.485343][ T1342] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 164.485695][ T1342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.486058][ T1342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.486471][ T1342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.486989][ T1342] RIP: 0033:0x7f32fc0cb1e7
[ 164.487430][ T1342] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.488962][ T1342] RSP: 002b:00007fffa648e818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.489476][ T1342] RAX: ffffffffffffffda RBX: 00007fffa648ef40 RCX: 00007f32fc0cb1e7
[  164.490095][ T1342] RDX: 0000000000000000 RSI: 00007fffa648e880 RDI: 0000000000000005
[  164.490632][ T1342] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.491232][ T1342] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffa648ef78
[  164.491905][ T1342] R13: 00000000686e5e6a R14: 0000000000499600 R15: 0000000000000000
| [  164.686626][ T1344] ------------[ cut here ]------------
| [ 164.686960][ T1344] WARNING: CPU: 3 PID: 1344 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  164.687692][ T1344] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.688923][ T1344] Tainted: [W]=WARN
[  164.689174][ T1344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.689601][ T1344] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 164.689945][ T1344] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  164.691127][ T1344] RSP: 0018:ffffc90000ec7080 EFLAGS: 00010246
[  164.691545][ T1344] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  164.692043][ T1344] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  164.692538][ T1344] RBP: ffffc90000ec7168 R08: 0000000000000000 R09: 0000000000000000
[  164.693039][ T1344] R10: ffffc90000ec7198 R11: ffffffff9a8a8918 R12: 1ffff920001d8e14
[  164.693537][ T1344] R13: 00000000000005dc R14: ffffc90000ec7198 R15: ffff88800fa6af08
[  164.694048][ T1344] FS:  00007f0dd119b800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  164.694639][ T1344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.695056][ T1344] CR2: 00000000004a1738 CR3: 000000000ddea002 CR4: 0000000000772ef0
[  164.695554][ T1344] PKRU: 55555554
[  164.695814][ T1344] Call Trace:
[  164.696062][ T1344]  <TASK>
[ 164.696236][ T1344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.696586][ T1344] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.696923][ T1344] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.697341][ T1344] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.697684][ T1344] netif_set_mtu (net/core/dev.c:9652) 
[ 164.698018][ T1344] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.698361][ T1344] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.698839][ T1344] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.699098][ T1344] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.699547][ T1344] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.699926][ T1344] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 164.700256][ T1344] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.700598][ T1344] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.700935][ T1344] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.701269][ T1344] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.701604][ T1344] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.701936][ T1344] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.702272][ T1344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.702603][ T1344] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.702943][ T1344] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.703285][ T1344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.703632][ T1344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.703976][ T1344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.704304][ T1344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.704646][ T1344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.704978][ T1344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.705316][ T1344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.705656][ T1344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.705995][ T1344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.706325][ T1344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.706663][ T1344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.707006][ T1344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.707337][ T1344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 164.707676][ T1344] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.708010][ T1344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.708336][ T1344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.708688][ T1344] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.709025][ T1344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.709353][ T1344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.709697][ T1344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.710034][ T1344] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.710359][ T1344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.710776][ T1344] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.711115][ T1344] ___sys_sendmsg (net/socket.c:2670) 
[ 164.711447][ T1344] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.711785][ T1344] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.712122][ T1344] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.712445][ T1344] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.712782][ T1344] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.713111][ T1344] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.713441][ T1344] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.713793][ T1344] __sys_sendmsg (net/socket.c:2700) 
[ 164.714123][ T1344] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.714450][ T1344] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 164.714800][ T1344] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 164.715134][ T1344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.715463][ T1344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.715802][ T1344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.716211][ T1344] RIP: 0033:0x7f0dd13681e7
[ 164.716549][ T1344] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.717732][ T1344] RSP: 002b:00007ffeaddf0708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.718233][ T1344] RAX: ffffffffffffffda RBX: 00007ffeaddf0e30 RCX: 00007f0dd13681e7
[  164.718745][ T1344] RDX: 0000000000000000 RSI: 00007ffeaddf0770 RDI: 0000000000000005
[  164.719236][ T1344] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.719735][ T1344] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeaddf0e68
[  164.720234][ T1344] R13: 00000000686e5e6a R14: 0000000000499600 R15: 0000000000000000
| [  164.896776][ T1346] ------------[ cut here ]------------
| [ 164.897086][ T1346] WARNING: CPU: 3 PID: 1346 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  164.897789][ T1346] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.898954][ T1346] Tainted: [W]=WARN
[  164.899194][ T1346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.899593][ T1346] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 164.899922][ T1346] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  164.901054][ T1346] RSP: 0018:ffffc90000d57080 EFLAGS: 00010246
[  164.901450][ T1346] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  164.901936][ T1346] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  164.902404][ T1346] RBP: ffffc90000d57168 R08: 0000000000000000 R09: 0000000000000000
[  164.902889][ T1346] R10: ffffc90000d57198 R11: ffffffff9a8a8918 R12: 1ffff920001aae14
[  164.903359][ T1346] R13: 00000000000005dc R14: ffffc90000d57198 R15: ffff88800fa6af08
[  164.903833][ T1346] FS:  00007f1549c99800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  164.904385][ T1346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.904789][ T1346] CR2: 00007fb8930c5d84 CR3: 0000000004d60001 CR4: 0000000000772ef0
[  164.905265][ T1346] PKRU: 55555554
[  164.905502][ T1346] Call Trace:
[  164.905773][ T1346]  <TASK>
[ 164.905937][ T1346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.906262][ T1346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.906588][ T1346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.907006][ T1346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.907325][ T1346] netif_set_mtu (net/core/dev.c:9652) 
[ 164.907655][ T1346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.907982][ T1346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.908417][ T1346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.908691][ T1346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.909116][ T1346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.909474][ T1346] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 164.909806][ T1346] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.910136][ T1346] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.910450][ T1346] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.910774][ T1346] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.911092][ T1346] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.911408][ T1346] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.911891][ T1346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.912204][ T1346] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.912523][ T1346] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.912882][ T1346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.913202][ T1346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.913530][ T1346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.913851][ T1346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.914171][ T1346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.914482][ T1346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.914807][ T1346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.915128][ T1346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.915447][ T1346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.915770][ T1346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.916084][ T1346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.916410][ T1346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.916733][ T1346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 164.917048][ T1346] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.917368][ T1346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.917691][ T1346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.918011][ T1346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.918329][ T1346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.918681][ T1346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.919007][ T1346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.919324][ T1346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.919645][ T1346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.920042][ T1346] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.920363][ T1346] ___sys_sendmsg (net/socket.c:2670) 
[ 164.920686][ T1346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.921000][ T1346] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.921314][ T1346] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.921632][ T1346] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.921953][ T1346] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.922266][ T1346] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.922584][ T1346] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.922916][ T1346] __sys_sendmsg (net/socket.c:2700) 
[ 164.923231][ T1346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.923548][ T1346] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 164.923885][ T1346] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 164.924208][ T1346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.924533][ T1346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.924983][ T1346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.925384][ T1346] RIP: 0033:0x7f1549e661e7
[ 164.925723][ T1346] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.926845][ T1346] RSP: 002b:00007ffd3fe98a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.927319][ T1346] RAX: ffffffffffffffda RBX: 00007ffd3fe99150 RCX: 00007f1549e661e7
[  164.927803][ T1346] RDX: 0000000000000000 RSI: 00007ffd3fe98a90 RDI: 0000000000000005
[  164.928270][ T1346] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.928760][ T1346] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd3fe99188
[  164.929227][ T1346] R13: 00000000686e5e6a R14: 0000000000499600 R15: 0000000000000000
| [  165.089352][ T1348] ------------[ cut here ]------------
| [ 165.089845][ T1348] WARNING: CPU: 0 PID: 1348 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  165.090545][ T1348] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.091774][ T1348] Tainted: [W]=WARN
[  165.092033][ T1348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.092476][ T1348] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 165.092858][ T1348] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  165.094188][ T1348] RSP: 0018:ffffc90000f07080 EFLAGS: 00010246
[  165.094663][ T1348] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  165.095256][ T1348] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  165.095825][ T1348] RBP: ffffc90000f07168 R08: 0000000000000000 R09: 0000000000000000
[  165.096377][ T1348] R10: ffffc90000f07198 R11: ffffffff9a8a8918 R12: 1ffff920001e0e14
[  165.096934][ T1348] R13: 00000000000005dc R14: ffffc90000f07198 R15: ffff88800fa6af08
[  165.097434][ T1348] FS:  00007f89c3fa1800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  165.098284][ T1348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.098786][ T1348] CR2: 00000000004a1738 CR3: 000000000bc02001 CR4: 0000000000772ef0
[  165.099372][ T1348] PKRU: 55555554
[  165.099652][ T1348] Call Trace:
[  165.099952][ T1348]  <TASK>
[ 165.100129][ T1348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.100512][ T1348] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.100867][ T1348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.101316][ T1348] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.101656][ T1348] netif_set_mtu (net/core/dev.c:9652) 
[ 165.101981][ T1348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.102356][ T1348] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.102866][ T1348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.103164][ T1348] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.103696][ T1348] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.104116][ T1348] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 165.104483][ T1348] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.104870][ T1348] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.105243][ T1348] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.105630][ T1348] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.106003][ T1348] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.106379][ T1348] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.106757][ T1348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.107114][ T1348] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.107470][ T1348] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.107963][ T1348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.108393][ T1348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.108824][ T1348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.109200][ T1348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.109581][ T1348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.109976][ T1348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.110333][ T1348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.110708][ T1348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.111094][ T1348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.111417][ T1348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.111766][ T1348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.112115][ T1348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.112467][ T1348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 165.112901][ T1348] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 165.113302][ T1348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.113675][ T1348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.114046][ T1348] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.114415][ T1348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.114793][ T1348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.115200][ T1348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.115610][ T1348] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.115992][ T1348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.116447][ T1348] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.116821][ T1348] ___sys_sendmsg (net/socket.c:2670) 
[ 165.117166][ T1348] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.117539][ T1348] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.118054][ T1348] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.118473][ T1348] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.118896][ T1348] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.119274][ T1348] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.119664][ T1348] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.120027][ T1348] __sys_sendmsg (net/socket.c:2700) 
[ 165.120404][ T1348] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.120748][ T1348] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 165.121117][ T1348] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 165.121447][ T1348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.121806][ T1348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.122157][ T1348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.122626][ T1348] RIP: 0033:0x7f89c416e1e7
[ 165.123007][ T1348] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  165.124356][ T1348] RSP: 002b:00007ffc136c5f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.124930][ T1348] RAX: ffffffffffffffda RBX: 00007ffc136c6650 RCX: 00007f89c416e1e7
[  165.125487][ T1348] RDX: 0000000000000000 RSI: 00007ffc136c5f90 RDI: 0000000000000005
[  165.126043][ T1348] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.126596][ T1348] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc136c6688
[  165.127107][ T1348] R13: 00000000686e5e6a R14: 0000000000499600 R15: 0000000000000000
| [  165.314954][ T1351] ------------[ cut here ]------------
| [ 165.315273][ T1351] WARNING: CPU: 3 PID: 1351 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  165.315991][ T1351] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.317158][ T1351] Tainted: [W]=WARN
[  165.317405][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.317807][ T1351] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 165.318139][ T1351] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  165.319332][ T1351] RSP: 0018:ffffc90000f37080 EFLAGS: 00010246
[  165.319741][ T1351] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  165.320213][ T1351] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  165.320696][ T1351] RBP: ffffc90000f37168 R08: 0000000000000000 R09: 0000000000000000
[  165.321174][ T1351] R10: ffffc90000f37198 R11: ffffffff9a8a8918 R12: 1ffff920001e6e14
[  165.321651][ T1351] R13: 00000000000005dc R14: ffffc90000f37198 R15: ffff88800fa6af08
[  165.322130][ T1351] FS:  00007f71f291b800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  165.322697][ T1351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.323103][ T1351] CR2: 00007efe47fbca00 CR3: 000000000c062003 CR4: 0000000000772ef0
[  165.323614][ T1351] PKRU: 55555554
[  165.323854][ T1351] Call Trace:
[  165.324089][ T1351]  <TASK>
[ 165.324252][ T1351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.324585][ T1351] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.324902][ T1351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.325295][ T1351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.325623][ T1351] netif_set_mtu (net/core/dev.c:9652) 
[ 165.325941][ T1351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.326267][ T1351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.326711][ T1351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.326951][ T1351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.327375][ T1351] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.327743][ T1351] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 165.328056][ T1351] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.328382][ T1351] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.328733][ T1351] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.329046][ T1351] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.329366][ T1351] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.329691][ T1351] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.330017][ T1351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.330326][ T1351] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.330659][ T1351] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.330983][ T1351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.331305][ T1351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.331638][ T1351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.331949][ T1351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.332268][ T1351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.332586][ T1351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.332903][ T1351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.333226][ T1351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.333545][ T1351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.333869][ T1351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.334187][ T1351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.334511][ T1351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.334830][ T1351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 165.335151][ T1351] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 165.335467][ T1351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.335786][ T1351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.336105][ T1351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.336423][ T1351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.336746][ T1351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.337068][ T1351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.337384][ T1351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.337710][ T1351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.338107][ T1351] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.338426][ T1351] ___sys_sendmsg (net/socket.c:2670) 
[ 165.338784][ T1351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.339102][ T1351] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.339419][ T1351] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.339761][ T1351] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.340095][ T1351] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.340412][ T1351] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.340772][ T1351] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.341121][ T1351] __sys_sendmsg (net/socket.c:2700) 
[ 165.341445][ T1351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.341779][ T1351] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 165.342120][ T1351] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 165.342438][ T1351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.342762][ T1351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.343081][ T1351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.343470][ T1351] RIP: 0033:0x7f71f2ae81e7
[ 165.343806][ T1351] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  165.344983][ T1351] RSP: 002b:00007ffe4fb715f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.345484][ T1351] RAX: ffffffffffffffda RBX: 00007ffe4fb71d20 RCX: 00007f71f2ae81e7
[  165.345971][ T1351] RDX: 0000000000000000 RSI: 00007ffe4fb71660 RDI: 0000000000000005
[  165.346457][ T1351] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.346935][ T1351] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe4fb71d58
[  165.347411][ T1351] R13: 00000000686e5e6b R14: 0000000000499600 R15: 0000000000000000
| [  165.747476][ T1356] ------------[ cut here ]------------
| [ 165.748061][ T1356] WARNING: CPU: 0 PID: 1356 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  165.748738][ T1356] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.749879][ T1356] Tainted: [W]=WARN
[  165.750118][ T1356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.750515][ T1356] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 165.750851][ T1356] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  165.751978][ T1356] RSP: 0018:ffffc90000f57080 EFLAGS: 00010246
[  165.752377][ T1356] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  165.752884][ T1356] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  165.753374][ T1356] RBP: ffffc90000f57168 R08: 0000000000000000 R09: 0000000000000000
[  165.753880][ T1356] R10: ffffc90000f57198 R11: ffffffff9a8a8918 R12: 1ffff920001eae14
[  165.754373][ T1356] R13: 00000000000005dc R14: ffffc90000f57198 R15: ffff888004dd2f08
[  165.754874][ T1356] FS:  00007f78bf796800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  165.755454][ T1356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.755881][ T1356] CR2: 00000000004a1738 CR3: 000000000f4b2004 CR4: 0000000000772ef0
[  165.756379][ T1356] PKRU: 55555554
[  165.756634][ T1356] Call Trace:
[  165.756885][ T1356]  <TASK>
[ 165.757087][ T1356] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.757501][ T1356] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.757933][ T1356] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.758431][ T1356] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.758840][ T1356] netif_set_mtu (net/core/dev.c:9652) 
[ 165.759247][ T1356] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.759692][ T1356] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.760260][ T1356] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.760593][ T1356] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.761132][ T1356] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.761586][ T1356] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 165.762000][ T1356] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.762394][ T1356] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.762811][ T1356] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.763190][ T1356] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.763611][ T1356] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.763990][ T1356] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.764420][ T1356] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.764791][ T1356] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.765164][ T1356] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.765562][ T1356] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.765957][ T1356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.766341][ T1356] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.766726][ T1356] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.767104][ T1356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.767486][ T1356] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.767891][ T1356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.768276][ T1356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.768678][ T1356] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.769032][ T1356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.769377][ T1356] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.769722][ T1356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.770060][ T1356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 165.770414][ T1356] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 165.770789][ T1356] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.771173][ T1356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.771548][ T1356] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.771915][ T1356] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.772259][ T1356] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.772600][ T1356] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.773007][ T1356] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.773408][ T1356] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.773829][ T1356] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.774162][ T1356] ___sys_sendmsg (net/socket.c:2670) 
[ 165.774480][ T1356] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.774804][ T1356] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.775169][ T1356] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.775546][ T1356] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.775936][ T1356] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.776316][ T1356] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.776706][ T1356] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.777136][ T1356] __sys_sendmsg (net/socket.c:2700) 
[ 165.777848][ T1356] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.778240][ T1356] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 165.778659][ T1356] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 165.779085][ T1356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.779499][ T1356] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.779894][ T1356] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.780371][ T1356] RIP: 0033:0x7f78bf9631e7
[ 165.780785][ T1356] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  165.782425][ T1356] RSP: 002b:00007ffcec6bd848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.783009][ T1356] RAX: ffffffffffffffda RBX: 00007ffcec6bdf70 RCX: 00007f78bf9631e7
[  165.783609][ T1356] RDX: 0000000000000000 RSI: 00007ffcec6bd8b0 RDI: 0000000000000005
[  165.784099][ T1356] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.784595][ T1356] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcec6bdfa8
[  165.785103][ T1356] R13: 00000000686e5e6b R14: 0000000000499600 R15: 0000000000000000
| [  165.954797][ T1358] ------------[ cut here ]------------
| [ 165.955127][ T1358] WARNING: CPU: 3 PID: 1358 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  165.955836][ T1358] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.957031][ T1358] Tainted: [W]=WARN
[  165.957293][ T1358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.957727][ T1358] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 165.958088][ T1358] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  165.959293][ T1358] RSP: 0018:ffffc90000f67080 EFLAGS: 00010246
[  165.959749][ T1358] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  165.960235][ T1358] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  165.960737][ T1358] RBP: ffffc90000f67168 R08: 0000000000000000 R09: 0000000000000000
[  165.961216][ T1358] R10: ffffc90000f67198 R11: ffffffff9a8a8918 R12: 1ffff920001ece14
[  165.961695][ T1358] R13: 00000000000005dc R14: ffffc90000f67198 R15: ffff888004dd2f08
[  165.962182][ T1358] FS:  00007fcc92ef9800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  165.962758][ T1358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.963166][ T1358] CR2: 00000000004a1738 CR3: 000000000de89004 CR4: 0000000000772ef0
[  165.963691][ T1358] PKRU: 55555554
[  165.963935][ T1358] Call Trace:
[  165.964180][ T1358]  <TASK>
[ 165.964344][ T1358] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.964691][ T1358] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.965025][ T1358] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.965438][ T1358] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.965790][ T1358] netif_set_mtu (net/core/dev.c:9652) 
[ 165.966108][ T1358] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.966435][ T1358] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.966886][ T1358] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.967132][ T1358] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.967596][ T1358] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.967972][ T1358] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 165.968303][ T1358] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.968651][ T1358] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.968983][ T1358] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.969303][ T1358] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.969662][ T1358] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.969996][ T1358] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.970321][ T1358] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.970672][ T1358] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.971008][ T1358] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.971335][ T1358] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.971700][ T1358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.972043][ T1358] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.972359][ T1358] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.972690][ T1358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.973026][ T1358] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.973358][ T1358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.973691][ T1358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.974026][ T1358] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.974348][ T1358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.974680][ T1358] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.975022][ T1358] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.975345][ T1358] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 165.975721][ T1358] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 165.976061][ T1358] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.976392][ T1358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.976737][ T1358] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.977074][ T1358] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.977418][ T1358] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.977759][ T1358] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.978102][ T1358] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.978437][ T1358] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.978860][ T1358] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.979192][ T1358] ___sys_sendmsg (net/socket.c:2670) 
[ 165.979528][ T1358] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.979896][ T1358] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.980233][ T1358] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.980564][ T1358] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.980904][ T1358] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.981230][ T1358] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.981543][ T1358] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.981894][ T1358] __sys_sendmsg (net/socket.c:2700) 
[ 165.982306][ T1358] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.982816][ T1358] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 165.983333][ T1358] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 165.983872][ T1358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.984436][ T1358] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.985018][ T1358] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.985725][ T1358] RIP: 0033:0x7fcc930c61e7
[ 165.986318][ T1358] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  165.988303][ T1358] RSP: 002b:00007ffc3a901f88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.989184][ T1358] RAX: ffffffffffffffda RBX: 00007ffc3a9026b0 RCX: 00007fcc930c61e7
[  165.990041][ T1358] RDX: 0000000000000000 RSI: 00007ffc3a901ff0 RDI: 0000000000000005
[  165.990983][ T1358] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.991674][ T1358] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc3a9026e8
[  165.992150][ T1358] R13: 00000000686e5e6b R14: 0000000000499600 R15: 0000000000000000
| [  166.164525][ T1359] ------------[ cut here ]------------
| [ 166.165991][ T1359] WARNING: CPU: 1 PID: 1359 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  166.166635][ T1359] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.167796][ T1359] Tainted: [W]=WARN
[  166.168087][ T1359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.168497][ T1359] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 166.168855][ T1359] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  166.169986][ T1359] RSP: 0018:ffffc90000f87080 EFLAGS: 00010246
[  166.170395][ T1359] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  166.170884][ T1359] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  166.171382][ T1359] RBP: ffffc90000f87168 R08: 0000000000000000 R09: 0000000000000000
[  166.171861][ T1359] R10: ffffc90000f87198 R11: ffffffff9a8a8918 R12: 1ffff920001f0e14
[  166.172329][ T1359] R13: 00000000000005dc R14: ffffc90000f87198 R15: ffff888004dd2f08
[  166.172827][ T1359] FS:  00007fa9e3387800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  166.173384][ T1359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.173783][ T1359] CR2: 00007fa9e36e6480 CR3: 000000000bfbb001 CR4: 0000000000772ef0
[  166.174255][ T1359] PKRU: 55555554
[  166.174487][ T1359] Call Trace:
[  166.174731][ T1359]  <TASK>
[ 166.174895][ T1359] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.175223][ T1359] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.175537][ T1359] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.175937][ T1359] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.176256][ T1359] netif_set_mtu (net/core/dev.c:9652) 
[ 166.176576][ T1359] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.176900][ T1359] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.177342][ T1359] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.177604][ T1359] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.178030][ T1359] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.178381][ T1359] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 166.178717][ T1359] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.179035][ T1359] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.179348][ T1359] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.179671][ T1359] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.179988][ T1359] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.180304][ T1359] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.180639][ T1359] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.180949][ T1359] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.181274][ T1359] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.181606][ T1359] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.181928][ T1359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.182260][ T1359] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.182579][ T1359] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.182895][ T1359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.183246][ T1359] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.183575][ T1359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.183891][ T1359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.184208][ T1359] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.184521][ T1359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.184848][ T1359] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.185173][ T1359] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.185484][ T1359] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 166.185827][ T1359] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 166.186148][ T1359] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.186458][ T1359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.186785][ T1359] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.187108][ T1359] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.187421][ T1359] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.187748][ T1359] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.188063][ T1359] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.188373][ T1359] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.188798][ T1359] ___sys_sendmsg (net/socket.c:2670) 
[ 166.189116][ T1359] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.189437][ T1359] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 166.189758][ T1359] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 166.190079][ T1359] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 166.190394][ T1359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.190749][ T1359] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 166.191096][ T1359] __sys_sendmsg (net/socket.c:2700) 
[ 166.191405][ T1359] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.191746][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.192062][ T1359] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.192376][ T1359] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.192770][ T1359] RIP: 0033:0x7fa9e35541e7
[ 166.193092][ T1359] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  166.194212][ T1359] RSP: 002b:00007ffcfba609a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.194692][ T1359] RAX: ffffffffffffffda RBX: 00007ffcfba610d0 RCX: 00007fa9e35541e7
[  166.195158][ T1359] RDX: 0000000000000000 RSI: 00007ffcfba60a10 RDI: 0000000000000005
[  166.195631][ T1359] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.196106][ T1359] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcfba61108
[  166.196581][ T1359] R13: 00000000686e5e6b R14: 0000000000499600 R15: 0000000000000000
| [  166.383142][ T1361] ------------[ cut here ]------------
| [ 166.383475][ T1361] WARNING: CPU: 3 PID: 1361 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  166.384169][ T1361] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.385368][ T1361] Tainted: [W]=WARN
[  166.385627][ T1361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.386043][ T1361] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 166.386384][ T1361] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  166.387572][ T1361] RSP: 0018:ffffc90000f27080 EFLAGS: 00010246
[  166.387983][ T1361] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  166.388456][ T1361] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  166.388957][ T1361] RBP: ffffc90000f27168 R08: 0000000000000000 R09: 0000000000000000
[  166.389428][ T1361] R10: ffffc90000f27198 R11: ffffffff9a8a8918 R12: 1ffff920001e4e14
[  166.389904][ T1361] R13: 00000000000005dc R14: ffffc90000f27198 R15: ffff888004dd2f08
[  166.390373][ T1361] FS:  00007f47757cf800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  166.390940][ T1361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.391338][ T1361] CR2: 00000000004a1738 CR3: 000000000f7fb005 CR4: 0000000000772ef0
[  166.391830][ T1361] PKRU: 55555554
[  166.392088][ T1361] Call Trace:
[  166.392329][ T1361]  <TASK>
[ 166.392494][ T1361] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.392832][ T1361] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.393153][ T1361] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.393552][ T1361] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.393887][ T1361] netif_set_mtu (net/core/dev.c:9652) 
[ 166.394214][ T1361] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.394545][ T1361] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.394998][ T1361] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.395238][ T1361] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.395673][ T1361] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.396030][ T1361] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 166.396343][ T1361] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.396671][ T1361] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.396995][ T1361] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.397313][ T1361] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.397637][ T1361] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.397960][ T1361] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.398287][ T1361] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.398620][ T1361] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.398941][ T1361] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.399269][ T1361] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.399599][ T1361] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.399931][ T1361] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.400245][ T1361] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.400563][ T1361] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.400888][ T1361] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.401204][ T1361] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.401524][ T1361] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.401852][ T1361] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.402180][ T1361] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.402500][ T1361] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.402838][ T1361] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.403154][ T1361] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 166.403472][ T1361] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 166.403800][ T1361] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.404115][ T1361] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.404446][ T1361] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.404775][ T1361] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.405092][ T1361] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.405416][ T1361] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.405754][ T1361] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.406071][ T1361] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.406466][ T1361] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 166.406802][ T1361] ___sys_sendmsg (net/socket.c:2670) 
[ 166.407123][ T1361] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.407437][ T1361] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 166.407760][ T1361] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.408075][ T1361] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 166.408395][ T1361] ? __handle_mm_fault (mm/memory.c:6212) 
[ 166.408733][ T1361] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 166.409052][ T1361] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 166.409383][ T1361] __sys_sendmsg (net/socket.c:2700) 
[ 166.409704][ T1361] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.410019][ T1361] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 166.410343][ T1361] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 166.410669][ T1361] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.410989][ T1361] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.411312][ T1361] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.411709][ T1361] RIP: 0033:0x7f477599c1e7
[ 166.412038][ T1361] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  166.413169][ T1361] RSP: 002b:00007ffd31504858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.413664][ T1361] RAX: ffffffffffffffda RBX: 00007ffd31504f80 RCX: 00007f477599c1e7
[  166.414136][ T1361] RDX: 0000000000000000 RSI: 00007ffd315048c0 RDI: 0000000000000005
[  166.414615][ T1361] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.415087][ T1361] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd31504fb8
[  166.415561][ T1361] R13: 00000000686e5e6c R14: 0000000000499600 R15: 0000000000000000
| [  166.574578][ T1364] ------------[ cut here ]------------
| [ 166.574899][ T1364] WARNING: CPU: 3 PID: 1364 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  166.575538][ T1364] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.576728][ T1364] Tainted: [W]=WARN
[  166.576977][ T1364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.577393][ T1364] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 166.577737][ T1364] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  166.578905][ T1364] RSP: 0018:ffffc90000ec7080 EFLAGS: 00010246
[  166.579313][ T1364] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  166.579810][ T1364] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  166.580315][ T1364] RBP: ffffc90000ec7168 R08: 0000000000000000 R09: 0000000000000000
[  166.580802][ T1364] R10: ffffc90000ec7198 R11: ffffffff9a8a8918 R12: 1ffff920001d8e14
[  166.581368][ T1364] R13: 00000000000005dc R14: ffffc90000ec7198 R15: ffff888004dd2f08
[  166.581868][ T1364] FS:  00007fd883814800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  166.582428][ T1364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.582846][ T1364] CR2: 00000000004a1738 CR3: 0000000003135002 CR4: 0000000000772ef0
[  166.583322][ T1364] PKRU: 55555554
[  166.583577][ T1364] Call Trace:
[  166.583813][ T1364]  <TASK>
[ 166.583977][ T1364] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.584299][ T1364] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.584640][ T1364] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.585050][ T1364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.585385][ T1364] netif_set_mtu (net/core/dev.c:9652) 
[ 166.585727][ T1364] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.586068][ T1364] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.586511][ T1364] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.586770][ T1364] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.587197][ T1364] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.587562][ T1364] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 166.587895][ T1364] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.588220][ T1364] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.588582][ T1364] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.588905][ T1364] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.589230][ T1364] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.589566][ T1364] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.589952][ T1364] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.590268][ T1364] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.590603][ T1364] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.590935][ T1364] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.591294][ T1364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.591629][ T1364] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.591970][ T1364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.592296][ T1364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.592626][ T1364] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.592956][ T1364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.593280][ T1364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.593614][ T1364] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.593931][ T1364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.594256][ T1364] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.594592][ T1364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.594917][ T1364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 166.595242][ T1364] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 166.595578][ T1364] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.595930][ T1364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.596279][ T1364] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.596618][ T1364] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.596953][ T1364] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.597279][ T1364] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.597608][ T1364] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.597950][ T1364] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.598351][ T1364] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 166.598700][ T1364] ___sys_sendmsg (net/socket.c:2670) 
[ 166.599032][ T1364] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.599352][ T1364] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 166.599691][ T1364] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.600013][ T1364] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 166.600354][ T1364] ? __handle_mm_fault (mm/memory.c:6212) 
[ 166.600679][ T1364] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 166.601012][ T1364] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 166.601343][ T1364] __sys_sendmsg (net/socket.c:2700) 
[ 166.601691][ T1364] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.602040][ T1364] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 166.602370][ T1364] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 166.602725][ T1364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.603045][ T1364] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.603386][ T1364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.603814][ T1364] RIP: 0033:0x7fd8839e11e7
[ 166.604144][ T1364] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  166.605349][ T1364] RSP: 002b:00007ffc19f82468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.605831][ T1364] RAX: ffffffffffffffda RBX: 00007ffc19f82b90 RCX: 00007fd8839e11e7
[  166.606330][ T1364] RDX: 0000000000000000 RSI: 00007ffc19f824d0 RDI: 0000000000000005
[  166.606814][ T1364] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.607317][ T1364] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc19f82bc8
[  166.607811][ T1364] R13: 00000000686e5e6c R14: 0000000000499600 R15: 0000000000000000
| [  166.784677][ T1365] ------------[ cut here ]------------
| [ 166.784993][ T1365] WARNING: CPU: 3 PID: 1365 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  166.785641][ T1365] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.786773][ T1365] Tainted: [W]=WARN
[  166.787009][ T1365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.787401][ T1365] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 166.787739][ T1365] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  166.788890][ T1365] RSP: 0018:ffffc90000f47080 EFLAGS: 00010246
[  166.789313][ T1365] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  166.790406][ T1365] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  166.790905][ T1365] RBP: ffffc90000f47168 R08: 0000000000000000 R09: 0000000000000000
[  166.791376][ T1365] R10: ffffc90000f47198 R11: ffffffff9a8a8918 R12: 1ffff920001e8e14
[  166.791851][ T1365] R13: 00000000000005dc R14: ffffc90000f47198 R15: ffff888004dd2f08
[  166.792334][ T1365] FS:  00007f1843af4800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  166.792911][ T1365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.793312][ T1365] CR2: 00000000004a1738 CR3: 000000000f62d002 CR4: 0000000000772ef0
[  166.793800][ T1365] PKRU: 55555554
[  166.794050][ T1365] Call Trace:
[  166.794294][ T1365]  <TASK>
[ 166.794458][ T1365] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.794807][ T1365] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.795140][ T1365] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.795539][ T1365] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.795876][ T1365] netif_set_mtu (net/core/dev.c:9652) 
[ 166.796198][ T1365] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.796533][ T1365] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.796978][ T1365] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.797217][ T1365] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.797657][ T1365] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.798041][ T1365] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 166.798365][ T1365] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.798712][ T1365] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.799051][ T1365] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.799377][ T1365] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.799714][ T1365] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.800049][ T1365] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.800374][ T1365] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.800698][ T1365] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.801025][ T1365] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.801372][ T1365] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.801711][ T1365] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.802054][ T1365] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.802377][ T1365] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.802705][ T1365] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.803028][ T1365] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.803345][ T1365] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.803676][ T1365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.803998][ T1365] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.804331][ T1365] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.804667][ T1365] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.805010][ T1365] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.805333][ T1365] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 166.805671][ T1365] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 166.806006][ T1365] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.806332][ T1365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.806668][ T1365] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.806993][ T1365] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.807319][ T1365] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.807665][ T1365] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.807987][ T1365] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.808309][ T1365] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.808749][ T1365] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 166.809076][ T1365] ___sys_sendmsg (net/socket.c:2670) 
[ 166.809401][ T1365] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.809727][ T1365] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 166.810045][ T1365] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.810360][ T1365] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 166.810709][ T1365] ? __handle_mm_fault (mm/memory.c:6212) 
[ 166.811036][ T1365] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 166.811357][ T1365] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 166.811733][ T1365] __sys_sendmsg (net/socket.c:2700) 
[ 166.812059][ T1365] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.812385][ T1365] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 166.812728][ T1365] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 166.813050][ T1365] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.813367][ T1365] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.813697][ T1365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.814100][ T1365] RIP: 0033:0x7f1843cc11e7
[ 166.814430][ T1365] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  166.815595][ T1365] RSP: 002b:00007fff30b8e368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.816076][ T1365] RAX: ffffffffffffffda RBX: 00007fff30b8ea90 RCX: 00007f1843cc11e7
[  166.816592][ T1365] RDX: 0000000000000000 RSI: 00007fff30b8e3d0 RDI: 0000000000000005
[  166.817081][ T1365] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.817586][ T1365] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff30b8eac8
[  166.818093][ T1365] R13: 00000000686e5e6c R14: 0000000000499600 R15: 0000000000000000
| [  167.009759][ T1367] ------------[ cut here ]------------
| [ 167.010083][ T1367] WARNING: CPU: 3 PID: 1367 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  167.010746][ T1367] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.011905][ T1367] Tainted: [W]=WARN
[  167.012148][ T1367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.012574][ T1367] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 167.012922][ T1367] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  167.014130][ T1367] RSP: 0018:ffffc90000f77080 EFLAGS: 00010246
[  167.014550][ T1367] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  167.015071][ T1367] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  167.015590][ T1367] RBP: ffffc90000f77168 R08: 0000000000000000 R09: 0000000000000000
[  167.016120][ T1367] R10: ffffc90000f77198 R11: ffffffff9a8a8918 R12: 1ffff920001eee14
[  167.016637][ T1367] R13: 00000000000005dc R14: ffffc90000f77198 R15: ffff888004dd2f08
[  167.017115][ T1367] FS:  00007fdf49eef800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  167.017783][ T1367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.018293][ T1367] CR2: 00000000004a1738 CR3: 000000000f648004 CR4: 0000000000772ef0
[  167.018807][ T1367] PKRU: 55555554
[  167.019050][ T1367] Call Trace:
[  167.019289][ T1367]  <TASK>
[ 167.019453][ T1367] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.019798][ T1367] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.020117][ T1367] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.020540][ T1367] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.020890][ T1367] netif_set_mtu (net/core/dev.c:9652) 
[ 167.021230][ T1367] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.021592][ T1367] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.022054][ T1367] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.022307][ T1367] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.022775][ T1367] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.023154][ T1367] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 167.023488][ T1367] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.023846][ T1367] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.024183][ T1367] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.024511][ T1367] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.024849][ T1367] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.025191][ T1367] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.025530][ T1367] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.025865][ T1367] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.026206][ T1367] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.026551][ T1367] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.026889][ T1367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.027342][ T1367] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.027851][ T1367] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.028198][ T1367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.028547][ T1367] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.028951][ T1367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.029419][ T1367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.029979][ T1367] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.030522][ T1367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.031097][ T1367] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.031698][ T1367] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.032247][ T1367] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 167.032801][ T1367] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 167.033351][ T1367] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.033910][ T1367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.034461][ T1367] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.034949][ T1367] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.035274][ T1367] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.035614][ T1367] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.035933][ T1367] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.036247][ T1367] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.036657][ T1367] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.036977][ T1367] ___sys_sendmsg (net/socket.c:2670) 
[ 167.037294][ T1367] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.037628][ T1367] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.037946][ T1367] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.038395][ T1367] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.038789][ T1367] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.039125][ T1367] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.039438][ T1367] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.039789][ T1367] __sys_sendmsg (net/socket.c:2700) 
[ 167.040131][ T1367] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.040442][ T1367] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 167.040784][ T1367] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 167.041111][ T1367] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.041437][ T1367] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.041767][ T1367] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.042174][ T1367] RIP: 0033:0x7fdf4a0bc1e7
[ 167.042524][ T1367] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  167.043730][ T1367] RSP: 002b:00007ffed47f6118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.044226][ T1367] RAX: ffffffffffffffda RBX: 00007ffed47f6840 RCX: 00007fdf4a0bc1e7
[  167.044756][ T1367] RDX: 0000000000000000 RSI: 00007ffed47f6180 RDI: 0000000000000005
[  167.045253][ T1367] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.045757][ T1367] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffed47f6878
[  167.046254][ T1367] R13: 00000000686e5e6c R14: 0000000000499600 R15: 0000000000000000
| [  167.215278][ T1369] ------------[ cut here ]------------
| [ 167.215635][ T1369] WARNING: CPU: 0 PID: 1369 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  167.216278][ T1369] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.217436][ T1369] Tainted: [W]=WARN
[  167.217683][ T1369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.218156][ T1369] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 167.218497][ T1369] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  167.219747][ T1369] RSP: 0018:ffffc90000f87080 EFLAGS: 00010246
[  167.220160][ T1369] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  167.220659][ T1369] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  167.221229][ T1369] RBP: ffffc90000f87168 R08: 0000000000000000 R09: 0000000000000000
[  167.221782][ T1369] R10: ffffc90000f87198 R11: ffffffff9a8a8918 R12: 1ffff920001f0e14
[  167.222332][ T1369] R13: 00000000000005dc R14: ffffc90000f87198 R15: ffff888004dd2f08
[  167.222882][ T1369] FS:  00007f5e804b4800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  167.223556][ T1369] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.224003][ T1369] CR2: 00000000004a1738 CR3: 000000000f249001 CR4: 0000000000772ef0
[  167.224559][ T1369] PKRU: 55555554
[  167.224839][ T1369] Call Trace:
[  167.225179][ T1369]  <TASK>
[ 167.225352][ T1369] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.225706][ T1369] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.226265][ T1369] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.226898][ T1369] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.227222][ T1369] netif_set_mtu (net/core/dev.c:9652) 
[ 167.227602][ T1369] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.227997][ T1369] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.228498][ T1369] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.228824][ T1369] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.229365][ T1369] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.229833][ T1369] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 167.230269][ T1369] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.230782][ T1369] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.231329][ T1369] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.231668][ T1369] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.232015][ T1369] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.232364][ T1369] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.232706][ T1369] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.233033][ T1369] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.233356][ T1369] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.233691][ T1369] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.234030][ T1369] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.234357][ T1369] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.234682][ T1369] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.235022][ T1369] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.235336][ T1369] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.235665][ T1369] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.236122][ T1369] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.236443][ T1369] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.236782][ T1369] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.237101][ T1369] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.237434][ T1369] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.237781][ T1369] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 167.238098][ T1369] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 167.238414][ T1369] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.238761][ T1369] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.239085][ T1369] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.239403][ T1369] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.239733][ T1369] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.240152][ T1369] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.240585][ T1369] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.240975][ T1369] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.241518][ T1369] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.242077][ T1369] ___sys_sendmsg (net/socket.c:2670) 
[ 167.242633][ T1369] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.243203][ T1369] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.243786][ T1369] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.244365][ T1369] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.244967][ T1369] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.245544][ T1369] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.246132][ T1369] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.246641][ T1369] __sys_sendmsg (net/socket.c:2700) 
[ 167.247092][ T1369] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.247484][ T1369] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 167.247911][ T1369] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 167.248249][ T1369] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.248606][ T1369] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.248953][ T1369] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.249376][ T1369] RIP: 0033:0x7f5e806811e7
[ 167.249822][ T1369] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  167.251061][ T1369] RSP: 002b:00007ffca03fb2b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.251561][ T1369] RAX: ffffffffffffffda RBX: 00007ffca03fb9e0 RCX: 00007f5e806811e7
[  167.252200][ T1369] RDX: 0000000000000000 RSI: 00007ffca03fb320 RDI: 0000000000000005
[  167.252734][ T1369] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.253322][ T1369] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca03fba18
[  167.253922][ T1369] R13: 00000000686e5e6c R14: 0000000000499600 R15: 0000000000000000
| [  167.409422][ T1371] ------------[ cut here ]------------
| [ 167.409787][ T1371] WARNING: CPU: 3 PID: 1371 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  167.410441][ T1371] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.411635][ T1371] Tainted: [W]=WARN
[  167.411874][ T1371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.412290][ T1371] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 167.412634][ T1371] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  167.413780][ T1371] RSP: 0018:ffffc90000f77080 EFLAGS: 00010246
[  167.414189][ T1371] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  167.414685][ T1371] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  167.415159][ T1371] RBP: ffffc90000f77168 R08: 0000000000000000 R09: 0000000000000000
[  167.415634][ T1371] R10: ffffc90000f77198 R11: ffffffff9a8a8918 R12: 1ffff920001eee14
[  167.416115][ T1371] R13: 00000000000005dc R14: ffffc90000f77198 R15: ffff888004dd2f08
[  167.416595][ T1371] FS:  00007f9ef1303800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  167.417165][ T1371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.417593][ T1371] CR2: 00000000004a1738 CR3: 000000000dfe3003 CR4: 0000000000772ef0
[  167.418079][ T1371] PKRU: 55555554
[  167.418330][ T1371] Call Trace:
[  167.418603][ T1371]  <TASK>
[ 167.418773][ T1371] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.419099][ T1371] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.419417][ T1371] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.419836][ T1371] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.420172][ T1371] netif_set_mtu (net/core/dev.c:9652) 
[ 167.420510][ T1371] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.420851][ T1371] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.421301][ T1371] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.421546][ T1371] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.421979][ T1371] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.422331][ T1371] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 167.422663][ T1371] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.422984][ T1371] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.423305][ T1371] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.423626][ T1371] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.423947][ T1371] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.424261][ T1371] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.424591][ T1371] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.424908][ T1371] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.425228][ T1371] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.425556][ T1371] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.425888][ T1371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.426219][ T1371] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.426531][ T1371] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.426865][ T1371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.427187][ T1371] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.427510][ T1371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.427834][ T1371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.428161][ T1371] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.428490][ T1371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.428821][ T1371] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.429154][ T1371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.429471][ T1371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 167.429798][ T1371] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 167.430122][ T1371] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.430440][ T1371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.430767][ T1371] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.431087][ T1371] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.431406][ T1371] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.431738][ T1371] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.432062][ T1371] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.432377][ T1371] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.432831][ T1371] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.433152][ T1371] ___sys_sendmsg (net/socket.c:2670) 
[ 167.433472][ T1371] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.433793][ T1371] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.434109][ T1371] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.434418][ T1371] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.434748][ T1371] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.435067][ T1371] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.435383][ T1371] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.435742][ T1371] __sys_sendmsg (net/socket.c:2700) 
[ 167.436058][ T1371] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.436389][ T1371] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 167.436716][ T1371] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 167.437034][ T1371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.437369][ T1371] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.437695][ T1371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.438095][ T1371] RIP: 0033:0x7f9ef14d01e7
[ 167.438441][ T1371] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  167.439593][ T1371] RSP: 002b:00007ffc0638c588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.440070][ T1371] RAX: ffffffffffffffda RBX: 00007ffc0638ccb0 RCX: 00007f9ef14d01e7
[  167.440578][ T1371] RDX: 0000000000000000 RSI: 00007ffc0638c5f0 RDI: 0000000000000005
[  167.441053][ T1371] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.441538][ T1371] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc0638cce8
[  167.442037][ T1371] R13: 00000000686e5e6d R14: 0000000000499600 R15: 0000000000000000
| [  167.596351][ T1374] ------------[ cut here ]------------
| [ 167.596788][ T1374] WARNING: CPU: 0 PID: 1374 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  167.597512][ T1374] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.599007][ T1374] Tainted: [W]=WARN
[  167.599260][ T1374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.599866][ T1374] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 167.600273][ T1374] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  167.601835][ T1374] RSP: 0018:ffffc90000f87080 EFLAGS: 00010246
[  167.602347][ T1374] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  167.602967][ T1374] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  167.603561][ T1374] RBP: ffffc90000f87168 R08: 0000000000000000 R09: 0000000000000000
[  167.604073][ T1374] R10: ffffc90000f87198 R11: ffffffff9a8a8918 R12: 1ffff920001f0e14
[  167.604657][ T1374] R13: 00000000000005dc R14: ffffc90000f87198 R15: ffff888004dd2f08
[  167.605144][ T1374] FS:  00007fed89e7d800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  167.605808][ T1374] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.606299][ T1374] CR2: 00000000004a1738 CR3: 000000000c2e1002 CR4: 0000000000772ef0
[  167.606797][ T1374] PKRU: 55555554
[  167.607040][ T1374] Call Trace:
[  167.607361][ T1374]  <TASK>
[ 167.607531][ T1374] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.607886][ T1374] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.608257][ T1374] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.608724][ T1374] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.609060][ T1374] netif_set_mtu (net/core/dev.c:9652) 
[ 167.609381][ T1374] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.609828][ T1374] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.610269][ T1374] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.610513][ T1374] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.611121][ T1374] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.611686][ T1374] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 167.612023][ T1374] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.612341][ T1374] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.612672][ T1374] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.613003][ T1374] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.613320][ T1374] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.613658][ T1374] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.614011][ T1374] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.614339][ T1374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.614695][ T1374] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.615045][ T1374] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.615380][ T1374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.615732][ T1374] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.616076][ T1374] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.616410][ T1374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.616765][ T1374] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.617103][ T1374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.617447][ T1374] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.617806][ T1374] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.618137][ T1374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.618467][ T1374] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.618842][ T1374] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.619174][ T1374] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 167.619511][ T1374] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 167.619872][ T1374] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.620200][ T1374] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.620537][ T1374] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.620984][ T1374] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.621584][ T1374] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.623010][ T1374] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.623442][ T1374] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.623887][ T1374] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.624310][ T1374] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.624733][ T1374] ___sys_sendmsg (net/socket.c:2670) 
[ 167.625086][ T1374] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.625482][ T1374] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.625862][ T1374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.626286][ T1374] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.626691][ T1374] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.627363][ T1374] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.627808][ T1374] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.628314][ T1374] __sys_sendmsg (net/socket.c:2700) 
[ 167.628805][ T1374] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.629379][ T1374] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 167.629806][ T1374] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 167.630194][ T1374] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.630583][ T1374] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.631449][ T1374] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.631866][ T1374] RIP: 0033:0x7fed8a04a1e7
[ 167.632199][ T1374] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  167.634304][ T1374] RSP: 002b:00007ffcfaecaed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.634851][ T1374] RAX: ffffffffffffffda RBX: 00007ffcfaecb600 RCX: 00007fed8a04a1e7
[  167.635328][ T1374] RDX: 0000000000000000 RSI: 00007ffcfaecaf40 RDI: 0000000000000005
[  167.635893][ T1374] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.636395][ T1374] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcfaecb638
[  167.636996][ T1374] R13: 00000000686e5e6d R14: 0000000000499600 R15: 0000000000000000
| [  167.826883][ T1376] ------------[ cut here ]------------
| [ 167.827464][ T1376] WARNING: CPU: 2 PID: 1376 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  167.828427][ T1376] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.829978][ T1376] Tainted: [W]=WARN
[  167.830253][ T1376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.830700][ T1376] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 167.831077][ T1376] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  167.832298][ T1376] RSP: 0018:ffffc90000fa7080 EFLAGS: 00010246
[  167.832954][ T1376] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  167.833829][ T1376] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  167.834687][ T1376] RBP: ffffc90000fa7168 R08: 0000000000000000 R09: 0000000000000000
[  167.835524][ T1376] R10: ffffc90000fa7198 R11: ffffffff9a8a8918 R12: 1ffff920001f4e14
[  167.836376][ T1376] R13: 00000000000005dc R14: ffffc90000fa7198 R15: ffff888004dd2f08
[  167.837251][ T1376] FS:  00007f485a711800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  167.838264][ T1376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.839013][ T1376] CR2: 00000000004a1738 CR3: 0000000013e5b005 CR4: 0000000000772ef0
[  167.839583][ T1376] PKRU: 55555554
[  167.839886][ T1376] Call Trace:
[  167.840232][ T1376]  <TASK>
[ 167.840423][ T1376] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.840805][ T1376] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.841156][ T1376] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.841666][ T1376] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.842185][ T1376] netif_set_mtu (net/core/dev.c:9652) 
[ 167.842763][ T1376] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.843377][ T1376] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.844165][ T1376] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.844614][ T1376] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.845379][ T1376] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.845947][ T1376] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 167.846422][ T1376] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.847026][ T1376] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.847638][ T1376] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.848161][ T1376] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.848521][ T1376] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.848886][ T1376] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.849240][ T1376] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.849592][ T1376] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.849954][ T1376] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.850318][ T1376] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.850687][ T1376] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.851042][ T1376] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.851385][ T1376] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.851749][ T1376] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.852093][ T1376] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.852503][ T1376] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.852943][ T1376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.853415][ T1376] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.854013][ T1376] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.854580][ T1376] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.855183][ T1376] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.855734][ T1376] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 167.856292][ T1376] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 167.856862][ T1376] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.857419][ T1376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.858021][ T1376] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.858637][ T1376] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.859205][ T1376] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.859664][ T1376] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.860171][ T1376] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.860739][ T1376] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.861446][ T1376] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.862043][ T1376] ___sys_sendmsg (net/socket.c:2670) 
[ 167.862629][ T1376] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.863191][ T1376] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.863770][ T1376] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.864287][ T1376] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.864724][ T1376] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.865278][ T1376] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.865870][ T1376] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.866483][ T1376] __sys_sendmsg (net/socket.c:2700) 
[ 167.866971][ T1376] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.867382][ T1376] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 167.867967][ T1376] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 167.868376][ T1376] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.868784][ T1376] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.869277][ T1376] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.869796][ T1376] RIP: 0033:0x7f485a8de1e7
[ 167.870328][ T1376] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  167.872057][ T1376] RSP: 002b:00007ffcd412d3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.872955][ T1376] RAX: ffffffffffffffda RBX: 00007ffcd412db00 RCX: 00007f485a8de1e7
[  167.873806][ T1376] RDX: 0000000000000000 RSI: 00007ffcd412d440 RDI: 0000000000000005
[  167.874656][ T1376] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.875497][ T1376] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcd412db38
[  167.876366][ T1376] R13: 00000000686e5e6d R14: 0000000000499600 R15: 0000000000000000
| [  168.055259][ T1377] ------------[ cut here ]------------
| [ 168.056224][ T1377] WARNING: CPU: 3 PID: 1377 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  168.056880][ T1377] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.058058][ T1377] Tainted: [W]=WARN
[  168.058297][ T1377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.058751][ T1377] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 168.059090][ T1377] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  168.060239][ T1377] RSP: 0018:ffffc90000fa7080 EFLAGS: 00010246
[  168.060656][ T1377] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  168.061126][ T1377] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  168.061611][ T1377] RBP: ffffc90000fa7168 R08: 0000000000000000 R09: 0000000000000000
[  168.062089][ T1377] R10: ffffc90000fa7198 R11: ffffffff9a8a8918 R12: 1ffff920001f4e14
[  168.062559][ T1377] R13: 00000000000005dc R14: ffffc90000fa7198 R15: ffff888004dd2f08
[  168.063057][ T1377] FS:  00007f1a57aa7800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  168.063624][ T1377] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.064031][ T1377] CR2: 00000000004a1738 CR3: 0000000006199003 CR4: 0000000000772ef0
[  168.064501][ T1377] PKRU: 55555554
[  168.064746][ T1377] Call Trace:
[  168.064984][ T1377]  <TASK>
[ 168.065147][ T1377] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.065477][ T1377] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.065804][ T1377] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.066222][ T1377] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.066540][ T1377] netif_set_mtu (net/core/dev.c:9652) 
[ 168.066870][ T1377] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.067216][ T1377] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.067670][ T1377] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.067927][ T1377] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.068386][ T1377] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.068787][ T1377] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 168.069143][ T1377] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.069481][ T1377] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.069825][ T1377] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.070147][ T1377] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.070471][ T1377] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.070802][ T1377] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.071137][ T1377] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.071451][ T1377] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.071794][ T1377] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.072117][ T1377] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.072435][ T1377] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.072769][ T1377] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.073081][ T1377] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.073401][ T1377] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.073741][ T1377] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.074060][ T1377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.074379][ T1377] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.074709][ T1377] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.075025][ T1377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.075340][ T1377] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.075675][ T1377] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.076011][ T1377] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 168.076327][ T1377] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 168.076658][ T1377] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.076972][ T1377] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.077292][ T1377] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.077627][ T1377] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.077948][ T1377] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.078283][ T1377] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.078627][ T1377] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.078953][ T1377] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.079350][ T1377] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.079686][ T1377] ___sys_sendmsg (net/socket.c:2670) 
[ 168.080013][ T1377] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.080329][ T1377] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.080664][ T1377] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.080986][ T1377] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.081306][ T1377] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.081629][ T1377] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.081940][ T1377] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.082271][ T1377] __sys_sendmsg (net/socket.c:2700) 
[ 168.082611][ T1377] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.082933][ T1377] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 168.083256][ T1377] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 168.083589][ T1377] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.083922][ T1377] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.084239][ T1377] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.084642][ T1377] RIP: 0033:0x7f1a57c741e7
[ 168.084977][ T1377] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  168.086118][ T1377] RSP: 002b:00007ffc9bc265f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.086602][ T1377] RAX: ffffffffffffffda RBX: 00007ffc9bc26d20 RCX: 00007f1a57c741e7
[  168.087084][ T1377] RDX: 0000000000000000 RSI: 00007ffc9bc26660 RDI: 0000000000000005
[  168.087576][ T1377] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.088053][ T1377] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9bc26d58
[  168.088542][ T1377] R13: 00000000686e5e6d R14: 0000000000499600 R15: 0000000000000000
| [  168.260411][ T1380] ------------[ cut here ]------------
| [ 168.261038][ T1380] WARNING: CPU: 0 PID: 1380 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  168.261739][ T1380] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.262957][ T1380] Tainted: [W]=WARN
[  168.263211][ T1380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.263633][ T1380] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 168.263988][ T1380] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  168.265194][ T1380] RSP: 0000:ffffc90000f87080 EFLAGS: 00010246
[  168.265634][ T1380] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  168.266142][ T1380] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  168.266649][ T1380] RBP: ffffc90000f87168 R08: 0000000000000000 R09: 0000000000000000
[  168.267209][ T1380] R10: ffffc90000f87198 R11: ffffffff9a8a8918 R12: 1ffff920001f0e14
[  168.267781][ T1380] R13: 00000000000005dc R14: ffffc90000f87198 R15: ffff888004dd2f08
[  168.268553][ T1380] FS:  00007f279b487800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  168.269174][ T1380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.269685][ T1380] CR2: 00007efe480cb620 CR3: 00000000050b2001 CR4: 0000000000772ef0
[  168.270287][ T1380] PKRU: 55555554
[  168.270737][ T1380] Call Trace:
[  168.271175][ T1380]  <TASK>
[ 168.271473][ T1380] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.272083][ T1380] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.272596][ T1380] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.273040][ T1380] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.273364][ T1380] netif_set_mtu (net/core/dev.c:9652) 
[ 168.273694][ T1380] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.274026][ T1380] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.274461][ T1380] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.274712][ T1380] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.275149][ T1380] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.275506][ T1380] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 168.275844][ T1380] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.276166][ T1380] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.276486][ T1380] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.276813][ T1380] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.277181][ T1380] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.277511][ T1380] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.277861][ T1380] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.278193][ T1380] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.278545][ T1380] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.278901][ T1380] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.279241][ T1380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.279601][ T1380] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.279932][ T1380] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.280289][ T1380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.280656][ T1380] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.281134][ T1380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.281478][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.281856][ T1380] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.282304][ T1380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.282699][ T1380] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.283186][ T1380] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.283550][ T1380] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 168.283912][ T1380] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 168.284420][ T1380] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.284979][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.285551][ T1380] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.286133][ T1380] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.286713][ T1380] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.287259][ T1380] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.287836][ T1380] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.288381][ T1380] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.289084][ T1380] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.289706][ T1380] ___sys_sendmsg (net/socket.c:2670) 
[ 168.290289][ T1380] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.290870][ T1380] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.291444][ T1380] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.292032][ T1380] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.292622][ T1380] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.293189][ T1380] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.293770][ T1380] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.294368][ T1380] __sys_sendmsg (net/socket.c:2700) 
[ 168.294902][ T1380] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.295267][ T1380] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 168.295608][ T1380] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 168.295936][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.296255][ T1380] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.296578][ T1380] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.296977][ T1380] RIP: 0033:0x7f279b6541e7
[ 168.297308][ T1380] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  168.298446][ T1380] RSP: 002b:00007ffdc6a77ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.299013][ T1380] RAX: ffffffffffffffda RBX: 00007ffdc6a78410 RCX: 00007f279b6541e7
[  168.299508][ T1380] RDX: 0000000000000000 RSI: 00007ffdc6a77d50 RDI: 0000000000000005
[  168.300026][ T1380] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.300552][ T1380] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc6a78448
[  168.301085][ T1380] R13: 00000000686e5e6e R14: 0000000000499600 R15: 0000000000000000
| [  168.470874][ T1381] ------------[ cut here ]------------
| [ 168.471409][ T1381] WARNING: CPU: 0 PID: 1381 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  168.472581][ T1381] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.474552][ T1381] Tainted: [W]=WARN
[  168.474997][ T1381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.475689][ T1381] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 168.476148][ T1381] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  168.477304][ T1381] RSP: 0018:ffffc90000fa7080 EFLAGS: 00010246
[  168.477724][ T1381] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  168.478208][ T1381] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  168.478721][ T1381] RBP: ffffc90000fa7168 R08: 0000000000000000 R09: 0000000000000000
[  168.479275][ T1381] R10: ffffc90000fa7198 R11: ffffffff9a8a8918 R12: 1ffff920001f4e14
[  168.480031][ T1381] R13: 00000000000005dc R14: ffffc90000fa7198 R15: ffff888004dd2f08
[  168.480823][ T1381] FS:  00007fce0b775800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  168.481803][ T1381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.482491][ T1381] CR2: 00000000004a1738 CR3: 000000000f24e005 CR4: 0000000000772ef0
[  168.483309][ T1381] PKRU: 55555554
[  168.483736][ T1381] Call Trace:
[  168.484136][ T1381]  <TASK>
[ 168.484451][ T1381] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.485017][ T1381] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.485584][ T1381] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.486256][ T1381] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.486818][ T1381] netif_set_mtu (net/core/dev.c:9652) 
[ 168.487355][ T1381] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.487937][ T1381] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.488788][ T1381] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.489228][ T1381] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.489991][ T1381] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.490358][ T1381] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 168.490698][ T1381] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.491050][ T1381] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.491391][ T1381] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.491776][ T1381] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.492138][ T1381] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.492603][ T1381] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.493090][ T1381] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.493422][ T1381] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.493776][ T1381] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.494154][ T1381] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.494487][ T1381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.494863][ T1381] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.495184][ T1381] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.495500][ T1381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.495831][ T1381] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.496148][ T1381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.496465][ T1381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.496800][ T1381] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.497127][ T1381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.497449][ T1381] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.497787][ T1381] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.498119][ T1381] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 168.498442][ T1381] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 168.498790][ T1381] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.499116][ T1381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.499442][ T1381] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.499772][ T1381] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.500101][ T1381] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.500422][ T1381] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.500752][ T1381] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.501075][ T1381] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.501474][ T1381] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.501810][ T1381] ___sys_sendmsg (net/socket.c:2670) 
[ 168.502147][ T1381] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.502466][ T1381] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.502793][ T1381] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.503136][ T1381] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.503458][ T1381] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.503822][ T1381] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.504155][ T1381] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.504487][ T1381] __sys_sendmsg (net/socket.c:2700) 
[ 168.504839][ T1381] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.505164][ T1381] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 168.505501][ T1381] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 168.505830][ T1381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.506149][ T1381] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.506466][ T1381] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.506865][ T1381] RIP: 0033:0x7fce0b9421e7
[ 168.507193][ T1381] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  168.508329][ T1381] RSP: 002b:00007fffca758cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.508826][ T1381] RAX: ffffffffffffffda RBX: 00007fffca759420 RCX: 00007fce0b9421e7
[  168.509297][ T1381] RDX: 0000000000000000 RSI: 00007fffca758d60 RDI: 0000000000000005
[  168.509781][ T1381] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.510254][ T1381] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffca759458
[  168.510743][ T1381] R13: 00000000686e5e6e R14: 0000000000499600 R15: 0000000000000000
| [  168.688974][ T1384] ------------[ cut here ]------------
| [ 168.689316][ T1384] WARNING: CPU: 3 PID: 1384 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  168.690026][ T1384] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.691236][ T1384] Tainted: [W]=WARN
[  168.691496][ T1384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.691910][ T1384] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 168.692241][ T1384] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  168.693382][ T1384] RSP: 0018:ffffc90000f87080 EFLAGS: 00010246
[  168.693797][ T1384] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  168.694279][ T1384] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  168.694766][ T1384] RBP: ffffc90000f87168 R08: 0000000000000000 R09: 0000000000000000
[  168.695236][ T1384] R10: ffffc90000f87198 R11: ffffffff9a8a8918 R12: 1ffff920001f0e14
[  168.695722][ T1384] R13: 00000000000005dc R14: ffffc90000f87198 R15: ffff888004dd2f08
[  168.696218][ T1384] FS:  00007f3de2b2e800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  168.696778][ T1384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.697178][ T1384] CR2: 00000000004a1738 CR3: 000000000f0d8001 CR4: 0000000000772ef0
[  168.697667][ T1384] PKRU: 55555554
[  168.697926][ T1384] Call Trace:
[  168.698169][ T1384]  <TASK>
[ 168.698345][ T1384] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.698695][ T1384] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.699017][ T1384] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.699415][ T1384] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.699746][ T1384] netif_set_mtu (net/core/dev.c:9652) 
[ 168.700068][ T1384] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.700404][ T1384] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.700853][ T1384] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.701093][ T1384] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.701519][ T1384] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.701888][ T1384] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 168.702206][ T1384] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.702523][ T1384] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.702866][ T1384] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.703242][ T1384] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.703654][ T1384] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.704029][ T1384] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.704409][ T1384] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.704788][ T1384] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.705164][ T1384] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.705543][ T1384] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.705927][ T1384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.706294][ T1384] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.706661][ T1384] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.707032][ T1384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.707399][ T1384] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.707779][ T1384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.708144][ T1384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.708526][ T1384] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.708897][ T1384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.709261][ T1384] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.709640][ T1384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.710007][ T1384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 168.710386][ T1384] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 168.710763][ T1384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.711141][ T1384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.711508][ T1384] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.711875][ T1384] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.712238][ T1384] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.712608][ T1384] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.712971][ T1384] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.713328][ T1384] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.713795][ T1384] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.714165][ T1384] ___sys_sendmsg (net/socket.c:2670) 
[ 168.714522][ T1384] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.714885][ T1384] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.715254][ T1384] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.715625][ T1384] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.715996][ T1384] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.716352][ T1384] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.716719][ T1384] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.717106][ T1384] __sys_sendmsg (net/socket.c:2700) 
[ 168.717476][ T1384] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.717854][ T1384] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 168.718223][ T1384] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 168.718613][ T1384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.718982][ T1384] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.719343][ T1384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.719790][ T1384] RIP: 0033:0x7f3de2cfb1e7
[ 168.720158][ T1384] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  168.721446][ T1384] RSP: 002b:00007fff27443e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.721989][ T1384] RAX: ffffffffffffffda RBX: 00007fff274445c0 RCX: 00007f3de2cfb1e7
[  168.722530][ T1384] RDX: 0000000000000000 RSI: 00007fff27443f00 RDI: 0000000000000005
[  168.723077][ T1384] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.723616][ T1384] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff274445f8
[  168.724145][ T1384] R13: 00000000686e5e6e R14: 0000000000499600 R15: 0000000000000000
| [  168.895332][ T1385] ------------[ cut here ]------------
| [ 168.895695][ T1385] WARNING: CPU: 3 PID: 1385 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  168.896317][ T1385] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.897467][ T1385] Tainted: [W]=WARN
[  168.897713][ T1385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.898104][ T1385] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 168.898428][ T1385] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  168.899872][ T1385] RSP: 0018:ffffc90000fa7080 EFLAGS: 00010246
[  168.900284][ T1385] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  168.900796][ T1385] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  168.901271][ T1385] RBP: ffffc90000fa7168 R08: 0000000000000000 R09: 0000000000000000
[  168.901774][ T1385] R10: ffffc90000fa7198 R11: ffffffff9a8a8918 R12: 1ffff920001f4e14
[  168.902285][ T1385] R13: 00000000000005dc R14: ffffc90000fa7198 R15: ffff888004dd2f08
[  168.902786][ T1385] FS:  00007fda76111800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  168.903345][ T1385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.903772][ T1385] CR2: 00000000004a1738 CR3: 0000000004dc1004 CR4: 0000000000772ef0
[  168.904256][ T1385] PKRU: 55555554
[  168.904493][ T1385] Call Trace:
[  168.904745][ T1385]  <TASK>
[ 168.904910][ T1385] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.905236][ T1385] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.905556][ T1385] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.905966][ T1385] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.906296][ T1385] netif_set_mtu (net/core/dev.c:9652) 
[ 168.906635][ T1385] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.906966][ T1385] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.907403][ T1385] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.907656][ T1385] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.908120][ T1385] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.908498][ T1385] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 168.908838][ T1385] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.909178][ T1385] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.909498][ T1385] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.909825][ T1385] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.910141][ T1385] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.910464][ T1385] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.910795][ T1385] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.911114][ T1385] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.911437][ T1385] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.911802][ T1385] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.912159][ T1385] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.912490][ T1385] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.912825][ T1385] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.913183][ T1385] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.913499][ T1385] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.913842][ T1385] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.914202][ T1385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.914528][ T1385] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.914866][ T1385] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.915207][ T1385] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.915557][ T1385] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.915921][ T1385] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 168.916251][ T1385] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 168.916581][ T1385] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.916903][ T1385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.917227][ T1385] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.917554][ T1385] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.917887][ T1385] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.918214][ T1385] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.918552][ T1385] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.918890][ T1385] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.919335][ T1385] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.919689][ T1385] ___sys_sendmsg (net/socket.c:2670) 
[ 168.920036][ T1385] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.920352][ T1385] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.920685][ T1385] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.921005][ T1385] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.921342][ T1385] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.921687][ T1385] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.922022][ T1385] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.922386][ T1385] __sys_sendmsg (net/socket.c:2700) 
[ 168.922742][ T1385] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.923069][ T1385] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 168.923398][ T1385] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 168.923767][ T1385] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.924095][ T1385] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.924421][ T1385] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.924844][ T1385] RIP: 0033:0x7fda762de1e7
[ 168.925182][ T1385] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  168.926336][ T1385] RSP: 002b:00007ffe47e88338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.926866][ T1385] RAX: ffffffffffffffda RBX: 00007ffe47e88a60 RCX: 00007fda762de1e7
[  168.927350][ T1385] RDX: 0000000000000000 RSI: 00007ffe47e883a0 RDI: 0000000000000005
[  168.927858][ T1385] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.928340][ T1385] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe47e88a98
[  168.928832][ T1385] R13: 00000000686e5e6e R14: 0000000000499600 R15: 0000000000000000
| [  169.093608][ T1387] ------------[ cut here ]------------
| [ 169.093929][ T1387] WARNING: CPU: 0 PID: 1387 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  169.094634][ T1387] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  169.095855][ T1387] Tainted: [W]=WARN
[  169.096120][ T1387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.096515][ T1387] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 169.096898][ T1387] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  169.098062][ T1387] RSP: 0018:ffffc90000fd7080 EFLAGS: 00010246
[  169.098468][ T1387] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  169.098988][ T1387] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  169.099479][ T1387] RBP: ffffc90000fd7168 R08: 0000000000000000 R09: 0000000000000000
[  169.099976][ T1387] R10: ffffc90000fd7198 R11: ffffffff9a8a8918 R12: 1ffff920001fae14
[  169.100466][ T1387] R13: 00000000000005dc R14: ffffc90000fd7198 R15: ffff888004dd2f08
[  169.100960][ T1387] FS:  00007f9830db4800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  169.101557][ T1387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.101973][ T1387] CR2: 00000000004a1738 CR3: 00000000128a0002 CR4: 0000000000772ef0
[  169.102481][ T1387] PKRU: 55555554
[  169.102728][ T1387] Call Trace:
[  169.102989][ T1387]  <TASK>
[ 169.103154][ T1387] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 169.103494][ T1387] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 169.103840][ T1387] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 169.104263][ T1387] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 169.104623][ T1387] netif_set_mtu (net/core/dev.c:9652) 
[ 169.104957][ T1387] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 169.105298][ T1387] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 169.105775][ T1387] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 169.106020][ T1387] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 169.106463][ T1387] br_add_if (net/bridge/br_if.c:697) bridge 
[ 169.106833][ T1387] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 169.107169][ T1387] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 169.107492][ T1387] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 169.107835][ T1387] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 169.108153][ T1387] ? __dev_get_by_name (net/core/dev.c:865) 
[ 169.108469][ T1387] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.108837][ T1387] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.109166][ T1387] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 169.109488][ T1387] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.109826][ T1387] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 169.110167][ T1387] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 169.110508][ T1387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.110858][ T1387] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 169.111191][ T1387] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.111545][ T1387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.111893][ T1387] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 169.112230][ T1387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.112580][ T1387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.112924][ T1387] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 169.113250][ T1387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.113608][ T1387] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 169.113944][ T1387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 169.114264][ T1387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 169.114596][ T1387] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 169.114932][ T1387] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 169.115262][ T1387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.115596][ T1387] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 169.115923][ T1387] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 169.116250][ T1387] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 169.116592][ T1387] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 169.116922][ T1387] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 169.117246][ T1387] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 169.117671][ T1387] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 169.118002][ T1387] ___sys_sendmsg (net/socket.c:2670) 
[ 169.118323][ T1387] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 169.118669][ T1387] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 169.118996][ T1387] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.119316][ T1387] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 169.119648][ T1387] ? __handle_mm_fault (mm/memory.c:6212) 
[ 169.120011][ T1387] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 169.120350][ T1387] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 169.120709][ T1387] __sys_sendmsg (net/socket.c:2700) 
[ 169.121048][ T1387] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 169.121398][ T1387] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 169.121743][ T1387] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 169.122064][ T1387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.122408][ T1387] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 169.122737][ T1387] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.123172][ T1387] RIP: 0033:0x7f9830f811e7
[ 169.123510][ T1387] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  169.124710][ T1387] RSP: 002b:00007fffe7bdd648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  169.125210][ T1387] RAX: ffffffffffffffda RBX: 00007fffe7bddd70 RCX: 00007f9830f811e7
[  169.125717][ T1387] RDX: 0000000000000000 RSI: 00007fffe7bdd6b0 RDI: 0000000000000005
[  169.126236][ T1387] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  169.126772][ T1387] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe7bddda8
[  169.127321][ T1387] R13: 00000000686e5e6e R14: 0000000000499600 R15: 0000000000000000
| [  169.296648][ T1389] ------------[ cut here ]------------
| [ 169.296959][ T1389] WARNING: CPU: 0 PID: 1389 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  169.297630][ T1389] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  169.298811][ T1389] Tainted: [W]=WARN
[  169.299051][ T1389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.299445][ T1389] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 169.299801][ T1389] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  169.300936][ T1389] RSP: 0018:ffffc90001007080 EFLAGS: 00010246
[  169.301335][ T1389] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  169.301813][ T1389] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  169.302292][ T1389] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000
[  169.302772][ T1389] R10: ffffc90001007198 R11: ffffffff9a8a8918 R12: 1ffff92000200e14
[  169.303251][ T1389] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff888004dd2f08
[  169.303737][ T1389] FS:  00007fc82e602800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  169.304308][ T1389] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.304712][ T1389] CR2: 00000000004a1738 CR3: 0000000005413004 CR4: 0000000000772ef0
[  169.305201][ T1389] PKRU: 55555554
[  169.305440][ T1389] Call Trace:
[  169.305682][ T1389]  <TASK>
[ 169.305846][ T1389] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 169.306170][ T1389] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 169.306485][ T1389] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 169.306918][ T1389] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 169.307302][ T1389] netif_set_mtu (net/core/dev.c:9652) 
[ 169.307632][ T1389] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 169.307977][ T1389] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 169.308417][ T1389] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 169.308680][ T1389] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 169.309115][ T1389] br_add_if (net/bridge/br_if.c:697) bridge 
[ 169.309480][ T1389] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 169.309821][ T1389] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 169.310148][ T1389] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 169.310465][ T1389] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 169.310792][ T1389] ? __dev_get_by_name (net/core/dev.c:865) 
[ 169.311106][ T1389] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.311423][ T1389] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.311753][ T1389] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 169.312087][ T1389] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.312410][ T1389] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 169.312762][ T1389] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 169.313093][ T1389] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.313419][ T1389] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 169.313784][ T1389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.314107][ T1389] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.314443][ T1389] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 169.314775][ T1389] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.315107][ T1389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.315442][ T1389] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 169.315769][ T1389] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.316092][ T1389] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 169.316429][ T1389] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 169.316760][ T1389] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 169.317080][ T1389] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 169.317400][ T1389] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 169.317721][ T1389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.318043][ T1389] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 169.318360][ T1389] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 169.318697][ T1389] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 169.319028][ T1389] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 169.319345][ T1389] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 169.319667][ T1389] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 169.320060][ T1389] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 169.320379][ T1389] ___sys_sendmsg (net/socket.c:2670) 
[ 169.320701][ T1389] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 169.321029][ T1389] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 169.321364][ T1389] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.321700][ T1389] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 169.322060][ T1389] ? __handle_mm_fault (mm/memory.c:6212) 
[ 169.322385][ T1389] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 169.322719][ T1389] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 169.323073][ T1389] __sys_sendmsg (net/socket.c:2700) 
[ 169.323405][ T1389] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 169.323757][ T1389] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 169.324105][ T1389] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 169.324440][ T1389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.324782][ T1389] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 169.325116][ T1389] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.325535][ T1389] RIP: 0033:0x7fc82e7cf1e7
[ 169.325890][ T1389] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  169.327086][ T1389] RSP: 002b:00007ffe1aab42a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  169.327594][ T1389] RAX: ffffffffffffffda RBX: 00007ffe1aab49d0 RCX: 00007fc82e7cf1e7
[  169.328129][ T1389] RDX: 0000000000000000 RSI: 00007ffe1aab4310 RDI: 0000000000000005
[  169.328676][ T1389] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  169.329205][ T1389] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe1aab4a08
[  169.329753][ T1389] R13: 00000000686e5e6f R14: 0000000000499600 R15: 0000000000000000
| [  169.506560][ T1391] ------------[ cut here ]------------
| [ 169.506965][ T1391] WARNING: CPU: 1 PID: 1391 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  169.507602][ T1391] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  169.509239][ T1391] Tainted: [W]=WARN
[  169.509480][ T1391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.509909][ T1391] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 169.510243][ T1391] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  169.511491][ T1391] RSP: 0018:ffffc90000fe7080 EFLAGS: 00010246
[  169.512087][ T1391] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  169.512800][ T1391] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  169.513388][ T1391] RBP: ffffc90000fe7168 R08: 0000000000000000 R09: 0000000000000000
[  169.513963][ T1391] R10: ffffc90000fe7198 R11: ffffffff9a8a8918 R12: 1ffff920001fce14
[  169.514458][ T1391] R13: 00000000000005dc R14: ffffc90000fe7198 R15: ffff888004dd2f08
[  169.514963][ T1391] FS:  00007f060af78800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  169.515540][ T1391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.515964][ T1391] CR2: 00000000004a1738 CR3: 000000000f267005 CR4: 0000000000772ef0
[  169.516439][ T1391] PKRU: 55555554
[  169.516681][ T1391] Call Trace:
[  169.516916][ T1391]  <TASK>
[ 169.517082][ T1391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 169.517408][ T1391] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 169.517736][ T1391] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 169.518131][ T1391] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 169.518453][ T1391] netif_set_mtu (net/core/dev.c:9652) 
[ 169.518803][ T1391] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 169.519131][ T1391] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 169.519578][ T1391] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 169.519826][ T1391] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 169.520259][ T1391] br_add_if (net/bridge/br_if.c:697) bridge 
[ 169.520628][ T1391] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 169.520958][ T1391] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 169.521278][ T1391] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 169.521604][ T1391] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 169.521919][ T1391] ? __dev_get_by_name (net/core/dev.c:865) 
[ 169.522231][ T1391] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.522543][ T1391] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.522880][ T1391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 169.523196][ T1391] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.523518][ T1391] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 169.523852][ T1391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 169.524175][ T1391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.524497][ T1391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 169.524817][ T1391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.525137][ T1391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.525449][ T1391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 169.525772][ T1391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.526092][ T1391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.526410][ T1391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 169.526737][ T1391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.527054][ T1391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 169.527380][ T1391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 169.527704][ T1391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 169.528023][ T1391] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 169.528342][ T1391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 169.528682][ T1391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.529007][ T1391] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 169.529323][ T1391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 169.529647][ T1391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 169.529975][ T1391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 169.530295][ T1391] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 169.530619][ T1391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 169.531020][ T1391] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 169.531342][ T1391] ___sys_sendmsg (net/socket.c:2670) 
[ 169.531666][ T1391] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 169.531980][ T1391] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 169.532294][ T1391] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.532616][ T1391] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 169.532941][ T1391] ? __handle_mm_fault (mm/memory.c:6212) 
[ 169.533257][ T1391] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 169.533578][ T1391] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 169.533911][ T1391] __sys_sendmsg (net/socket.c:2700) 
[ 169.534226][ T1391] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 169.534537][ T1391] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 169.534873][ T1391] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 169.535190][ T1391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.535505][ T1391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 169.535830][ T1391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.536223][ T1391] RIP: 0033:0x7f060b1451e7
[ 169.536555][ T1391] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  169.537688][ T1391] RSP: 002b:00007ffc8fcdbc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  169.538173][ T1391] RAX: ffffffffffffffda RBX: 00007ffc8fcdc3a0 RCX: 00007f060b1451e7
[  169.538669][ T1391] RDX: 0000000000000000 RSI: 00007ffc8fcdbce0 RDI: 0000000000000005
[  169.539152][ T1391] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  169.539640][ T1391] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8fcdc3d8
[  169.540114][ T1391] R13: 00000000686e5e6f R14: 0000000000499600 R15: 0000000000000000
| [  169.684539][ T1393] ------------[ cut here ]------------
| [ 169.684939][ T1393] WARNING: CPU: 2 PID: 1393 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  169.685613][ T1393] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  169.686817][ T1393] Tainted: [W]=WARN
[  169.687071][ T1393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.687487][ T1393] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 169.687839][ T1393] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  169.689015][ T1393] RSP: 0018:ffffc90000fb7080 EFLAGS: 00010246
[  169.689431][ T1393] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  169.689944][ T1393] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  169.690451][ T1393] RBP: ffffc90000fb7168 R08: 0000000000000000 R09: 0000000000000000
[  169.690976][ T1393] R10: ffffc90000fb7198 R11: ffffffff9a8a8918 R12: 1ffff920001f6e14
[  169.691498][ T1393] R13: 00000000000005dc R14: ffffc90000fb7198 R15: ffff888004dd2f08
[  169.692010][ T1393] FS:  00007f5a8af8d800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  169.692592][ T1393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.693010][ T1393] CR2: 00007f5a8b1a15c0 CR3: 000000000e42b002 CR4: 0000000000772ef0
[  169.693515][ T1393] PKRU: 55555554
[  169.693775][ T1393] Call Trace:
[  169.694023][ T1393]  <TASK>
[ 169.694200][ T1393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 169.694544][ T1393] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 169.694929][ T1393] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 169.695340][ T1393] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 169.695701][ T1393] netif_set_mtu (net/core/dev.c:9652) 
[ 169.696059][ T1393] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 169.696417][ T1393] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 169.696891][ T1393] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 169.697152][ T1393] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 169.697633][ T1393] br_add_if (net/bridge/br_if.c:697) bridge 
[ 169.698006][ T1393] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 169.698364][ T1393] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 169.698741][ T1393] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 169.699089][ T1393] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 169.699422][ T1393] ? __dev_get_by_name (net/core/dev.c:865) 
[ 169.699774][ T1393] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.700144][ T1393] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.700482][ T1393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 169.700822][ T1393] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.701161][ T1393] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 169.701505][ T1393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 169.701867][ T1393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.702209][ T1393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 169.702838][ T1393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.703185][ T1393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.703543][ T1393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 169.703882][ T1393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.704230][ T1393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.704566][ T1393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 169.704916][ T1393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.705490][ T1393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 169.706095][ T1393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 169.706437][ T1393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 169.706776][ T1393] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 169.707112][ T1393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 169.707454][ T1393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.707798][ T1393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 169.708131][ T1393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 169.708463][ T1393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 169.708831][ T1393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 169.709167][ T1393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 169.709505][ T1393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 169.709936][ T1393] ___sys_sendmsg (net/socket.c:2670) 
[ 169.710266][ T1393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 169.710610][ T1393] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 169.710941][ T1393] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.711284][ T1393] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 169.711644][ T1393] ? __handle_mm_fault (mm/memory.c:6212) 
[ 169.711981][ T1393] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 169.712321][ T1393] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 169.712920][ T1393] __sys_sendmsg (net/socket.c:2700) 
[ 169.713488][ T1393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 169.713835][ T1393] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 169.714180][ T1393] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 169.714522][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.714877][ T1393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 169.715207][ T1393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.715633][ T1393] RIP: 0033:0x7f5a8b15a1e7
[ 169.715975][ T1393] Code: Unable to access opcode bytes at 0x7f5a8b15a1bd.

Code starting with the faulting instruction
===========================================
[  169.716388][ T1393] RSP: 002b:00007ffc67b46318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  169.716893][ T1393] RAX: ffffffffffffffda RBX: 00007ffc67b46a40 RCX: 00007f5a8b15a1e7
[  169.717380][ T1393] RDX: 0000000000000000 RSI: 00007ffc67b46380 RDI: 0000000000000005
[  169.717882][ T1393] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  169.718387][ T1393] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc67b46a78
[  169.719390][ T1393] R13: 00000000686e5e6f R14: 0000000000499600 R15: 0000000000000000
| [  169.901821][ T1396] ------------[ cut here ]------------
| [ 169.902354][ T1396] WARNING: CPU: 3 PID: 1396 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  169.904250][ T1396] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  169.906258][ T1396] Tainted: [W]=WARN
[  169.906728][ T1396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.907443][ T1396] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 169.908031][ T1396] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  169.910102][ T1396] RSP: 0018:ffffc90000fe7080 EFLAGS: 00010246
[  169.910863][ T1396] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  169.911743][ T1396] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  169.912549][ T1396] RBP: ffffc90000fe7168 R08: 0000000000000000 R09: 0000000000000000
[  169.913413][ T1396] R10: ffffc90000fe7198 R11: ffffffff9a8a8918 R12: 1ffff920001fce14
[  169.914303][ T1396] R13: 00000000000005dc R14: ffffc90000fe7198 R15: ffff888004dd2f08
[  169.915208][ T1396] FS:  00007f1d93b8e800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  169.916239][ T1396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.916994][ T1396] CR2: 0000000000406141 CR3: 000000000f451005 CR4: 0000000000772ef0
[  169.917847][ T1396] PKRU: 55555554
[  169.918279][ T1396] Call Trace:
[  169.918735][ T1396]  <TASK>
[ 169.919045][ T1396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 169.919663][ T1396] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 169.920271][ T1396] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 169.920990][ T1396] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 169.921582][ T1396] netif_set_mtu (net/core/dev.c:9652) 
[ 169.922180][ T1396] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 169.922793][ T1396] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 169.923596][ T1396] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 169.924054][ T1396] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 169.924857][ T1396] br_add_if (net/bridge/br_if.c:697) bridge 
[ 169.925505][ T1396] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 169.926092][ T1396] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 169.926679][ T1396] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 169.927258][ T1396] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 169.927823][ T1396] ? __dev_get_by_name (net/core/dev.c:865) 
[ 169.928402][ T1396] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.929000][ T1396] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.929593][ T1396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 169.930136][ T1396] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.930708][ T1396] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 169.931292][ T1396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 169.931875][ T1396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.932478][ T1396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 169.933050][ T1396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.933635][ T1396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.934194][ T1396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 169.934772][ T1396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.935348][ T1396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.935944][ T1396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 169.936411][ T1396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.936764][ T1396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 169.937095][ T1396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 169.937408][ T1396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 169.937748][ T1396] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 169.938067][ T1396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 169.938381][ T1396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.938746][ T1396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 169.939081][ T1396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 169.939409][ T1396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 169.939762][ T1396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 169.940094][ T1396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 169.940414][ T1396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 169.940933][ T1396] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 169.941262][ T1396] ___sys_sendmsg (net/socket.c:2670) 
[ 169.941616][ T1396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 169.941939][ T1396] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 169.942261][ T1396] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.942608][ T1396] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 169.942938][ T1396] ? __handle_mm_fault (mm/memory.c:6212) 
[ 169.943258][ T1396] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 169.943603][ T1396] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 169.943952][ T1396] __sys_sendmsg (net/socket.c:2700) 
[ 169.944280][ T1396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 169.944643][ T1396] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 169.945244][ T1396] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 169.945847][ T1396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.946434][ T1396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 169.946824][ T1396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.947230][ T1396] RIP: 0033:0x7f1d93d5b1e7
[ 169.947575][ T1396] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  169.948887][ T1396] RSP: 002b:00007fffd0a77738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  169.949405][ T1396] RAX: ffffffffffffffda RBX: 00007fffd0a77e60 RCX: 00007f1d93d5b1e7
[  169.949900][ T1396] RDX: 0000000000000000 RSI: 00007fffd0a777a0 RDI: 0000000000000005
[  169.950378][ T1396] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  169.950858][ T1396] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffd0a77e98
[  169.951336][ T1396] R13: 00000000686e5e6f R14: 0000000000499600 R15: 0000000000000000
| [  170.174214][ T1397] ------------[ cut here ]------------
| [ 170.174704][ T1397] WARNING: CPU: 1 PID: 1397 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  170.175366][ T1397] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  170.176607][ T1397] Tainted: [W]=WARN
[  170.176890][ T1397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.177312][ T1397] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 170.178031][ T1397] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  170.179437][ T1397] RSP: 0018:ffffc90000fe7080 EFLAGS: 00010246
[  170.180025][ T1397] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  170.180525][ T1397] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  170.181191][ T1397] RBP: ffffc90000fe7168 R08: 0000000000000000 R09: 0000000000000000
[  170.181703][ T1397] R10: ffffc90000fe7198 R11: ffffffff9a8a8918 R12: 1ffff920001fce14
[  170.182208][ T1397] R13: 00000000000005dc R14: ffffc90000fe7198 R15: ffff888004dd2f08
[  170.182731][ T1397] FS:  00007fa2344e1800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  170.183310][ T1397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.183749][ T1397] CR2: 000055e0f3b53310 CR3: 000000000b83b006 CR4: 0000000000772ef0
[  170.184246][ T1397] PKRU: 55555554
[  170.184501][ T1397] Call Trace:
[  170.184776][ T1397]  <TASK>
[ 170.184949][ T1397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.185290][ T1397] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 170.185646][ T1397] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 170.186066][ T1397] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 170.186401][ T1397] netif_set_mtu (net/core/dev.c:9652) 
[ 170.186766][ T1397] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.187110][ T1397] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 170.187558][ T1397] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.187835][ T1397] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 170.188279][ T1397] br_add_if (net/bridge/br_if.c:697) bridge 
[ 170.188696][ T1397] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 170.189037][ T1397] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 170.189377][ T1397] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 170.189733][ T1397] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 170.190066][ T1397] ? __dev_get_by_name (net/core/dev.c:865) 
[ 170.190402][ T1397] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.190759][ T1397] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.191099][ T1397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.191427][ T1397] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.191787][ T1397] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 170.192142][ T1397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.192480][ T1397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.192848][ T1397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.193177][ T1397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.193514][ T1397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.193859][ T1397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.194189][ T1397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.194520][ T1397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.194870][ T1397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.195229][ T1397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.195553][ T1397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.195909][ T1397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.196223][ T1397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 170.196542][ T1397] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 170.196885][ T1397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.197204][ T1397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.197523][ T1397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.197858][ T1397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.198176][ T1397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.198506][ T1397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.198855][ T1397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.199175][ T1397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.199599][ T1397] ___sys_sendmsg (net/socket.c:2670) 
[ 170.199922][ T1397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.200242][ T1397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 170.200563][ T1397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 170.200903][ T1397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 170.201230][ T1397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.201554][ T1397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.201892][ T1397] __sys_sendmsg (net/socket.c:2700) 
[ 170.202208][ T1397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.202534][ T1397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.202894][ T1397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.203211][ T1397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  170.203622][ T1397] RIP: 0033:0x7fa2346ae1e7
[ 170.203948][ T1397] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  170.205080][ T1397] RSP: 002b:00007ffd55db6c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  170.205560][ T1397] RAX: ffffffffffffffda RBX: 00007ffd55db7350 RCX: 00007fa2346ae1e7
[  170.206054][ T1397] RDX: 0000000000000000 RSI: 00007ffd55db6c90 RDI: 0000000000000005
[  170.206528][ T1397] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  170.207025][ T1397] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd55db7388
[  170.207496][ T1397] R13: 00000000686e5e6f R14: 0000000000499600 R15: 0000000000000000
| [  170.413130][ T1400] ------------[ cut here ]------------
| [ 170.413467][ T1400] WARNING: CPU: 1 PID: 1400 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  170.414139][ T1400] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  170.415290][ T1400] Tainted: [W]=WARN
[  170.415530][ T1400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.415938][ T1400] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 170.416264][ T1400] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  170.417391][ T1400] RSP: 0018:ffffc90000fe7080 EFLAGS: 00010246
[  170.417810][ T1400] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  170.418296][ T1400] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  170.418802][ T1400] RBP: ffffc90000fe7168 R08: 0000000000000000 R09: 0000000000000000
[  170.419281][ T1400] R10: ffffc90000fe7198 R11: ffffffff9a8a8918 R12: 1ffff920001fce14
[  170.419761][ T1400] R13: 00000000000005dc R14: ffffc90000fe7198 R15: ffff888004dd2f08
[  170.420239][ T1400] FS:  00007f3cae09d800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  170.420808][ T1400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.421216][ T1400] CR2: 00007f1b4ff64270 CR3: 0000000008b6d003 CR4: 0000000000772ef0
[  170.421863][ T1400] PKRU: 55555554
[  170.422109][ T1400] Call Trace:
[  170.422346][ T1400]  <TASK>
[ 170.422508][ T1400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.422997][ T1400] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 170.423325][ T1400] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 170.423883][ T1400] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 170.424222][ T1400] netif_set_mtu (net/core/dev.c:9652) 
[ 170.424541][ T1400] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.425032][ T1400] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 170.425480][ T1400] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.425877][ T1400] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 170.426312][ T1400] br_add_if (net/bridge/br_if.c:697) bridge 
[ 170.426832][ T1400] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 170.427183][ T1400] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 170.427500][ T1400] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 170.427847][ T1400] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 170.428167][ T1400] ? __dev_get_by_name (net/core/dev.c:865) 
[ 170.428502][ T1400] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.428847][ T1400] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.429191][ T1400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.429536][ T1400] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.429885][ T1400] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 170.430221][ T1400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.430553][ T1400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.430889][ T1400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.431201][ T1400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.431523][ T1400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.431857][ T1400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.432172][ T1400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.432499][ T1400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.432831][ T1400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.433145][ T1400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.433470][ T1400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.433811][ T1400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.434127][ T1400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 170.434454][ T1400] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 170.434789][ T1400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.435107][ T1400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.435436][ T1400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.435799][ T1400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.436138][ T1400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.436477][ T1400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.436819][ T1400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.437145][ T1400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.437555][ T1400] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 170.437885][ T1400] ___sys_sendmsg (net/socket.c:2670) 
[ 170.438209][ T1400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.438535][ T1400] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 170.438874][ T1400] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.439204][ T1400] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 170.439539][ T1400] ? __handle_mm_fault (mm/memory.c:6212) 
[ 170.439873][ T1400] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 170.440207][ T1400] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 170.440585][ T1400] __sys_sendmsg (net/socket.c:2700) 
[ 170.440904][ T1400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.441240][ T1400] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 170.441585][ T1400] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 170.441915][ T1400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.442231][ T1400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.442550][ T1400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  170.442993][ T1400] RIP: 0033:0x7f3cae26a1e7
[ 170.443322][ T1400] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  170.444464][ T1400] RSP: 002b:00007ffcc86ab038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  170.444952][ T1400] RAX: ffffffffffffffda RBX: 00007ffcc86ab760 RCX: 00007f3cae26a1e7
[  170.445455][ T1400] RDX: 0000000000000000 RSI: 00007ffcc86ab0a0 RDI: 0000000000000005
[  170.445951][ T1400] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  170.446448][ T1400] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc86ab798
[  170.446932][ T1400] R13: 00000000686e5e70 R14: 0000000000499600 R15: 0000000000000000
| [  170.653493][ T1402] ------------[ cut here ]------------
| [ 170.653905][ T1402] WARNING: CPU: 0 PID: 1402 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  170.654630][ T1402] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  170.655848][ T1402] Tainted: [W]=WARN
[  170.656094][ T1402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.656522][ T1402] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 170.656883][ T1402] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  170.658138][ T1402] RSP: 0000:ffffc90001027080 EFLAGS: 00010246
[  170.658622][ T1402] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  170.659186][ T1402] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  170.659732][ T1402] RBP: ffffc90001027168 R08: 0000000000000000 R09: 0000000000000000
[  170.660252][ T1402] R10: ffffc90001027198 R11: ffffffff9a8a8918 R12: 1ffff92000204e14
[  170.660773][ T1402] R13: 00000000000005dc R14: ffffc90001027198 R15: ffff888004dd2f08
[  170.661280][ T1402] FS:  00007fec28d9b800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  170.661890][ T1402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.662298][ T1402] CR2: 00007efe47e52700 CR3: 0000000009a7d004 CR4: 0000000000772ef0
[  170.662798][ T1402] PKRU: 55555554
[  170.663054][ T1402] Call Trace:
[  170.663305][ T1402]  <TASK>
[ 170.663481][ T1402] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.663850][ T1402] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 170.664200][ T1402] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 170.664640][ T1402] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 170.664991][ T1402] netif_set_mtu (net/core/dev.c:9652) 
[ 170.665342][ T1402] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.665754][ T1402] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 170.666281][ T1402] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.666542][ T1402] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 170.667020][ T1402] br_add_if (net/bridge/br_if.c:697) bridge 
[ 170.667407][ T1402] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 170.667777][ T1402] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 170.668135][ T1402] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 170.668483][ T1402] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 170.668851][ T1402] ? __dev_get_by_name (net/core/dev.c:865) 
[ 170.669226][ T1402] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.669587][ T1402] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.669933][ T1402] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.670302][ T1402] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.670656][ T1402] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 170.671043][ T1402] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.671426][ T1402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.671811][ T1402] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.672156][ T1402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.672518][ T1402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.672877][ T1402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.673252][ T1402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.673601][ T1402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.673945][ T1402] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.674286][ T1402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.674632][ T1402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.674991][ T1402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.675335][ T1402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 170.675693][ T1402] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 170.676044][ T1402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.676403][ T1402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.676773][ T1402] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.677126][ T1402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.677491][ T1402] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.677832][ T1402] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.678164][ T1402] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.678477][ T1402] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.678913][ T1402] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 170.679274][ T1402] ___sys_sendmsg (net/socket.c:2670) 
[ 170.679626][ T1402] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.679968][ T1402] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 170.680318][ T1402] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.680671][ T1402] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 170.681019][ T1402] ? __handle_mm_fault (mm/memory.c:6212) 
[ 170.681348][ T1402] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 170.681697][ T1402] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 170.682037][ T1402] __sys_sendmsg (net/socket.c:2700) 
[ 170.682357][ T1402] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.682675][ T1402] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 170.683003][ T1402] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 170.683342][ T1402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.683709][ T1402] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.684042][ T1402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  170.684459][ T1402] RIP: 0033:0x7fec28f681e7
[ 170.684802][ T1402] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  170.685973][ T1402] RSP: 002b:00007fff41c92888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  170.686470][ T1402] RAX: ffffffffffffffda RBX: 00007fff41c92fb0 RCX: 00007fec28f681e7
[  170.686973][ T1402] RDX: 0000000000000000 RSI: 00007fff41c928f0 RDI: 0000000000000005
[  170.687448][ T1402] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  170.689154][ T1402] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff41c92fe8
[  170.689666][ T1402] R13: 00000000686e5e70 R14: 0000000000499600 R15: 0000000000000000
| [  170.839146][ T1403] ------------[ cut here ]------------
| [ 170.839695][ T1403] WARNING: CPU: 2 PID: 1403 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  170.840501][ T1403] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  170.841722][ T1403] Tainted: [W]=WARN
[  170.841979][ T1403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.842404][ T1403] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 170.842765][ T1403] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  170.843949][ T1403] RSP: 0018:ffffc90001027080 EFLAGS: 00010246
[  170.844363][ T1403] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  170.844881][ T1403] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  170.845371][ T1403] RBP: ffffc90001027168 R08: 0000000000000000 R09: 0000000000000000
[  170.845882][ T1403] R10: ffffc90001027198 R11: ffffffff9a8a8918 R12: 1ffff92000204e14
[  170.846394][ T1403] R13: 00000000000005dc R14: ffffc90001027198 R15: ffff888004dd2f08
[  170.846923][ T1403] FS:  00007fb2b7d4f800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  170.847511][ T1403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.847938][ T1403] CR2: 00000000004a1738 CR3: 0000000002532005 CR4: 0000000000772ef0
[  170.848440][ T1403] PKRU: 55555554
[  170.848743][ T1403] Call Trace:
[  170.849011][ T1403]  <TASK>
[ 170.849215][ T1403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.849607][ T1403] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 170.849955][ T1403] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 170.850361][ T1403] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 170.850709][ T1403] netif_set_mtu (net/core/dev.c:9652) 
[ 170.851051][ T1403] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.851427][ T1403] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 170.851947][ T1403] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.852230][ T1403] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 170.852706][ T1403] br_add_if (net/bridge/br_if.c:697) bridge 
[ 170.853149][ T1403] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 170.853531][ T1403] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 170.853916][ T1403] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 170.854300][ T1403] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 170.854665][ T1403] ? __dev_get_by_name (net/core/dev.c:865) 
[ 170.855019][ T1403] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.855367][ T1403] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.855744][ T1403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.856076][ T1403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.856431][ T1403] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 170.856782][ T1403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.857133][ T1403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.857478][ T1403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.857829][ T1403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.858177][ T1403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.858532][ T1403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.858892][ T1403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.859240][ T1403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.859589][ T1403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.859966][ T1403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.860300][ T1403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.860647][ T1403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.860996][ T1403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 170.861340][ T1403] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 170.861700][ T1403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.862059][ T1403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.862406][ T1403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.862760][ T1403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.863125][ T1403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.863478][ T1403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.863831][ T1403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.864200][ T1403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.864623][ T1403] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 170.864966][ T1403] ___sys_sendmsg (net/socket.c:2670) 
[ 170.865301][ T1403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.865640][ T1403] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 170.865987][ T1403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.866331][ T1403] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 170.866696][ T1403] ? __handle_mm_fault (mm/memory.c:6212) 
[ 170.867051][ T1403] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 170.867391][ T1403] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 170.867761][ T1403] __sys_sendmsg (net/socket.c:2700) 
[ 170.868096][ T1403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.868438][ T1403] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 170.868814][ T1403] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 170.869149][ T1403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.869492][ T1403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.869838][ T1403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  170.870264][ T1403] RIP: 0033:0x7fb2b7f1c1e7
[ 170.870634][ T1403] Code: Unable to access opcode bytes at 0x7fb2b7f1c1bd.

Code starting with the faulting instruction
===========================================
[  170.871082][ T1403] RSP: 002b:00007ffe36a82978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  170.871633][ T1403] RAX: ffffffffffffffda RBX: 00007ffe36a830a0 RCX: 00007fb2b7f1c1e7
[  170.872182][ T1403] RDX: 0000000000000000 RSI: 00007ffe36a829e0 RDI: 0000000000000005
[  170.872704][ T1403] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  170.873232][ T1403] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe36a830d8
[  170.873758][ T1403] R13: 00000000686e5e70 R14: 0000000000499600 R15: 0000000000000000
| [  171.028332][ T1405] ------------[ cut here ]------------
| [ 171.028766][ T1405] WARNING: CPU: 2 PID: 1405 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  171.029415][ T1405] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  171.030673][ T1405] Tainted: [W]=WARN
[  171.030944][ T1405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.031371][ T1405] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 171.031736][ T1405] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  171.032888][ T1405] RSP: 0018:ffffc90001037080 EFLAGS: 00010246
[  171.033303][ T1405] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  171.033810][ T1405] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  171.034319][ T1405] RBP: ffffc90001037168 R08: 0000000000000000 R09: 0000000000000000
[  171.034833][ T1405] R10: ffffc90001037198 R11: ffffffff9a8a8918 R12: 1ffff92000206e14
[  171.035350][ T1405] R13: 00000000000005dc R14: ffffc90001037198 R15: ffff888004dd2f08
[  171.035858][ T1405] FS:  00007f9b4834b800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  171.036439][ T1405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.036875][ T1405] CR2: 00000000004a1738 CR3: 0000000009435004 CR4: 0000000000772ef0
[  171.037389][ T1405] PKRU: 55555554
[  171.037657][ T1405] Call Trace:
[  171.037980][ T1405]  <TASK>
[ 171.038180][ T1405] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.038547][ T1405] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 171.038909][ T1405] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 171.039341][ T1405] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 171.039699][ T1405] netif_set_mtu (net/core/dev.c:9652) 
[ 171.040038][ T1405] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.040384][ T1405] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 171.040881][ T1405] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.041140][ T1405] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 171.041597][ T1405] br_add_if (net/bridge/br_if.c:697) bridge 
[ 171.041973][ T1405] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 171.042303][ T1405] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 171.042673][ T1405] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 171.043022][ T1405] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 171.043348][ T1405] ? __dev_get_by_name (net/core/dev.c:865) 
[ 171.043719][ T1405] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.044055][ T1405] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.044406][ T1405] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.044746][ T1405] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.045086][ T1405] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 171.045432][ T1405] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.045834][ T1405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.046192][ T1405] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.046552][ T1405] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.046914][ T1405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.047259][ T1405] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.047625][ T1405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.048011][ T1405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.048377][ T1405] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.048753][ T1405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.049103][ T1405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.049471][ T1405] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.049834][ T1405] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 171.050181][ T1405] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 171.050520][ T1405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.050907][ T1405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.051262][ T1405] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.051628][ T1405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.051976][ T1405] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.052331][ T1405] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.052690][ T1405] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.053053][ T1405] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.053472][ T1405] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 171.053821][ T1405] ___sys_sendmsg (net/socket.c:2670) 
[ 171.054167][ T1405] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.054498][ T1405] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 171.054857][ T1405] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.055192][ T1405] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 171.055531][ T1405] ? __handle_mm_fault (mm/memory.c:6212) 
[ 171.055909][ T1405] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 171.056255][ T1405] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 171.056625][ T1405] __sys_sendmsg (net/socket.c:2700) 
[ 171.056975][ T1405] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.057303][ T1405] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 171.057671][ T1405] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 171.058009][ T1405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.058357][ T1405] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.058731][ T1405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.059158][ T1405] RIP: 0033:0x7f9b485181e7
[ 171.059515][ T1405] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  171.060705][ T1405] RSP: 002b:00007ffea92744c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.061224][ T1405] RAX: ffffffffffffffda RBX: 00007ffea9274bf0 RCX: 00007f9b485181e7
[  171.061722][ T1405] RDX: 0000000000000000 RSI: 00007ffea9274530 RDI: 0000000000000005
[  171.062220][ T1405] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  171.062749][ T1405] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffea9274c28
[  171.063261][ T1405] R13: 00000000686e5e70 R14: 0000000000499600 R15: 0000000000000000
| [  171.224657][ T1407] ------------[ cut here ]------------
| [ 171.224981][ T1407] WARNING: CPU: 0 PID: 1407 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  171.225622][ T1407] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  171.226766][ T1407] Tainted: [W]=WARN
[  171.227059][ T1407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.227477][ T1407] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 171.227831][ T1407] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  171.229051][ T1407] RSP: 0018:ffffc90000ff7080 EFLAGS: 00010246
[  171.229476][ T1407] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  171.229984][ T1407] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  171.230485][ T1407] RBP: ffffc90000ff7168 R08: 0000000000000000 R09: 0000000000000000
[  171.230999][ T1407] R10: ffffc90000ff7198 R11: ffffffff9a8a8918 R12: 1ffff920001fee14
[  171.231496][ T1407] R13: 00000000000005dc R14: ffffc90000ff7198 R15: ffff888004dd2f08
[  171.232012][ T1407] FS:  00007fa39978c800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  171.232602][ T1407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.233023][ T1407] CR2: 00000000004a1738 CR3: 000000000f9ca004 CR4: 0000000000772ef0
[  171.233564][ T1407] PKRU: 55555554
[  171.233843][ T1407] Call Trace:
[  171.234101][ T1407]  <TASK>
[ 171.234275][ T1407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.234633][ T1407] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 171.234974][ T1407] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 171.235391][ T1407] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 171.235734][ T1407] netif_set_mtu (net/core/dev.c:9652) 
[ 171.236083][ T1407] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.236435][ T1407] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 171.236920][ T1407] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.237202][ T1407] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 171.237691][ T1407] br_add_if (net/bridge/br_if.c:697) bridge 
[ 171.238064][ T1407] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 171.238443][ T1407] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 171.238812][ T1407] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 171.239151][ T1407] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 171.239483][ T1407] ? __dev_get_by_name (net/core/dev.c:865) 
[ 171.239828][ T1407] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.240164][ T1407] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.240503][ T1407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.240845][ T1407] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.241185][ T1407] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 171.241525][ T1407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.241872][ T1407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.242222][ T1407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.242591][ T1407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.242932][ T1407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.243272][ T1407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.243612][ T1407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.243951][ T1407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.244288][ T1407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.244648][ T1407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.244969][ T1407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.245316][ T1407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.245657][ T1407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 171.245993][ T1407] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 171.246362][ T1407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.246710][ T1407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.247054][ T1407] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.247394][ T1407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.247738][ T1407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.248078][ T1407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.248440][ T1407] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.248802][ T1407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.249240][ T1407] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 171.249603][ T1407] ___sys_sendmsg (net/socket.c:2670) 
[ 171.249945][ T1407] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.250279][ T1407] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 171.250624][ T1407] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.250957][ T1407] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 171.251295][ T1407] ? __handle_mm_fault (mm/memory.c:6212) 
[ 171.251641][ T1407] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 171.251970][ T1407] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 171.252347][ T1407] __sys_sendmsg (net/socket.c:2700) 
[ 171.252699][ T1407] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.253053][ T1407] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 171.253409][ T1407] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 171.254006][ T1407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.254348][ T1407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.254696][ T1407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.255358][ T1407] RIP: 0033:0x7fa3999591e7
[ 171.255719][ T1407] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  171.256951][ T1407] RSP: 002b:00007ffcd5c5e238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.257456][ T1407] RAX: ffffffffffffffda RBX: 00007ffcd5c5e960 RCX: 00007fa3999591e7
[  171.258003][ T1407] RDX: 0000000000000000 RSI: 00007ffcd5c5e2a0 RDI: 0000000000000005
[  171.258484][ T1407] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  171.259013][ T1407] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcd5c5e998
[  171.259504][ T1407] R13: 00000000686e5e71 R14: 0000000000499600 R15: 0000000000000000
| [  171.470559][ T1409] ------------[ cut here ]------------
| [ 171.470970][ T1409] WARNING: CPU: 3 PID: 1409 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  171.471615][ T1409] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  171.472829][ T1409] Tainted: [W]=WARN
[  171.473076][ T1409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.473477][ T1409] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 171.473900][ T1409] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  171.475797][ T1409] RSP: 0018:ffffc90000e67080 EFLAGS: 00010246
[  171.476488][ T1409] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  171.477340][ T1409] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  171.478202][ T1409] RBP: ffffc90000e67168 R08: 0000000000000000 R09: 0000000000000000
[  171.479032][ T1409] R10: ffffc90000e67198 R11: ffffffff9a8a8918 R12: 1ffff920001cce14
[  171.479848][ T1409] R13: 00000000000005dc R14: ffffc90000e67198 R15: ffff888004dd2f08
[  171.480670][ T1409] FS:  00007f72e66a3800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  171.481642][ T1409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.482333][ T1409] CR2: 000055e0f3b042a0 CR3: 000000000aa7e006 CR4: 0000000000772ef0
[  171.483163][ T1409] PKRU: 55555554
[  171.483586][ T1409] Call Trace:
[  171.483983][ T1409]  <TASK>
[ 171.484268][ T1409] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.484830][ T1409] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 171.485349][ T1409] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 171.486003][ T1409] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 171.486519][ T1409] netif_set_mtu (net/core/dev.c:9652) 
[ 171.487016][ T1409] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.487557][ T1409] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 171.488286][ T1409] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.488724][ T1409] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 171.489455][ T1409] br_add_if (net/bridge/br_if.c:697) bridge 
[ 171.490099][ T1409] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 171.490641][ T1409] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 171.491179][ T1409] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 171.491735][ T1409] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 171.492262][ T1409] ? __dev_get_by_name (net/core/dev.c:865) 
[ 171.492810][ T1409] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.493334][ T1409] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.493887][ T1409] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.494404][ T1409] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.494962][ T1409] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 171.495510][ T1409] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.496055][ T1409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.496623][ T1409] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.497146][ T1409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.497695][ T1409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.498212][ T1409] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.498767][ T1409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.499292][ T1409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.499837][ T1409] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.500359][ T1409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.500893][ T1409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.501447][ T1409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.501996][ T1409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 171.502526][ T1409] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 171.503074][ T1409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.503619][ T1409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.504165][ T1409] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.504716][ T1409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.505253][ T1409] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.505811][ T1409] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.506337][ T1409] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.506879][ T1409] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.507542][ T1409] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 171.508097][ T1409] ___sys_sendmsg (net/socket.c:2670) 
[ 171.508649][ T1409] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.509165][ T1409] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 171.509707][ T1409] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.510222][ T1409] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 171.510759][ T1409] ? __handle_mm_fault (mm/memory.c:6212) 
[ 171.511285][ T1409] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 171.511819][ T1409] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 171.512365][ T1409] __sys_sendmsg (net/socket.c:2700) 
[ 171.512889][ T1409] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.513403][ T1409] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 171.513927][ T1409] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 171.514494][ T1409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.515099][ T1409] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.515689][ T1409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.516380][ T1409] RIP: 0033:0x7f72e68701e7
[ 171.516989][ T1409] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  171.519092][ T1409] RSP: 002b:00007ffdfda1e418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.519982][ T1409] RAX: ffffffffffffffda RBX: 00007ffdfda1eb40 RCX: 00007f72e68701e7
[  171.520694][ T1409] RDX: 0000000000000000 RSI: 00007ffdfda1e480 RDI: 0000000000000005
[  171.521389][ T1409] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  171.522161][ T1409] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdfda1eb78
[  171.522932][ T1409] R13: 00000000686e5e71 R14: 0000000000499600 R15: 0000000000000000
| [  171.686314][ T1411] ------------[ cut here ]------------
| [ 171.686938][ T1411] WARNING: CPU: 0 PID: 1411 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  171.688025][ T1411] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  171.689474][ T1411] Tainted: [W]=WARN
[  171.689732][ T1411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.690131][ T1411] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 171.690457][ T1411] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  171.691589][ T1411] RSP: 0018:ffffc90001047080 EFLAGS: 00010246
[  171.692014][ T1411] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  171.692491][ T1411] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  171.692968][ T1411] RBP: ffffc90001047168 R08: 0000000000000000 R09: 0000000000000000
[  171.693446][ T1411] R10: ffffc90001047198 R11: ffffffff9a8a8918 R12: 1ffff92000208e14
[  171.693951][ T1411] R13: 00000000000005dc R14: ffffc90001047198 R15: ffff888004dd2f08
[  171.694437][ T1411] FS:  00007f67ac19f800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  171.694990][ T1411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.695396][ T1411] CR2: 00000000004a1738 CR3: 000000000f79e002 CR4: 0000000000772ef0
[  171.695877][ T1411] PKRU: 55555554
[  171.696119][ T1411] Call Trace:
[  171.696357][ T1411]  <TASK>
[ 171.696529][ T1411] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.696858][ T1411] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 171.697206][ T1411] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 171.697608][ T1411] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 171.697924][ T1411] netif_set_mtu (net/core/dev.c:9652) 
[ 171.698244][ T1411] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.698590][ T1411] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 171.699025][ T1411] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.699273][ T1411] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 171.699708][ T1411] br_add_if (net/bridge/br_if.c:697) bridge 
[ 171.700064][ T1411] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 171.700395][ T1411] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 171.700729][ T1411] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 171.701067][ T1411] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 171.701396][ T1411] ? __dev_get_by_name (net/core/dev.c:865) 
[ 171.701724][ T1411] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.702057][ T1411] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.702387][ T1411] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.702710][ T1411] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.703030][ T1411] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 171.703362][ T1411] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.703694][ T1411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.704023][ T1411] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.704337][ T1411] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.704665][ T1411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.704981][ T1411] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.705304][ T1411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.705635][ T1411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.705961][ T1411] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.706288][ T1411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.706611][ T1411] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.706938][ T1411] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.707260][ T1411] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 171.707588][ T1411] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 171.707908][ T1411] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.708232][ T1411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.708582][ T1411] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.708906][ T1411] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.709234][ T1411] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.709574][ T1411] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.709899][ T1411] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.710219][ T1411] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.710626][ T1411] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 171.710947][ T1411] ___sys_sendmsg (net/socket.c:2670) 
[ 171.711274][ T1411] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.711599][ T1411] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 171.711917][ T1411] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.712242][ T1411] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 171.712577][ T1411] ? __handle_mm_fault (mm/memory.c:6212) 
[ 171.712893][ T1411] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 171.713217][ T1411] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 171.713549][ T1411] __sys_sendmsg (net/socket.c:2700) 
[ 171.713903][ T1411] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.714244][ T1411] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 171.714579][ T1411] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 171.714901][ T1411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.715229][ T1411] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.715543][ T1411] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.715948][ T1411] RIP: 0033:0x7f67ac36c1e7
[ 171.716285][ T1411] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  171.717419][ T1411] RSP: 002b:00007ffc306de4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.717909][ T1411] RAX: ffffffffffffffda RBX: 00007ffc306debd0 RCX: 00007f67ac36c1e7
[  171.718386][ T1411] RDX: 0000000000000000 RSI: 00007ffc306de510 RDI: 0000000000000005
[  171.718901][ T1411] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  171.719378][ T1411] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc306dec08
[  171.719871][ T1411] R13: 00000000686e5e71 R14: 0000000000499600 R15: 0000000000000000
| [  171.880978][ T1413] ------------[ cut here ]------------
| [ 171.881347][ T1413] WARNING: CPU: 2 PID: 1413 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  171.882181][ T1413] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  171.883553][ T1413] Tainted: [W]=WARN
[  171.883835][ T1413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.884261][ T1413] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 171.884619][ T1413] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  171.885973][ T1413] RSP: 0000:ffffc90001047080 EFLAGS: 00010246
[  171.886519][ T1413] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  171.887029][ T1413] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  171.887542][ T1413] RBP: ffffc90001047168 R08: 0000000000000000 R09: 0000000000000000
[  171.888046][ T1413] R10: ffffc90001047198 R11: ffffffff9a8a8918 R12: 1ffff92000208e14
[  171.888590][ T1413] R13: 00000000000005dc R14: ffffc90001047198 R15: ffff888004dd2f08
[  171.889126][ T1413] FS:  00007f8b13be5800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  171.889724][ T1413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.890146][ T1413] CR2: 00007efe47dc4ba0 CR3: 000000000f450003 CR4: 0000000000772ef0
[  171.890656][ T1413] PKRU: 55555554
[  171.890912][ T1413] Call Trace:
[  171.891163][ T1413]  <TASK>
[ 171.891361][ T1413] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.891714][ T1413] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 171.892049][ T1413] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 171.892477][ T1413] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 171.892829][ T1413] netif_set_mtu (net/core/dev.c:9652) 
[ 171.893162][ T1413] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.893519][ T1413] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 171.893991][ T1413] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.894328][ T1413] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 171.894852][ T1413] br_add_if (net/bridge/br_if.c:697) bridge 
[ 171.895304][ T1413] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 171.895661][ T1413] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 171.895991][ T1413] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 171.896389][ T1413] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 171.896728][ T1413] ? __dev_get_by_name (net/core/dev.c:865) 
[ 171.897061][ T1413] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.897394][ T1413] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.897744][ T1413] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.898067][ T1413] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.898404][ T1413] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 171.898894][ T1413] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.899253][ T1413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.899634][ T1413] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.899967][ T1413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.900305][ T1413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.900645][ T1413] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.900976][ T1413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.901328][ T1413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.901677][ T1413] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.902007][ T1413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.902334][ T1413] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.902695][ T1413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.903026][ T1413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 171.903392][ T1413] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 171.903745][ T1413] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.904075][ T1413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.904408][ T1413] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.904750][ T1413] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.905083][ T1413] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.905422][ T1413] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.905765][ T1413] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.906093][ T1413] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.906500][ T1413] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 171.906843][ T1413] ___sys_sendmsg (net/socket.c:2670) 
[ 171.907173][ T1413] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.907543][ T1413] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 171.907891][ T1413] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.908220][ T1413] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 171.908584][ T1413] ? __handle_mm_fault (mm/memory.c:6212) 
[ 171.908915][ T1413] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 171.909248][ T1413] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 171.909614][ T1413] __sys_sendmsg (net/socket.c:2700) 
[ 171.909976][ T1413] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.910308][ T1413] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 171.910655][ T1413] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 171.910987][ T1413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.911350][ T1413] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.911693][ T1413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.912094][ T1413] RIP: 0033:0x7f8b13db21e7
[ 171.912436][ T1413] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  171.913578][ T1413] RSP: 002b:00007ffd71977918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.914064][ T1413] RAX: ffffffffffffffda RBX: 00007ffd71978040 RCX: 00007f8b13db21e7
[  171.914557][ T1413] RDX: 0000000000000000 RSI: 00007ffd71977980 RDI: 0000000000000005
[  171.915054][ T1413] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  171.915578][ T1413] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd71978078
[  171.916063][ T1413] R13: 00000000686e5e71 R14: 0000000000499600 R15: 0000000000000000
| [  172.105594][ T1415] ------------[ cut here ]------------
| [ 172.105913][ T1415] WARNING: CPU: 0 PID: 1415 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  172.106531][ T1415] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  172.107775][ T1415] Tainted: [W]=WARN
[  172.108017][ T1415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 172.108415][ T1415] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 172.108772][ T1415] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  172.109901][ T1415] RSP: 0018:ffffc90001007080 EFLAGS: 00010246
[  172.110300][ T1415] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  172.110780][ T1415] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  172.111256][ T1415] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000
[  172.111748][ T1415] R10: ffffc90001007198 R11: ffffffff9a8a8918 R12: 1ffff92000200e14
[  172.112229][ T1415] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff888004dd2f08
[  172.112720][ T1415] FS:  00007f9e1d814800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  172.113277][ T1415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  172.113687][ T1415] CR2: 00007efe47fbca00 CR3: 00000000091d1003 CR4: 0000000000772ef0
[  172.114161][ T1415] PKRU: 55555554
[  172.114398][ T1415] Call Trace:
[  172.114645][ T1415]  <TASK>
[ 172.114809][ T1415] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 172.115131][ T1415] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 172.115447][ T1415] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 172.115856][ T1415] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 172.116181][ T1415] netif_set_mtu (net/core/dev.c:9652) 
[ 172.116496][ T1415] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 172.116834][ T1415] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 172.117272][ T1415] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 172.117512][ T1415] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 172.117949][ T1415] br_add_if (net/bridge/br_if.c:697) bridge 
[ 172.118311][ T1415] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 172.118649][ T1415] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 172.118969][ T1415] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 172.119291][ T1415] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 172.119616][ T1415] ? __dev_get_by_name (net/core/dev.c:865) 
[ 172.119938][ T1415] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 172.120263][ T1415] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 172.120590][ T1415] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 172.120903][ T1415] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 172.121232][ T1415] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 172.121611][ T1415] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 172.121952][ T1415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 172.122289][ T1415] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 172.122752][ T1415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 172.123323][ T1415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 172.123928][ T1415] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 172.124522][ T1415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 172.124925][ T1415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 172.125266][ T1415] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 172.125638][ T1415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 172.125974][ T1415] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 172.126316][ T1415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 172.126675][ T1415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 172.127006][ T1415] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 172.127324][ T1415] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 172.127837][ T1415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 172.128398][ T1415] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 172.129015][ T1415] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 172.129466][ T1415] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 172.129831][ T1415] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 172.130156][ T1415] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 172.130473][ T1415] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 172.130903][ T1415] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 172.131224][ T1415] ___sys_sendmsg (net/socket.c:2670) 
[ 172.131586][ T1415] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 172.131905][ T1415] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 172.132223][ T1415] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 172.132610][ T1415] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 172.133193][ T1415] ? __handle_mm_fault (mm/memory.c:6212) 
[ 172.133684][ T1415] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 172.134004][ T1415] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 172.134339][ T1415] __sys_sendmsg (net/socket.c:2700) 
[ 172.134684][ T1415] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 172.135005][ T1415] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 172.135356][ T1415] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 172.135745][ T1415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 172.136069][ T1415] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 172.136403][ T1415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  172.136843][ T1415] RIP: 0033:0x7f9e1d9e11e7
[ 172.137182][ T1415] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  172.138367][ T1415] RSP: 002b:00007ffddb29a5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  172.138903][ T1415] RAX: ffffffffffffffda RBX: 00007ffddb29acf0 RCX: 00007f9e1d9e11e7
[  172.139396][ T1415] RDX: 0000000000000000 RSI: 00007ffddb29a630 RDI: 0000000000000005
[  172.139875][ T1415] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  172.140386][ T1415] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffddb29ad28
[  172.140898][ T1415] R13: 00000000686e5e71 R14: 0000000000499600 R15: 0000000000000000
| [  172.318738][ T1418] ------------[ cut here ]------------
| [ 172.319145][ T1418] WARNING: CPU: 2 PID: 1418 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  172.320117][ T1418] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  172.321329][ T1418] Tainted: [W]=WARN
[  172.321602][ T1418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 172.322041][ T1418] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 172.322391][ T1418] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  172.323872][ T1418] RSP: 0018:ffffc90000fe7080 EFLAGS: 00010246
[  172.324473][ T1418] RAX: 0000000000000000 RBX: ffff888004dd2000 RCX: 0000000000000001
[  172.325279][ T1418] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  172.326169][ T1418] RBP: ffffc90000fe7168 R08: 0000000000000000 R09: 0000000000000000
[  172.327053][ T1418] R10: ffffc90000fe7198 R11: ffffffff9a8a8918 R12: 1ffff920001fce14
[  172.327939][ T1418] R13: 00000000000005dc R14: ffffc90000fe7198 R15: ffff888004dd2f08
[  172.328505][ T1418] FS:  00007faf7b9ad800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  172.329160][ T1418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  172.329822][ T1418] CR2: 00000000004a1738 CR3: 000000000bd01004 CR4: 0000000000772ef0
[  172.330457][ T1418] PKRU: 55555554
[  172.330737][ T1418] Call Trace:
[  172.331013][ T1418]  <TASK>
[ 172.331294][ T1418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 172.331838][ T1418] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 172.332261][ T1418] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 172.332903][ T1418] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 172.333504][ T1418] netif_set_mtu (net/core/dev.c:9652) 
[ 172.334106][ T1418] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 172.334723][ T1418] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 172.335508][ T1418] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 172.335888][ T1418] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 172.336449][ T1418] br_add_if (net/bridge/br_if.c:697) bridge 
[ 172.336952][ T1418] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 172.337401][ T1418] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 172.337969][ T1418] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 172.338606][ T1418] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 172.339203][ T1418] ? __dev_get_by_name (net/core/dev.c:865) 
[ 172.339685][ T1418] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 172.340133][ T1418] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 172.340499][ T1418] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 172.341019][ T1418] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 172.341470][ T1418] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 172.341952][ T1418] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 172.342373][ T1418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 172.342958][ T1418] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 172.343460][ T1418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 172.343911][ T1418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 172.344405][ T1418] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 172.344837][ T1418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 172.345304][ T1418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 172.345669][ T1418] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 172.346077][ T1418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 172.346680][ T1418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 172.347283][ T1418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 172.347870][ T1418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 172.348406][ T1418] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 172.348865][ T1418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 172.349341][ T1418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 172.349798][ T1418] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 172.350369][ T1418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 172.350889][ T1418] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 172.351367][ T1418] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 172.351835][ T1418] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 172.352234][ T1418] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 172.352852][ T1418] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 172.353302][ T1418] ___sys_sendmsg (net/socket.c:2670) 
[ 172.353853][ T1418] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 172.354357][ T1418] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 172.354795][ T1418] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 172.355198][ T1418] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 172.355533][ T1418] ? __handle_mm_fault (mm/memory.c:6212) 
[ 172.355986][ T1418] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 172.356318][ T1418] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 172.356680][ T1418] __sys_sendmsg (net/socket.c:2700) 
[ 172.357035][ T1418] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 172.357493][ T1418] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 172.357979][ T1418] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 172.358604][ T1418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 172.359191][ T1418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 172.359638][ T1418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  172.360237][ T1418] RIP: 0033:0x7faf7bb7a1e7
[ 172.360658][ T1418] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  172.361934][ T1418] RSP: 002b:00007ffd3b8b72a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  172.362542][ T1418] RAX: ffffffffffffffda RBX: 00007ffd3b8b79d0 RCX: 00007faf7bb7a1e7
[  172.363160][ T1418] RDX: 0000000000000000 RSI: 00007ffd3b8b7310 RDI: 0000000000000005
[  172.363827][ T1418] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  172.364474][ T1418] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd3b8b7a08
[  172.364997][ T1418] R13: 00000000686e5e72 R14: 0000000000499600 R15: 0000000000000000
| [  463.402972][T18024] ------------[ cut here ]------------
| [463.403341][T18024] WARNING: CPU: 0 PID: 18024 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  463.404050][T18024] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  463.405432][T18024] Tainted: [W]=WARN
[  463.405860][T18024] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[463.406282][T18024] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 463.406804][T18024] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  463.408205][T18024] RSP: 0018:ffffc90004217080 EFLAGS: 00010246
[  463.408841][T18024] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  463.409318][T18024] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  463.410023][T18024] RBP: ffffc90004217168 R08: 0000000000000000 R09: 0000000000000000
[  463.410515][T18024] R10: ffffc90004217198 R11: ffffffff9a8a8918 R12: 1ffff92000842e14
[  463.411167][T18024] R13: 00000000000005dc R14: ffffc90004217198 R15: ffff888010c9af08
[  463.411821][T18024] FS:  00007fd23381f800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  463.412413][T18024] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.412968][T18024] CR2: 00000000004a1738 CR3: 0000000012f86003 CR4: 0000000000772ef0
[  463.413452][T18024] PKRU: 55555554
[  463.413837][T18024] Call Trace:
[  463.414072][T18024]  <TASK>
[463.414238][T18024] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[463.414561][T18024] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[463.414899][T18024] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[463.415314][T18024] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[463.415639][T18024] netif_set_mtu (net/core/dev.c:9652) 
[463.415966][T18024] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[463.416322][T18024] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[463.416802][T18024] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[463.417041][T18024] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[463.417468][T18024] br_add_if (net/bridge/br_if.c:697) bridge 
[463.417841][T18024] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[463.418156][T18024] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[463.418483][T18024] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[463.418844][T18024] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[463.419173][T18024] ? __dev_get_by_name (net/core/dev.c:865) 
[463.419502][T18024] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.419861][T18024] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.420235][T18024] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[463.420559][T18024] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[463.420909][T18024] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[463.421245][T18024] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[463.421589][T18024] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.421917][T18024] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[463.422245][T18024] ? __lock_release (kernel/locking/lockdep.c:5539) 
[463.422564][T18024] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.422889][T18024] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[463.423212][T18024] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.423534][T18024] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.423861][T18024] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[463.424216][T18024] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.424551][T18024] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[463.424891][T18024] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[463.425209][T18024] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[463.425580][T18024] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[463.425916][T18024] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[463.426244][T18024] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.426633][T18024] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[463.426962][T18024] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[463.427277][T18024] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[463.427608][T18024] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[463.427940][T18024] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[463.428286][T18024] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[463.428708][T18024] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[463.429058][T18024] ___sys_sendmsg (net/socket.c:2670) 
[463.429383][T18024] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[463.429711][T18024] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[463.430070][T18024] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[463.430416][T18024] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[463.430766][T18024] ? __handle_mm_fault (mm/memory.c:6212) 
[463.431099][T18024] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[463.431446][T18024] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[463.431808][T18024] __sys_sendmsg (net/socket.c:2700) 
[463.432172][T18024] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[463.432529][T18024] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[463.432868][T18024] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[463.433192][T18024] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[463.433513][T18024] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[463.433851][T18024] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.434245][T18024] RIP: 0033:0x7fd2339ec1e7
[ 463.434577][T18024] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  463.435781][T18024] RSP: 002b:00007ffcc58380c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.436311][T18024] RAX: ffffffffffffffda RBX: 00007ffcc58387f0 RCX: 00007fd2339ec1e7
[  463.436797][T18024] RDX: 0000000000000000 RSI: 00007ffcc5838130 RDI: 0000000000000005
[  463.437341][T18024] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  463.437851][T18024] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc5838828
[  463.438362][T18024] R13: 00000000686e5f95 R14: 0000000000499600 R15: 0000000000000000
| [  463.576543][T18026] ------------[ cut here ]------------
| [463.576884][T18026] WARNING: CPU: 3 PID: 18026 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  463.577544][T18026] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  463.578719][T18026] Tainted: [W]=WARN
[  463.578981][T18026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[463.579376][T18026] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 463.579728][T18026] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  463.580921][T18026] RSP: 0018:ffffc900092e7080 EFLAGS: 00010246
[  463.581348][T18026] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  463.581900][T18026] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  463.582385][T18026] RBP: ffffc900092e7168 R08: 0000000000000000 R09: 0000000000000000
[  463.582904][T18026] R10: ffffc900092e7198 R11: ffffffff9a8a8918 R12: 1ffff9200125ce14
[  463.583407][T18026] R13: 00000000000005dc R14: ffffc900092e7198 R15: ffff888010c9af08
[  463.583905][T18026] FS:  00007f3ab37ba800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  463.584477][T18026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.584888][T18026] CR2: 00000000004a1738 CR3: 0000000010eed005 CR4: 0000000000772ef0
[  463.585419][T18026] PKRU: 55555554
[  463.585683][T18026] Call Trace:
[  463.585925][T18026]  <TASK>
[463.586098][T18026] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[463.586441][T18026] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[463.586769][T18026] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[463.587178][T18026] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[463.587492][T18026] netif_set_mtu (net/core/dev.c:9652) 
[463.587835][T18026] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[463.588162][T18026] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[463.588638][T18026] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[463.588907][T18026] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[463.589352][T18026] br_add_if (net/bridge/br_if.c:697) bridge 
[463.589730][T18026] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[463.590133][T18026] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[463.590455][T18026] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[463.590795][T18026] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[463.591130][T18026] ? __dev_get_by_name (net/core/dev.c:865) 
[463.591443][T18026] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.591771][T18026] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.592105][T18026] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[463.592419][T18026] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[463.592758][T18026] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[463.593123][T18026] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[463.593444][T18026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.593810][T18026] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[463.594157][T18026] ? __lock_release (kernel/locking/lockdep.c:5539) 
[463.594477][T18026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.594832][T18026] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[463.595195][T18026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.595523][T18026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.595878][T18026] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[463.596198][T18026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.596516][T18026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[463.596851][T18026] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[463.597167][T18026] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[463.597485][T18026] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[463.597815][T18026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[463.598137][T18026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.598461][T18026] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[463.598787][T18026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[463.599131][T18026] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[463.599465][T18026] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[463.599811][T18026] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[463.600134][T18026] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[463.600565][T18026] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[463.600901][T18026] ___sys_sendmsg (net/socket.c:2670) 
[463.601231][T18026] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[463.601552][T18026] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[463.601880][T18026] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[463.602194][T18026] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[463.602757][T18026] ? __handle_mm_fault (mm/memory.c:6212) 
[463.603073][T18026] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[463.603384][T18026] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[463.603722][T18026] __sys_sendmsg (net/socket.c:2700) 
[463.604041][T18026] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[463.604347][T18026] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[463.605369][T18026] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[463.605707][T18026] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[463.606255][T18026] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[463.606577][T18026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.607199][T18026] RIP: 0033:0x7f3ab39871e7
[ 463.607531][T18026] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  463.608701][T18026] RSP: 002b:00007fffb6f5b968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.609230][T18026] RAX: ffffffffffffffda RBX: 00007fffb6f5c090 RCX: 00007f3ab39871e7
[  463.609731][T18026] RDX: 0000000000000000 RSI: 00007fffb6f5b9d0 RDI: 0000000000000005
[  463.610206][T18026] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  463.610700][T18026] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb6f5c0c8
[  463.611180][T18026] R13: 00000000686e5f95 R14: 0000000000499600 R15: 0000000000000000
| [  463.797212][T18028] ------------[ cut here ]------------
| [463.797555][T18028] WARNING: CPU: 2 PID: 18028 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  463.798236][T18028] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  463.799474][T18028] Tainted: [W]=WARN
[  463.799765][T18028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[463.800197][T18028] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 463.800589][T18028] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  463.801788][T18028] RSP: 0000:ffffc900092d7080 EFLAGS: 00010246
[  463.802229][T18028] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  463.802746][T18028] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  463.803255][T18028] RBP: ffffc900092d7168 R08: 0000000000000000 R09: 0000000000000000
[  463.803773][T18028] R10: ffffc900092d7198 R11: ffffffff9a8a8918 R12: 1ffff9200125ae14
[  463.804284][T18028] R13: 00000000000005dc R14: ffffc900092d7198 R15: ffff888010c9af08
[  463.804804][T18028] FS:  00007f1da2713800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  463.805394][T18028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.805830][T18028] CR2: 00007efe48150920 CR3: 000000000f83a005 CR4: 0000000000772ef0
[  463.806341][T18028] PKRU: 55555554
[  463.806611][T18028] Call Trace:
[  463.806900][T18028]  <TASK>
[463.807086][T18028] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[463.807440][T18028] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[463.807793][T18028] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[463.808218][T18028] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[463.808575][T18028] netif_set_mtu (net/core/dev.c:9652) 
[463.808934][T18028] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[463.809291][T18028] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[463.809772][T18028] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[463.810036][T18028] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[463.810491][T18028] br_add_if (net/bridge/br_if.c:697) bridge 
[463.810887][T18028] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[463.811240][T18028] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[463.811602][T18028] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[463.811952][T18028] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[463.812291][T18028] ? __dev_get_by_name (net/core/dev.c:865) 
[463.812639][T18028] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.812981][T18028] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.813333][T18028] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[463.813682][T18028] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[463.814036][T18028] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[463.814387][T18028] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[463.814746][T18028] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.815099][T18028] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[463.815439][T18028] ? __lock_release (kernel/locking/lockdep.c:5539) 
[463.815793][T18028] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.816154][T18028] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[463.816510][T18028] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.816868][T18028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.817219][T18028] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[463.817562][T18028] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.817916][T18028] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[463.818276][T18028] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[463.818662][T18028] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[463.819059][T18028] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[463.819410][T18028] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[463.819773][T18028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.820134][T18028] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[463.820480][T18028] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[463.820836][T18028] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[463.821186][T18028] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[463.821530][T18028] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[463.821881][T18028] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[463.822313][T18028] ___sys_sendmsg (net/socket.c:2670) 
[463.822673][T18028] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[463.823021][T18028] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[463.823375][T18028] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[463.823723][T18028] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[463.824072][T18028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.824420][T18028] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[463.824773][T18028] __sys_sendmsg (net/socket.c:2700) 
[463.825120][T18028] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[463.825480][T18028] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[463.825833][T18028] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[463.826179][T18028] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.826610][T18028] RIP: 0033:0x7f1da28e01e7
[ 463.826962][T18028] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  463.828196][T18028] RSP: 002b:00007ffee66b3e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.828729][T18028] RAX: ffffffffffffffda RBX: 00007ffee66b4560 RCX: 00007f1da28e01e7
[  463.829247][T18028] RDX: 0000000000000000 RSI: 00007ffee66b3ea0 RDI: 0000000000000005
[  463.829768][T18028] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  463.830274][T18028] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee66b4598
[  463.830781][T18028] R13: 00000000686e5f95 R14: 0000000000499600 R15: 0000000000000000
| [  464.004550][T18031] ------------[ cut here ]------------
| [464.004918][T18031] WARNING: CPU: 2 PID: 18031 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  464.005606][T18031] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  464.006831][T18031] Tainted: [W]=WARN
[  464.007093][T18031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[464.007515][T18031] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 464.007878][T18031] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  464.009099][T18031] RSP: 0018:ffffc900092b7080 EFLAGS: 00010246
[  464.009534][T18031] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  464.010050][T18031] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  464.010564][T18031] RBP: ffffc900092b7168 R08: 0000000000000000 R09: 0000000000000000
[  464.011083][T18031] R10: ffffc900092b7198 R11: ffffffff9a8a8918 R12: 1ffff92001256e14
[  464.011598][T18031] R13: 00000000000005dc R14: ffffc900092b7198 R15: ffff888010c9af08
[  464.012108][T18031] FS:  00007f0b22833800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  464.012707][T18031] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  464.013133][T18031] CR2: 00000000004a1738 CR3: 0000000012c32002 CR4: 0000000000772ef0
[  464.013652][T18031] PKRU: 55555554
[  464.013914][T18031] Call Trace:
[  464.014174][T18031]  <TASK>
[464.014357][T18031] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[464.014720][T18031] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[464.015070][T18031] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[464.015509][T18031] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[464.015887][T18031] netif_set_mtu (net/core/dev.c:9652) 
[464.016235][T18031] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[464.016596][T18031] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[464.017070][T18031] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[464.017333][T18031] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[464.017807][T18031] br_add_if (net/bridge/br_if.c:697) bridge 
[464.018193][T18031] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[464.018538][T18031] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[464.018908][T18031] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[464.019267][T18031] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[464.019616][T18031] ? __dev_get_by_name (net/core/dev.c:865) 
[464.019963][T18031] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.020330][T18031] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.020693][T18031] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[464.021036][T18031] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.021384][T18031] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[464.021748][T18031] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[464.022344][T18031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.022719][T18031] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[464.023079][T18031] ? __lock_release (kernel/locking/lockdep.c:5539) 
[464.023428][T18031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.023785][T18031] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[464.024130][T18031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.024487][T18031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.024850][T18031] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[464.025195][T18031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.025542][T18031] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[464.026149][T18031] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[464.026494][T18031] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[464.026851][T18031] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[464.027211][T18031] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[464.027561][T18031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.027918][T18031] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[464.028269][T18031] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[464.028621][T18031] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[464.029478][T18031] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[464.029840][T18031] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[464.030185][T18031] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[464.030619][T18031] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[464.030976][T18031] ___sys_sendmsg (net/socket.c:2670) 
[464.031331][T18031] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[464.031685][T18031] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[464.032262][T18031] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.032609][T18031] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[464.032957][T18031] ? __handle_mm_fault (mm/memory.c:6212) 
[464.033532][T18031] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[464.033886][T18031] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[464.034248][T18031] __sys_sendmsg (net/socket.c:2700) 
[464.034603][T18031] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[464.034942][T18031] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[464.035519][T18031] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[464.035868][T18031] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[464.036211][T18031] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[464.036554][T18031] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  464.036988][T18031] RIP: 0033:0x7f0b22a001e7
[ 464.037360][T18031] Code: Unable to access opcode bytes at 0x7f0b22a001bd.

Code starting with the faulting instruction
===========================================
[  464.037800][T18031] RSP: 002b:00007ffff23c0c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.038305][T18031] RAX: ffffffffffffffda RBX: 00007ffff23c1340 RCX: 00007f0b22a001e7
[  464.038838][T18031] RDX: 0000000000000000 RSI: 00007ffff23c0c80 RDI: 0000000000000005
[  464.039346][T18031] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  464.039862][T18031] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff23c1378
[  464.040366][T18031] R13: 00000000686e5f95 R14: 0000000000499600 R15: 0000000000000000
| [  464.220218][T18033] ------------[ cut here ]------------
| [464.220526][T18033] WARNING: CPU: 0 PID: 18033 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  464.221170][T18033] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  464.222310][T18033] Tainted: [W]=WARN
[  464.222550][T18033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[464.222952][T18033] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 464.223279][T18033] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  464.224406][T18033] RSP: 0018:ffffc900092e7080 EFLAGS: 00010246
[  464.224810][T18033] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  464.225282][T18033] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  464.225791][T18033] RBP: ffffc900092e7168 R08: 0000000000000000 R09: 0000000000000000
[  464.226260][T18033] R10: ffffc900092e7198 R11: ffffffff9a8a8918 R12: 1ffff9200125ce14
[  464.226734][T18033] R13: 00000000000005dc R14: ffffc900092e7198 R15: ffff888010c9af08
[  464.227207][T18033] FS:  00007fb9a3d93800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  464.227758][T18033] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  464.228154][T18033] CR2: 00007fb9a4058430 CR3: 0000000010f5f001 CR4: 0000000000772ef0
[  464.228633][T18033] PKRU: 55555554
[  464.228878][T18033] Call Trace:
[  464.229112][T18033]  <TASK>
[464.229278][T18033] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[464.229606][T18033] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[464.229921][T18033] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[464.230317][T18033] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[464.230646][T18033] netif_set_mtu (net/core/dev.c:9652) 
[464.230960][T18033] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[464.231292][T18033] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[464.231733][T18033] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[464.231971][T18033] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[464.232415][T18033] br_add_if (net/bridge/br_if.c:697) bridge 
[464.232783][T18033] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[464.233097][T18033] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[464.233418][T18033] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[464.233749][T18033] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[464.234063][T18033] ? __dev_get_by_name (net/core/dev.c:865) 
[464.234375][T18033] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.234694][T18033] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.235013][T18033] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[464.235322][T18033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.235651][T18033] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[464.235978][T18033] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[464.236328][T18033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.236662][T18033] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[464.236976][T18033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[464.237295][T18033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.237620][T18033] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[464.237948][T18033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.238267][T18033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.238595][T18033] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[464.238924][T18033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.239261][T18033] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[464.239611][T18033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[464.239930][T18033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[464.240310][T18033] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[464.240674][T18033] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[464.241003][T18033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.241355][T18033] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[464.241701][T18033] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[464.242063][T18033] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[464.242400][T18033] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[464.242745][T18033] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[464.243067][T18033] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[464.243473][T18033] ___sys_sendmsg (net/socket.c:2670) 
[464.243804][T18033] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[464.244117][T18033] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[464.244434][T18033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.244759][T18033] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[464.245080][T18033] ? __handle_mm_fault (mm/memory.c:6212) 
[464.245395][T18033] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[464.245715][T18033] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[464.246078][T18033] __sys_sendmsg (net/socket.c:2700) 
[464.246417][T18033] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[464.246764][T18033] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[464.247117][T18033] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[464.247455][T18033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[464.247797][T18033] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[464.248135][T18033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  464.248545][T18033] RIP: 0033:0x7fb9a3f601e7
[ 464.248913][T18033] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  464.250090][T18033] RSP: 002b:00007ffdb59919a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.250598][T18033] RAX: ffffffffffffffda RBX: 00007ffdb59920d0 RCX: 00007fb9a3f601e7
[  464.251094][T18033] RDX: 0000000000000000 RSI: 00007ffdb5991a10 RDI: 0000000000000005
[  464.251577][T18033] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  464.252071][T18033] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdb5992108
[  464.252564][T18033] R13: 00000000686e5f96 R14: 0000000000499600 R15: 0000000000000000
| [  464.415829][T18035] ------------[ cut here ]------------
| [464.416147][T18035] WARNING: CPU: 0 PID: 18035 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  464.416821][T18035] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  464.418056][T18035] Tainted: [W]=WARN
[  464.418304][T18035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[464.418723][T18035] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 464.419116][T18035] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  464.420378][T18035] RSP: 0018:ffffc90009297080 EFLAGS: 00010246
[  464.420809][T18035] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  464.421307][T18035] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  464.421818][T18035] RBP: ffffc90009297168 R08: 0000000000000000 R09: 0000000000000000
[  464.422326][T18035] R10: ffffc90009297198 R11: ffffffff9a8a8918 R12: 1ffff92001252e14
[  464.422840][T18035] R13: 00000000000005dc R14: ffffc90009297198 R15: ffff888010c9af08
[  464.423334][T18035] FS:  00007f73cefb6800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  464.423917][T18035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  464.424328][T18035] CR2: 00000000004a1738 CR3: 000000000a1f8004 CR4: 0000000000772ef0
[  464.424830][T18035] PKRU: 55555554
[  464.425077][T18035] Call Trace:
[  464.425315][T18035]  <TASK>
[464.425496][T18035] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[464.425839][T18035] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[464.426157][T18035] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[464.426562][T18035] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[464.426898][T18035] netif_set_mtu (net/core/dev.c:9652) 
[464.427212][T18035] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[464.427557][T18035] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[464.428010][T18035] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[464.428260][T18035] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[464.428711][T18035] br_add_if (net/bridge/br_if.c:697) bridge 
[464.429090][T18035] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[464.429416][T18035] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[464.429746][T18035] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[464.430110][T18035] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[464.430443][T18035] ? __dev_get_by_name (net/core/dev.c:865) 
[464.430800][T18035] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.431118][T18035] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.431452][T18035] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[464.431781][T18035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.432157][T18035] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[464.432541][T18035] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[464.432903][T18035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.433251][T18035] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[464.433575][T18035] ? __lock_release (kernel/locking/lockdep.c:5539) 
[464.433917][T18035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.434246][T18035] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[464.434580][T18035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.434903][T18035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.435237][T18035] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[464.435550][T18035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.435875][T18035] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[464.436206][T18035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[464.436519][T18035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[464.436840][T18035] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[464.437177][T18035] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[464.437494][T18035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.437822][T18035] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[464.438142][T18035] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[464.438455][T18035] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[464.438785][T18035] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[464.439115][T18035] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[464.439426][T18035] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[464.439829][T18035] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[464.440149][T18035] ___sys_sendmsg (net/socket.c:2670) 
[464.440468][T18035] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[464.440791][T18035] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[464.441107][T18035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.441417][T18035] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[464.441745][T18035] ? __handle_mm_fault (mm/memory.c:6212) 
[464.442057][T18035] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[464.442378][T18035] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[464.442745][T18035] __sys_sendmsg (net/socket.c:2700) 
[464.443060][T18035] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[464.443373][T18035] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[464.443707][T18035] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[464.444024][T18035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[464.444341][T18035] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[464.444663][T18035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  464.445056][T18035] RIP: 0033:0x7f73cf1831e7
[ 464.445422][T18035] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  464.446582][T18035] RSP: 002b:00007ffcccb7e5a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.447103][T18035] RAX: ffffffffffffffda RBX: 00007ffcccb7ecd0 RCX: 00007f73cf1831e7
[  464.447585][T18035] RDX: 0000000000000000 RSI: 00007ffcccb7e610 RDI: 0000000000000005
[  464.448056][T18035] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  464.448527][T18035] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcccb7ed08
[  464.449024][T18035] R13: 00000000686e5f96 R14: 0000000000499600 R15: 0000000000000000
| [  464.663533][T18038] ------------[ cut here ]------------
| [464.664233][T18038] WARNING: CPU: 2 PID: 18038 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  464.665448][T18038] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  464.667603][T18038] Tainted: [W]=WARN
[  464.668066][T18038] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[464.668846][T18038] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 464.669479][T18038] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  464.671612][T18038] RSP: 0018:ffffc900092b7080 EFLAGS: 00010246
[  464.672109][T18038] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  464.673021][T18038] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  464.673913][T18038] RBP: ffffc900092b7168 R08: 0000000000000000 R09: 0000000000000000
[  464.674807][T18038] R10: ffffc900092b7198 R11: ffffffff9a8a8918 R12: 1ffff92001256e14
[  464.675694][T18038] R13: 00000000000005dc R14: ffffc900092b7198 R15: ffff888010c9af08
[  464.676606][T18038] FS:  00007f2b459bc800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  464.677650][T18038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  464.678404][T18038] CR2: 000055777b321dec CR3: 0000000013700002 CR4: 0000000000772ef0
[  464.679313][T18038] PKRU: 55555554
[  464.679778][T18038] Call Trace:
[  464.680225][T18038]  <TASK>
[464.680547][T18038] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[464.681174][T18038] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[464.681798][T18038] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[464.682529][T18038] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[464.683149][T18038] netif_set_mtu (net/core/dev.c:9652) 
[464.683761][T18038] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[464.684387][T18038] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[464.685213][T18038] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[464.685691][T18038] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[464.686500][T18038] br_add_if (net/bridge/br_if.c:697) bridge 
[464.687210][T18038] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[464.687823][T18038] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[464.688437][T18038] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[464.689087][T18038] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[464.689696][T18038] ? __dev_get_by_name (net/core/dev.c:865) 
[464.690288][T18038] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.690923][T18038] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.691530][T18038] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[464.692166][T18038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.692786][T18038] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[464.693403][T18038] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[464.694143][T18038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.694784][T18038] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[464.695372][T18038] ? __lock_release (kernel/locking/lockdep.c:5539) 
[464.696000][T18038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.696611][T18038] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[464.697210][T18038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.697833][T18038] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.698439][T18038] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[464.699064][T18038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.699411][T18038] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[464.699764][T18038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[464.700094][T18038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[464.700424][T18038] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[464.700766][T18038] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[464.701111][T18038] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.701450][T18038] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[464.701796][T18038] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[464.702132][T18038] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[464.702470][T18038] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[464.703053][T18038] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[464.703629][T18038] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[464.704364][T18038] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[464.704976][T18038] ___sys_sendmsg (net/socket.c:2670) 
[464.705591][T18038] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[464.706195][T18038] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[464.706818][T18038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.707407][T18038] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[464.708024][T18038] ? __handle_mm_fault (mm/memory.c:6212) 
[464.708626][T18038] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[464.709223][T18038] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[464.709868][T18038] __sys_sendmsg (net/socket.c:2700) 
[464.710468][T18038] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[464.711085][T18038] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[464.711714][T18038] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[464.712231][T18038] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[464.712585][T18038] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[464.712935][T18038] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  464.713341][T18038] RIP: 0033:0x7f2b45b891e7
[ 464.713691][T18038] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  464.714899][T18038] RSP: 002b:00007ffdd3a534f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.715391][T18038] RAX: ffffffffffffffda RBX: 00007ffdd3a53c20 RCX: 00007f2b45b891e7
[  464.715887][T18038] RDX: 0000000000000000 RSI: 00007ffdd3a53560 RDI: 0000000000000005
[  464.716383][T18038] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  464.716876][T18038] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdd3a53c58
[  464.717363][T18038] R13: 00000000686e5f96 R14: 0000000000499600 R15: 0000000000000000
| [  464.923673][T18039] ------------[ cut here ]------------
| [464.924236][T18039] WARNING: CPU: 0 PID: 18039 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  464.925277][T18039] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  464.927296][T18039] Tainted: [W]=WARN
[  464.927730][T18039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[464.928420][T18039] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 464.929026][T18039] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  464.930955][T18039] RSP: 0018:ffffc900092b7080 EFLAGS: 00010246
[  464.931638][T18039] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  464.932435][T18039] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  464.933279][T18039] RBP: ffffc900092b7168 R08: 0000000000000000 R09: 0000000000000000
[  464.934131][T18039] R10: ffffc900092b7198 R11: ffffffff9a8a8918 R12: 1ffff92001256e14
[  464.934972][T18039] R13: 00000000000005dc R14: ffffc900092b7198 R15: ffff888010c9af08
[  464.935843][T18039] FS:  00007fc1877cf800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  464.936843][T18039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  464.937537][T18039] CR2: 00007efe481921e4 CR3: 0000000010f86005 CR4: 0000000000772ef0
[  464.938388][T18039] PKRU: 55555554
[  464.938832][T18039] Call Trace:
[  464.939250][T18039]  <TASK>
[464.939534][T18039] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[464.940119][T18039] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[464.940686][T18039] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[464.941393][T18039] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[464.941983][T18039] netif_set_mtu (net/core/dev.c:9652) 
[464.942509][T18039] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[464.943094][T18039] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[464.943880][T18039] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[464.944298][T18039] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[464.945090][T18039] br_add_if (net/bridge/br_if.c:697) bridge 
[464.945740][T18039] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[464.946280][T18039] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[464.946872][T18039] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[464.947421][T18039] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[464.947974][T18039] ? __dev_get_by_name (net/core/dev.c:865) 
[464.948473][T18039] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.949074][T18039] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.949662][T18039] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[464.950219][T18039] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.950785][T18039] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[464.951366][T18039] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[464.951956][T18039] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.952545][T18039] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[464.953118][T18039] ? __lock_release (kernel/locking/lockdep.c:5539) 
[464.953716][T18039] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.954246][T18039] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[464.954801][T18039] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.955364][T18039] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.955965][T18039] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[464.956534][T18039] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.957114][T18039] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[464.957704][T18039] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[464.958293][T18039] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[464.958877][T18039] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[464.959424][T18039] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[464.959851][T18039] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.960191][T18039] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[464.960533][T18039] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[464.960879][T18039] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[464.961246][T18039] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[464.961604][T18039] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[464.961936][T18039] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[464.962364][T18039] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[464.962720][T18039] ___sys_sendmsg (net/socket.c:2670) 
[464.963058][T18039] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[464.963403][T18039] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[464.963745][T18039] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.964076][T18039] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[464.964470][T18039] ? __handle_mm_fault (mm/memory.c:6212) 
[464.965060][T18039] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[464.965663][T18039] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[464.966276][T18039] __sys_sendmsg (net/socket.c:2700) 
[464.966849][T18039] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[464.967407][T18039] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[464.967991][T18039] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[464.968553][T18039] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[464.969137][T18039] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[464.969583][T18039] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  464.969982][T18039] RIP: 0033:0x7fc18799c1e7
[ 464.970309][T18039] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  464.971480][T18039] RSP: 002b:00007fff43012a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.971977][T18039] RAX: ffffffffffffffda RBX: 00007fff43013160 RCX: 00007fc18799c1e7
[  464.972466][T18039] RDX: 0000000000000000 RSI: 00007fff43012aa0 RDI: 0000000000000005
[  464.973003][T18039] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  464.973806][T18039] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff43013198
[  464.974641][T18039] R13: 00000000686e5f96 R14: 0000000000499600 R15: 0000000000000000
| [  465.168975][T18041] ------------[ cut here ]------------
| [465.169535][T18041] WARNING: CPU: 0 PID: 18041 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  465.170647][T18041] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  465.172553][T18041] Tainted: [W]=WARN
[  465.172910][T18041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[465.173630][T18041] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 465.174215][T18041] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  465.176113][T18041] RSP: 0018:ffffc900092b7080 EFLAGS: 00010246
[  465.176828][T18041] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  465.177683][T18041] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  465.178529][T18041] RBP: ffffc900092b7168 R08: 0000000000000000 R09: 0000000000000000
[  465.179313][T18041] R10: ffffc900092b7198 R11: ffffffff9a8a8918 R12: 1ffff92001256e14
[  465.180084][T18041] R13: 00000000000005dc R14: ffffc900092b7198 R15: ffff888010c9af08
[  465.180968][T18041] FS:  00007f88b2cb0800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  465.181804][T18041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.182521][T18041] CR2: 00000000004a1738 CR3: 000000000c3ee001 CR4: 0000000000772ef0
[  465.183287][T18041] PKRU: 55555554
[  465.183589][T18041] Call Trace:
[  465.183932][T18041]  <TASK>
[465.184214][T18041] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[465.184813][T18041] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[465.185374][T18041] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[465.186140][T18041] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[465.186704][T18041] netif_set_mtu (net/core/dev.c:9652) 
[465.187272][T18041] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[465.187867][T18041] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[465.188483][T18041] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[465.188914][T18041] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[465.189530][T18041] br_add_if (net/bridge/br_if.c:697) bridge 
[465.190172][T18041] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[465.190748][T18041] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[465.191319][T18041] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[465.191867][T18041] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[465.192281][T18041] ? __dev_get_by_name (net/core/dev.c:865) 
[465.192775][T18041] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.193356][T18041] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.193957][T18041] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[465.194528][T18041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.195134][T18041] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[465.195591][T18041] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[465.196073][T18041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.196545][T18041] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[465.197100][T18041] ? __lock_release (kernel/locking/lockdep.c:5539) 
[465.197601][T18041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.198062][T18041] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[465.198556][T18041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.199099][T18041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.199697][T18041] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[465.200259][T18041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.200838][T18041] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[465.201374][T18041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[465.201849][T18041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[465.202402][T18041] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[465.202841][T18041] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[465.203359][T18041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.203952][T18041] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[465.204432][T18041] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[465.204977][T18041] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[465.205585][T18041] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[465.206170][T18041] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[465.206698][T18041] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[465.207327][T18041] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[465.207914][T18041] ___sys_sendmsg (net/socket.c:2670) 
[465.208332][T18041] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[465.208885][T18041] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[465.209468][T18041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.209922][T18041] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[465.210487][T18041] ? __handle_mm_fault (mm/memory.c:6212) 
[465.211025][T18041] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[465.211458][T18041] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[465.212000][T18041] __sys_sendmsg (net/socket.c:2700) 
[465.212445][T18041] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[465.213010][T18041] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[465.213608][T18041] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[465.214193][T18041] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[465.214787][T18041] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[465.215368][T18041] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.216091][T18041] RIP: 0033:0x7f88b2e7d1e7
[ 465.216693][T18041] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  465.218557][T18041] RSP: 002b:00007ffd2fca6c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.219465][T18041] RAX: ffffffffffffffda RBX: 00007ffd2fca7340 RCX: 00007f88b2e7d1e7
[  465.220361][T18041] RDX: 0000000000000000 RSI: 00007ffd2fca6c80 RDI: 0000000000000005
[  465.221220][T18041] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  465.222088][T18041] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd2fca7378
[  465.222782][T18041] R13: 00000000686e5f96 R14: 0000000000499600 R15: 0000000000000000
| [  465.476213][T18044] ------------[ cut here ]------------
| [465.476877][T18044] WARNING: CPU: 2 PID: 18044 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  465.478034][T18044] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  465.479898][T18044] Tainted: [W]=WARN
[  465.480350][T18044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[465.481076][T18044] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 465.481708][T18044] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  465.483353][T18044] RSP: 0018:ffffc90009277080 EFLAGS: 00010246
[  465.483803][T18044] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  465.484331][T18044] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  465.484857][T18044] RBP: ffffc90009277168 R08: 0000000000000000 R09: 0000000000000000
[  465.485385][T18044] R10: ffffc90009277198 R11: ffffffff9a8a8918 R12: 1ffff9200124ee14
[  465.485927][T18044] R13: 00000000000005dc R14: ffffc90009277198 R15: ffff888010c9af08
[  465.486468][T18044] FS:  00007f1cdbd36800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  465.487068][T18044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.487514][T18044] CR2: 00007efe47fbca00 CR3: 0000000012f86005 CR4: 0000000000772ef0
[  465.488030][T18044] PKRU: 55555554
[  465.488307][T18044] Call Trace:
[  465.488562][T18044]  <TASK>
[465.488751][T18044] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[465.489111][T18044] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[465.489665][T18044] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[465.490405][T18044] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[465.491012][T18044] netif_set_mtu (net/core/dev.c:9652) 
[465.491617][T18044] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[465.492237][T18044] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[465.493061][T18044] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[465.493492][T18044] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[465.494069][T18044] br_add_if (net/bridge/br_if.c:697) bridge 
[465.494664][T18044] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[465.495004][T18044] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[465.495357][T18044] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[465.495699][T18044] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[465.496029][T18044] ? __dev_get_by_name (net/core/dev.c:865) 
[465.496373][T18044] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.496714][T18044] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.497050][T18044] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[465.497397][T18044] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.497755][T18044] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[465.498108][T18044] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[465.498669][T18044] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.499306][T18044] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[465.499721][T18044] ? __lock_release (kernel/locking/lockdep.c:5539) 
[465.500064][T18044] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.500411][T18044] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[465.500752][T18044] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.501090][T18044] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.501453][T18044] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[465.501793][T18044] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.502126][T18044] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[465.502479][T18044] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[465.502821][T18044] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[465.503157][T18044] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[465.503539][T18044] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[465.503886][T18044] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.504237][T18044] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[465.504814][T18044] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[465.505146][T18044] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[465.505492][T18044] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[465.505838][T18044] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[465.506167][T18044] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[465.506610][T18044] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[465.507180][T18044] ___sys_sendmsg (net/socket.c:2670) 
[465.507524][T18044] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[465.508091][T18044] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[465.508505][T18044] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.508868][T18044] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[465.509203][T18044] ? __handle_mm_fault (mm/memory.c:6212) 
[465.509789][T18044] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[465.510120][T18044] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[465.510473][T18044] __sys_sendmsg (net/socket.c:2700) 
[465.510807][T18044] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[465.511149][T18044] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[465.511483][T18044] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[465.511824][T18044] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[465.512158][T18044] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[465.512486][T18044] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.512951][T18044] RIP: 0033:0x7f1cdbf031e7
[ 465.513561][T18044] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  465.515002][T18044] RSP: 002b:00007ffc40375518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.515493][T18044] RAX: ffffffffffffffda RBX: 00007ffc40375c40 RCX: 00007f1cdbf031e7
[  465.516218][T18044] RDX: 0000000000000000 RSI: 00007ffc40375580 RDI: 0000000000000005
[  465.516942][T18044] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  465.517431][T18044] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc40375c78
[  465.518153][T18044] R13: 00000000686e5f97 R14: 0000000000499600 R15: 0000000000000000
| [  465.678562][T18045] ------------[ cut here ]------------
| [465.679089][T18045] WARNING: CPU: 0 PID: 18045 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  465.679731][T18045] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  465.680953][T18045] Tainted: [W]=WARN
[  465.681197][T18045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[465.681620][T18045] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 465.681950][T18045] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  465.683133][T18045] RSP: 0018:ffffc90005927080 EFLAGS: 00010246
[  465.683550][T18045] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  465.684249][T18045] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  465.684917][T18045] RBP: ffffc90005927168 R08: 0000000000000000 R09: 0000000000000000
[  465.685407][T18045] R10: ffffc90005927198 R11: ffffffff9a8a8918 R12: 1ffff92000b24e14
[  465.686048][T18045] R13: 00000000000005dc R14: ffffc90005927198 R15: ffff888010c9af08
[  465.686535][T18045] FS:  00007efc00d5e800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  465.687239][T18045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.687656][T18045] CR2: 00000000004a1738 CR3: 000000000df2b001 CR4: 0000000000772ef0
[  465.688205][T18045] PKRU: 55555554
[  465.688453][T18045] Call Trace:
[  465.688714][T18045]  <TASK>
[465.688907][T18045] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[465.689249][T18045] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[465.689585][T18045] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[465.690003][T18045] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[465.690332][T18045] netif_set_mtu (net/core/dev.c:9652) 
[465.690676][T18045] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[465.691028][T18045] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[465.691465][T18045] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[465.691725][T18045] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[465.692216][T18045] br_add_if (net/bridge/br_if.c:697) bridge 
[465.692590][T18045] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[465.692925][T18045] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[465.693263][T18045] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[465.693606][T18045] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[465.693932][T18045] ? __dev_get_by_name (net/core/dev.c:865) 
[465.694253][T18045] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.694577][T18045] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.694902][T18045] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[465.695221][T18045] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.695551][T18045] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[465.695885][T18045] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[465.696385][T18045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.696928][T18045] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[465.697480][T18045] ? __lock_release (kernel/locking/lockdep.c:5539) 
[465.698080][T18045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.698526][T18045] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[465.699071][T18045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.699635][T18045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.700188][T18045] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[465.700782][T18045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.701365][T18045] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[465.702011][T18045] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[465.702593][T18045] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[465.703160][T18045] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[465.703749][T18045] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[465.704313][T18045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.704912][T18045] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[465.705482][T18045] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[465.706069][T18045] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[465.706663][T18045] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[465.707242][T18045] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[465.707841][T18045] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[465.708562][T18045] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[465.709164][T18045] ___sys_sendmsg (net/socket.c:2670) 
[465.709763][T18045] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[465.710401][T18045] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[465.711000][T18045] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.711588][T18045] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[465.712181][T18045] ? __handle_mm_fault (mm/memory.c:6212) 
[465.712784][T18045] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[465.713344][T18045] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[465.713981][T18045] __sys_sendmsg (net/socket.c:2700) 
[465.714559][T18045] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[465.715176][T18045] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[465.715771][T18045] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[465.716340][T18045] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[465.716906][T18045] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[465.717456][T18045] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.718135][T18045] RIP: 0033:0x7efc00f2b1e7
[ 465.718678][T18045] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  465.720667][T18045] RSP: 002b:00007ffd89933a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.721544][T18045] RAX: ffffffffffffffda RBX: 00007ffd89934140 RCX: 00007efc00f2b1e7
[  465.722426][T18045] RDX: 0000000000000000 RSI: 00007ffd89933a80 RDI: 0000000000000005
[  465.723284][T18045] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  465.724166][T18045] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd89934178
[  465.725048][T18045] R13: 00000000686e5f97 R14: 0000000000499600 R15: 0000000000000000
| [  465.919398][T18047] ------------[ cut here ]------------
| [465.919739][T18047] WARNING: CPU: 0 PID: 18047 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  465.920412][T18047] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  465.921800][T18047] Tainted: [W]=WARN
[  465.922042][T18047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[465.922434][T18047] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 465.922773][T18047] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  465.923933][T18047] RSP: 0018:ffffc90006c27080 EFLAGS: 00010246
[  465.924345][T18047] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  465.924843][T18047] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  465.925319][T18047] RBP: ffffc90006c27168 R08: 0000000000000000 R09: 0000000000000000
[  465.925810][T18047] R10: ffffc90006c27198 R11: ffffffff9a8a8918 R12: 1ffff92000d84e14
[  465.926384][T18047] R13: 00000000000005dc R14: ffffc90006c27198 R15: ffff888010c9af08
[  465.926908][T18047] FS:  00007f489de69800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  465.927583][T18047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.928094][T18047] CR2: 00007f343d1d6c90 CR3: 000000000a3a5001 CR4: 0000000000772ef0
[  465.928583][T18047] PKRU: 55555554
[  465.928904][T18047] Call Trace:
[  465.929330][T18047]  <TASK>
[465.929560][T18047] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[465.929928][T18047] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[465.930321][T18047] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[465.930831][T18047] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[465.931241][T18047] netif_set_mtu (net/core/dev.c:9652) 
[465.931561][T18047] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[465.932010][T18047] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[465.932448][T18047] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[465.932804][T18047] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[465.933311][T18047] br_add_if (net/bridge/br_if.c:697) bridge 
[465.933693][T18047] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[465.934115][T18047] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[465.934531][T18047] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[465.934963][T18047] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[465.935317][T18047] ? __dev_get_by_name (net/core/dev.c:865) 
[465.935689][T18047] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.936038][T18047] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.936461][T18047] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[465.936916][T18047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.937264][T18047] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[465.937692][T18047] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[465.938039][T18047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.938457][T18047] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[465.938860][T18047] ? __lock_release (kernel/locking/lockdep.c:5539) 
[465.939213][T18047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.939544][T18047] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[465.940008][T18047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.940399][T18047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.940799][T18047] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[465.941201][T18047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.941598][T18047] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[465.941941][T18047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[465.942257][T18047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[465.942581][T18047] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[465.942994][T18047] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[465.943311][T18047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.943691][T18047] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[465.944085][T18047] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[465.944456][T18047] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[465.944879][T18047] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[465.945316][T18047] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[465.945643][T18047] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[465.946052][T18047] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[465.946376][T18047] ___sys_sendmsg (net/socket.c:2670) 
[465.946816][T18047] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[465.947140][T18047] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[465.947497][T18047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.947891][T18047] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[465.948230][T18047] ? __handle_mm_fault (mm/memory.c:6212) 
[465.948550][T18047] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[465.948904][T18047] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[465.949300][T18047] __sys_sendmsg (net/socket.c:2700) 
[465.949639][T18047] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[465.949970][T18047] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[465.950300][T18047] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[465.950721][T18047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[465.951117][T18047] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[465.951437][T18047] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.951913][T18047] RIP: 0033:0x7f489e0361e7
[ 465.952276][T18047] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  465.953500][T18047] RSP: 002b:00007ffec0b83658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.954163][T18047] RAX: ffffffffffffffda RBX: 00007ffec0b83d80 RCX: 00007f489e0361e7
[  465.954943][T18047] RDX: 0000000000000000 RSI: 00007ffec0b836c0 RDI: 0000000000000005
[  465.955544][T18047] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  465.956107][T18047] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffec0b83db8
[  465.956710][T18047] R13: 00000000686e5f97 R14: 0000000000499600 R15: 0000000000000000
| [  466.147310][T18049] ------------[ cut here ]------------
| [466.147966][T18049] WARNING: CPU: 0 PID: 18049 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  466.149565][T18049] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  466.151076][T18049] Tainted: [W]=WARN
[  466.151333][T18049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[466.151738][T18049] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 466.152082][T18049] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  466.153303][T18049] RSP: 0018:ffffc90006c27080 EFLAGS: 00010246
[  466.154042][T18049] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  466.154911][T18049] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  466.155787][T18049] RBP: ffffc90006c27168 R08: 0000000000000000 R09: 0000000000000000
[  466.156698][T18049] R10: ffffc90006c27198 R11: ffffffff9a8a8918 R12: 1ffff92000d84e14
[  466.157228][T18049] R13: 00000000000005dc R14: ffffc90006c27198 R15: ffff888010c9af08
[  466.157756][T18049] FS:  00007f480ef70800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  466.158425][T18049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.158893][T18049] CR2: 00000000004a1738 CR3: 000000000ddf8002 CR4: 0000000000772ef0
[  466.159467][T18049] PKRU: 55555554
[  466.159740][T18049] Call Trace:
[  466.160003][T18049]  <TASK>
[466.160181][T18049] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[466.160551][T18049] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[466.160907][T18049] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[466.161431][T18049] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[466.162050][T18049] netif_set_mtu (net/core/dev.c:9652) 
[466.162665][T18049] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[466.163296][T18049] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[466.164139][T18049] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[466.164595][T18049] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[466.165286][T18049] br_add_if (net/bridge/br_if.c:697) bridge 
[466.165749][T18049] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[466.166097][T18049] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[466.166460][T18049] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[466.166814][T18049] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[466.167243][T18049] ? __dev_get_by_name (net/core/dev.c:865) 
[466.167605][T18049] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.167950][T18049] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.168316][T18049] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[466.168656][T18049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.169020][T18049] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[466.169509][T18049] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[466.170127][T18049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.170529][T18049] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[466.170881][T18049] ? __lock_release (kernel/locking/lockdep.c:5539) 
[466.171238][T18049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.171583][T18049] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[466.171931][T18049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.172297][T18049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.172654][T18049] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[466.173001][T18049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.173362][T18049] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[466.173725][T18049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[466.174067][T18049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[466.174415][T18049] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[466.174769][T18049] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[466.175171][T18049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.175538][T18049] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[466.175900][T18049] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[466.176253][T18049] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[466.176614][T18049] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[466.176980][T18049] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[466.177458][T18049] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[466.178196][T18049] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[466.178580][T18049] ___sys_sendmsg (net/socket.c:2670) 
[466.178943][T18049] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[466.179308][T18049] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[466.179656][T18049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.179999][T18049] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[466.180352][T18049] ? __handle_mm_fault (mm/memory.c:6212) 
[466.180807][T18049] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[466.181132][T18049] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[466.181497][T18049] __sys_sendmsg (net/socket.c:2700) 
[466.181840][T18049] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[466.182172][T18049] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[466.182615][T18049] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[466.182951][T18049] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[466.183397][T18049] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[466.183745][T18049] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.184205][T18049] RIP: 0033:0x7f480f13d1e7
[ 466.184563][T18049] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  466.186215][T18049] RSP: 002b:00007ffd23853f88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.186714][T18049] RAX: ffffffffffffffda RBX: 00007ffd238546b0 RCX: 00007f480f13d1e7
[  466.187193][T18049] RDX: 0000000000000000 RSI: 00007ffd23853ff0 RDI: 0000000000000005
[  466.187701][T18049] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  466.188207][T18049] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd238546e8
[  466.188714][T18049] R13: 00000000686e5f97 R14: 0000000000499600 R15: 0000000000000000
| [  466.421156][T18052] ------------[ cut here ]------------
| [466.421532][T18052] WARNING: CPU: 2 PID: 18052 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  466.422296][T18052] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  466.423591][T18052] Tainted: [W]=WARN
[  466.423885][T18052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[466.424321][T18052] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 466.424694][T18052] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  466.425935][T18052] RSP: 0018:ffffc90009287080 EFLAGS: 00010246
[  466.426384][T18052] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  466.426973][T18052] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  466.427476][T18052] RBP: ffffc90009287168 R08: 0000000000000000 R09: 0000000000000000
[  466.427995][T18052] R10: ffffc90009287198 R11: ffffffff9a8a8918 R12: 1ffff92001250e14
[  466.428486][T18052] R13: 00000000000005dc R14: ffffc90009287198 R15: ffff888010c9af08
[  466.429167][T18052] FS:  00007f72d0a04800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  466.429816][T18052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.430299][T18052] CR2: 00000000004a1738 CR3: 0000000012a91005 CR4: 0000000000772ef0
[  466.430825][T18052] PKRU: 55555554
[  466.431105][T18052] Call Trace:
[  466.431372][T18052]  <TASK>
[466.431561][T18052] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[466.431967][T18052] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[466.432337][T18052] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[466.432769][T18052] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[466.433136][T18052] netif_set_mtu (net/core/dev.c:9652) 
[466.433475][T18052] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[466.433887][T18052] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[466.434371][T18052] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[466.434645][T18052] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[466.435126][T18052] br_add_if (net/bridge/br_if.c:697) bridge 
[466.435512][T18052] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[466.435857][T18052] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[466.436213][T18052] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[466.436551][T18052] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[466.436906][T18052] ? __dev_get_by_name (net/core/dev.c:865) 
[466.437266][T18052] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.437621][T18052] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.437965][T18052] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[466.438338][T18052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.438700][T18052] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[466.439081][T18052] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[466.439443][T18052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.439820][T18052] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[466.440165][T18052] ? __lock_release (kernel/locking/lockdep.c:5539) 
[466.440513][T18052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.440860][T18052] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[466.441213][T18052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.441663][T18052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.442022][T18052] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[466.442393][T18052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.442759][T18052] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[466.443120][T18052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[466.443482][T18052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[466.443837][T18052] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[466.444194][T18052] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[466.444552][T18052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.444917][T18052] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[466.445278][T18052] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[466.445655][T18052] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[466.446016][T18052] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[466.446377][T18052] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[466.446738][T18052] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[466.447177][T18052] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[466.447584][T18052] ___sys_sendmsg (net/socket.c:2670) 
[466.447935][T18052] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[466.448285][T18052] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[466.448669][T18052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.449031][T18052] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[466.449383][T18052] ? __handle_mm_fault (mm/memory.c:6212) 
[466.449802][T18052] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[466.450184][T18052] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[466.450554][T18052] __sys_sendmsg (net/socket.c:2700) 
[466.450907][T18052] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[466.451265][T18052] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[466.451639][T18052] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[466.451988][T18052] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[466.452323][T18052] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[466.452686][T18052] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.453101][T18052] RIP: 0033:0x7f72d0bd11e7
[ 466.453460][T18052] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  466.454753][T18052] RSP: 002b:00007ffc7bc12fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.455281][T18052] RAX: ffffffffffffffda RBX: 00007ffc7bc13710 RCX: 00007f72d0bd11e7
[  466.455833][T18052] RDX: 0000000000000000 RSI: 00007ffc7bc13050 RDI: 0000000000000005
[  466.456341][T18052] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  466.456904][T18052] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc7bc13748
[  466.457426][T18052] R13: 00000000686e5f98 R14: 0000000000499600 R15: 0000000000000000
| [  466.656403][T18053] ------------[ cut here ]------------
| [466.656831][T18053] WARNING: CPU: 2 PID: 18053 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  466.657557][T18053] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  466.658869][T18053] Tainted: [W]=WARN
[  466.659152][T18053] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[466.659617][T18053] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 466.659994][T18053] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  466.661256][T18053] RSP: 0018:ffffc900096d7080 EFLAGS: 00010246
[  466.661726][T18053] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  466.662248][T18053] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  466.662787][T18053] RBP: ffffc900096d7168 R08: 0000000000000000 R09: 0000000000000000
[  466.663324][T18053] R10: ffffc900096d7198 R11: ffffffff9a8a8918 R12: 1ffff920012dae14
[  466.663900][T18053] R13: 00000000000005dc R14: ffffc900096d7198 R15: ffff888010c9af08
[  466.664452][T18053] FS:  00007fbad3f29800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  466.665070][T18053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.665524][T18053] CR2: 00000000004a1738 CR3: 000000000e599003 CR4: 0000000000772ef0
[  466.666057][T18053] PKRU: 55555554
[  466.666323][T18053] Call Trace:
[  466.666616][T18053]  <TASK>
[466.666805][T18053] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[466.667164][T18053] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[466.667528][T18053] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[466.667978][T18053] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[466.668330][T18053] netif_set_mtu (net/core/dev.c:9652) 
[466.668712][T18053] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[466.669092][T18053] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[466.669619][T18053] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[466.669891][T18053] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[466.670356][T18053] br_add_if (net/bridge/br_if.c:697) bridge 
[466.670788][T18053] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[466.671140][T18053] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[466.671495][T18053] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[466.671874][T18053] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[466.672223][T18053] ? __dev_get_by_name (net/core/dev.c:865) 
[466.672594][T18053] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.672951][T18053] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.673319][T18053] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[466.673696][T18053] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.674053][T18053] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[466.674411][T18053] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[466.674795][T18053] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.675162][T18053] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[466.675515][T18053] ? __lock_release (kernel/locking/lockdep.c:5539) 
[466.675929][T18053] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.676287][T18053] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[466.676698][T18053] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.677057][T18053] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.677423][T18053] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[466.677805][T18053] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.678159][T18053] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[466.678521][T18053] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[466.678928][T18053] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[466.679291][T18053] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[466.679671][T18053] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[466.680064][T18053] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.680435][T18053] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[466.680815][T18053] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[466.681179][T18053] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[466.681538][T18053] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[466.681950][T18053] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[466.682320][T18053] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[466.682792][T18053] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[466.683172][T18053] ___sys_sendmsg (net/socket.c:2670) 
[466.683547][T18053] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[466.683962][T18053] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[466.684317][T18053] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.684660][T18053] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[466.685021][T18053] ? __handle_mm_fault (mm/memory.c:6212) 
[466.685361][T18053] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[466.685712][T18053] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[466.686086][T18053] __sys_sendmsg (net/socket.c:2700) 
[466.686419][T18053] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[466.686764][T18053] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[466.687597][T18053] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[466.687946][T18053] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[466.688301][T18053] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[466.688647][T18053] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.689087][T18053] RIP: 0033:0x7fbad40f61e7
[ 466.689687][T18053] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  466.690876][T18053] RSP: 002b:00007fff65ef96e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.691874][T18053] RAX: ffffffffffffffda RBX: 00007fff65ef9e10 RCX: 00007fbad40f61e7
[  466.692658][T18053] RDX: 0000000000000000 RSI: 00007fff65ef9750 RDI: 0000000000000005
[  466.693649][T18053] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  466.694182][T18053] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff65ef9e48
[  466.694700][T18053] R13: 00000000686e5f98 R14: 0000000000499600 R15: 0000000000000000
| [  466.873379][T18055] ------------[ cut here ]------------
| [466.873789][T18055] WARNING: CPU: 0 PID: 18055 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  466.874697][T18055] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  466.876045][T18055] Tainted: [W]=WARN
[  466.876316][T18055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[466.876757][T18055] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 466.877115][T18055] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  466.878476][T18055] RSP: 0018:ffffc900096d7080 EFLAGS: 00010246
[  466.879028][T18055] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  466.879839][T18055] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  466.880636][T18055] RBP: ffffc900096d7168 R08: 0000000000000000 R09: 0000000000000000
[  466.881258][T18055] R10: ffffc900096d7198 R11: ffffffff9a8a8918 R12: 1ffff920012dae14
[  466.881849][T18055] R13: 00000000000005dc R14: ffffc900096d7198 R15: ffff888010c9af08
[  466.882398][T18055] FS:  00007f29ac3a4800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  466.883190][T18055] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.883771][T18055] CR2: 00000000004a1738 CR3: 000000000f6f7006 CR4: 0000000000772ef0
[  466.884552][T18055] PKRU: 55555554
[  466.885025][T18055] Call Trace:
[  466.885483][T18055]  <TASK>
[466.885813][T18055] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[466.886431][T18055] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[466.887053][T18055] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[466.887814][T18055] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[466.888418][T18055] netif_set_mtu (net/core/dev.c:9652) 
[466.889046][T18055] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[466.889689][T18055] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[466.890507][T18055] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[466.890987][T18055] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[466.891828][T18055] br_add_if (net/bridge/br_if.c:697) bridge 
[466.892504][T18055] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[466.893113][T18055] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[466.893736][T18055] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[466.894331][T18055] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[466.894925][T18055] ? __dev_get_by_name (net/core/dev.c:865) 
[466.895513][T18055] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.896144][T18055] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.896779][T18055] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[466.897372][T18055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.898011][T18055] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[466.898655][T18055] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[466.899287][T18055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.899905][T18055] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[466.900520][T18055] ? __lock_release (kernel/locking/lockdep.c:5539) 
[466.901158][T18055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.901717][T18055] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[466.902309][T18055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.902955][T18055] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.903588][T18055] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[466.904191][T18055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.904846][T18055] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[466.905494][T18055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[466.906120][T18055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[466.906758][T18055] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[466.907378][T18055] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[466.908012][T18055] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.908652][T18055] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[466.909278][T18055] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[466.909904][T18055] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[466.910483][T18055] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[466.910946][T18055] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[466.911425][T18055] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[466.911975][T18055] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[466.912918][T18055] ___sys_sendmsg (net/socket.c:2670) 
[466.913334][T18055] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[466.913818][T18055] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[466.914471][T18055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.915068][T18055] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[466.915446][T18055] ? __handle_mm_fault (mm/memory.c:6212) 
[466.916222][T18055] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[466.916668][T18055] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[466.918173][T18055] __sys_sendmsg (net/socket.c:2700) 
[466.918706][T18055] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[466.919145][T18055] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[466.919638][T18055] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[466.920092][T18055] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[466.921041][T18055] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[466.921453][T18055] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.922237][T18055] RIP: 0033:0x7f29ac5711e7
[ 466.922766][T18055] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  466.924911][T18055] RSP: 002b:00007fffee28aa18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.925725][T18055] RAX: ffffffffffffffda RBX: 00007fffee28b140 RCX: 00007f29ac5711e7
[  466.926351][T18055] RDX: 0000000000000000 RSI: 00007fffee28aa80 RDI: 0000000000000005
[  466.927126][T18055] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  466.928030][T18055] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffee28b178
[  466.928783][T18055] R13: 00000000686e5f98 R14: 0000000000499600 R15: 0000000000000000
| [  467.106358][T18058] ------------[ cut here ]------------
| [467.106768][T18058] WARNING: CPU: 3 PID: 18058 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  467.107441][T18058] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  467.108667][T18058] Tainted: [W]=WARN
[  467.108934][T18058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[467.109359][T18058] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 467.109721][T18058] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  467.110972][T18058] RSP: 0018:ffffc90009277080 EFLAGS: 00010246
[  467.111413][T18058] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  467.111928][T18058] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  467.112431][T18058] RBP: ffffc90009277168 R08: 0000000000000000 R09: 0000000000000000
[  467.112944][T18058] R10: ffffc90009277198 R11: ffffffff9a8a8918 R12: 1ffff9200124ee14
[  467.113448][T18058] R13: 00000000000005dc R14: ffffc90009277198 R15: ffff888010c9af08
[  467.113960][T18058] FS:  00007f517e5aa800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  467.114542][T18058] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  467.114984][T18058] CR2: 00000000004a1738 CR3: 000000000a01b004 CR4: 0000000000772ef0
[  467.115496][T18058] PKRU: 55555554
[  467.115765][T18058] Call Trace:
[  467.116017][T18058]  <TASK>
[467.116187][T18058] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[467.116523][T18058] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[467.116864][T18058] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[467.117280][T18058] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[467.117634][T18058] netif_set_mtu (net/core/dev.c:9652) 
[467.117973][T18058] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[467.118331][T18058] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[467.118804][T18058] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[467.119143][T18058] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[467.119604][T18058] br_add_if (net/bridge/br_if.c:697) bridge 
[467.119998][T18058] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[467.120347][T18058] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[467.120697][T18058] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[467.121054][T18058] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[467.121385][T18058] ? __dev_get_by_name (net/core/dev.c:865) 
[467.121733][T18058] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.122065][T18058] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.122406][T18058] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[467.122748][T18058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.123092][T18058] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[467.123442][T18058] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[467.123785][T18058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.124130][T18058] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[467.124447][T18058] ? __lock_release (kernel/locking/lockdep.c:5539) 
[467.124808][T18058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.125138][T18058] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[467.125464][T18058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.125815][T18058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.126154][T18058] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[467.126496][T18058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.126853][T18058] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[467.127192][T18058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[467.127523][T18058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[467.127871][T18058] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[467.128212][T18058] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[467.128538][T18058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.128889][T18058] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[467.129216][T18058] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[467.129536][T18058] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[467.129908][T18058] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[467.130244][T18058] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[467.130591][T18058] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[467.131027][T18058] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[467.131365][T18058] ___sys_sendmsg (net/socket.c:2670) 
[467.131716][T18058] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[467.132050][T18058] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[467.132425][T18058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.132791][T18058] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[467.133137][T18058] ? __handle_mm_fault (mm/memory.c:6212) 
[467.133462][T18058] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[467.133829][T18058] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[467.134225][T18058] __sys_sendmsg (net/socket.c:2700) 
[467.134595][T18058] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[467.134957][T18058] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[467.135316][T18058] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[467.135683][T18058] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[467.136027][T18058] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[467.136390][T18058] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  467.136823][T18058] RIP: 0033:0x7f517e7771e7
[ 467.137173][T18058] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  467.138397][T18058] RSP: 002b:00007fff426487b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.138953][T18058] RAX: ffffffffffffffda RBX: 00007fff42648ee0 RCX: 00007f517e7771e7
[  467.139470][T18058] RDX: 0000000000000000 RSI: 00007fff42648820 RDI: 0000000000000005
[  467.140001][T18058] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  467.140523][T18058] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff42648f18
[  467.141044][T18058] R13: 00000000686e5f98 R14: 0000000000499600 R15: 0000000000000000
| [  467.299249][T18059] ------------[ cut here ]------------
| [467.299596][T18059] WARNING: CPU: 0 PID: 18059 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  467.300260][T18059] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  467.301526][T18059] Tainted: [W]=WARN
[  467.301779][T18059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[467.302188][T18059] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 467.302531][T18059] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  467.303680][T18059] RSP: 0018:ffffc900092a7080 EFLAGS: 00010246
[  467.304101][T18059] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  467.304605][T18059] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  467.305115][T18059] RBP: ffffc900092a7168 R08: 0000000000000000 R09: 0000000000000000
[  467.305612][T18059] R10: ffffc900092a7198 R11: ffffffff9a8a8918 R12: 1ffff92001254e14
[  467.306105][T18059] R13: 00000000000005dc R14: ffffc900092a7198 R15: ffff888010c9af08
[  467.306594][T18059] FS:  00007f0eee0fa800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  467.307159][T18059] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  467.307595][T18059] CR2: 00000000004a1738 CR3: 00000000127c3005 CR4: 0000000000772ef0
[  467.308096][T18059] PKRU: 55555554
[  467.308347][T18059] Call Trace:
[  467.308622][T18059]  <TASK>
[467.308791][T18059] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[467.309177][T18059] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[467.309521][T18059] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[467.309954][T18059] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[467.310322][T18059] netif_set_mtu (net/core/dev.c:9652) 
[467.310678][T18059] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[467.311010][T18059] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[467.311500][T18059] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[467.311759][T18059] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[467.312198][T18059] br_add_if (net/bridge/br_if.c:697) bridge 
[467.312585][T18059] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[467.312918][T18059] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[467.313265][T18059] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[467.313617][T18059] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[467.313959][T18059] ? __dev_get_by_name (net/core/dev.c:865) 
[467.314306][T18059] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.314675][T18059] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.315025][T18059] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[467.315373][T18059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.315727][T18059] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[467.316060][T18059] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[467.316391][T18059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.316730][T18059] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[467.317089][T18059] ? __lock_release (kernel/locking/lockdep.c:5539) 
[467.317426][T18059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.317770][T18059] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[467.318090][T18059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.318434][T18059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.318763][T18059] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[467.319094][T18059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.319416][T18059] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[467.319759][T18059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[467.320081][T18059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[467.320407][T18059] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[467.320740][T18059] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[467.321060][T18059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.321387][T18059] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[467.321722][T18059] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[467.322053][T18059] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[467.322390][T18059] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[467.322726][T18059] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[467.323082][T18059] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[467.323493][T18059] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[467.323836][T18059] ___sys_sendmsg (net/socket.c:2670) 
[467.324172][T18059] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[467.324516][T18059] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[467.324842][T18059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.325161][T18059] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[467.325505][T18059] ? __handle_mm_fault (mm/memory.c:6212) 
[467.325838][T18059] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[467.326181][T18059] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[467.326551][T18059] __sys_sendmsg (net/socket.c:2700) 
[467.326949][T18059] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[467.327327][T18059] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[467.327720][T18059] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[467.328107][T18059] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[467.328471][T18059] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[467.328941][T18059] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  467.329365][T18059] RIP: 0033:0x7f0eee2c71e7
[ 467.329716][T18059] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  467.330971][T18059] RSP: 002b:00007ffcb30bbb98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.331580][T18059] RAX: ffffffffffffffda RBX: 00007ffcb30bc2c0 RCX: 00007f0eee2c71e7
[  467.332063][T18059] RDX: 0000000000000000 RSI: 00007ffcb30bbc00 RDI: 0000000000000005
[  467.332638][T18059] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  467.333196][T18059] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcb30bc2f8
[  467.333750][T18059] R13: 00000000686e5f99 R14: 0000000000499600 R15: 0000000000000000
| [  467.514311][T18061] ------------[ cut here ]------------
| [467.514723][T18061] WARNING: CPU: 3 PID: 18061 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  467.515405][T18061] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  467.516691][T18061] Tainted: [W]=WARN
[  467.516980][T18061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[467.517433][T18061] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 467.517822][T18061] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  467.519329][T18061] RSP: 0018:ffffc900096d7080 EFLAGS: 00010246
[  467.519805][T18061] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  467.520340][T18061] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  467.520913][T18061] RBP: ffffc900096d7168 R08: 0000000000000000 R09: 0000000000000000
[  467.521452][T18061] R10: ffffc900096d7198 R11: ffffffff9a8a8918 R12: 1ffff920012dae14
[  467.522025][T18061] R13: 00000000000005dc R14: ffffc900096d7198 R15: ffff888010c9af08
[  467.522579][T18061] FS:  00007f51be699800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  467.523295][T18061] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  467.523773][T18061] CR2: 00000000004a1738 CR3: 0000000013b61003 CR4: 0000000000772ef0
[  467.524322][T18061] PKRU: 55555554
[  467.524602][T18061] Call Trace:
[  467.524877][T18061]  <TASK>
[467.525065][T18061] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[467.525436][T18061] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[467.525804][T18061] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[467.526253][T18061] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[467.526622][T18061] netif_set_mtu (net/core/dev.c:9652) 
[467.527017][T18061] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[467.527386][T18061] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[467.527896][T18061] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[467.528170][T18061] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[467.528663][T18061] br_add_if (net/bridge/br_if.c:697) bridge 
[467.529116][T18061] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[467.529468][T18061] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[467.529844][T18061] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[467.530193][T18061] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[467.530537][T18061] ? __dev_get_by_name (net/core/dev.c:865) 
[467.530942][T18061] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.531289][T18061] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.531650][T18061] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[467.532007][T18061] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.532370][T18061] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[467.532766][T18061] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[467.533149][T18061] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.533519][T18061] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[467.533954][T18061] ? __lock_release (kernel/locking/lockdep.c:5539) 
[467.534589][T18061] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.535089][T18061] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[467.535452][T18061] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.535826][T18061] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.536185][T18061] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[467.536546][T18061] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.536915][T18061] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[467.537281][T18061] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[467.537633][T18061] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[467.538001][T18061] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[467.538370][T18061] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[467.538731][T18061] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.539112][T18061] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[467.539471][T18061] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[467.539839][T18061] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[467.540209][T18061] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[467.540588][T18061] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[467.540945][T18061] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[467.541390][T18061] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[467.541766][T18061] ___sys_sendmsg (net/socket.c:2670) 
[467.542121][T18061] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[467.542486][T18061] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[467.542864][T18061] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.543218][T18061] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[467.543576][T18061] ? __handle_mm_fault (mm/memory.c:6212) 
[467.543935][T18061] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[467.544285][T18061] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[467.544668][T18061] __sys_sendmsg (net/socket.c:2700) 
[467.545018][T18061] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[467.545419][T18061] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[467.545796][T18061] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[467.546159][T18061] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[467.546515][T18061] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[467.546879][T18061] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  467.547347][T18061] RIP: 0033:0x7f51be8661e7
[ 467.547727][T18061] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  467.549022][T18061] RSP: 002b:00007ffe34393a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.549548][T18061] RAX: ffffffffffffffda RBX: 00007ffe34394150 RCX: 00007f51be8661e7
[  467.550093][T18061] RDX: 0000000000000000 RSI: 00007ffe34393a90 RDI: 0000000000000005
[  467.550883][T18061] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  467.551850][T18061] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe34394188
[  467.552553][T18061] R13: 00000000686e5f99 R14: 0000000000499600 R15: 0000000000000000
| [  467.726977][T18064] ------------[ cut here ]------------
| [467.727369][T18064] WARNING: CPU: 2 PID: 18064 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  467.728067][T18064] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  467.729353][T18064] Tainted: [W]=WARN
[  467.729632][T18064] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[467.730041][T18064] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 467.730450][T18064] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  467.731655][T18064] RSP: 0018:ffffc90009277080 EFLAGS: 00010246
[  467.732094][T18064] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  467.732622][T18064] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  467.733120][T18064] RBP: ffffc90009277168 R08: 0000000000000000 R09: 0000000000000000
[  467.733619][T18064] R10: ffffc90009277198 R11: ffffffff9a8a8918 R12: 1ffff9200124ee14
[  467.734135][T18064] R13: 00000000000005dc R14: ffffc90009277198 R15: ffff888010c9af08
[  467.734651][T18064] FS:  00007f55cf100800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  467.735232][T18064] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  467.735819][T18064] CR2: 00000000004a1738 CR3: 000000000f989005 CR4: 0000000000772ef0
[  467.736469][T18064] PKRU: 55555554
[  467.736932][T18064] Call Trace:
[  467.737346][T18064]  <TASK>
[467.737578][T18064] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[467.737949][T18064] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[467.738302][T18064] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[467.738757][T18064] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[467.739113][T18064] netif_set_mtu (net/core/dev.c:9652) 
[467.739453][T18064] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[467.739806][T18064] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[467.740271][T18064] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[467.740538][T18064] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[467.741004][T18064] br_add_if (net/bridge/br_if.c:697) bridge 
[467.741393][T18064] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[467.741745][T18064] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[467.742087][T18064] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[467.742435][T18064] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[467.742789][T18064] ? __dev_get_by_name (net/core/dev.c:865) 
[467.743125][T18064] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.743455][T18064] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.743802][T18064] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[467.744148][T18064] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.744507][T18064] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[467.744900][T18064] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[467.745247][T18064] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.745609][T18064] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[467.745950][T18064] ? __lock_release (kernel/locking/lockdep.c:5539) 
[467.746290][T18064] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.746648][T18064] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[467.746986][T18064] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.747321][T18064] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.747664][T18064] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[467.748003][T18064] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.748340][T18064] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[467.748692][T18064] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[467.749047][T18064] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[467.749447][T18064] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[467.749846][T18064] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[467.750190][T18064] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.750688][T18064] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[467.751283][T18064] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[467.751878][T18064] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[467.752467][T18064] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[467.753092][T18064] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[467.753709][T18064] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[467.754457][T18064] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[467.755086][T18064] ___sys_sendmsg (net/socket.c:2670) 
[467.755692][T18064] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[467.756286][T18064] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[467.756839][T18064] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.757436][T18064] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[467.758083][T18064] ? __handle_mm_fault (mm/memory.c:6212) 
[467.758720][T18064] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[467.759345][T18064] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[467.760015][T18064] __sys_sendmsg (net/socket.c:2700) 
[467.760545][T18064] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[467.761156][T18064] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[467.761806][T18064] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[467.762403][T18064] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[467.763018][T18064] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[467.763623][T18064] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  467.764350][T18064] RIP: 0033:0x7f55cf2cd1e7
[ 467.764950][T18064] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  467.766976][T18064] RSP: 002b:00007fff33bdd398 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.767895][T18064] RAX: ffffffffffffffda RBX: 00007fff33bddac0 RCX: 00007f55cf2cd1e7
[  467.768786][T18064] RDX: 0000000000000000 RSI: 00007fff33bdd400 RDI: 0000000000000005
[  467.769689][T18064] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  467.771470][T18064] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff33bddaf8
[  467.772347][T18064] R13: 00000000686e5f99 R14: 0000000000499600 R15: 0000000000000000
| [  467.988122][T18065] ------------[ cut here ]------------
| [467.988443][T18065] WARNING: CPU: 1 PID: 18065 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  467.989096][T18065] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  467.990278][T18065] Tainted: [W]=WARN
[  467.990521][T18065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[467.991087][T18065] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 467.991423][T18065] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  467.992715][T18065] RSP: 0018:ffffc900096d7080 EFLAGS: 00010246
[  467.993129][T18065] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  467.993833][T18065] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  467.994344][T18065] RBP: ffffc900096d7168 R08: 0000000000000000 R09: 0000000000000000
[  467.995014][T18065] R10: ffffc900096d7198 R11: ffffffff9a8a8918 R12: 1ffff920012dae14
[  467.995487][T18065] R13: 00000000000005dc R14: ffffc900096d7198 R15: ffff888010c9af08
[  467.996111][T18065] FS:  00007fc030bcf800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  467.996821][T18065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  467.997232][T18065] CR2: 00000000004a1738 CR3: 000000000c2e1003 CR4: 0000000000772ef0
[  467.997894][T18065] PKRU: 55555554
[  467.998141][T18065] Call Trace:
[  467.998378][T18065]  <TASK>
[467.998543][T18065] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[467.999002][T18065] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[467.999327][T18065] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[467.999731][T18065] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[468.000055][T18065] netif_set_mtu (net/core/dev.c:9652) 
[468.000373][T18065] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[468.000711][T18065] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[468.001172][T18065] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[468.001425][T18065] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[468.001897][T18065] br_add_if (net/bridge/br_if.c:697) bridge 
[468.002269][T18065] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[468.002615][T18065] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[468.002947][T18065] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[468.003267][T18065] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[468.003594][T18065] ? __dev_get_by_name (net/core/dev.c:865) 
[468.003913][T18065] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.004232][T18065] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.004555][T18065] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[468.004886][T18065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.005217][T18065] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[468.005541][T18065] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[468.005905][T18065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.006243][T18065] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[468.006557][T18065] ? __lock_release (kernel/locking/lockdep.c:5539) 
[468.006899][T18065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.007212][T18065] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[468.007532][T18065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.007882][T18065] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.008216][T18065] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[468.008534][T18065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.008879][T18065] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[468.009205][T18065] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[468.009516][T18065] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[468.009876][T18065] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[468.010199][T18065] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[468.010514][T18065] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.010846][T18065] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[468.011164][T18065] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[468.011479][T18065] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[468.011818][T18065] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[468.012142][T18065] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[468.012460][T18065] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[468.012879][T18065] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[468.013206][T18065] ___sys_sendmsg (net/socket.c:2670) 
[468.013527][T18065] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[468.013861][T18065] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[468.014188][T18065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.014499][T18065] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[468.014837][T18065] ? __handle_mm_fault (mm/memory.c:6212) 
[468.015159][T18065] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[468.015477][T18065] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[468.015826][T18065] __sys_sendmsg (net/socket.c:2700) 
[468.016142][T18065] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[468.016459][T18065] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[468.016792][T18065] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[468.017121][T18065] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[468.017444][T18065] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[468.017777][T18065] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.018177][T18065] RIP: 0033:0x7fc030d9c1e7
[ 468.018502][T18065] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  468.019670][T18065] RSP: 002b:00007ffd1806f4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.020176][T18065] RAX: ffffffffffffffda RBX: 00007ffd1806fbd0 RCX: 00007fc030d9c1e7
[  468.020674][T18065] RDX: 0000000000000000 RSI: 00007ffd1806f510 RDI: 0000000000000005
[  468.021143][T18065] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  468.021623][T18065] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1806fc08
[  468.022108][T18065] R13: 00000000686e5f99 R14: 0000000000499600 R15: 0000000000000000
| [  468.204396][T18068] ------------[ cut here ]------------
| [468.204826][T18068] WARNING: CPU: 0 PID: 18068 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  468.205485][T18068] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  468.206757][T18068] Tainted: [W]=WARN
[  468.207010][T18068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[468.207421][T18068] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 468.207790][T18068] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  468.209034][T18068] RSP: 0018:ffffc90009287080 EFLAGS: 00010246
[  468.209459][T18068] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  468.210084][T18068] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  468.210921][T18068] RBP: ffffc90009287168 R08: 0000000000000000 R09: 0000000000000000
[  468.211817][T18068] R10: ffffc90009287198 R11: ffffffff9a8a8918 R12: 1ffff92001250e14
[  468.212735][T18068] R13: 00000000000005dc R14: ffffc90009287198 R15: ffff888010c9af08
[  468.213637][T18068] FS:  00007fbca959a800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  468.214624][T18068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  468.215358][T18068] CR2: 00000000004a1738 CR3: 00000000135bf003 CR4: 0000000000772ef0
[  468.216256][T18068] PKRU: 55555554
[  468.216703][T18068] Call Trace:
[  468.217147][T18068]  <TASK>
[468.217455][T18068] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[468.218068][T18068] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[468.218680][T18068] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[468.219437][T18068] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[468.220059][T18068] netif_set_mtu (net/core/dev.c:9652) 
[468.220537][T18068] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[468.220932][T18068] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[468.221408][T18068] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[468.221710][T18068] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[468.222164][T18068] br_add_if (net/bridge/br_if.c:697) bridge 
[468.222543][T18068] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[468.222920][T18068] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[468.223270][T18068] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[468.223642][T18068] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[468.224143][T18068] ? __dev_get_by_name (net/core/dev.c:865) 
[468.224478][T18068] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.224845][T18068] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.225214][T18068] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[468.225601][T18068] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.225965][T18068] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[468.226308][T18068] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[468.226685][T18068] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.227033][T18068] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[468.227367][T18068] ? __lock_release (kernel/locking/lockdep.c:5539) 
[468.227747][T18068] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.228087][T18068] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[468.228433][T18068] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.228798][T18068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.229156][T18068] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[468.229499][T18068] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.229858][T18068] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[468.230213][T18068] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[468.230546][T18068] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[468.230924][T18068] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[468.231265][T18068] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[468.231634][T18068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.232024][T18068] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[468.232376][T18068] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[468.232740][T18068] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[468.233099][T18068] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[468.233450][T18068] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[468.233812][T18068] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[468.234232][T18068] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[468.234609][T18068] ___sys_sendmsg (net/socket.c:2670) 
[468.234976][T18068] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[468.235323][T18068] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[468.235686][T18068] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.236273][T18068] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[468.236653][T18068] ? __handle_mm_fault (mm/memory.c:6212) 
[468.237004][T18068] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[468.237351][T18068] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[468.237737][T18068] __sys_sendmsg (net/socket.c:2700) 
[468.238092][T18068] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[468.238451][T18068] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[468.239098][T18068] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[468.239437][T18068] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[468.239815][T18068] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[468.240154][T18068] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.240594][T18068] RIP: 0033:0x7fbca97671e7
[ 468.241057][T18068] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  468.242486][T18068] RSP: 002b:00007ffd7e54dee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.243028][T18068] RAX: ffffffffffffffda RBX: 00007ffd7e54e610 RCX: 00007fbca97671e7
[  468.243534][T18068] RDX: 0000000000000000 RSI: 00007ffd7e54df50 RDI: 0000000000000005
[  468.244023][T18068] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  468.244505][T18068] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd7e54e648
[  468.245014][T18068] R13: 00000000686e5f99 R14: 0000000000499600 R15: 0000000000000000
| [  468.423785][T18069] ------------[ cut here ]------------
| [468.424139][T18069] WARNING: CPU: 3 PID: 18069 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  468.424868][T18069] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  468.426102][T18069] Tainted: [W]=WARN
[  468.426357][T18069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[468.426782][T18069] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 468.427131][T18069] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  468.428359][T18069] RSP: 0018:ffffc900092d7080 EFLAGS: 00010246
[  468.428798][T18069] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  468.429318][T18069] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  468.429831][T18069] RBP: ffffc900092d7168 R08: 0000000000000000 R09: 0000000000000000
[  468.430328][T18069] R10: ffffc900092d7198 R11: ffffffff9a8a8918 R12: 1ffff9200125ae14
[  468.430843][T18069] R13: 00000000000005dc R14: ffffc900092d7198 R15: ffff888010c9af08
[  468.431350][T18069] FS:  00007fc804242800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  468.431944][T18069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  468.432370][T18069] CR2: 00000000004a1738 CR3: 0000000010f5f004 CR4: 0000000000772ef0
[  468.432878][T18069] PKRU: 55555554
[  468.433134][T18069] Call Trace:
[  468.433389][T18069]  <TASK>
[468.433598][T18069] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[468.433953][T18069] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[468.434298][T18069] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[468.434727][T18069] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[468.435068][T18069] netif_set_mtu (net/core/dev.c:9652) 
[468.435410][T18069] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[468.435765][T18069] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[468.436228][T18069] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[468.436484][T18069] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[468.436939][T18069] br_add_if (net/bridge/br_if.c:697) bridge 
[468.437314][T18069] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[468.437662][T18069] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[468.438009][T18069] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[468.438347][T18069] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[468.438689][T18069] ? __dev_get_by_name (net/core/dev.c:865) 
[468.439040][T18069] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.439381][T18069] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.439741][T18069] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[468.440088][T18069] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.440434][T18069] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[468.440789][T18069] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[468.441156][T18069] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.441491][T18069] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[468.441825][T18069] ? __lock_release (kernel/locking/lockdep.c:5539) 
[468.442146][T18069] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.442467][T18069] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[468.442827][T18069] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.443171][T18069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.443512][T18069] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[468.443856][T18069] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.444197][T18069] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[468.444549][T18069] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[468.444911][T18069] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[468.445251][T18069] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[468.445600][T18069] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[468.445942][T18069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.446277][T18069] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[468.446625][T18069] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[468.446955][T18069] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[468.447296][T18069] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[468.447646][T18069] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[468.447980][T18069] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[468.448401][T18069] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[468.448754][T18069] ___sys_sendmsg (net/socket.c:2670) 
[468.449105][T18069] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[468.449440][T18069] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[468.449785][T18069] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.450121][T18069] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[468.450470][T18069] ? __handle_mm_fault (mm/memory.c:6212) 
[468.450817][T18069] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[468.451147][T18069] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[468.451495][T18069] __sys_sendmsg (net/socket.c:2700) 
[468.451840][T18069] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[468.452172][T18069] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[468.452516][T18069] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[468.452865][T18069] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[468.453208][T18069] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[468.453542][T18069] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.453965][T18069] RIP: 0033:0x7fc80440f1e7
[ 468.454315][T18069] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  468.455511][T18069] RSP: 002b:00007fffa09586b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.456022][T18069] RAX: ffffffffffffffda RBX: 00007fffa0958de0 RCX: 00007fc80440f1e7
[  468.456520][T18069] RDX: 0000000000000000 RSI: 00007fffa0958720 RDI: 0000000000000005
[  468.457020][T18069] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  468.457516][T18069] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffa0958e18
[  468.458057][T18069] R13: 00000000686e5f9a R14: 0000000000499600 R15: 0000000000000000
| [  468.657418][T18071] ------------[ cut here ]------------
| [468.658470][T18071] WARNING: CPU: 2 PID: 18071 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  468.659142][T18071] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  468.660351][T18071] Tainted: [W]=WARN
[  468.660626][T18071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[468.661070][T18071] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 468.661424][T18071] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  468.662582][T18071] RSP: 0018:ffffc90009267080 EFLAGS: 00010246
[  468.663023][T18071] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  468.663507][T18071] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  468.664042][T18071] RBP: ffffc90009267168 R08: 0000000000000000 R09: 0000000000000000
[  468.664555][T18071] R10: ffffc90009267198 R11: ffffffff9a8a8918 R12: 1ffff9200124ce14
[  468.665085][T18071] R13: 00000000000005dc R14: ffffc90009267198 R15: ffff888010c9af08
[  468.665585][T18071] FS:  00007f5545afe800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  468.666162][T18071] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  468.666580][T18071] CR2: 00000000004a1738 CR3: 0000000005fdd006 CR4: 0000000000772ef0
[  468.667069][T18071] PKRU: 55555554
[  468.667317][T18071] Call Trace:
[  468.667581][T18071]  <TASK>
[468.667760][T18071] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[468.668106][T18071] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[468.668442][T18071] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[468.668919][T18071] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[468.669257][T18071] netif_set_mtu (net/core/dev.c:9652) 
[468.669600][T18071] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[468.669944][T18071] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[468.670401][T18071] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[468.670683][T18071] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[468.671133][T18071] br_add_if (net/bridge/br_if.c:697) bridge 
[468.671504][T18071] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[468.671856][T18071] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[468.672188][T18071] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[468.672529][T18071] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[468.672915][T18071] ? __dev_get_by_name (net/core/dev.c:865) 
[468.673268][T18071] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.673627][T18071] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.673983][T18071] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[468.674313][T18071] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.674675][T18071] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[468.675029][T18071] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[468.675376][T18071] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.675736][T18071] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[468.676076][T18071] ? __lock_release (kernel/locking/lockdep.c:5539) 
[468.676447][T18071] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.676842][T18071] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[468.677198][T18071] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.677541][T18071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.677905][T18071] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[468.678247][T18071] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.678596][T18071] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[468.678963][T18071] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[468.679325][T18071] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[468.679677][T18071] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[468.680017][T18071] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[468.680355][T18071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.680751][T18071] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[468.681108][T18071] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[468.681468][T18071] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[468.681896][T18071] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[468.682249][T18071] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[468.682589][T18071] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[468.683010][T18071] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[468.683351][T18071] ___sys_sendmsg (net/socket.c:2670) 
[468.683696][T18071] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[468.684051][T18071] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[468.684396][T18071] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.684783][T18071] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[468.685137][T18071] ? __handle_mm_fault (mm/memory.c:6212) 
[468.685477][T18071] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[468.685829][T18071] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[468.686185][T18071] __sys_sendmsg (net/socket.c:2700) 
[468.686524][T18071] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[468.686868][T18071] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[468.687212][T18071] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[468.687546][T18071] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[468.687897][T18071] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[468.688232][T18071] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.688684][T18071] RIP: 0033:0x7f5545ccb1e7
[ 468.689053][T18071] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  468.690260][T18071] RSP: 002b:00007ffd506957a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.690760][T18071] RAX: ffffffffffffffda RBX: 00007ffd50695ed0 RCX: 00007f5545ccb1e7
[  468.691253][T18071] RDX: 0000000000000000 RSI: 00007ffd50695810 RDI: 0000000000000005
[  468.691770][T18071] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  468.692267][T18071] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd50695f08
[  468.692816][T18071] R13: 00000000686e5f9a R14: 0000000000499600 R15: 0000000000000000
| [  468.880243][T18073] ------------[ cut here ]------------
| [468.880564][T18073] WARNING: CPU: 0 PID: 18073 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  468.881855][T18073] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  468.883058][T18073] Tainted: [W]=WARN
[  468.883299][T18073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[468.883701][T18073] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 468.884035][T18073] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  468.885197][T18073] RSP: 0000:ffffc90005917080 EFLAGS: 00010246
[  468.885612][T18073] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  468.886084][T18073] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  468.886557][T18073] RBP: ffffc90005917168 R08: 0000000000000000 R09: 0000000000000000
[  468.887041][T18073] R10: ffffc90005917198 R11: ffffffff9a8a8918 R12: 1ffff92000b22e14
[  468.887524][T18073] R13: 00000000000005dc R14: ffffc90005917198 R15: ffff888010c9af08
[  468.888017][T18073] FS:  00007f9f56c62800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  468.888573][T18073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  468.889002][T18073] CR2: 00007efe481921e4 CR3: 0000000008b72004 CR4: 0000000000772ef0
[  468.889495][T18073] PKRU: 55555554
[  468.889745][T18073] Call Trace:
[  468.889986][T18073]  <TASK>
[468.890168][T18073] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[468.890511][T18073] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[468.890863][T18073] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[468.891269][T18073] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[468.891605][T18073] netif_set_mtu (net/core/dev.c:9652) 
[468.891936][T18073] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[468.892273][T18073] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[468.892738][T18073] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[468.892993][T18073] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[468.893428][T18073] br_add_if (net/bridge/br_if.c:697) bridge 
[468.893809][T18073] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[468.894129][T18073] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[468.894454][T18073] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[468.894792][T18073] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[468.895119][T18073] ? __dev_get_by_name (net/core/dev.c:865) 
[468.895439][T18073] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.895776][T18073] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.896103][T18073] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[468.896423][T18073] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.896751][T18073] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[468.897074][T18073] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[468.897399][T18073] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.897762][T18073] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[468.898095][T18073] ? __lock_release (kernel/locking/lockdep.c:5539) 
[468.898423][T18073] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.898764][T18073] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[468.899111][T18073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.899441][T18073] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.899782][T18073] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[468.900116][T18073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.900441][T18073] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[468.900792][T18073] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[468.901118][T18073] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[468.901447][T18073] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[468.901784][T18073] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[468.902105][T18073] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.902437][T18073] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[468.902766][T18073] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[468.903080][T18073] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[468.903422][T18073] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[468.903755][T18073] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[468.904082][T18073] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[468.904489][T18073] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[468.904823][T18073] ___sys_sendmsg (net/socket.c:2670) 
[468.905152][T18073] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[468.905473][T18073] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[468.905799][T18073] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.906120][T18073] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[468.906460][T18073] ? __handle_mm_fault (mm/memory.c:6212) 
[468.906789][T18073] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[468.907114][T18073] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[468.907446][T18073] __sys_sendmsg (net/socket.c:2700) 
[468.907779][T18073] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[468.908115][T18073] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[468.908461][T18073] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[468.908799][T18073] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[468.909142][T18073] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[468.909468][T18073] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.909879][T18073] RIP: 0033:0x7f9f56e2f1e7
[ 468.910212][T18073] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  468.911356][T18073] RSP: 002b:00007ffd48f9ead8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.911852][T18073] RAX: ffffffffffffffda RBX: 00007ffd48f9f200 RCX: 00007f9f56e2f1e7
[  468.912365][T18073] RDX: 0000000000000000 RSI: 00007ffd48f9eb40 RDI: 0000000000000005
[  468.912854][T18073] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  468.913330][T18073] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd48f9f238
[  468.913830][T18073] R13: 00000000686e5f9a R14: 0000000000499600 R15: 0000000000000000
| [  469.099134][T18075] ------------[ cut here ]------------
| [469.099518][T18075] WARNING: CPU: 2 PID: 18075 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  469.100326][T18075] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  469.101984][T18075] Tainted: [W]=WARN
[  469.102417][T18075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[469.102978][T18075] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 469.103359][T18075] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  469.104605][T18075] RSP: 0018:ffffc900058f7080 EFLAGS: 00010246
[  469.105055][T18075] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  469.105683][T18075] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  469.106515][T18075] RBP: ffffc900058f7168 R08: 0000000000000000 R09: 0000000000000000
[  469.107300][T18075] R10: ffffc900058f7198 R11: ffffffff9a8a8918 R12: 1ffff92000b1ee14
[  469.108163][T18075] R13: 00000000000005dc R14: ffffc900058f7198 R15: ffff888010c9af08
[  469.109058][T18075] FS:  00007fa88fc5c800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  469.110092][T18075] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  469.110864][T18075] CR2: 00007fa88fda8360 CR3: 0000000010e7f001 CR4: 0000000000772ef0
[  469.111789][T18075] PKRU: 55555554
[  469.112253][T18075] Call Trace:
[  469.112725][T18075]  <TASK>
[469.113049][T18075] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[469.113682][T18075] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[469.114292][T18075] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[469.115018][T18075] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[469.115429][T18075] netif_set_mtu (net/core/dev.c:9652) 
[469.115797][T18075] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[469.116151][T18075] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[469.116646][T18075] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[469.116916][T18075] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[469.117393][T18075] br_add_if (net/bridge/br_if.c:697) bridge 
[469.117792][T18075] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[469.118139][T18075] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[469.118527][T18075] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[469.118910][T18075] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[469.119253][T18075] ? __dev_get_by_name (net/core/dev.c:865) 
[469.119819][T18075] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.120184][T18075] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.120550][T18075] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[469.120903][T18075] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[469.121260][T18075] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[469.121638][T18075] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[469.121988][T18075] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.122361][T18075] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[469.122740][T18075] ? __lock_release (kernel/locking/lockdep.c:5539) 
[469.123102][T18075] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.123467][T18075] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[469.123832][T18075] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.124184][T18075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.124596][T18075] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[469.124960][T18075] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.125320][T18075] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[469.125713][T18075] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[469.126063][T18075] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[469.126427][T18075] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[469.126785][T18075] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[469.127126][T18075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.127501][T18075] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[469.127876][T18075] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[469.128228][T18075] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[469.128626][T18075] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[469.129017][T18075] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[469.129561][T18075] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[469.130289][T18075] ___sys_sendmsg (net/socket.c:2670) 
[469.130913][T18075] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[469.131486][T18075] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[469.132100][T18075] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[469.132729][T18075] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[469.133325][T18075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.134408][T18075] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[469.135040][T18075] __sys_sendmsg (net/socket.c:2700) 
[469.135672][T18075] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[469.136096][T18075] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[469.136934][T18075] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[469.137513][T18075] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  469.138329][T18075] RIP: 0033:0x7fa88fe291e7
[ 469.139419][T18075] Code: Unable to access opcode bytes at 0x7fa88fe291bd.

Code starting with the faulting instruction
===========================================
[  469.140702][T18075] RSP: 002b:00007ffcaf403e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  469.141652][T18075] RAX: ffffffffffffffda RBX: 00007ffcaf404550 RCX: 00007fa88fe291e7
[  469.143480][T18075] RDX: 0000000000000000 RSI: 00007ffcaf403e90 RDI: 0000000000000005
[  469.144398][T18075] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  469.145312][T18075] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcaf404588
[  469.146236][T18075] R13: 00000000686e5f9a R14: 0000000000499600 R15: 0000000000000000
| [  469.331928][T18077] ------------[ cut here ]------------
| [469.332281][T18077] WARNING: CPU: 2 PID: 18077 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  469.333039][T18077] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  469.334236][T18077] Tainted: [W]=WARN
[  469.334491][T18077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[469.335109][T18077] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 469.335633][T18077] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  469.336788][T18077] RSP: 0018:ffffc900058e7080 EFLAGS: 00010246
[  469.337206][T18077] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  469.337707][T18077] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  469.338200][T18077] RBP: ffffc900058e7168 R08: 0000000000000000 R09: 0000000000000000
[  469.338710][T18077] R10: ffffc900058e7198 R11: ffffffff9a8a8918 R12: 1ffff92000b1ce14
[  469.339225][T18077] R13: 00000000000005dc R14: ffffc900058e7198 R15: ffff888010c9af08
[  469.339812][T18077] FS:  00007f3f69fe6800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  469.340414][T18077] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  469.340855][T18077] CR2: 00000000004a1738 CR3: 00000000098e3005 CR4: 0000000000772ef0
[  469.341393][T18077] PKRU: 55555554
[  469.341675][T18077] Call Trace:
[  469.341954][T18077]  <TASK>
[469.342139][T18077] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[469.342487][T18077] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[469.342834][T18077] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[469.343247][T18077] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[469.343626][T18077] netif_set_mtu (net/core/dev.c:9652) 
[469.343964][T18077] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[469.344303][T18077] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[469.344774][T18077] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[469.345038][T18077] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[469.345486][T18077] br_add_if (net/bridge/br_if.c:697) bridge 
[469.345868][T18077] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[469.346202][T18077] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[469.346534][T18077] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[469.346879][T18077] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[469.347216][T18077] ? __dev_get_by_name (net/core/dev.c:865) 
[469.347609][T18077] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.347952][T18077] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.348290][T18077] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[469.348636][T18077] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[469.348996][T18077] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[469.349359][T18077] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[469.349725][T18077] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.350075][T18077] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[469.350412][T18077] ? __lock_release (kernel/locking/lockdep.c:5539) 
[469.350778][T18077] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.351116][T18077] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[469.351501][T18077] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.351858][T18077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.352198][T18077] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[469.352534][T18077] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.352882][T18077] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[469.353233][T18077] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[469.353592][T18077] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[469.353932][T18077] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[469.354271][T18077] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[469.354613][T18077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.354958][T18077] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[469.355292][T18077] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[469.355675][T18077] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[469.356021][T18077] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[469.356365][T18077] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[469.356710][T18077] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[469.357124][T18077] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[469.357490][T18077] ___sys_sendmsg (net/socket.c:2670) 
[469.357835][T18077] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[469.358169][T18077] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[469.358500][T18077] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[469.358862][T18077] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[469.359207][T18077] ? __handle_mm_fault (mm/memory.c:6212) 
[469.359586][T18077] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[469.359922][T18077] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[469.360272][T18077] __sys_sendmsg (net/socket.c:2700) 
[469.360617][T18077] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[469.360960][T18077] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[469.361301][T18077] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[469.361650][T18077] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[469.361986][T18077] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[469.362331][T18077] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  469.362762][T18077] RIP: 0033:0x7f3f6a1b31e7
[ 469.363111][T18077] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  469.364352][T18077] RSP: 002b:00007ffc3fcbc738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  469.364862][T18077] RAX: ffffffffffffffda RBX: 00007ffc3fcbce60 RCX: 00007f3f6a1b31e7
[  469.365369][T18077] RDX: 0000000000000000 RSI: 00007ffc3fcbc7a0 RDI: 0000000000000005
[  469.365865][T18077] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  469.366352][T18077] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc3fcbce98
[  469.366851][T18077] R13: 00000000686e5f9b R14: 0000000000499600 R15: 0000000000000000
| [  469.528496][T18080] ------------[ cut here ]------------
| [469.528906][T18080] WARNING: CPU: 3 PID: 18080 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  469.529546][T18080] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  469.530702][T18080] Tainted: [W]=WARN
[  469.530955][T18080] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[469.531358][T18080] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 469.531696][T18080] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  469.532870][T18080] RSP: 0018:ffffc900096d7080 EFLAGS: 00010246
[  469.533274][T18080] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  469.533764][T18080] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  469.534246][T18080] RBP: ffffc900096d7168 R08: 0000000000000000 R09: 0000000000000000
[  469.534738][T18080] R10: ffffc900096d7198 R11: ffffffff9a8a8918 R12: 1ffff920012dae14
[  469.535245][T18080] R13: 00000000000005dc R14: ffffc900096d7198 R15: ffff888010c9af08
[  469.535751][T18080] FS:  00007fabef329800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  469.536303][T18080] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  469.536707][T18080] CR2: 00007fabef4f61d0 CR3: 000000000fd00006 CR4: 0000000000772ef0
[  469.537190][T18080] PKRU: 55555554
[  469.537428][T18080] Call Trace:
[  469.537676][T18080]  <TASK>
[469.537844][T18080] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[469.538169][T18080] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[469.538492][T18080] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[469.538912][T18080] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[469.539272][T18080] netif_set_mtu (net/core/dev.c:9652) 
[469.539605][T18080] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[469.539947][T18080] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[469.540395][T18080] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[469.540681][T18080] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[469.541112][T18080] br_add_if (net/bridge/br_if.c:697) bridge 
[469.541494][T18080] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[469.541820][T18080] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[469.542151][T18080] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[469.542515][T18080] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[469.542847][T18080] ? __dev_get_by_name (net/core/dev.c:865) 
[469.543208][T18080] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.543540][T18080] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.543872][T18080] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[469.544183][T18080] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[469.544513][T18080] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[469.544849][T18080] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[469.545175][T18080] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.545535][T18080] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[469.545858][T18080] ? __lock_release (kernel/locking/lockdep.c:5539) 
[469.546178][T18080] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.546493][T18080] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[469.546820][T18080] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.547139][T18080] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.547466][T18080] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[469.547800][T18080] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.548124][T18080] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[469.548482][T18080] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[469.548844][T18080] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[469.549191][T18080] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[469.549528][T18080] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[469.549848][T18080] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.550179][T18080] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[469.550500][T18080] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[469.550832][T18080] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[469.551156][T18080] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[469.551476][T18080] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[469.551887][T18080] ___sys_sendmsg (net/socket.c:2670) 
[469.552204][T18080] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[469.552530][T18080] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[469.552855][T18080] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[469.553172][T18080] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[469.553498][T18080] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.553829][T18080] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[469.554151][T18080] __sys_sendmsg (net/socket.c:2700) 
[469.554468][T18080] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[469.554812][T18080] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[469.555134][T18080] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[469.555457][T18080] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  469.555875][T18080] RIP: 0033:0x7fabef4f61e7
[ 469.556220][T18080] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  469.557372][T18080] RSP: 002b:00007ffc7c222d38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  469.557871][T18080] RAX: ffffffffffffffda RBX: 00007ffc7c223460 RCX: 00007fabef4f61e7
[  469.558353][T18080] RDX: 0000000000000000 RSI: 00007ffc7c222da0 RDI: 0000000000000005
[  469.558845][T18080] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  469.559343][T18080] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc7c223498
[  469.559824][T18080] R13: 00000000686e5f9b R14: 0000000000499600 R15: 0000000000000000
| [  469.744010][T18081] ------------[ cut here ]------------
| [469.744355][T18081] WARNING: CPU: 0 PID: 18081 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  469.745091][T18081] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  469.746305][T18081] Tainted: [W]=WARN
[  469.746558][T18081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[469.746984][T18081] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 469.747335][T18081] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  469.748538][T18081] RSP: 0018:ffffc90005927080 EFLAGS: 00010246
[  469.748998][T18081] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  469.749500][T18081] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  469.750010][T18081] RBP: ffffc90005927168 R08: 0000000000000000 R09: 0000000000000000
[  469.750511][T18081] R10: ffffc90005927198 R11: ffffffff9a8a8918 R12: 1ffff92000b24e14
[  469.751184][T18081] R13: 00000000000005dc R14: ffffc90005927198 R15: ffff888010c9af08
[  469.751836][T18081] FS:  00007f66e9915800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  469.752425][T18081] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  469.752864][T18081] CR2: 00000000004a1738 CR3: 000000000f66d002 CR4: 0000000000772ef0
[  469.753375][T18081] PKRU: 55555554
[  469.753634][T18081] Call Trace:
[  469.753886][T18081]  <TASK>
[469.754063][T18081] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[469.754400][T18081] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[469.754744][T18081] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[469.755154][T18081] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[469.755495][T18081] netif_set_mtu (net/core/dev.c:9652) 
[469.755837][T18081] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[469.756183][T18081] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[469.756658][T18081] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[469.756911][T18081] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[469.757358][T18081] br_add_if (net/bridge/br_if.c:697) bridge 
[469.757741][T18081] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[469.758083][T18081] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[469.758422][T18081] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[469.758770][T18081] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[469.759106][T18081] ? __dev_get_by_name (net/core/dev.c:865) 
[469.759435][T18081] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.759776][T18081] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.760117][T18081] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[469.760454][T18081] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[469.760799][T18081] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[469.761149][T18081] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[469.761490][T18081] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.761858][T18081] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[469.762201][T18081] ? __lock_release (kernel/locking/lockdep.c:5539) 
[469.762548][T18081] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.762893][T18081] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[469.763230][T18081] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.763578][T18081] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.763918][T18081] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[469.764252][T18081] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.764597][T18081] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[469.764959][T18081] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[469.765306][T18081] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[469.765655][T18081] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[469.765999][T18081] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[469.766329][T18081] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.766682][T18081] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[469.767020][T18081] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[469.767339][T18081] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[469.767684][T18081] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[469.768011][T18081] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[469.768329][T18081] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[469.768753][T18081] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[469.769104][T18081] ___sys_sendmsg (net/socket.c:2670) 
[469.769429][T18081] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[469.769757][T18081] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[469.770076][T18081] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[469.770395][T18081] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[469.770728][T18081] ? __handle_mm_fault (mm/memory.c:6212) 
[469.771050][T18081] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[469.771368][T18081] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[469.771712][T18081] __sys_sendmsg (net/socket.c:2700) 
[469.772031][T18081] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[469.772351][T18081] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[469.772691][T18081] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[469.773015][T18081] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[469.773336][T18081] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[469.773663][T18081] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  469.774057][T18081] RIP: 0033:0x7f66e9ae21e7
[ 469.774385][T18081] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  469.775537][T18081] RSP: 002b:00007ffc9799a1f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  469.776028][T18081] RAX: ffffffffffffffda RBX: 00007ffc9799a920 RCX: 00007f66e9ae21e7
[  469.776510][T18081] RDX: 0000000000000000 RSI: 00007ffc9799a260 RDI: 0000000000000005
[  469.776998][T18081] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  469.777479][T18081] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9799a958
[  469.777972][T18081] R13: 00000000686e5f9b R14: 0000000000499600 R15: 0000000000000000
| [  469.983625][T18083] ------------[ cut here ]------------
| [469.984197][T18083] WARNING: CPU: 0 PID: 18083 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  469.985421][T18083] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  469.987548][T18083] Tainted: [W]=WARN
[  469.987995][T18083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[469.988720][T18083] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 469.989337][T18083] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  469.991368][T18083] RSP: 0018:ffffc90005927080 EFLAGS: 00010246
[  469.992092][T18083] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  469.992938][T18083] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  469.993800][T18083] RBP: ffffc90005927168 R08: 0000000000000000 R09: 0000000000000000
[  469.994641][T18083] R10: ffffc90005927198 R11: ffffffff9a8a8918 R12: 1ffff92000b24e14
[  469.995484][T18083] R13: 00000000000005dc R14: ffffc90005927198 R15: ffff888010c9af08
[  469.996378][T18083] FS:  00007f47e48d5800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  469.997368][T18083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  469.998077][T18083] CR2: 000055e0f3b0cbd8 CR3: 000000000f6c6006 CR4: 0000000000772ef0
[  469.998941][T18083] PKRU: 55555554
[  469.999361][T18083] Call Trace:
[  469.999795][T18083]  <TASK>
[470.000088][T18083] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[470.000679][T18083] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[470.001263][T18083] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[470.001988][T18083] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[470.002515][T18083] netif_set_mtu (net/core/dev.c:9652) 
[470.003120][T18083] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[470.003665][T18083] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[470.004365][T18083] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[470.004797][T18083] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[470.005543][T18083] br_add_if (net/bridge/br_if.c:697) bridge 
[470.006217][T18083] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[470.006814][T18083] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[470.007389][T18083] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[470.007993][T18083] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[470.008587][T18083] ? __dev_get_by_name (net/core/dev.c:865) 
[470.009159][T18083] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.009747][T18083] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.010335][T18083] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[470.010928][T18083] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.011559][T18083] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[470.012188][T18083] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[470.012810][T18083] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.013400][T18083] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[470.013975][T18083] ? __lock_release (kernel/locking/lockdep.c:5539) 
[470.014510][T18083] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.015084][T18083] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[470.015675][T18083] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.016264][T18083] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.016888][T18083] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[470.017471][T18083] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.018072][T18083] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[470.018696][T18083] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[470.019285][T18083] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[470.019895][T18083] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[470.020494][T18083] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[470.021085][T18083] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.021699][T18083] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[470.022308][T18083] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[470.022907][T18083] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[470.023482][T18083] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[470.024078][T18083] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[470.024672][T18083] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[470.025387][T18083] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[470.026007][T18083] ___sys_sendmsg (net/socket.c:2670) 
[470.026606][T18083] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[470.027183][T18083] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[470.027815][T18083] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.028403][T18083] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[470.029037][T18083] ? __handle_mm_fault (mm/memory.c:6212) 
[470.029627][T18083] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[470.030201][T18083] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[470.030792][T18083] __sys_sendmsg (net/socket.c:2700) 
[470.031220][T18083] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[470.031596][T18083] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[470.031971][T18083] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[470.032298][T18083] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[470.032672][T18083] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[470.033245][T18083] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  470.033674][T18083] RIP: 0033:0x7f47e4aa21e7
[ 470.034029][T18083] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  470.035214][T18083] RSP: 002b:00007ffc3190b988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  470.035764][T18083] RAX: ffffffffffffffda RBX: 00007ffc3190c0b0 RCX: 00007f47e4aa21e7
[  470.036283][T18083] RDX: 0000000000000000 RSI: 00007ffc3190b9f0 RDI: 0000000000000005
[  470.036820][T18083] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  470.037318][T18083] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc3190c0e8
[  470.037845][T18083] R13: 00000000686e5f9b R14: 0000000000499600 R15: 0000000000000000
| [  470.234389][T18085] ------------[ cut here ]------------
| [470.234803][T18085] WARNING: CPU: 3 PID: 18085 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  470.235452][T18085] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  470.236861][T18085] Tainted: [W]=WARN
[  470.237175][T18085] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[470.237661][T18085] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 470.238060][T18085] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  470.239474][T18085] RSP: 0018:ffffc90005927080 EFLAGS: 00010246
[  470.240038][T18085] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  470.240664][T18085] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  470.241201][T18085] RBP: ffffc90005927168 R08: 0000000000000000 R09: 0000000000000000
[  470.241817][T18085] R10: ffffc90005927198 R11: ffffffff9a8a8918 R12: 1ffff92000b24e14
[  470.242335][T18085] R13: 00000000000005dc R14: ffffc90005927198 R15: ffff888010c9af08
[  470.242921][T18085] FS:  00007f458e558800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  470.243666][T18085] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  470.244210][T18085] CR2: 00000000004a1738 CR3: 00000000126fc003 CR4: 0000000000772ef0
[  470.244826][T18085] PKRU: 55555554
[  470.245157][T18085] Call Trace:
[  470.245476][T18085]  <TASK>
[470.245729][T18085] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[470.246166][T18085] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[470.246586][T18085] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[470.247110][T18085] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[470.247517][T18085] netif_set_mtu (net/core/dev.c:9652) 
[470.247885][T18085] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[470.248274][T18085] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[470.248837][T18085] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[470.249141][T18085] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[470.249699][T18085] br_add_if (net/bridge/br_if.c:697) bridge 
[470.250183][T18085] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[470.250617][T18085] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[470.251016][T18085] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[470.251389][T18085] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[470.251756][T18085] ? __dev_get_by_name (net/core/dev.c:865) 
[470.252141][T18085] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.252522][T18085] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.252893][T18085] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[470.253279][T18085] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.253692][T18085] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[470.254043][T18085] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[470.254396][T18085] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.254786][T18085] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[470.255175][T18085] ? __lock_release (kernel/locking/lockdep.c:5539) 
[470.255534][T18085] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.255888][T18085] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[470.256306][T18085] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.256734][T18085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.257156][T18085] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[470.257587][T18085] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.257999][T18085] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[470.258449][T18085] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[470.258892][T18085] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[470.259294][T18085] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[470.259732][T18085] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[470.260133][T18085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.260562][T18085] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[470.260920][T18085] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[470.261249][T18085] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[470.261607][T18085] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[470.262066][T18085] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[470.262663][T18085] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[470.263366][T18085] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[470.263939][T18085] ___sys_sendmsg (net/socket.c:2670) 
[470.264512][T18085] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[470.265060][T18085] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[470.265673][T18085] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.266210][T18085] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[470.266809][T18085] ? __handle_mm_fault (mm/memory.c:6212) 
[470.267388][T18085] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[470.267995][T18085] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[470.268631][T18085] __sys_sendmsg (net/socket.c:2700) 
[470.269151][T18085] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[470.269651][T18085] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[470.270180][T18085] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[470.270726][T18085] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[470.271272][T18085] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[470.271852][T18085] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  470.272600][T18085] RIP: 0033:0x7f458e7251e7
[ 470.273215][T18085] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  470.275296][T18085] RSP: 002b:00007ffe21362f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  470.276194][T18085] RAX: ffffffffffffffda RBX: 00007ffe21363630 RCX: 00007f458e7251e7
[  470.277075][T18085] RDX: 0000000000000000 RSI: 00007ffe21362f70 RDI: 0000000000000005
[  470.277943][T18085] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  470.278799][T18085] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe21363668
[  470.279669][T18085] R13: 00000000686e5f9c R14: 0000000000499600 R15: 0000000000000000
| [  470.523906][T18088] ------------[ cut here ]------------
| [470.524273][T18088] WARNING: CPU: 3 PID: 18088 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  470.525096][T18088] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  470.526620][T18088] Tainted: [W]=WARN
[  470.526958][T18088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[470.527465][T18088] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 470.527879][T18088] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  470.529324][T18088] RSP: 0018:ffffc90009277080 EFLAGS: 00010246
[  470.529793][T18088] RAX: 0000000000000000 RBX: ffff888010c9a000 RCX: 0000000000000001
[  470.530348][T18088] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  470.530917][T18088] RBP: ffffc90009277168 R08: 0000000000000000 R09: 0000000000000000
[  470.531502][T18088] R10: ffffc90009277198 R11: ffffffff9a8a8918 R12: 1ffff9200124ee14
[  470.532010][T18088] R13: 00000000000005dc R14: ffffc90009277198 R15: ffff888010c9af08
[  470.532518][T18088] FS:  00007fcd04f6f800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  470.533160][T18088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  470.533647][T18088] CR2: 00000000004a1738 CR3: 000000000f977006 CR4: 0000000000772ef0
[  470.534190][T18088] PKRU: 55555554
[  470.534449][T18088] Call Trace:
[  470.534741][T18088]  <TASK>
[470.534960][T18088] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[470.535317][T18088] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[470.535675][T18088] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[470.536107][T18088] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[470.536497][T18088] netif_set_mtu (net/core/dev.c:9652) 
[470.536861][T18088] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[470.537204][T18088] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[470.537744][T18088] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[470.538085][T18088] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[470.538708][T18088] br_add_if (net/bridge/br_if.c:697) bridge 
[470.539216][T18088] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[470.539647][T18088] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[470.540037][T18088] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[470.540459][T18088] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[470.540866][T18088] ? __dev_get_by_name (net/core/dev.c:865) 
[470.541293][T18088] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.541676][T18088] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.542060][T18088] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[470.542443][T18088] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.542810][T18088] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[470.543219][T18088] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[470.543605][T18088] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.544017][T18088] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[470.544401][T18088] ? __lock_release (kernel/locking/lockdep.c:5539) 
[470.544791][T18088] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.545166][T18088] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[470.545580][T18088] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.545955][T18088] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.546337][T18088] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[470.546723][T18088] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.547107][T18088] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[470.547503][T18088] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[470.547840][T18088] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[470.548215][T18088] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[470.548633][T18088] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[470.548968][T18088] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.549354][T18088] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[470.549774][T18088] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[470.550098][T18088] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[470.550449][T18088] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[470.550833][T18088] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[470.551170][T18088] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[470.551642][T18088] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[470.552066][T18088] ___sys_sendmsg (net/socket.c:2670) 
[470.552500][T18088] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[470.552941][T18088] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[470.553387][T18088] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.553816][T18088] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[470.554247][T18088] ? __handle_mm_fault (mm/memory.c:6212) 
[470.554643][T18088] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[470.555026][T18088] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[470.555466][T18088] __sys_sendmsg (net/socket.c:2700) 
[470.555847][T18088] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[470.556208][T18088] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[470.556618][T18088] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[470.557030][T18088] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[470.557426][T18088] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[470.557763][T18088] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  470.558166][T18088] RIP: 0033:0x7fcd0513c1e7
[ 470.558504][T18088] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  470.559687][T18088] RSP: 002b:00007ffeef8b7c08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  470.560294][T18088] RAX: ffffffffffffffda RBX: 00007ffeef8b8330 RCX: 00007fcd0513c1e7
[  470.560855][T18088] RDX: 0000000000000000 RSI: 00007ffeef8b7c70 RDI: 0000000000000005
[  470.561407][T18088] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  470.561972][T18088] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeef8b8368
[  470.563172][T18088] R13: 00000000686e5f9c R14: 0000000000499600 R15: 0000000000000000
| [  471.035987][T18093] ------------[ cut here ]------------
| [471.036327][T18093] WARNING: CPU: 2 PID: 18093 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  471.037639][T18093] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  471.038857][T18093] Tainted: [W]=WARN
[  471.039148][T18093] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[471.039578][T18093] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 471.039951][T18093] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  471.041152][T18093] RSP: 0018:ffffc90004067080 EFLAGS: 00010246
[  471.041588][T18093] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  471.042114][T18093] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  471.042612][T18093] RBP: ffffc90004067168 R08: 0000000000000000 R09: 0000000000000000
[  471.043140][T18093] R10: ffffc90004067198 R11: ffffffff9a8a8918 R12: 1ffff9200080ce14
[  471.043652][T18093] R13: 00000000000005dc R14: ffffc90004067198 R15: ffff88800fa6af08
[  471.044164][T18093] FS:  00007fa0fc2b4800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  471.044747][T18093] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  471.045251][T18093] CR2: 00000000004a1738 CR3: 000000000bf9a005 CR4: 0000000000772ef0
[  471.045831][T18093] PKRU: 55555554
[  471.046146][T18093] Call Trace:
[  471.046452][T18093]  <TASK>
[471.046670][T18093] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[471.047015][T18093] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[471.047396][T18093] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[471.047820][T18093] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[471.048172][T18093] netif_set_mtu (net/core/dev.c:9652) 
[471.048526][T18093] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[471.048895][T18093] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[471.049427][T18093] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[471.049699][T18093] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[471.050148][T18093] br_add_if (net/bridge/br_if.c:697) bridge 
[471.050539][T18093] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[471.050902][T18093] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[471.051242][T18093] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[471.051603][T18093] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[471.051934][T18093] ? __dev_get_by_name (net/core/dev.c:865) 
[471.052265][T18093] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.052636][T18093] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.052982][T18093] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[471.053314][T18093] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.053705][T18093] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[471.054052][T18093] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[471.054406][T18093] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.054770][T18093] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[471.055126][T18093] ? __lock_release (kernel/locking/lockdep.c:5539) 
[471.055490][T18093] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.055840][T18093] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[471.056181][T18093] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.056530][T18093] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.056881][T18093] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[471.057224][T18093] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.057585][T18093] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[471.057937][T18093] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[471.058276][T18093] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[471.058661][T18093] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[471.059028][T18093] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[471.059376][T18093] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.059796][T18093] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[471.060159][T18093] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[471.060494][T18093] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[471.060865][T18093] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[471.061202][T18093] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[471.061538][T18093] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[471.061975][T18093] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[471.062319][T18093] ___sys_sendmsg (net/socket.c:2670) 
[471.062669][T18093] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[471.063004][T18093] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[471.063340][T18093] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.063694][T18093] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[471.064036][T18093] ? __handle_mm_fault (mm/memory.c:6212) 
[471.064372][T18093] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[471.064729][T18093] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[471.065086][T18093] __sys_sendmsg (net/socket.c:2700) 
[471.065418][T18093] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[471.065822][T18093] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[471.066170][T18093] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[471.066513][T18093] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[471.066885][T18093] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[471.067220][T18093] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  471.067644][T18093] RIP: 0033:0x7fa0fc4811e7
[ 471.068004][T18093] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  471.069218][T18093] RSP: 002b:00007ffff14741b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  471.069732][T18093] RAX: ffffffffffffffda RBX: 00007ffff14748e0 RCX: 00007fa0fc4811e7
[  471.070233][T18093] RDX: 0000000000000000 RSI: 00007ffff1474220 RDI: 0000000000000005
[  471.070740][T18093] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  471.071270][T18093] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff1474918
[  471.071783][T18093] R13: 00000000686e5f9c R14: 0000000000499600 R15: 0000000000000000
| [  471.254080][T18094] ------------[ cut here ]------------
| [471.254439][T18094] WARNING: CPU: 2 PID: 18094 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  471.255145][T18094] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  471.256402][T18094] Tainted: [W]=WARN
[  471.256744][T18094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[471.257202][T18094] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 471.257666][T18094] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  471.258911][T18094] RSP: 0018:ffffc90004067080 EFLAGS: 00010246
[  471.259342][T18094] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  471.259859][T18094] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  471.260355][T18094] RBP: ffffc90004067168 R08: 0000000000000000 R09: 0000000000000000
[  471.260871][T18094] R10: ffffc90004067198 R11: ffffffff9a8a8918 R12: 1ffff9200080ce14
[  471.261383][T18094] R13: 00000000000005dc R14: ffffc90004067198 R15: ffff88800fa6af08
[  471.261901][T18094] FS:  00007f1d1f9cc800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  471.262503][T18094] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  471.262962][T18094] CR2: 00000000004a1738 CR3: 000000000bdab005 CR4: 0000000000772ef0
[  471.263466][T18094] PKRU: 55555554
[  471.263748][T18094] Call Trace:
[  471.264025][T18094]  <TASK>
[471.264208][T18094] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[471.264557][T18094] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[471.264908][T18094] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[471.265384][T18094] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[471.265740][T18094] netif_set_mtu (net/core/dev.c:9652) 
[471.266096][T18094] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[471.266482][T18094] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[471.266966][T18094] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[471.267249][T18094] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[471.267725][T18094] br_add_if (net/bridge/br_if.c:697) bridge 
[471.268119][T18094] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[471.268465][T18094] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[471.268842][T18094] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[471.269256][T18094] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[471.269614][T18094] ? __dev_get_by_name (net/core/dev.c:865) 
[471.269956][T18094] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.270322][T18094] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.270686][T18094] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[471.271051][T18094] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.271435][T18094] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[471.271817][T18094] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[471.272183][T18094] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.272561][T18094] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[471.273110][T18094] ? __lock_release (kernel/locking/lockdep.c:5539) 
[471.273707][T18094] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.274292][T18094] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[471.274911][T18094] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.275495][T18094] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.276096][T18094] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[471.276704][T18094] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.277293][T18094] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[471.277923][T18094] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[471.278511][T18094] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[471.279021][T18094] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[471.279398][T18094] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[471.279760][T18094] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.280128][T18094] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[471.280488][T18094] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[471.280866][T18094] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[471.281228][T18094] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[471.281588][T18094] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[471.281933][T18094] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[471.282351][T18094] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[471.282708][T18094] ___sys_sendmsg (net/socket.c:2670) 
[471.283048][T18094] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[471.283384][T18094] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[471.283747][T18094] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.284109][T18094] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[471.284462][T18094] ? __handle_mm_fault (mm/memory.c:6212) 
[471.284821][T18094] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[471.285163][T18094] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[471.285528][T18094] __sys_sendmsg (net/socket.c:2700) 
[471.285913][T18094] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[471.286270][T18094] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[471.286644][T18094] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[471.286989][T18094] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[471.287343][T18094] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[471.287698][T18094] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  471.288123][T18094] RIP: 0033:0x7f1d1fb991e7
[ 471.288505][T18094] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  471.289976][T18094] RSP: 002b:00007ffe2daa3928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  471.290530][T18094] RAX: ffffffffffffffda RBX: 00007ffe2daa4050 RCX: 00007f1d1fb991e7
[  471.291060][T18094] RDX: 0000000000000000 RSI: 00007ffe2daa3990 RDI: 0000000000000005
[  471.291602][T18094] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  471.292138][T18094] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe2daa4088
[  471.292706][T18094] R13: 00000000686e5f9d R14: 0000000000499600 R15: 0000000000000000
| [  471.499656][T18097] ------------[ cut here ]------------
| [471.500279][T18097] WARNING: CPU: 0 PID: 18097 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  471.501512][T18097] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  471.503592][T18097] Tainted: [W]=WARN
[  471.504038][T18097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[471.504787][T18097] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 471.505393][T18097] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  471.507473][T18097] RSP: 0018:ffffc90004057080 EFLAGS: 00010246
[  471.508219][T18097] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  471.509014][T18097] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  471.509505][T18097] RBP: ffffc90004057168 R08: 0000000000000000 R09: 0000000000000000
[  471.509996][T18097] R10: ffffc90004057198 R11: ffffffff9a8a8918 R12: 1ffff9200080ae14
[  471.510476][T18097] R13: 00000000000005dc R14: ffffc90004057198 R15: ffff88800fa6af08
[  471.510963][T18097] FS:  00007f48808e7800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  471.511537][T18097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  471.511951][T18097] CR2: 00000000004a1738 CR3: 000000000595b003 CR4: 0000000000772ef0
[  471.512440][T18097] PKRU: 55555554
[  471.512719][T18097] Call Trace:
[  471.512970][T18097]  <TASK>
[471.513142][T18097] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[471.513488][T18097] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[471.513829][T18097] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[471.514230][T18097] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[471.514557][T18097] netif_set_mtu (net/core/dev.c:9652) 
[471.514896][T18097] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[471.515229][T18097] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[471.515683][T18097] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[471.515928][T18097] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[471.516360][T18097] br_add_if (net/bridge/br_if.c:697) bridge 
[471.516729][T18097] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[471.517058][T18097] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[471.517382][T18097] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[471.517718][T18097] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[471.518036][T18097] ? __dev_get_by_name (net/core/dev.c:865) 
[471.518357][T18097] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.518692][T18097] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.519030][T18097] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[471.519355][T18097] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.519690][T18097] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[471.520024][T18097] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[471.520355][T18097] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.520697][T18097] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[471.521022][T18097] ? __lock_release (kernel/locking/lockdep.c:5539) 
[471.521348][T18097] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.521689][T18097] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[471.522015][T18097] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.522341][T18097] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.522679][T18097] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[471.523009][T18097] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.523328][T18097] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[471.523692][T18097] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[471.524021][T18097] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[471.524350][T18097] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[471.524690][T18097] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[471.525070][T18097] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.525406][T18097] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[471.525745][T18097] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[471.526075][T18097] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[471.526410][T18097] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[471.526748][T18097] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[471.527334][T18097] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[471.527787][T18097] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[471.528133][T18097] ___sys_sendmsg (net/socket.c:2670) 
[471.528983][T18097] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[471.529322][T18097] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[471.529667][T18097] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.530003][T18097] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[471.530591][T18097] ? __handle_mm_fault (mm/memory.c:6212) 
[471.530930][T18097] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[471.531261][T18097] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[471.531617][T18097] __sys_sendmsg (net/socket.c:2700) 
[471.532186][T18097] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[471.532517][T18097] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[471.532871][T18097] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[471.533215][T18097] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[471.533560][T18097] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[471.533911][T18097] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  471.534578][T18097] RIP: 0033:0x7f4880ab41e7
[ 471.534939][T18097] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  471.536680][T18097] RSP: 002b:00007ffff95084e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  471.537433][T18097] RAX: ffffffffffffffda RBX: 00007ffff9508c10 RCX: 00007f4880ab41e7
[  471.537930][T18097] RDX: 0000000000000000 RSI: 00007ffff9508550 RDI: 0000000000000005
[  471.538428][T18097] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  471.539205][T18097] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff9508c48
[  471.539723][T18097] R13: 00000000686e5f9d R14: 0000000000499600 R15: 0000000000000000
| [  471.726631][T18098] ------------[ cut here ]------------
| [471.727031][T18098] WARNING: CPU: 1 PID: 18098 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  471.728197][T18098] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  471.729483][T18098] Tainted: [W]=WARN
[  471.729752][T18098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[471.730167][T18098] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 471.730509][T18098] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  471.731702][T18098] RSP: 0018:ffffc90004067080 EFLAGS: 00010246
[  471.732122][T18098] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  471.732630][T18098] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  471.733134][T18098] RBP: ffffc90004067168 R08: 0000000000000000 R09: 0000000000000000
[  471.733641][T18098] R10: ffffc90004067198 R11: ffffffff9a8a8918 R12: 1ffff9200080ce14
[  471.734136][T18098] R13: 00000000000005dc R14: ffffc90004067198 R15: ffff88800fa6af08
[  471.734643][T18098] FS:  00007f9187484800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  471.735230][T18098] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  471.735655][T18098] CR2: 00000000004a1738 CR3: 000000000f213004 CR4: 0000000000772ef0
[  471.736152][T18098] PKRU: 55555554
[  471.736399][T18098] Call Trace:
[  471.736661][T18098]  <TASK>
[471.736834][T18098] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[471.737172][T18098] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[471.737509][T18098] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[471.737936][T18098] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[471.738269][T18098] netif_set_mtu (net/core/dev.c:9652) 
[471.738605][T18098] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[471.738948][T18098] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[471.739396][T18098] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[471.739648][T18098] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[471.740093][T18098] br_add_if (net/bridge/br_if.c:697) bridge 
[471.740465][T18098] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[471.740816][T18098] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[471.741143][T18098] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[471.741462][T18098] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[471.741788][T18098] ? __dev_get_by_name (net/core/dev.c:865) 
[471.742118][T18098] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.742437][T18098] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.742787][T18098] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[471.743101][T18098] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.743418][T18098] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[471.743754][T18098] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[471.744075][T18098] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.744403][T18098] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[471.744743][T18098] ? __lock_release (kernel/locking/lockdep.c:5539) 
[471.745070][T18098] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.745399][T18098] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[471.745742][T18098] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.746075][T18098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.746400][T18098] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[471.746766][T18098] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.747091][T18098] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[471.747427][T18098] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[471.747756][T18098] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[471.748081][T18098] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[471.748426][T18098] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[471.748757][T18098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.749095][T18098] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[471.749413][T18098] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[471.749750][T18098] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[471.750085][T18098] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[471.750449][T18098] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[471.750774][T18098] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[471.751171][T18098] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[471.751492][T18098] ___sys_sendmsg (net/socket.c:2670) 
[471.751823][T18098] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[471.752144][T18098] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[471.752460][T18098] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.752787][T18098] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[471.753107][T18098] ? __handle_mm_fault (mm/memory.c:6212) 
[471.753419][T18098] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[471.753745][T18098] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[471.754081][T18098] __sys_sendmsg (net/socket.c:2700) 
[471.754395][T18098] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[471.754743][T18098] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[471.755072][T18098] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[471.755389][T18098] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[471.755720][T18098] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[471.756039][T18098] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  471.756441][T18098] RIP: 0033:0x7f91876511e7
[ 471.756786][T18098] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  471.757949][T18098] RSP: 002b:00007ffe0d403648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  471.758428][T18098] RAX: ffffffffffffffda RBX: 00007ffe0d403d70 RCX: 00007f91876511e7
[  471.758934][T18098] RDX: 0000000000000000 RSI: 00007ffe0d4036b0 RDI: 0000000000000005
[  471.759408][T18098] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  471.759892][T18098] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe0d403da8
[  471.760360][T18098] R13: 00000000686e5f9d R14: 0000000000499600 R15: 0000000000000000
| [  471.978580][T18100] ------------[ cut here ]------------
| [471.978963][T18100] WARNING: CPU: 0 PID: 18100 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  471.979743][T18100] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  471.981147][T18100] Tainted: [W]=WARN
[  471.981410][T18100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[471.981919][T18100] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 471.982336][T18100] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  471.983695][T18100] RSP: 0018:ffffc90006c07080 EFLAGS: 00010246
[  471.984151][T18100] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  471.984658][T18100] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  471.985298][T18100] RBP: ffffc90006c07168 R08: 0000000000000000 R09: 0000000000000000
[  471.985886][T18100] R10: ffffc90006c07198 R11: ffffffff9a8a8918 R12: 1ffff92000d80e14
[  471.986506][T18100] R13: 00000000000005dc R14: ffffc90006c07198 R15: ffff88800fa6af08
[  471.987167][T18100] FS:  00007f6338f04800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  471.987810][T18100] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  471.988319][T18100] CR2: 00000000004a1738 CR3: 00000000127bd004 CR4: 0000000000772ef0
[  471.988871][T18100] PKRU: 55555554
[  471.989311][T18100] Call Trace:
[  471.989649][T18100]  <TASK>
[471.989833][T18100] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[471.990271][T18100] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[471.990692][T18100] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[471.991221][T18100] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[471.991561][T18100] netif_set_mtu (net/core/dev.c:9652) 
[471.991929][T18100] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[471.992397][T18100] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[471.993003][T18100] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[471.993259][T18100] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[471.993826][T18100] br_add_if (net/bridge/br_if.c:697) bridge 
[471.994283][T18100] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[471.994731][T18100] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[471.995090][T18100] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[471.995514][T18100] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[471.995881][T18100] ? __dev_get_by_name (net/core/dev.c:865) 
[471.996281][T18100] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.996711][T18100] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.997241][T18100] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[471.997644][T18100] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.998008][T18100] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[471.998442][T18100] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[471.998796][T18100] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.999260][T18100] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[471.999614][T18100] ? __lock_release (kernel/locking/lockdep.c:5539) 
[472.000059][T18100] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.000395][T18100] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[472.000747][T18100] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.001102][T18100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.001526][T18100] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[472.001921][T18100] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.002338][T18100] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[472.002712][T18100] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[472.003126][T18100] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[472.003517][T18100] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[472.003947][T18100] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[472.004372][T18100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.004730][T18100] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[472.005159][T18100] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[472.005503][T18100] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[472.005897][T18100] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[472.006442][T18100] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[472.006830][T18100] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[472.007344][T18100] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[472.007745][T18100] ___sys_sendmsg (net/socket.c:2670) 
[472.008145][T18100] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[472.008583][T18100] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[472.008946][T18100] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.009372][T18100] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[472.009737][T18100] ? __handle_mm_fault (mm/memory.c:6212) 
[472.010183][T18100] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[472.010526][T18100] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[472.010973][T18100] __sys_sendmsg (net/socket.c:2700) 
[472.011360][T18100] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[472.011708][T18100] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[472.012161][T18100] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[472.012522][T18100] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[472.012903][T18100] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[472.013247][T18100] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.013676][T18100] RIP: 0033:0x7f63390d11e7
[ 472.014195][T18100] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  472.015607][T18100] RSP: 002b:00007ffc5ccd4ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.016150][T18100] RAX: ffffffffffffffda RBX: 00007ffc5ccd51f0 RCX: 00007f63390d11e7
[  472.016674][T18100] RDX: 0000000000000000 RSI: 00007ffc5ccd4b30 RDI: 0000000000000005
[  472.017197][T18100] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  472.017708][T18100] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc5ccd5228
[  472.018217][T18100] R13: 00000000686e5f9d R14: 0000000000499600 R15: 0000000000000000
| [  472.192215][T18102] ------------[ cut here ]------------
| [472.193210][T18102] WARNING: CPU: 0 PID: 18102 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  472.194013][T18102] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  472.195450][T18102] Tainted: [W]=WARN
[  472.195731][T18102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[472.196158][T18102] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 472.196502][T18102] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  472.197781][T18102] RSP: 0018:ffffc90009277080 EFLAGS: 00010246
[  472.198256][T18102] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  472.198800][T18102] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  472.199397][T18102] RBP: ffffc90009277168 R08: 0000000000000000 R09: 0000000000000000
[  472.199954][T18102] R10: ffffc90009277198 R11: ffffffff9a8a8918 R12: 1ffff9200124ee14
[  472.200500][T18102] R13: 00000000000005dc R14: ffffc90009277198 R15: ffff88800fa6af08
[  472.201027][T18102] FS:  00007f033ccee800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  472.201680][T18102] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  472.202145][T18102] CR2: 00007f033cf025c0 CR3: 000000000a367002 CR4: 0000000000772ef0
[  472.202695][T18102] PKRU: 55555554
[  472.202985][T18102] Call Trace:
[  472.203257][T18102]  <TASK>
[472.203442][T18102] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[472.203826][T18102] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[472.204189][T18102] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[472.204659][T18102] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[472.205075][T18102] netif_set_mtu (net/core/dev.c:9652) 
[472.205506][T18102] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[472.205934][T18102] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[472.206523][T18102] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[472.206872][T18102] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[472.207556][T18102] br_add_if (net/bridge/br_if.c:697) bridge 
[472.208089][T18102] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[472.208495][T18102] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[472.208956][T18102] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[472.209452][T18102] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[472.209895][T18102] ? __dev_get_by_name (net/core/dev.c:865) 
[472.210337][T18102] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.210763][T18102] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.211196][T18102] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[472.211617][T18102] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.212088][T18102] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[472.212516][T18102] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[472.212954][T18102] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.213451][T18102] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[472.213972][T18102] ? __lock_release (kernel/locking/lockdep.c:5539) 
[472.214529][T18102] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.215030][T18102] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[472.215388][T18102] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.215824][T18102] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.216195][T18102] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[472.216638][T18102] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.217010][T18102] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[472.217372][T18102] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[472.217827][T18102] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[472.218246][T18102] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[472.218685][T18102] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[472.219107][T18102] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.219465][T18102] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[472.219852][T18102] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[472.220205][T18102] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[472.220578][T18102] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[472.221021][T18102] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[472.221372][T18102] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[472.221836][T18102] ___sys_sendmsg (net/socket.c:2670) 
[472.222201][T18102] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[472.222654][T18102] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[472.223122][T18102] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[472.223491][T18102] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[472.223972][T18102] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.224343][T18102] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[472.224720][T18102] __sys_sendmsg (net/socket.c:2700) 
[472.225188][T18102] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[472.225667][T18102] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[472.226068][T18102] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[472.226494][T18102] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.227042][T18102] RIP: 0033:0x7f033cebb1e7
[ 472.227426][T18102] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  472.228980][T18102] RSP: 002b:00007ffc5a4526c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.229609][T18102] RAX: ffffffffffffffda RBX: 00007ffc5a452df0 RCX: 00007f033cebb1e7
[  472.230212][T18102] RDX: 0000000000000000 RSI: 00007ffc5a452730 RDI: 0000000000000005
[  472.230813][T18102] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  472.231500][T18102] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc5a452e28
[  472.232137][T18102] R13: 00000000686e5f9d R14: 0000000000499600 R15: 0000000000000000
| [  472.384794][T18104] ------------[ cut here ]------------
| [472.385133][T18104] WARNING: CPU: 0 PID: 18104 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  472.385811][T18104] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  472.386997][T18104] Tainted: [W]=WARN
[  472.387240][T18104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[472.387703][T18104] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 472.388057][T18104] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  472.389279][T18104] RSP: 0018:ffffc90004057080 EFLAGS: 00010246
[  472.389738][T18104] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  472.390254][T18104] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  472.390769][T18104] RBP: ffffc90004057168 R08: 0000000000000000 R09: 0000000000000000
[  472.391303][T18104] R10: ffffc90004057198 R11: ffffffff9a8a8918 R12: 1ffff9200080ae14
[  472.391819][T18104] R13: 00000000000005dc R14: ffffc90004057198 R15: ffff88800fa6af08
[  472.392317][T18104] FS:  00007f41ceb97800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  472.392899][T18104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  472.393324][T18104] CR2: 00007f41cedab5c0 CR3: 00000000056cf005 CR4: 0000000000772ef0
[  472.393843][T18104] PKRU: 55555554
[  472.394096][T18104] Call Trace:
[  472.394340][T18104]  <TASK>
[472.394511][T18104] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[472.394923][T18104] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[472.395263][T18104] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[472.395681][T18104] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[472.396014][T18104] netif_set_mtu (net/core/dev.c:9652) 
[472.396346][T18104] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[472.396693][T18104] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[472.397154][T18104] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[472.397402][T18104] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[472.397928][T18104] br_add_if (net/bridge/br_if.c:697) bridge 
[472.398312][T18104] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[472.398656][T18104] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[472.399013][T18104] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[472.399352][T18104] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[472.399702][T18104] ? __dev_get_by_name (net/core/dev.c:865) 
[472.400047][T18104] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.400393][T18104] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.400747][T18104] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[472.401089][T18104] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.401444][T18104] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[472.401807][T18104] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[472.402162][T18104] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.402523][T18104] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[472.402881][T18104] ? __lock_release (kernel/locking/lockdep.c:5539) 
[472.403227][T18104] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.403590][T18104] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[472.403936][T18104] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.404283][T18104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.404632][T18104] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[472.404974][T18104] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.405313][T18104] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[472.405673][T18104] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[472.406010][T18104] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[472.406353][T18104] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[472.406703][T18104] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[472.407042][T18104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.407385][T18104] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[472.407734][T18104] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[472.408072][T18104] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[472.408419][T18104] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[472.408773][T18104] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[472.409135][T18104] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[472.409589][T18104] ___sys_sendmsg (net/socket.c:2670) 
[472.409991][T18104] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[472.410332][T18104] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[472.410681][T18104] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[472.411011][T18104] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[472.411339][T18104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.411685][T18104] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[472.412023][T18104] __sys_sendmsg (net/socket.c:2700) 
[472.412352][T18104] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[472.412718][T18104] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[472.413056][T18104] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[472.413385][T18104] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.413800][T18104] RIP: 0033:0x7f41ced641e7
[ 472.414138][T18104] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  472.415383][T18104] RSP: 002b:00007ffdcb8c2068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.415915][T18104] RAX: ffffffffffffffda RBX: 00007ffdcb8c2790 RCX: 00007f41ced641e7
[  472.416435][T18104] RDX: 0000000000000000 RSI: 00007ffdcb8c20d0 RDI: 0000000000000005
[  472.416962][T18104] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  472.417484][T18104] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdcb8c27c8
[  472.418005][T18104] R13: 00000000686e5f9e R14: 0000000000499600 R15: 0000000000000000
| [  472.617443][T18106] ------------[ cut here ]------------
| [472.617814][T18106] WARNING: CPU: 0 PID: 18106 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  472.618487][T18106] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  472.619749][T18106] Tainted: [W]=WARN
[  472.620007][T18106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[472.620440][T18106] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 472.620801][T18106] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  472.622023][T18106] RSP: 0018:ffffc90004057080 EFLAGS: 00010246
[  472.622460][T18106] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  472.622979][T18106] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  472.623488][T18106] RBP: ffffc90004057168 R08: 0000000000000000 R09: 0000000000000000
[  472.624004][T18106] R10: ffffc90004057198 R11: ffffffff9a8a8918 R12: 1ffff9200080ae14
[  472.624515][T18106] R13: 00000000000005dc R14: ffffc90004057198 R15: ffff88800fa6af08
[  472.625037][T18106] FS:  00007faec8a35800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  472.625643][T18106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  472.626076][T18106] CR2: 00007efe48062240 CR3: 000000000f6c6004 CR4: 0000000000772ef0
[  472.626606][T18106] PKRU: 55555554
[  472.626875][T18106] Call Trace:
[  472.627144][T18106]  <TASK>
[472.627327][T18106] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[472.627697][T18106] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[472.628047][T18106] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[472.628480][T18106] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[472.628857][T18106] netif_set_mtu (net/core/dev.c:9652) 
[472.629207][T18106] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[472.629564][T18106] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[472.630057][T18106] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[472.630328][T18106] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[472.630819][T18106] br_add_if (net/bridge/br_if.c:697) bridge 
[472.631205][T18106] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[472.631556][T18106] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[472.631914][T18106] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[472.632266][T18106] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[472.632635][T18106] ? __dev_get_by_name (net/core/dev.c:865) 
[472.632981][T18106] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.633328][T18106] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.633694][T18106] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[472.634042][T18106] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.634403][T18106] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[472.634774][T18106] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[472.635124][T18106] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.635490][T18106] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[472.635844][T18106] ? __lock_release (kernel/locking/lockdep.c:5539) 
[472.636190][T18106] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.636532][T18106] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[472.636887][T18106] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.637232][T18106] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.637586][T18106] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[472.637931][T18106] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.638289][T18106] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[472.638662][T18106] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[472.639017][T18106] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[472.639359][T18106] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[472.639717][T18106] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[472.640060][T18106] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.640416][T18106] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[472.640773][T18106] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[472.641117][T18106] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[472.641467][T18106] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[472.641829][T18106] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[472.642173][T18106] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[472.642610][T18106] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[472.642961][T18106] ___sys_sendmsg (net/socket.c:2670) 
[472.643313][T18106] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[472.643666][T18106] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[472.644026][T18106] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.644367][T18106] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[472.644725][T18106] ? __handle_mm_fault (mm/memory.c:6212) 
[472.645073][T18106] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[472.645448][T18106] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[472.645819][T18106] __sys_sendmsg (net/socket.c:2700) 
[472.646160][T18106] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[472.646507][T18106] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[472.646876][T18106] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[472.647221][T18106] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[472.647580][T18106] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[472.647940][T18106] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.648359][T18106] RIP: 0033:0x7faec8c021e7
[ 472.648716][T18106] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  472.649939][T18106] RSP: 002b:00007fff828fd128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.650468][T18106] RAX: ffffffffffffffda RBX: 00007fff828fd850 RCX: 00007faec8c021e7
[  472.650993][T18106] RDX: 0000000000000000 RSI: 00007fff828fd190 RDI: 0000000000000005
[  472.651506][T18106] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  472.652020][T18106] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff828fd888
[  472.652529][T18106] R13: 00000000686e5f9e R14: 0000000000499600 R15: 0000000000000000
| [  472.811426][T18108] ------------[ cut here ]------------
| [472.811800][T18108] WARNING: CPU: 0 PID: 18108 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  472.812455][T18108] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  472.813683][T18108] Tainted: [W]=WARN
[  472.813937][T18108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[472.814360][T18108] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 472.814877][T18108] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  472.816198][T18108] RSP: 0018:ffffc90004057080 EFLAGS: 00010246
[  472.816762][T18108] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  472.817253][T18108] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  472.817765][T18108] RBP: ffffc90004057168 R08: 0000000000000000 R09: 0000000000000000
[  472.818267][T18108] R10: ffffc90004057198 R11: ffffffff9a8a8918 R12: 1ffff9200080ae14
[  472.818779][T18108] R13: 00000000000005dc R14: ffffc90004057198 R15: ffff88800fa6af08
[  472.819307][T18108] FS:  00007f3ddedc3800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  472.819906][T18108] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  472.820331][T18108] CR2: 00000000004a1738 CR3: 00000000127bd006 CR4: 0000000000772ef0
[  472.820849][T18108] PKRU: 55555554
[  472.821104][T18108] Call Trace:
[  472.821359][T18108]  <TASK>
[472.821530][T18108] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[472.821881][T18108] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[472.822218][T18108] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[472.822655][T18108] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[472.822993][T18108] netif_set_mtu (net/core/dev.c:9652) 
[472.823334][T18108] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[472.823693][T18108] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[472.824161][T18108] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[472.824416][T18108] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[472.824880][T18108] br_add_if (net/bridge/br_if.c:697) bridge 
[472.825285][T18108] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[472.825639][T18108] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[472.825999][T18108] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[472.826340][T18108] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[472.826686][T18108] ? __dev_get_by_name (net/core/dev.c:865) 
[472.827025][T18108] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.827361][T18108] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.827710][T18108] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[472.828041][T18108] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.828394][T18108] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[472.828741][T18108] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[472.829097][T18108] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.829446][T18108] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[472.829796][T18108] ? __lock_release (kernel/locking/lockdep.c:5539) 
[472.830144][T18108] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.830485][T18108] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[472.830842][T18108] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.831190][T18108] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.831528][T18108] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[472.831873][T18108] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.832215][T18108] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[472.832578][T18108] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[472.832916][T18108] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[472.833258][T18108] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[472.833607][T18108] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[472.833967][T18108] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.834314][T18108] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[472.834764][T18108] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[472.835105][T18108] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[472.835453][T18108] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[472.835803][T18108] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[472.836141][T18108] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[472.836576][T18108] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[472.836918][T18108] ___sys_sendmsg (net/socket.c:2670) 
[472.837253][T18108] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[472.837603][T18108] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[472.837943][T18108] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.838280][T18108] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[472.838644][T18108] ? __handle_mm_fault (mm/memory.c:6212) 
[472.838999][T18108] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[472.839341][T18108] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[472.839711][T18108] __sys_sendmsg (net/socket.c:2700) 
[472.840052][T18108] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[472.840390][T18108] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[472.840752][T18108] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[472.841109][T18108] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[472.841453][T18108] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[472.841803][T18108] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.842243][T18108] RIP: 0033:0x7f3ddef901e7
[ 472.842610][T18108] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  472.843843][T18108] RSP: 002b:00007ffdf6773088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.844364][T18108] RAX: ffffffffffffffda RBX: 00007ffdf67737b0 RCX: 00007f3ddef901e7
[  472.844893][T18108] RDX: 0000000000000000 RSI: 00007ffdf67730f0 RDI: 0000000000000005
[  472.845427][T18108] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  472.845952][T18108] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf67737e8
[  472.846453][T18108] R13: 00000000686e5f9e R14: 0000000000499600 R15: 0000000000000000
| [  472.994693][T18110] ------------[ cut here ]------------
| [472.995020][T18110] WARNING: CPU: 3 PID: 18110 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  472.995710][T18110] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  472.996886][T18110] Tainted: [W]=WARN
[  472.997133][T18110] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[472.997534][T18110] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 472.997879][T18110] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  472.999064][T18110] RSP: 0018:ffffc90004057080 EFLAGS: 00010246
[  472.999472][T18110] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  473.000446][T18110] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  473.000961][T18110] RBP: ffffc90004057168 R08: 0000000000000000 R09: 0000000000000000
[  473.001442][T18110] R10: ffffc90004057198 R11: ffffffff9a8a8918 R12: 1ffff9200080ae14
[  473.001929][T18110] R13: 00000000000005dc R14: ffffc90004057198 R15: ffff88800fa6af08
[  473.002400][T18110] FS:  00007fb213e74800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  473.002964][T18110] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  473.003369][T18110] CR2: 00000000004a1738 CR3: 0000000012740006 CR4: 0000000000772ef0
[  473.003858][T18110] PKRU: 55555554
[  473.004113][T18110] Call Trace:
[  473.004353][T18110]  <TASK>
[473.004517][T18110] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[473.004853][T18110] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[473.005181][T18110] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[473.005581][T18110] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[473.005904][T18110] netif_set_mtu (net/core/dev.c:9652) 
[473.006222][T18110] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[473.006549][T18110] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[473.007008][T18110] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[473.007265][T18110] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[473.007729][T18110] br_add_if (net/bridge/br_if.c:697) bridge 
[473.008107][T18110] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[473.008456][T18110] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[473.008808][T18110] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[473.009166][T18110] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[473.009505][T18110] ? __dev_get_by_name (net/core/dev.c:865) 
[473.009849][T18110] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.010188][T18110] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.010530][T18110] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[473.010903][T18110] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.011272][T18110] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[473.011644][T18110] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[473.011992][T18110] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.012350][T18110] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[473.012736][T18110] ? __lock_release (kernel/locking/lockdep.c:5539) 
[473.013146][T18110] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.013551][T18110] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[473.014001][T18110] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.014400][T18110] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.014836][T18110] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[473.015216][T18110] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.015604][T18110] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[473.016011][T18110] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[473.016383][T18110] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[473.016806][T18110] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[473.017217][T18110] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[473.017687][T18110] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.018147][T18110] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[473.018601][T18110] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[473.019027][T18110] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[473.019376][T18110] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[473.019730][T18110] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[473.020067][T18110] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[473.020492][T18110] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[473.020846][T18110] ___sys_sendmsg (net/socket.c:2670) 
[473.021183][T18110] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[473.021516][T18110] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[473.021868][T18110] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.022203][T18110] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[473.022545][T18110] ? __handle_mm_fault (mm/memory.c:6212) 
[473.022887][T18110] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[473.023218][T18110] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[473.023582][T18110] __sys_sendmsg (net/socket.c:2700) 
[473.023922][T18110] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[473.024252][T18110] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[473.024600][T18110] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[473.024947][T18110] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[473.025288][T18110] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[473.025638][T18110] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  473.026055][T18110] RIP: 0033:0x7fb2140411e7
[ 473.026408][T18110] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  473.027613][T18110] RSP: 002b:00007fffa975f588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.028120][T18110] RAX: ffffffffffffffda RBX: 00007fffa975fcb0 RCX: 00007fb2140411e7
[  473.028625][T18110] RDX: 0000000000000000 RSI: 00007fffa975f5f0 RDI: 0000000000000005
[  473.029148][T18110] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  473.029656][T18110] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffa975fce8
[  473.030167][T18110] R13: 00000000686e5f9e R14: 0000000000499600 R15: 0000000000000000
| [  473.199141][T18113] ------------[ cut here ]------------
| [473.199474][T18113] WARNING: CPU: 3 PID: 18113 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  473.200171][T18113] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  473.201394][T18113] Tainted: [W]=WARN
[  473.201659][T18113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[473.202085][T18113] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 473.202437][T18113] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  473.203826][T18113] RSP: 0018:ffffc90004067080 EFLAGS: 00010246
[  473.204271][T18113] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  473.204922][T18113] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  473.205432][T18113] RBP: ffffc90004067168 R08: 0000000000000000 R09: 0000000000000000
[  473.205977][T18113] R10: ffffc90004067198 R11: ffffffff9a8a8918 R12: 1ffff9200080ce14
[  473.206496][T18113] R13: 00000000000005dc R14: ffffc90004067198 R15: ffff88800fa6af08
[  473.207022][T18113] FS:  00007f2ba7049800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  473.207631][T18113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  473.208071][T18113] CR2: 00007efe480ab840 CR3: 0000000004f4d004 CR4: 0000000000772ef0
[  473.208587][T18113] PKRU: 55555554
[  473.208858][T18113] Call Trace:
[  473.209114][T18113]  <TASK>
[473.209285][T18113] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[473.209639][T18113] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[473.209986][T18113] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[473.210409][T18113] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[473.210797][T18113] netif_set_mtu (net/core/dev.c:9652) 
[473.211143][T18113] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[473.211488][T18113] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[473.211980][T18113] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[473.212253][T18113] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[473.212730][T18113] br_add_if (net/bridge/br_if.c:697) bridge 
[473.213134][T18113] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[473.213475][T18113] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[473.213838][T18113] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[473.214183][T18113] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[473.214522][T18113] ? __dev_get_by_name (net/core/dev.c:865) 
[473.214879][T18113] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.215223][T18113] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.215583][T18113] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[473.215927][T18113] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.216267][T18113] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[473.216720][T18113] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[473.217151][T18113] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.217666][T18113] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[473.218095][T18113] ? __lock_release (kernel/locking/lockdep.c:5539) 
[473.218520][T18113] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.218956][T18113] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[473.219380][T18113] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.219804][T18113] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.220203][T18113] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[473.220616][T18113] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.221038][T18113] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[473.221467][T18113] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[473.221907][T18113] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[473.222324][T18113] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[473.222741][T18113] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[473.223144][T18113] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.223535][T18113] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[473.223905][T18113] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[473.224334][T18113] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[473.224740][T18113] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[473.225150][T18113] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[473.225562][T18113] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[473.226067][T18113] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[473.226476][T18113] ___sys_sendmsg (net/socket.c:2670) 
[473.226889][T18113] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[473.227288][T18113] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[473.227702][T18113] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.228096][T18113] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[473.228494][T18113] ? __handle_mm_fault (mm/memory.c:6212) 
[473.228917][T18113] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[473.229315][T18113] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[473.229743][T18113] __sys_sendmsg (net/socket.c:2700) 
[473.230170][T18113] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[473.230614][T18113] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[473.231033][T18113] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[473.231431][T18113] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[473.231772][T18113] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[473.232105][T18113] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  473.232515][T18113] RIP: 0033:0x7f2ba72161e7
[ 473.232860][T18113] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  473.234047][T18113] RSP: 002b:00007ffcb2d7ac58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.234620][T18113] RAX: ffffffffffffffda RBX: 00007ffcb2d7b380 RCX: 00007f2ba72161e7
[  473.235112][T18113] RDX: 0000000000000000 RSI: 00007ffcb2d7acc0 RDI: 0000000000000005
[  473.235617][T18113] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  473.236109][T18113] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcb2d7b3b8
[  473.236611][T18113] R13: 00000000686e5f9e R14: 0000000000499600 R15: 0000000000000000
| [  473.413966][T18114] ------------[ cut here ]------------
| [473.414547][T18114] WARNING: CPU: 1 PID: 18114 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  473.415790][T18114] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  473.417888][T18114] Tainted: [W]=WARN
[  473.418335][T18114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[473.419010][T18114] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 473.419355][T18114] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  473.420523][T18114] RSP: 0018:ffffc90006bf7080 EFLAGS: 00010246
[  473.420954][T18114] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  473.421444][T18114] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  473.421943][T18114] RBP: ffffc90006bf7168 R08: 0000000000000000 R09: 0000000000000000
[  473.422434][T18114] R10: ffffc90006bf7198 R11: ffffffff9a8a8918 R12: 1ffff92000d7ee14
[  473.422946][T18114] R13: 00000000000005dc R14: ffffc90006bf7198 R15: ffff88800fa6af08
[  473.423442][T18114] FS:  00007f5d37b29800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  473.424196][T18114] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  473.424763][T18114] CR2: 00000000004a1738 CR3: 0000000012526003 CR4: 0000000000772ef0
[  473.425254][T18114] PKRU: 55555554
[  473.425506][T18114] Call Trace:
[  473.425899][T18114]  <TASK>
[473.426073][T18114] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[473.426408][T18114] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[473.426854][T18114] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[473.427265][T18114] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[473.427608][T18114] netif_set_mtu (net/core/dev.c:9652) 
[473.427938][T18114] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[473.428282][T18114] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[473.428747][T18114] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[473.429009][T18114] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[473.429455][T18114] br_add_if (net/bridge/br_if.c:697) bridge 
[473.429836][T18114] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[473.430164][T18114] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[473.430494][T18114] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[473.430857][T18114] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[473.431184][T18114] ? __dev_get_by_name (net/core/dev.c:865) 
[473.431510][T18114] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.431854][T18114] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.432205][T18114] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[473.432518][T18114] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.432845][T18114] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[473.433177][T18114] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[473.433494][T18114] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.433832][T18114] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[473.434141][T18114] ? __lock_release (kernel/locking/lockdep.c:5539) 
[473.434457][T18114] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.434790][T18114] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[473.435112][T18114] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.435431][T18114] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.435797][T18114] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[473.436131][T18114] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.436461][T18114] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[473.436810][T18114] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[473.437137][T18114] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[473.437467][T18114] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[473.437806][T18114] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[473.438143][T18114] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.438475][T18114] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[473.438836][T18114] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[473.439173][T18114] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[473.439518][T18114] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[473.439849][T18114] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[473.440169][T18114] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[473.440580][T18114] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[473.440899][T18114] ___sys_sendmsg (net/socket.c:2670) 
[473.441213][T18114] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[473.441522][T18114] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[473.441847][T18114] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.442157][T18114] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[473.442471][T18114] ? __handle_mm_fault (mm/memory.c:6212) 
[473.442814][T18114] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[473.443138][T18114] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[473.443464][T18114] __sys_sendmsg (net/socket.c:2700) 
[473.443790][T18114] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[473.444102][T18114] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[473.444424][T18114] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[473.444802][T18114] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[473.445134][T18114] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[473.445460][T18114] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  473.445875][T18114] RIP: 0033:0x7f5d37cf61e7
[ 473.446214][T18114] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  473.447412][T18114] RSP: 002b:00007ffdc421aaf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.447902][T18114] RAX: ffffffffffffffda RBX: 00007ffdc421b220 RCX: 00007f5d37cf61e7
[  473.448373][T18114] RDX: 0000000000000000 RSI: 00007ffdc421ab60 RDI: 0000000000000005
[  473.448860][T18114] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  473.449334][T18114] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc421b258
[  473.449816][T18114] R13: 00000000686e5f9f R14: 0000000000499600 R15: 0000000000000000
| [  473.634358][T18117] ------------[ cut here ]------------
| [473.634724][T18117] WARNING: CPU: 3 PID: 18117 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  473.635559][T18117] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  473.636822][T18117] Tainted: [W]=WARN
[  473.637068][T18117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[473.637465][T18117] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 473.637828][T18117] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  473.639029][T18117] RSP: 0000:ffffc90006be7080 EFLAGS: 00010246
[  473.639458][T18117] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  473.639977][T18117] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  473.640456][T18117] RBP: ffffc90006be7168 R08: 0000000000000000 R09: 0000000000000000
[  473.641195][T18117] R10: ffffc90006be7198 R11: ffffffff9a8a8918 R12: 1ffff92000d7ce14
[  473.641997][T18117] R13: 00000000000005dc R14: ffffc90006be7198 R15: ffff88800fa6af08
[  473.642847][T18117] FS:  00007fd37e781800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  473.643860][T18117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  473.644593][T18117] CR2: 00007fbbe7c93050 CR3: 000000000bb6b004 CR4: 0000000000772ef0
[  473.645501][T18117] PKRU: 55555554
[  473.645957][T18117] Call Trace:
[  473.646391][T18117]  <TASK>
[473.646713][T18117] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[473.647313][T18117] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[473.647911][T18117] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[473.648438][T18117] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[473.648812][T18117] netif_set_mtu (net/core/dev.c:9652) 
[473.649168][T18117] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[473.649584][T18117] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[473.650208][T18117] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[473.650621][T18117] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[473.651272][T18117] br_add_if (net/bridge/br_if.c:697) bridge 
[473.651712][T18117] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[473.652137][T18117] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[473.652478][T18117] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[473.652845][T18117] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[473.653270][T18117] ? __dev_get_by_name (net/core/dev.c:865) 
[473.653668][T18117] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.654076][T18117] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.654412][T18117] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[473.654845][T18117] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.655191][T18117] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[473.655530][T18117] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[473.655890][T18117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.656235][T18117] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[473.656582][T18117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[473.656941][T18117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.657273][T18117] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[473.657621][T18117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.657979][T18117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.658319][T18117] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[473.658665][T18117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.659203][T18117] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[473.659617][T18117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[473.659967][T18117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[473.660301][T18117] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[473.660692][T18117] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[473.661072][T18117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.661410][T18117] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[473.661762][T18117] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[473.662177][T18117] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[473.662537][T18117] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[473.662900][T18117] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[473.663326][T18117] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[473.663862][T18117] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[473.664211][T18117] ___sys_sendmsg (net/socket.c:2670) 
[473.664628][T18117] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[473.665071][T18117] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[473.665407][T18117] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.665760][T18117] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[473.666162][T18117] ? __handle_mm_fault (mm/memory.c:6212) 
[473.666544][T18117] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[473.667007][T18117] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[473.667464][T18117] __sys_sendmsg (net/socket.c:2700) 
[473.667892][T18117] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[473.668376][T18117] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[473.668798][T18117] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[473.669265][T18117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[473.669732][T18117] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[473.670311][T18117] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  473.671060][T18117] RIP: 0033:0x7fd37e94e1e7
[ 473.671671][T18117] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  473.673442][T18117] RSP: 002b:00007ffc9a5221b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.675866][T18117] RAX: ffffffffffffffda RBX: 00007ffc9a5228e0 RCX: 00007fd37e94e1e7
[  473.676424][T18117] RDX: 0000000000000000 RSI: 00007ffc9a522220 RDI: 0000000000000005
[  473.677092][T18117] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  473.677719][T18117] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9a522918
[  473.678373][T18117] R13: 00000000686e5f9f R14: 0000000000499600 R15: 0000000000000000
| [  473.865192][T18118] ------------[ cut here ]------------
| [473.865626][T18118] WARNING: CPU: 2 PID: 18118 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  473.866359][T18118] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  473.867712][T18118] Tainted: [W]=WARN
[  473.867996][T18118] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[473.868466][T18118] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 473.868869][T18118] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  473.870168][T18118] RSP: 0018:ffffc90004047080 EFLAGS: 00010246
[  473.870650][T18118] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  473.871224][T18118] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  473.871788][T18118] RBP: ffffc90004047168 R08: 0000000000000000 R09: 0000000000000000
[  473.872355][T18118] R10: ffffc90004047198 R11: ffffffff9a8a8918 R12: 1ffff92000808e14
[  473.872916][T18118] R13: 00000000000005dc R14: ffffc90004047198 R15: ffff88800fa6af08
[  473.873455][T18118] FS:  00007fa2e8677800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  473.874121][T18118] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  473.874593][T18118] CR2: 00000000004a1738 CR3: 000000000f371003 CR4: 0000000000772ef0
[  473.875145][T18118] PKRU: 55555554
[  473.875425][T18118] Call Trace:
[  473.875727][T18118]  <TASK>
[473.875937][T18118] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[473.876313][T18118] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[473.876710][T18118] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[473.877186][T18118] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[473.877581][T18118] netif_set_mtu (net/core/dev.c:9652) 
[473.877957][T18118] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[473.878335][T18118] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[473.878887][T18118] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[473.879178][T18118] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[473.879682][T18118] br_add_if (net/bridge/br_if.c:697) bridge 
[473.880096][T18118] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[473.880465][T18118] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[473.880866][T18118] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[473.881248][T18118] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[473.881622][T18118] ? __dev_get_by_name (net/core/dev.c:865) 
[473.882006][T18118] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.882393][T18118] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.882786][T18118] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[473.883163][T18118] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.883535][T18118] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[473.883928][T18118] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[473.884315][T18118] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.884707][T18118] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[473.885075][T18118] ? __lock_release (kernel/locking/lockdep.c:5539) 
[473.885444][T18118] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.885820][T18118] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[473.886190][T18118] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.886579][T18118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.886970][T18118] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[473.887339][T18118] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.887723][T18118] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[473.888119][T18118] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[473.888490][T18118] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[473.888880][T18118] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[473.889259][T18118] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[473.889685][T18118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.890030][T18118] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[473.890368][T18118] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[473.890711][T18118] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[473.891049][T18118] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[473.891383][T18118] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[473.891733][T18118] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[473.892144][T18118] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[473.892510][T18118] ___sys_sendmsg (net/socket.c:2670) 
[473.892853][T18118] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[473.893187][T18118] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[473.893518][T18118] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.893860][T18118] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[473.894198][T18118] ? __handle_mm_fault (mm/memory.c:6212) 
[473.894530][T18118] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[473.894870][T18118] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[473.895222][T18118] __sys_sendmsg (net/socket.c:2700) 
[473.895560][T18118] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[473.895910][T18118] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[473.896247][T18118] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[473.896591][T18118] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[473.896928][T18118] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[473.897257][T18118] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  473.897682][T18118] RIP: 0033:0x7fa2e88441e7
[ 473.898029][T18118] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  473.899326][T18118] RSP: 002b:00007ffdc02db978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.899900][T18118] RAX: ffffffffffffffda RBX: 00007ffdc02dc0a0 RCX: 00007fa2e88441e7
[  473.900445][T18118] RDX: 0000000000000000 RSI: 00007ffdc02db9e0 RDI: 0000000000000005
[  473.901012][T18118] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  473.901619][T18118] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc02dc0d8
[  473.902177][T18118] R13: 00000000686e5f9f R14: 0000000000499600 R15: 0000000000000000
| [  474.057370][T18121] ------------[ cut here ]------------
| [474.057815][T18121] WARNING: CPU: 2 PID: 18121 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  474.058551][T18121] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  474.059944][T18121] Tainted: [W]=WARN
[  474.060237][T18121] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[474.060702][T18121] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 474.061084][T18121] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  474.062398][T18121] RSP: 0018:ffffc90004047080 EFLAGS: 00010246
[  474.062885][T18121] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  474.063468][T18121] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  474.064038][T18121] RBP: ffffc90004047168 R08: 0000000000000000 R09: 0000000000000000
[  474.064599][T18121] R10: ffffc90004047198 R11: ffffffff9a8a8918 R12: 1ffff92000808e14
[  474.065156][T18121] R13: 00000000000005dc R14: ffffc90004047198 R15: ffff88800fa6af08
[  474.065750][T18121] FS:  00007f2bbbec1800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  474.066381][T18121] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  474.066868][T18121] CR2: 00000000004a1738 CR3: 00000000127b0001 CR4: 0000000000772ef0
[  474.067442][T18121] PKRU: 55555554
[  474.067748][T18121] Call Trace:
[  474.068035][T18121]  <TASK>
[474.068253][T18121] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[474.068655][T18121] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[474.069047][T18121] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[474.069518][T18121] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[474.069912][T18121] netif_set_mtu (net/core/dev.c:9652) 
[474.070289][T18121] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[474.070695][T18121] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[474.071208][T18121] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[474.071511][T18121] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[474.072050][T18121] br_add_if (net/bridge/br_if.c:697) bridge 
[474.072487][T18121] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[474.072874][T18121] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[474.073262][T18121] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[474.073649][T18121] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[474.074015][T18121] ? __dev_get_by_name (net/core/dev.c:865) 
[474.074389][T18121] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.074768][T18121] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.075159][T18121] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[474.075535][T18121] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.075920][T18121] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[474.076351][T18121] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[474.076708][T18121] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.077051][T18121] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[474.077385][T18121] ? __lock_release (kernel/locking/lockdep.c:5539) 
[474.077734][T18121] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.078083][T18121] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[474.078418][T18121] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.078779][T18121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.079194][T18121] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[474.079593][T18121] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.079982][T18121] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[474.080372][T18121] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[474.080770][T18121] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[474.081145][T18121] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[474.081528][T18121] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[474.081978][T18121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.082383][T18121] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[474.082772][T18121] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[474.083154][T18121] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[474.083541][T18121] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[474.083938][T18121] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[474.084334][T18121] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[474.084811][T18121] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[474.085204][T18121] ___sys_sendmsg (net/socket.c:2670) 
[474.085587][T18121] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[474.085956][T18121] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[474.086332][T18121] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.086717][T18121] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[474.087107][T18121] ? __handle_mm_fault (mm/memory.c:6212) 
[474.087487][T18121] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[474.087875][T18121] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[474.088266][T18121] __sys_sendmsg (net/socket.c:2700) 
[474.088660][T18121] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[474.089042][T18121] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[474.089434][T18121] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[474.089819][T18121] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[474.090211][T18121] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[474.090591][T18121] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  474.091063][T18121] RIP: 0033:0x7f2bbc08e1e7
[ 474.091459][T18121] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  474.092759][T18121] RSP: 002b:00007ffe22354b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  474.093308][T18121] RAX: ffffffffffffffda RBX: 00007ffe223552a0 RCX: 00007f2bbc08e1e7
[  474.093867][T18121] RDX: 0000000000000000 RSI: 00007ffe22354be0 RDI: 0000000000000005
[  474.094423][T18121] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  474.094974][T18121] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe223552d8
[  474.095526][T18121] R13: 00000000686e5f9f R14: 0000000000499600 R15: 0000000000000000
| [  474.279009][T18122] ------------[ cut here ]------------
| [474.279345][T18122] WARNING: CPU: 2 PID: 18122 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  474.280088][T18122] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  474.281316][T18122] Tainted: [W]=WARN
[  474.281601][T18122] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[474.282014][T18122] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 474.282361][T18122] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  474.283576][T18122] RSP: 0018:ffffc90004047080 EFLAGS: 00010246
[  474.283991][T18122] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  474.284487][T18122] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  474.284979][T18122] RBP: ffffc90004047168 R08: 0000000000000000 R09: 0000000000000000
[  474.285478][T18122] R10: ffffc90004047198 R11: ffffffff9a8a8918 R12: 1ffff92000808e14
[  474.286010][T18122] R13: 00000000000005dc R14: ffffc90004047198 R15: ffff88800fa6af08
[  474.286547][T18122] FS:  00007fc1187c7800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  474.287204][T18122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  474.287679][T18122] CR2: 00000000004a1738 CR3: 000000000bfbb001 CR4: 0000000000772ef0
[  474.288242][T18122] PKRU: 55555554
[  474.288528][T18122] Call Trace:
[  474.288817][T18122]  <TASK>
[474.289036][T18122] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[474.289409][T18122] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[474.289803][T18122] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[474.290259][T18122] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[474.290644][T18122] netif_set_mtu (net/core/dev.c:9652) 
[474.291022][T18122] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[474.291452][T18122] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[474.291986][T18122] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[474.292290][T18122] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[474.292820][T18122] br_add_if (net/bridge/br_if.c:697) bridge 
[474.293227][T18122] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[474.293562][T18122] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[474.293939][T18122] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[474.294334][T18122] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[474.294739][T18122] ? __dev_get_by_name (net/core/dev.c:865) 
[474.295136][T18122] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.295552][T18122] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.295961][T18122] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[474.296353][T18122] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.296749][T18122] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[474.297142][T18122] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[474.297540][T18122] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.297981][T18122] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[474.298403][T18122] ? __lock_release (kernel/locking/lockdep.c:5539) 
[474.298831][T18122] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.299185][T18122] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[474.299583][T18122] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.299974][T18122] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.300368][T18122] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[474.300774][T18122] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.301183][T18122] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[474.301605][T18122] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[474.302012][T18122] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[474.302415][T18122] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[474.302829][T18122] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[474.303271][T18122] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.303708][T18122] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[474.304114][T18122] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[474.304554][T18122] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[474.305035][T18122] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[474.305457][T18122] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[474.305860][T18122] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[474.306363][T18122] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[474.306770][T18122] ___sys_sendmsg (net/socket.c:2670) 
[474.307129][T18122] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[474.307471][T18122] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[474.307819][T18122] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.308147][T18122] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[474.308478][T18122] ? __handle_mm_fault (mm/memory.c:6212) 
[474.308837][T18122] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[474.309188][T18122] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[474.309549][T18122] __sys_sendmsg (net/socket.c:2700) 
[474.309909][T18122] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[474.310240][T18122] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[474.310600][T18122] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[474.310949][T18122] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[474.311305][T18122] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[474.311698][T18122] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  474.312109][T18122] RIP: 0033:0x7fc1189941e7
[ 474.312501][T18122] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  474.313655][T18122] RSP: 002b:00007ffc26728738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  474.314221][T18122] RAX: ffffffffffffffda RBX: 00007ffc26728e60 RCX: 00007fc1189941e7
[  474.314763][T18122] RDX: 0000000000000000 RSI: 00007ffc267287a0 RDI: 0000000000000005
[  474.315275][T18122] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  474.315805][T18122] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc26728e98
[  474.316340][T18122] R13: 00000000686e5fa0 R14: 0000000000499600 R15: 0000000000000000
| [  474.468750][T18124] ------------[ cut here ]------------
| [474.469085][T18124] WARNING: CPU: 3 PID: 18124 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  474.469765][T18124] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  474.470905][T18124] Tainted: [W]=WARN
[  474.471142][T18124] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[474.471541][T18124] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 474.471899][T18124] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  474.473069][T18124] RSP: 0018:ffffc90004037080 EFLAGS: 00010246
[  474.473493][T18124] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  474.473985][T18124] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  474.474471][T18124] RBP: ffffc90004037168 R08: 0000000000000000 R09: 0000000000000000
[  474.474963][T18124] R10: ffffc90004037198 R11: ffffffff9a8a8918 R12: 1ffff92000806e14
[  474.475454][T18124] R13: 00000000000005dc R14: ffffc90004037198 R15: ffff88800fa6af08
[  474.475957][T18124] FS:  00007f736eb2b800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  474.476533][T18124] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  474.476950][T18124] CR2: 00000000004a1738 CR3: 0000000010ff7001 CR4: 0000000000772ef0
[  474.477461][T18124] PKRU: 55555554
[  474.477708][T18124] Call Trace:
[  474.477945][T18124]  <TASK>
[474.478118][T18124] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[474.478464][T18124] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[474.478809][T18124] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[474.479227][T18124] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[474.479579][T18124] netif_set_mtu (net/core/dev.c:9652) 
[474.479918][T18124] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[474.480267][T18124] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[474.480725][T18124] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[474.480968][T18124] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[474.481407][T18124] br_add_if (net/bridge/br_if.c:697) bridge 
[474.481783][T18124] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[474.482100][T18124] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[474.482416][T18124] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[474.482745][T18124] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[474.483070][T18124] ? __dev_get_by_name (net/core/dev.c:865) 
[474.483398][T18124] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.483735][T18124] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.484068][T18124] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[474.484398][T18124] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.484725][T18124] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[474.485051][T18124] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[474.485378][T18124] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.485726][T18124] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[474.486064][T18124] ? __lock_release (kernel/locking/lockdep.c:5539) 
[474.486400][T18124] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.486748][T18124] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[474.487079][T18124] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.487413][T18124] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.487750][T18124] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[474.488073][T18124] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.488411][T18124] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[474.488764][T18124] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[474.489108][T18124] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[474.489442][T18124] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[474.489784][T18124] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[474.490107][T18124] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.490437][T18124] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[474.490776][T18124] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[474.491103][T18124] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[474.491433][T18124] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[474.491808][T18124] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[474.492139][T18124] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[474.492558][T18124] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[474.492897][T18124] ___sys_sendmsg (net/socket.c:2670) 
[474.493242][T18124] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[474.493584][T18124] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[474.493912][T18124] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.494232][T18124] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[474.494579][T18124] ? __handle_mm_fault (mm/memory.c:6212) 
[474.494912][T18124] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[474.495240][T18124] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[474.495606][T18124] __sys_sendmsg (net/socket.c:2700) 
[474.495939][T18124] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[474.496268][T18124] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[474.496615][T18124] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[474.496952][T18124] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[474.497291][T18124] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[474.497629][T18124] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  474.498040][T18124] RIP: 0033:0x7f736ecf81e7
[ 474.498378][T18124] Code: Unable to access opcode bytes at 0x7f736ecf81bd.

Code starting with the faulting instruction
===========================================
[  474.498828][T18124] RSP: 002b:00007fff7d62d9c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  474.499314][T18124] RAX: ffffffffffffffda RBX: 00007fff7d62e0f0 RCX: 00007f736ecf81e7
[  474.499800][T18124] RDX: 0000000000000000 RSI: 00007fff7d62da30 RDI: 0000000000000005
[  474.500289][T18124] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  474.500787][T18124] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff7d62e128
[  474.501284][T18124] R13: 00000000686e5fa0 R14: 0000000000499600 R15: 0000000000000000
| [  474.732725][T18126] ------------[ cut here ]------------
| [474.733058][T18126] WARNING: CPU: 0 PID: 18126 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  474.733835][T18126] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  474.735004][T18126] Tainted: [W]=WARN
[  474.735244][T18126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[474.735644][T18126] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 474.735991][T18126] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  474.737123][T18126] RSP: 0018:ffffc900096d7080 EFLAGS: 00010246
[  474.737527][T18126] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  474.738012][T18126] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  474.738486][T18126] RBP: ffffc900096d7168 R08: 0000000000000000 R09: 0000000000000000
[  474.738987][T18126] R10: ffffc900096d7198 R11: ffffffff9a8a8918 R12: 1ffff920012dae14
[  474.739471][T18126] R13: 00000000000005dc R14: ffffc900096d7198 R15: ffff88800fa6af08
[  474.739960][T18126] FS:  00007fbd677d7800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  474.740508][T18126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  474.740916][T18126] CR2: 00007efe480ab840 CR3: 0000000013ed1005 CR4: 0000000000772ef0
[  474.741394][T18126] PKRU: 55555554
[  474.741642][T18126] Call Trace:
[  474.741880][T18126]  <TASK>
[474.742043][T18126] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[474.742366][T18126] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[474.742695][T18126] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[474.743094][T18126] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[474.743415][T18126] netif_set_mtu (net/core/dev.c:9652) 
[474.743738][T18126] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[474.744065][T18126] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[474.744497][T18126] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[474.744744][T18126] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[474.745178][T18126] br_add_if (net/bridge/br_if.c:697) bridge 
[474.745538][T18126] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[474.745863][T18126] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[474.746186][T18126] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[474.746507][T18126] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[474.746827][T18126] ? __dev_get_by_name (net/core/dev.c:865) 
[474.747141][T18126] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.747458][T18126] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.747792][T18126] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[474.748105][T18126] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.748433][T18126] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[474.748768][T18126] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[474.749107][T18126] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.749439][T18126] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[474.749761][T18126] ? __lock_release (kernel/locking/lockdep.c:5539) 
[474.750081][T18126] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.750399][T18126] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[474.750722][T18126] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.751043][T18126] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.751368][T18126] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[474.751695][T18126] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.752018][T18126] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[474.752344][T18126] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[474.752666][T18126] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[474.752987][T18126] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[474.753306][T18126] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[474.753647][T18126] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.753971][T18126] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[474.754292][T18126] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[474.754620][T18126] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[474.754948][T18126] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[474.755267][T18126] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[474.755592][T18126] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[474.755996][T18126] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[474.756319][T18126] ___sys_sendmsg (net/socket.c:2670) 
[474.756651][T18126] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[474.756967][T18126] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[474.757294][T18126] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.757625][T18126] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[474.757949][T18126] ? __handle_mm_fault (mm/memory.c:6212) 
[474.758266][T18126] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[474.758584][T18126] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[474.758932][T18126] __sys_sendmsg (net/socket.c:2700) 
[474.759253][T18126] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[474.759582][T18126] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[474.759916][T18126] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[474.760235][T18126] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[474.760560][T18126] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[474.760939][T18126] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  474.761333][T18126] RIP: 0033:0x7fbd679a41e7
[ 474.761685][T18126] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  474.762830][T18126] RSP: 002b:00007fffe1131bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  474.763312][T18126] RAX: ffffffffffffffda RBX: 00007fffe1132320 RCX: 00007fbd679a41e7
[  474.763818][T18126] RDX: 0000000000000000 RSI: 00007fffe1131c60 RDI: 0000000000000005
[  474.764299][T18126] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  474.764781][T18126] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe1132358
[  474.765264][T18126] R13: 00000000686e5fa0 R14: 0000000000499600 R15: 0000000000000000
| [  474.930151][T18128] ------------[ cut here ]------------
| [474.930493][T18128] WARNING: CPU: 2 PID: 18128 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  474.931209][T18128] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  474.932381][T18128] Tainted: [W]=WARN
[  474.932642][T18128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[474.933058][T18128] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 474.933403][T18128] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  474.934585][T18128] RSP: 0018:ffffc900096d7080 EFLAGS: 00010246
[  474.935001][T18128] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  474.935489][T18128] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  474.935998][T18128] RBP: ffffc900096d7168 R08: 0000000000000000 R09: 0000000000000000
[  474.936496][T18128] R10: ffffc900096d7198 R11: ffffffff9a8a8918 R12: 1ffff920012dae14
[  474.937001][T18128] R13: 00000000000005dc R14: ffffc900096d7198 R15: ffff88800fa6af08
[  474.937485][T18128] FS:  00007f9715ce5800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  474.938069][T18128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  474.938484][T18128] CR2: 00000000004a1738 CR3: 0000000013569002 CR4: 0000000000772ef0
[  474.938991][T18128] PKRU: 55555554
[  474.939251][T18128] Call Trace:
[  474.939501][T18128]  <TASK>
[474.939696][T18128] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[474.940046][T18128] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[474.940382][T18128] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[474.940804][T18128] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[474.941145][T18128] netif_set_mtu (net/core/dev.c:9652) 
[474.941480][T18128] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[474.941830][T18128] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[474.942290][T18128] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[474.942560][T18128] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[474.943024][T18128] br_add_if (net/bridge/br_if.c:697) bridge 
[474.943401][T18128] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[474.943738][T18128] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[474.944068][T18128] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[474.944399][T18128] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[474.944730][T18128] ? __dev_get_by_name (net/core/dev.c:865) 
[474.945059][T18128] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.945383][T18128] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.945734][T18128] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[474.946058][T18128] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.946389][T18128] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[474.946735][T18128] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[474.947078][T18128] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.947413][T18128] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[474.947745][T18128] ? __lock_release (kernel/locking/lockdep.c:5539) 
[474.948081][T18128] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.948417][T18128] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[474.948753][T18128] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.949104][T18128] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.949602][T18128] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[474.950122][T18128] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.950486][T18128] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[474.950850][T18128] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[474.951183][T18128] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[474.951531][T18128] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[474.951874][T18128] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[474.952206][T18128] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.952545][T18128] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[474.952888][T18128] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[474.953243][T18128] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[474.953588][T18128] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[474.953923][T18128] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[474.954269][T18128] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[474.954692][T18128] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[474.955026][T18128] ___sys_sendmsg (net/socket.c:2670) 
[474.955376][T18128] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[474.955720][T18128] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[474.956058][T18128] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.956396][T18128] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[474.956748][T18128] ? __handle_mm_fault (mm/memory.c:6212) 
[474.957075][T18128] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[474.957415][T18128] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[474.957766][T18128] __sys_sendmsg (net/socket.c:2700) 
[474.958106][T18128] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[474.958463][T18128] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[474.958818][T18128] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[474.959172][T18128] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[474.959620][T18128] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[474.959956][T18128] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  474.960385][T18128] RIP: 0033:0x7f9715eb21e7
[ 474.960745][T18128] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  474.961902][T18128] RSP: 002b:00007ffcc9ed2238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  474.962402][T18128] RAX: ffffffffffffffda RBX: 00007ffcc9ed2960 RCX: 00007f9715eb21e7
[  474.962920][T18128] RDX: 0000000000000000 RSI: 00007ffcc9ed22a0 RDI: 0000000000000005
[  474.963428][T18128] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  474.963935][T18128] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc9ed2998
[  474.964454][T18128] R13: 00000000686e5fa0 R14: 0000000000499600 R15: 0000000000000000
| [  475.130764][T18130] ------------[ cut here ]------------
| [475.131187][T18130] WARNING: CPU: 0 PID: 18130 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  475.132019][T18130] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  475.133528][T18130] Tainted: [W]=WARN
[  475.133868][T18130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[475.134420][T18130] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 475.134867][T18130] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  475.136383][T18130] RSP: 0018:ffffc90009257080 EFLAGS: 00010246
[  475.136922][T18130] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  475.137547][T18130] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  475.138074][T18130] RBP: ffffc90009257168 R08: 0000000000000000 R09: 0000000000000000
[  475.138691][T18130] R10: ffffc90009257198 R11: ffffffff9a8a8918 R12: 1ffff9200124ae14
[  475.139217][T18130] R13: 00000000000005dc R14: ffffc90009257198 R15: ffff88800fa6af08
[  475.139733][T18130] FS:  00007fcedbfe7800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  475.140478][T18130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  475.141003][T18130] CR2: 00000000004a1738 CR3: 0000000005098005 CR4: 0000000000772ef0
[  475.141831][T18130] PKRU: 55555554
[  475.142213][T18130] Call Trace:
[  475.142598][T18130]  <TASK>
[475.142864][T18130] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[475.143320][T18130] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[475.143708][T18130] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[475.144203][T18130] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[475.144541][T18130] netif_set_mtu (net/core/dev.c:9652) 
[475.144911][T18130] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[475.145256][T18130] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[475.145720][T18130] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[475.145996][T18130] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[475.146534][T18130] br_add_if (net/bridge/br_if.c:697) bridge 
[475.146940][T18130] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[475.147283][T18130] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[475.147632][T18130] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[475.148072][T18130] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[475.148463][T18130] ? __dev_get_by_name (net/core/dev.c:865) 
[475.148816][T18130] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.149393][T18130] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.149770][T18130] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[475.150166][T18130] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.150585][T18130] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[475.151005][T18130] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[475.151401][T18130] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.151762][T18130] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[475.152125][T18130] ? __lock_release (kernel/locking/lockdep.c:5539) 
[475.152446][T18130] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.152874][T18130] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[475.153207][T18130] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.153527][T18130] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.153871][T18130] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[475.154195][T18130] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.154526][T18130] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[475.154982][T18130] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[475.155369][T18130] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[475.155726][T18130] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[475.156174][T18130] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[475.156510][T18130] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.156880][T18130] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[475.157348][T18130] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[475.157675][T18130] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[475.158015][T18130] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[475.158351][T18130] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[475.158679][T18130] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[475.159107][T18130] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[475.159428][T18130] ___sys_sendmsg (net/socket.c:2670) 
[475.160109][T18130] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[475.160485][T18130] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[475.160860][T18130] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.161184][T18130] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[475.161509][T18130] ? __handle_mm_fault (mm/memory.c:6212) 
[475.161945][T18130] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[475.162260][T18130] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[475.162686][T18130] __sys_sendmsg (net/socket.c:2700) 
[475.163023][T18130] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[475.163344][T18130] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[475.163715][T18130] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[475.164102][T18130] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[475.164421][T18130] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[475.165624][T18130] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  475.166114][T18130] RIP: 0033:0x7fcedc1b41e7
[ 475.166497][T18130] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  475.168215][T18130] RSP: 002b:00007fff436cc9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  475.168805][T18130] RAX: ffffffffffffffda RBX: 00007fff436cd110 RCX: 00007fcedc1b41e7
[  475.169763][T18130] RDX: 0000000000000000 RSI: 00007fff436cca50 RDI: 0000000000000005
[  475.170332][T18130] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  475.170878][T18130] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff436cd148
[  475.171378][T18130] R13: 00000000686e5fa0 R14: 0000000000499600 R15: 0000000000000000
| [  475.354163][T18132] ------------[ cut here ]------------
| [475.354498][T18132] WARNING: CPU: 0 PID: 18132 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  475.355209][T18132] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  475.356415][T18132] Tainted: [W]=WARN
[  475.356676][T18132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[475.357096][T18132] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 475.357448][T18132] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  475.358675][T18132] RSP: 0018:ffffc90004047080 EFLAGS: 00010246
[  475.359136][T18132] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  475.359641][T18132] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  475.360138][T18132] RBP: ffffc90004047168 R08: 0000000000000000 R09: 0000000000000000
[  475.360649][T18132] R10: ffffc90004047198 R11: ffffffff9a8a8918 R12: 1ffff92000808e14
[  475.361155][T18132] R13: 00000000000005dc R14: ffffc90004047198 R15: ffff88800fa6af08
[  475.361663][T18132] FS:  00007fdf5c077800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  475.362249][T18132] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  475.362676][T18132] CR2: 00000000004a1738 CR3: 0000000004eb7002 CR4: 0000000000772ef0
[  475.363177][T18132] PKRU: 55555554
[  475.363427][T18132] Call Trace:
[  475.363685][T18132]  <TASK>
[475.363863][T18132] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[475.364206][T18132] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[475.364540][T18132] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[475.364970][T18132] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[475.365313][T18132] netif_set_mtu (net/core/dev.c:9652) 
[475.365657][T18132] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[475.366003][T18132] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[475.366465][T18132] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[475.366749][T18132] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[475.367200][T18132] br_add_if (net/bridge/br_if.c:697) bridge 
[475.367584][T18132] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[475.367920][T18132] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[475.368256][T18132] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[475.368597][T18132] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[475.368938][T18132] ? __dev_get_by_name (net/core/dev.c:865) 
[475.369270][T18132] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.369612][T18132] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.369954][T18132] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[475.370280][T18132] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.370627][T18132] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[475.370968][T18132] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[475.371301][T18132] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.371656][T18132] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[475.371985][T18132] ? __lock_release (kernel/locking/lockdep.c:5539) 
[475.372319][T18132] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.372654][T18132] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[475.372986][T18132] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.373315][T18132] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.373654][T18132] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[475.373983][T18132] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.374320][T18132] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[475.374672][T18132] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[475.375005][T18132] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[475.375345][T18132] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[475.375688][T18132] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[475.376020][T18132] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.376356][T18132] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[475.376694][T18132] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[475.377020][T18132] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[475.377356][T18132] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[475.377698][T18132] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[475.378033][T18132] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[475.378451][T18132] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[475.378796][T18132] ___sys_sendmsg (net/socket.c:2670) 
[475.379147][T18132] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[475.379486][T18132] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[475.379835][T18132] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.380171][T18132] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[475.380511][T18132] ? __handle_mm_fault (mm/memory.c:6212) 
[475.380860][T18132] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[475.381203][T18132] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[475.381562][T18132] __sys_sendmsg (net/socket.c:2700) 
[475.381907][T18132] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[475.382237][T18132] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[475.382591][T18132] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[475.382926][T18132] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[475.383261][T18132] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[475.383601][T18132] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  475.384011][T18132] RIP: 0033:0x7fdf5c2441e7
[ 475.384356][T18132] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  475.385565][T18132] RSP: 002b:00007ffded6f1f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  475.386074][T18132] RAX: ffffffffffffffda RBX: 00007ffded6f2640 RCX: 00007fdf5c2441e7
[  475.386574][T18132] RDX: 0000000000000000 RSI: 00007ffded6f1f80 RDI: 0000000000000005
[  475.387078][T18132] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  475.387584][T18132] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffded6f2678
[  475.388085][T18132] R13: 00000000686e5fa1 R14: 0000000000499600 R15: 0000000000000000
| [  475.567729][T18135] ------------[ cut here ]------------
| [475.568104][T18135] WARNING: CPU: 3 PID: 18135 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  475.569816][T18135] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  475.571221][T18135] Tainted: [W]=WARN
[  475.571555][T18135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[475.572242][T18135] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 475.572851][T18135] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  475.574936][T18135] RSP: 0018:ffffc90006bb7080 EFLAGS: 00010246
[  475.575694][T18135] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  475.576416][T18135] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  475.577123][T18135] RBP: ffffc90006bb7168 R08: 0000000000000000 R09: 0000000000000000
[  475.577737][T18135] R10: ffffc90006bb7198 R11: ffffffff9a8a8918 R12: 1ffff92000d76e14
[  475.578425][T18135] R13: 00000000000005dc R14: ffffc90006bb7198 R15: ffff88800fa6af08
[  475.579071][T18135] FS:  00007f2afe4c1800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  475.579662][T18135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  475.580094][T18135] CR2: 00000000004a1738 CR3: 000000000ddf8002 CR4: 0000000000772ef0
[  475.580602][T18135] PKRU: 55555554
[  475.580887][T18135] Call Trace:
[  475.581146][T18135]  <TASK>
[475.581400][T18135] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[475.581781][T18135] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[475.582201][T18135] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[475.582627][T18135] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[475.582972][T18135] netif_set_mtu (net/core/dev.c:9652) 
[475.583310][T18135] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[475.583779][T18135] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[475.584311][T18135] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[475.584584][T18135] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[475.585157][T18135] br_add_if (net/bridge/br_if.c:697) bridge 
[475.585634][T18135] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[475.586183][T18135] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[475.586630][T18135] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[475.587023][T18135] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[475.587415][T18135] ? __dev_get_by_name (net/core/dev.c:865) 
[475.587871][T18135] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.588216][T18135] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.588647][T18135] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[475.589034][T18135] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.589409][T18135] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[475.589881][T18135] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[475.590283][T18135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.590636][T18135] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[475.591081][T18135] ? __lock_release (kernel/locking/lockdep.c:5539) 
[475.591444][T18135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.591872][T18135] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[475.592298][T18135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.592656][T18135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.593088][T18135] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[475.593513][T18135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.593897][T18135] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[475.594327][T18135] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[475.594689][T18135] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[475.595276][T18135] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[475.595702][T18135] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[475.596067][T18135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.596432][T18135] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[475.596794][T18135] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[475.597118][T18135] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[475.597443][T18135] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[475.597801][T18135] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[475.598138][T18135] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[475.598664][T18135] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[475.599209][T18135] ___sys_sendmsg (net/socket.c:2670) 
[475.599642][T18135] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[475.600052][T18135] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[475.600375][T18135] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.600760][T18135] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[475.601224][T18135] ? __handle_mm_fault (mm/memory.c:6212) 
[475.601678][T18135] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[475.602216][T18135] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[475.602610][T18135] __sys_sendmsg (net/socket.c:2700) 
[475.603083][T18135] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[475.603400][T18135] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[475.603753][T18135] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[475.604172][T18135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[475.604551][T18135] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[475.604982][T18135] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  475.605407][T18135] RIP: 0033:0x7f2afe68e1e7
[ 475.605869][T18135] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  475.607336][T18135] RSP: 002b:00007fff277925f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  475.608418][T18135] RAX: ffffffffffffffda RBX: 00007fff27792d20 RCX: 00007f2afe68e1e7
[  475.608936][T18135] RDX: 0000000000000000 RSI: 00007fff27792660 RDI: 0000000000000005
[  475.609412][T18135] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  475.609911][T18135] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff27792d58
[  475.610450][T18135] R13: 00000000686e5fa1 R14: 0000000000499600 R15: 0000000000000000
| [  475.824751][T18136] ------------[ cut here ]------------
| [475.825084][T18136] WARNING: CPU: 0 PID: 18136 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  475.825755][T18136] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  475.826962][T18136] Tainted: [W]=WARN
[  475.827213][T18136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[475.827640][T18136] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 475.827985][T18136] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  475.829171][T18136] RSP: 0018:ffffc90006bb7080 EFLAGS: 00010246
[  475.829593][T18136] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  475.830146][T18136] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  475.830668][T18136] RBP: ffffc90006bb7168 R08: 0000000000000000 R09: 0000000000000000
[  475.831169][T18136] R10: ffffc90006bb7198 R11: ffffffff9a8a8918 R12: 1ffff92000d76e14
[  475.831674][T18136] R13: 00000000000005dc R14: ffffc90006bb7198 R15: ffff88800fa6af08
[  475.832184][T18136] FS:  00007fc2977ef800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  475.832776][T18136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  475.833189][T18136] CR2: 00000000004a1738 CR3: 0000000012d7f006 CR4: 0000000000772ef0
[  475.833687][T18136] PKRU: 55555554
[  475.833934][T18136] Call Trace:
[  475.834178][T18136]  <TASK>
[475.834346][T18136] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[475.834687][T18136] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[475.835022][T18136] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[475.835432][T18136] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[475.835774][T18136] netif_set_mtu (net/core/dev.c:9652) 
[475.836111][T18136] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[475.836455][T18136] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[475.836918][T18136] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[475.837169][T18136] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[475.837622][T18136] br_add_if (net/bridge/br_if.c:697) bridge 
[475.837990][T18136] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[475.838319][T18136] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[475.838662][T18136] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[475.839019][T18136] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[475.839354][T18136] ? __dev_get_by_name (net/core/dev.c:865) 
[475.839698][T18136] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.840036][T18136] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.840372][T18136] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[475.840717][T18136] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.841060][T18136] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[475.841404][T18136] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[475.841750][T18136] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.842097][T18136] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[475.842428][T18136] ? __lock_release (kernel/locking/lockdep.c:5539) 
[475.842769][T18136] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.843101][T18136] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[475.843437][T18136] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.843780][T18136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.844123][T18136] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[475.844458][T18136] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.844803][T18136] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[475.845151][T18136] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[475.845481][T18136] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[475.845826][T18136] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[475.846166][T18136] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[475.846495][T18136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.846844][T18136] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[475.847183][T18136] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[475.847521][T18136] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[475.847871][T18136] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[475.848209][T18136] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[475.848538][T18136] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[475.848974][T18136] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[475.849317][T18136] ___sys_sendmsg (net/socket.c:2670) 
[475.849659][T18136] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[475.849990][T18136] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[475.850322][T18136] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.850660][T18136] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[475.851003][T18136] ? __handle_mm_fault (mm/memory.c:6212) 
[475.851336][T18136] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[475.851673][T18136] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[475.852031][T18136] __sys_sendmsg (net/socket.c:2700) 
[475.852384][T18136] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[475.852706][T18136] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[475.853033][T18136] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[475.853357][T18136] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[475.853692][T18136] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[475.854018][T18136] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  475.854411][T18136] RIP: 0033:0x7fc2979bc1e7
[ 475.854750][T18136] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  475.855881][T18136] RSP: 002b:00007ffc68c0acd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  475.856369][T18136] RAX: ffffffffffffffda RBX: 00007ffc68c0b400 RCX: 00007fc2979bc1e7
[  475.856868][T18136] RDX: 0000000000000000 RSI: 00007ffc68c0ad40 RDI: 0000000000000005
[  475.857351][T18136] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  475.857838][T18136] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc68c0b438
[  475.858311][T18136] R13: 00000000686e5fa1 R14: 0000000000499600 R15: 0000000000000000
| [  476.078509][T18139] ------------[ cut here ]------------
| [476.078916][T18139] WARNING: CPU: 3 PID: 18139 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  476.079576][T18139] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  476.080773][T18139] Tainted: [W]=WARN
[  476.081013][T18139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[476.081402][T18139] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 476.081739][T18139] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  476.082876][T18139] RSP: 0018:ffffc90004067080 EFLAGS: 00010246
[  476.083277][T18139] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  476.083756][T18139] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  476.084223][T18139] RBP: ffffc90004067168 R08: 0000000000000000 R09: 0000000000000000
[  476.084695][T18139] R10: ffffc90004067198 R11: ffffffff9a8a8918 R12: 1ffff9200080ce14
[  476.085166][T18139] R13: 00000000000005dc R14: ffffc90004067198 R15: ffff88800fa6af08
[  476.085648][T18139] FS:  00007f1d8c970800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  476.086196][T18139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  476.086599][T18139] CR2: 00000000004a1738 CR3: 000000000f9d9001 CR4: 0000000000772ef0
[  476.087074][T18139] PKRU: 55555554
[  476.087308][T18139] Call Trace:
[  476.087546][T18139]  <TASK>
[476.087723][T18139] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[476.088048][T18139] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[476.088366][T18139] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[476.088770][T18139] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[476.089121][T18139] netif_set_mtu (net/core/dev.c:9652) 
[476.089440][T18139] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[476.089773][T18139] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[476.090210][T18139] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[476.090451][T18139] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[476.090916][T18139] br_add_if (net/bridge/br_if.c:697) bridge 
[476.091272][T18139] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[476.091604][T18139] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[476.091925][T18139] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[476.092247][T18139] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[476.092574][T18139] ? __dev_get_by_name (net/core/dev.c:865) 
[476.092890][T18139] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[476.093226][T18139] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[476.093724][T18139] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[476.094285][T18139] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[476.094810][T18139] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[476.095355][T18139] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[476.095879][T18139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[476.096437][T18139] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[476.096996][T18139] ? __lock_release (kernel/locking/lockdep.c:5539) 
[476.097539][T18139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[476.098077][T18139] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[476.098646][T18139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[476.099230][T18139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[476.099838][T18139] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[476.100369][T18139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[476.100950][T18139] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[476.101541][T18139] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[476.102121][T18139] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[476.102701][T18139] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[476.103281][T18139] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[476.103826][T18139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[476.104404][T18139] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[476.105000][T18139] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[476.105602][T18139] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[476.106191][T18139] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[476.106784][T18139] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[476.107352][T18139] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[476.108059][T18139] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[476.108602][T18139] ___sys_sendmsg (net/socket.c:2670) 
[476.109153][T18139] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[476.109725][T18139] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[476.110303][T18139] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[476.110860][T18139] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[476.111408][T18139] ? __handle_mm_fault (mm/memory.c:6212) 
[476.111966][T18139] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[476.112511][T18139] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[476.113109][T18139] __sys_sendmsg (net/socket.c:2700) 
[476.113649][T18139] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[476.114173][T18139] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[476.114747][T18139] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[476.115312][T18139] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[476.115891][T18139] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[476.116446][T18139] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  476.117143][T18139] RIP: 0033:0x7f1d8cb3d1e7
[ 476.117723][T18139] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  476.119687][T18139] RSP: 002b:00007ffca7192198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  476.120532][T18139] RAX: ffffffffffffffda RBX: 00007ffca71928c0 RCX: 00007f1d8cb3d1e7
[  476.121371][T18139] RDX: 0000000000000000 RSI: 00007ffca7192200 RDI: 0000000000000005
[  476.122232][T18139] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  476.123061][T18139] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca71928f8
[  476.123901][T18139] R13: 00000000686e5fa1 R14: 0000000000499600 R15: 0000000000000000
| [  476.303636][T18141] ------------[ cut here ]------------
| [476.304118][T18141] WARNING: CPU: 0 PID: 18141 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  476.304755][T18141] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  476.306508][T18141] Tainted: [W]=WARN
[  476.306774][T18141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[476.307190][T18141] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 476.307522][T18141] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  476.308690][T18141] RSP: 0018:ffffc90004067080 EFLAGS: 00010246
[  476.309189][T18141] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  476.309746][T18141] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  476.310334][T18141] RBP: ffffc90004067168 R08: 0000000000000000 R09: 0000000000000000
[  476.310817][T18141] R10: ffffc90004067198 R11: ffffffff9a8a8918 R12: 1ffff9200080ce14
[  476.311312][T18141] R13: 00000000000005dc R14: ffffc90004067198 R15: ffff88800fa6af08
[  476.311910][T18141] FS:  00007f28b7e3f800(0000) GS:ffff88809a6b7000(0000) knlGS:0000000000000000
[  476.312599][T18141] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  476.313084][T18141] CR2: 00007efe47d787b0 CR3: 0000000012a57004 CR4: 0000000000772ef0
[  476.313613][T18141] PKRU: 55555554
[  476.313867][T18141] Call Trace:
[  476.314138][T18141]  <TASK>
[476.314314][T18141] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[476.314760][T18141] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[476.315112][T18141] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[476.315532][T18141] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[476.315887][T18141] netif_set_mtu (net/core/dev.c:9652) 
[476.316237][T18141] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[476.316597][T18141] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[476.317089][T18141] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[476.317344][T18141] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[476.317804][T18141] br_add_if (net/bridge/br_if.c:697) bridge 
[476.318289][T18141] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[476.318621][T18141] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[476.318970][T18141] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[476.319291][T18141] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[476.319613][T18141] ? __dev_get_by_name (net/core/dev.c:865) 
[476.319947][T18141] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[476.320268][T18141] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[476.320605][T18141] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[476.320922][T18141] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[476.321275][T18141] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[476.321620][T18141] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[476.321962][T18141] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[476.322310][T18141] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[476.322722][T18141] ? __lock_release (kernel/locking/lockdep.c:5539) 
[476.323098][T18141] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[476.323430][T18141] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[476.323778][T18141] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[476.324167][T18141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[476.324510][T18141] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[476.324878][T18141] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[476.325291][T18141] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[476.325646][T18141] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[476.325992][T18141] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[476.326327][T18141] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[476.326690][T18141] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[476.327067][T18141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[476.327408][T18141] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[476.327844][T18141] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[476.328223][T18141] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[476.328577][T18141] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[476.328935][T18141] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[476.329273][T18141] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[476.329693][T18141] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[476.330050][T18141] ___sys_sendmsg (net/socket.c:2670) 
[476.330383][T18141] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[476.330723][T18141] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[476.331090][T18141] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[476.331451][T18141] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[476.331856][T18141] ? __handle_mm_fault (mm/memory.c:6212) 
[476.332312][T18141] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[476.332657][T18141] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[476.333079][T18141] __sys_sendmsg (net/socket.c:2700) 
[476.333422][T18141] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[476.333840][T18141] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[476.334201][T18141] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[476.334540][T18141] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[476.334963][T18141] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[476.335401][T18141] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  476.335909][T18141] RIP: 0033:0x7f28b800c1e7
[ 476.336298][T18141] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  476.337665][T18141] RSP: 002b:00007ffd568c18a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  476.338357][T18141] RAX: ffffffffffffffda RBX: 00007ffd568c1fd0 RCX: 00007f28b800c1e7
[  476.339162][T18141] RDX: 0000000000000000 RSI: 00007ffd568c1910 RDI: 0000000000000005
[  476.339809][T18141] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  476.340492][T18141] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd568c2008
[  476.341109][T18141] R13: 00000000686e5fa2 R14: 0000000000499600 R15: 0000000000000000
| [  476.497353][T18142] ------------[ cut here ]------------
| [476.498026][T18142] WARNING: CPU: 3 PID: 18142 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  476.499146][T18142] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  476.501126][T18142] Tainted: [W]=WARN
[  476.501558][T18142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[476.502304][T18142] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 476.502926][T18142] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  476.504941][T18142] RSP: 0018:ffffc900058b7080 EFLAGS: 00010246
[  476.505688][T18142] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  476.506504][T18142] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  476.507342][T18142] RBP: ffffc900058b7168 R08: 0000000000000000 R09: 0000000000000000
[  476.508220][T18142] R10: ffffc900058b7198 R11: ffffffff9a8a8918 R12: 1ffff92000b16e14
[  476.509093][T18142] R13: 00000000000005dc R14: ffffc900058b7198 R15: ffff88800fa6af08
[  476.509963][T18142] FS:  00007fe25f059800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  476.511049][T18142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  476.511802][T18142] CR2: 00007efe48204938 CR3: 0000000013e30002 CR4: 0000000000772ef0
[  476.512652][T18142] PKRU: 55555554
[  476.513084][T18142] Call Trace:
[  476.513516][T18142]  <TASK>
[476.513838][T18142] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[476.514416][T18142] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[476.515003][T18142] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[476.515777][T18142] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[476.516383][T18142] netif_set_mtu (net/core/dev.c:9652) 
[476.516981][T18142] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[476.517606][T18142] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[476.518394][T18142] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[476.518880][T18142] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[476.519689][T18142] br_add_if (net/bridge/br_if.c:697) bridge 
[476.520329][T18142] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[476.520928][T18142] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[476.521518][T18142] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[476.522109][T18142] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[476.522665][T18142] ? __dev_get_by_name (net/core/dev.c:865) 
[476.523245][T18142] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[476.523847][T18142] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[476.524433][T18142] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[476.525063][T18142] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[476.525726][T18142] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[476.526279][T18142] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[476.526849][T18142] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[476.527422][T18142] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[476.527986][T18142] ? __lock_release (kernel/locking/lockdep.c:5539) 
[476.528596][T18142] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[476.529171][T18142] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[476.529762][T18142] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[476.530367][T18142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[476.530984][T18142] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[476.531539][T18142] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[476.532169][T18142] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[476.532807][T18142] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[476.533393][T18142] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[476.533999][T18142] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[476.534624][T18142] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[476.535211][T18142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[476.535816][T18142] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[476.536362][T18142] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[476.536941][T18142] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[476.537536][T18142] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[476.538129][T18142] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[476.538725][T18142] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[476.539451][T18142] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[476.540032][T18142] ___sys_sendmsg (net/socket.c:2670) 
[476.540443][T18142] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[476.540779][T18142] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[476.541117][T18142] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[476.541475][T18142] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[476.541825][T18142] ? __handle_mm_fault (mm/memory.c:6212) 
[476.542173][T18142] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[476.542495][T18142] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[476.542841][T18142] __sys_sendmsg (net/socket.c:2700) 
[476.543363][T18142] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[476.543962][T18142] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[476.544583][T18142] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[476.545175][T18142] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[476.545777][T18142] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[476.546391][T18142] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  476.547107][T18142] RIP: 0033:0x7fe25f2261e7
[ 476.547457][T18142] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  476.548663][T18142] RSP: 002b:00007fffee7945c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  476.549346][T18142] RAX: ffffffffffffffda RBX: 00007fffee794cf0 RCX: 00007fe25f2261e7
[  476.550026][T18142] RDX: 0000000000000000 RSI: 00007fffee794630 RDI: 0000000000000005
[  476.550532][T18142] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  476.551062][T18142] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffee794d28
[  476.551553][T18142] R13: 00000000686e5fa2 R14: 0000000000499600 R15: 0000000000000000
| [  476.708381][T18145] ------------[ cut here ]------------
| [476.708800][T18145] WARNING: CPU: 3 PID: 18145 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  476.709474][T18145] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  476.710692][T18145] Tainted: [W]=WARN
[  476.710948][T18145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[476.711364][T18145] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 476.711713][T18145] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  476.712895][T18145] RSP: 0018:ffffc900058a7080 EFLAGS: 00010246
[  476.713358][T18145] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  476.713877][T18145] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  476.714376][T18145] RBP: ffffc900058a7168 R08: 0000000000000000 R09: 0000000000000000
[  476.714881][T18145] R10: ffffc900058a7198 R11: ffffffff9a8a8918 R12: 1ffff92000b14e14
[  476.715388][T18145] R13: 00000000000005dc R14: ffffc900058a7198 R15: ffff88800fa6af08
[  476.715899][T18145] FS:  00007ff66da3e800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  476.716482][T18145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  476.716907][T18145] CR2: 00000000004a1738 CR3: 0000000013d7c005 CR4: 0000000000772ef0
[  476.717439][T18145] PKRU: 55555554
[  476.717702][T18145] Call Trace:
[  476.717953][T18145]  <TASK>
[476.718128][T18145] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[476.718503][T18145] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[476.718862][T18145] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[476.719270][T18145] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[476.719607][T18145] netif_set_mtu (net/core/dev.c:9652) 
[476.719937][T18145] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[476.720285][T18145] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[476.720764][T18145] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[476.721019][T18145] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[476.721476][T18145] br_add_if (net/bridge/br_if.c:697) bridge 
[476.721866][T18145] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[476.722231][T18145] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[476.722592][T18145] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[476.722936][T18145] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[476.723269][T18145] ? __dev_get_by_name (net/core/dev.c:865) 
[476.723617][T18145] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[476.723948][T18145] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[476.724286][T18145] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[476.724624][T18145] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[476.724962][T18145] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[476.725308][T18145] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[476.725654][T18145] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[476.725999][T18145] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[476.726351][T18145] ? __lock_release (kernel/locking/lockdep.c:5539) 
[476.726696][T18145] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[476.727028][T18145] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[476.727418][T18145] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[476.727749][T18145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[476.728099][T18145] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[476.728438][T18145] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[476.728791][T18145] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[476.729150][T18145] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[476.729488][T18145] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[476.729814][T18145] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[476.730180][T18145] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[476.730756][T18145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[476.731244][T18145] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[476.731863][T18145] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[476.732232][T18145] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[476.732583][T18145] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[476.732917][T18145] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[476.733260][T18145] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[476.733688][T18145] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[476.734275][T18145] ___sys_sendmsg (net/socket.c:2670) 
[476.734624][T18145] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[476.735542][T18145] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[476.735889][T18145] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[476.736223][T18145] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[476.736576][T18145] ? __handle_mm_fault (mm/memory.c:6212) 
[476.736904][T18145] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[476.737234][T18145] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[476.737628][T18145] __sys_sendmsg (net/socket.c:2700) 
[476.737962][T18145] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[476.738294][T18145] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[476.739120][T18145] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[476.739722][T18145] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[476.740057][T18145] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[476.740374][T18145] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  476.740780][T18145] RIP: 0033:0x7ff66dc0b1e7
[ 476.741105][T18145] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  476.742493][T18145] RSP: 002b:00007ffd74e74e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  476.742983][T18145] RAX: ffffffffffffffda RBX: 00007ffd74e755a0 RCX: 00007ff66dc0b1e7
[  476.743453][T18145] RDX: 0000000000000000 RSI: 00007ffd74e74ee0 RDI: 0000000000000005
[  476.743939][T18145] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  476.744408][T18145] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd74e755d8
[  476.744893][T18145] R13: 00000000686e5fa2 R14: 0000000000499600 R15: 0000000000000000
| [  476.899464][T18146] ------------[ cut here ]------------
| [476.899856][T18146] WARNING: CPU: 3 PID: 18146 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  476.900474][T18146] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  476.901623][T18146] Tainted: [W]=WARN
[  476.901870][T18146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[476.902270][T18146] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 476.902603][T18146] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  476.903739][T18146] RSP: 0018:ffffc900058a7080 EFLAGS: 00010246
[  476.904133][T18146] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  476.904617][T18146] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  476.905096][T18146] RBP: ffffc900058a7168 R08: 0000000000000000 R09: 0000000000000000
[  476.905565][T18146] R10: ffffc900058a7198 R11: ffffffff9a8a8918 R12: 1ffff92000b14e14
[  476.906043][T18146] R13: 00000000000005dc R14: ffffc900058a7198 R15: ffff88800fa6af08
[  476.906520][T18146] FS:  00007ff41cebc800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  476.907077][T18146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  476.907481][T18146] CR2: 00000000004a1738 CR3: 000000000de37002 CR4: 0000000000772ef0
[  476.907961][T18146] PKRU: 55555554
[  476.908195][T18146] Call Trace:
[  476.908435][T18146]  <TASK>
[476.908610][T18146] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[476.908943][T18146] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[476.909261][T18146] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[476.909664][T18146] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[476.909984][T18146] netif_set_mtu (net/core/dev.c:9652) 
[476.910299][T18146] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[476.910636][T18146] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[476.911078][T18146] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[476.911319][T18146] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[476.911753][T18146] br_add_if (net/bridge/br_if.c:697) bridge 
[476.912119][T18146] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[476.912447][T18146] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[476.912778][T18146] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[476.913108][T18146] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[476.913419][T18146] ? __dev_get_by_name (net/core/dev.c:865) 
[476.913739][T18146] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[476.914053][T18146] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[476.914371][T18146] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[476.914725][T18146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[476.915062][T18146] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[476.915410][T18146] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[476.915753][T18146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[476.916084][T18146] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[476.916396][T18146] ? __lock_release (kernel/locking/lockdep.c:5539) 
[476.916727][T18146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[476.917043][T18146] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[476.917359][T18146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[476.917689][T18146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[476.918039][T18146] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[476.918367][T18146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[476.918713][T18146] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[476.919069][T18146] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[476.919397][T18146] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[476.919756][T18146] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[476.920091][T18146] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[476.920423][T18146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[476.920765][T18146] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[476.921101][T18146] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[476.921435][T18146] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[476.921788][T18146] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[476.922127][T18146] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[476.922458][T18146] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[476.922897][T18146] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[476.923234][T18146] ___sys_sendmsg (net/socket.c:2670) 
[476.923579][T18146] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[476.923936][T18146] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[476.924267][T18146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[476.924606][T18146] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[476.924949][T18146] ? __handle_mm_fault (mm/memory.c:6212) 
[476.925279][T18146] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[476.925612][T18146] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[476.925964][T18146] __sys_sendmsg (net/socket.c:2700) 
[476.926294][T18146] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[476.926628][T18146] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[476.926963][T18146] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[476.927297][T18146] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[476.927637][T18146] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[476.927974][T18146] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  476.928390][T18146] RIP: 0033:0x7ff41d0891e7
[ 476.928745][T18146] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  476.929937][T18146] RSP: 002b:00007ffe3596ee88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  476.930439][T18146] RAX: ffffffffffffffda RBX: 00007ffe3596f5b0 RCX: 00007ff41d0891e7
[  476.930940][T18146] RDX: 0000000000000000 RSI: 00007ffe3596eef0 RDI: 0000000000000005
[  476.931432][T18146] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  476.931932][T18146] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe3596f5e8
[  476.932427][T18146] R13: 00000000686e5fa2 R14: 0000000000499600 R15: 0000000000000000
| [  477.115300][T18148] ------------[ cut here ]------------
| [477.115714][T18148] WARNING: CPU: 1 PID: 18148 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  477.116398][T18148] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  477.117898][T18148] Tainted: [W]=WARN
[  477.118176][T18148] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[477.118801][T18148] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 477.119184][T18148] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  477.120446][T18148] RSP: 0000:ffffc900058a7080 EFLAGS: 00010246
[  477.120860][T18148] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  477.121342][T18148] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  477.121828][T18148] RBP: ffffc900058a7168 R08: 0000000000000000 R09: 0000000000000000
[  477.122309][T18148] R10: ffffc900058a7198 R11: ffffffff9a8a8918 R12: 1ffff92000b14e14
[  477.122796][T18148] R13: 00000000000005dc R14: ffffc900058a7198 R15: ffff88800fa6af08
[  477.123274][T18148] FS:  00007fc4badf2800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  477.123838][T18148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  477.124241][T18148] CR2: 00007efe48181e80 CR3: 000000000c38a002 CR4: 0000000000772ef0
[  477.124720][T18148] PKRU: 55555554
[  477.124955][T18148] Call Trace:
[  477.125201][T18148]  <TASK>
[477.125364][T18148] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[477.125708][T18148] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[477.126037][T18148] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[477.126434][T18148] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[477.126769][T18148] netif_set_mtu (net/core/dev.c:9652) 
[477.127088][T18148] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[477.127417][T18148] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[477.127860][T18148] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[477.128106][T18148] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[477.128536][T18148] br_add_if (net/bridge/br_if.c:697) bridge 
[477.128930][T18148] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[477.129249][T18148] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[477.129564][T18148] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[477.129891][T18148] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[477.130209][T18148] ? __dev_get_by_name (net/core/dev.c:865) 
[477.130525][T18148] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[477.130847][T18148] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[477.131169][T18148] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[477.131481][T18148] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[477.131806][T18148] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[477.132131][T18148] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[477.132458][T18148] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[477.132796][T18148] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[477.133109][T18148] ? __lock_release (kernel/locking/lockdep.c:5539) 
[477.133424][T18148] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[477.133755][T18148] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[477.134083][T18148] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[477.134411][T18148] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[477.134753][T18148] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[477.135121][T18148] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[477.135491][T18148] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[477.135868][T18148] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[477.136239][T18148] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[477.136614][T18148] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[477.136997][T18148] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[477.137363][T18148] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[477.137745][T18148] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[477.138101][T18148] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[477.138456][T18148] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[477.138867][T18148] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[477.139260][T18148] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[477.139645][T18148] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[477.140136][T18148] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[477.140512][T18148] ___sys_sendmsg (net/socket.c:2670) 
[477.140908][T18148] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[477.141310][T18148] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[477.141714][T18148] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[477.142053][T18148] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[477.142398][T18148] ? __handle_mm_fault (mm/memory.c:6212) 
[477.142773][T18148] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[477.143125][T18148] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[477.143460][T18148] __sys_sendmsg (net/socket.c:2700) 
[477.143798][T18148] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[477.144188][T18148] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[477.144612][T18148] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[477.145001][T18148] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[477.145383][T18148] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[477.145764][T18148] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  477.146210][T18148] RIP: 0033:0x7fc4bafbf1e7
[ 477.146594][T18148] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  477.147959][T18148] RSP: 002b:00007ffcbf3a6988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  477.148596][T18148] RAX: ffffffffffffffda RBX: 00007ffcbf3a70b0 RCX: 00007fc4bafbf1e7
[  477.149226][T18148] RDX: 0000000000000000 RSI: 00007ffcbf3a69f0 RDI: 0000000000000005
[  477.149839][T18148] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  477.150439][T18148] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcbf3a70e8
[  477.150998][T18148] R13: 00000000686e5fa2 R14: 0000000000499600 R15: 0000000000000000
| [  477.309809][T18150] ------------[ cut here ]------------
| [477.310206][T18150] WARNING: CPU: 2 PID: 18150 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  477.310944][T18150] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  477.312345][T18150] Tainted: [W]=WARN
[  477.312649][T18150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[477.313083][T18150] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 477.313438][T18150] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  477.314703][T18150] RSP: 0018:ffffc90005897080 EFLAGS: 00010246
[  477.315161][T18150] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  477.315704][T18150] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  477.316222][T18150] RBP: ffffc90005897168 R08: 0000000000000000 R09: 0000000000000000
[  477.316755][T18150] R10: ffffc90005897198 R11: ffffffff9a8a8918 R12: 1ffff92000b12e14
[  477.317280][T18150] R13: 00000000000005dc R14: ffffc90005897198 R15: ffff88800fa6af08
[  477.317778][T18150] FS:  00007fc055c0c800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  477.318356][T18150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  477.318793][T18150] CR2: 00000000004a1738 CR3: 000000000f8fe002 CR4: 0000000000772ef0
[  477.319307][T18150] PKRU: 55555554
[  477.319562][T18150] Call Trace:
[  477.319826][T18150]  <TASK>
[477.320011][T18150] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[477.320350][T18150] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[477.320692][T18150] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[477.321105][T18150] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[477.321451][T18150] netif_set_mtu (net/core/dev.c:9652) 
[477.321822][T18150] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[477.322174][T18150] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[477.322664][T18150] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[477.322929][T18150] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[477.323390][T18150] br_add_if (net/bridge/br_if.c:697) bridge 
[477.323786][T18150] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[477.324133][T18150] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[477.324492][T18150] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[477.324849][T18150] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[477.325192][T18150] ? __dev_get_by_name (net/core/dev.c:865) 
[477.325535][T18150] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[477.325889][T18150] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[477.326239][T18150] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[477.326620][T18150] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[477.327241][T18150] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[477.327906][T18150] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[477.328532][T18150] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[477.328939][T18150] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[477.329284][T18150] ? __lock_release (kernel/locking/lockdep.c:5539) 
[477.329644][T18150] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[477.329989][T18150] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[477.330336][T18150] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[477.330692][T18150] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[477.331043][T18150] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[477.331386][T18150] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[477.331741][T18150] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[477.332155][T18150] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[477.332508][T18150] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[477.332874][T18150] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[477.333228][T18150] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[477.333595][T18150] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[477.333960][T18150] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[477.334310][T18150] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[477.334671][T18150] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[477.335035][T18150] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[477.335398][T18150] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[477.335746][T18150] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[477.336177][T18150] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[477.336530][T18150] ___sys_sendmsg (net/socket.c:2670) 
[477.336886][T18150] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[477.337235][T18150] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[477.337593][T18150] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[477.337950][T18150] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[477.338303][T18150] ? __handle_mm_fault (mm/memory.c:6212) 
[477.338658][T18150] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[477.339065][T18150] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[477.339432][T18150] __sys_sendmsg (net/socket.c:2700) 
[477.339810][T18150] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[477.340164][T18150] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[477.340522][T18150] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[477.340889][T18150] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[477.341240][T18150] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[477.341598][T18150] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  477.342025][T18150] RIP: 0033:0x7fc055dd91e7
[ 477.342384][T18150] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  477.343594][T18150] RSP: 002b:00007ffd476b52c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  477.344142][T18150] RAX: ffffffffffffffda RBX: 00007ffd476b59f0 RCX: 00007fc055dd91e7
[  477.344751][T18150] RDX: 0000000000000000 RSI: 00007ffd476b5330 RDI: 0000000000000005
[  477.345276][T18150] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  477.345799][T18150] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd476b5a28
[  477.346312][T18150] R13: 00000000686e5fa3 R14: 0000000000499600 R15: 0000000000000000
| [  477.542191][T18152] ------------[ cut here ]------------
| [477.542522][T18152] WARNING: CPU: 2 PID: 18152 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  477.543248][T18152] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  477.544403][T18152] Tainted: [W]=WARN
[  477.544660][T18152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[477.545086][T18152] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 477.545427][T18152] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  477.546585][T18152] RSP: 0018:ffffc90009247080 EFLAGS: 00010246
[  477.547003][T18152] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  477.547488][T18152] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  477.547980][T18152] RBP: ffffc90009247168 R08: 0000000000000000 R09: 0000000000000000
[  477.548472][T18152] R10: ffffc90009247198 R11: ffffffff9a8a8918 R12: 1ffff92001248e14
[  477.549018][T18152] R13: 00000000000005dc R14: ffffc90009247198 R15: ffff88800fa6af08
[  477.549552][T18152] FS:  00007fe4fd430800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  477.550185][T18152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  477.550654][T18152] CR2: 00000000004a1738 CR3: 000000000b8e3001 CR4: 0000000000772ef0
[  477.551222][T18152] PKRU: 55555554
[  477.551542][T18152] Call Trace:
[  477.551866][T18152]  <TASK>
[477.552099][T18152] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[477.552557][T18152] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[477.553000][T18152] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[477.553485][T18152] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[477.553917][T18152] netif_set_mtu (net/core/dev.c:9652) 
[477.554297][T18152] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[477.554718][T18152] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[477.555279][T18152] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[477.555607][T18152] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[477.556121][T18152] br_add_if (net/bridge/br_if.c:697) bridge 
[477.556559][T18152] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[477.556962][T18152] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[477.557364][T18152] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[477.557795][T18152] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[477.558189][T18152] ? __dev_get_by_name (net/core/dev.c:865) 
[477.558588][T18152] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[477.558979][T18152] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[477.559352][T18152] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[477.559767][T18152] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[477.560164][T18152] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[477.560546][T18152] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[477.560976][T18152] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[477.561394][T18152] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[477.561743][T18152] ? __lock_release (kernel/locking/lockdep.c:5539) 
[477.562120][T18152] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[477.562485][T18152] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[477.562912][T18152] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[477.563317][T18152] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[477.563734][T18152] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[477.564151][T18152] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[477.564581][T18152] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[477.565032][T18152] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[477.565466][T18152] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[477.565925][T18152] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[477.566339][T18152] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[477.566749][T18152] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[477.567139][T18152] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[477.567589][T18152] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[477.567980][T18152] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[477.568417][T18152] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[477.568883][T18152] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[477.569313][T18152] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[477.569822][T18152] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[477.570204][T18152] ___sys_sendmsg (net/socket.c:2670) 
[477.570585][T18152] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[477.570990][T18152] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[477.571406][T18152] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[477.571861][T18152] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[477.572226][T18152] ? __handle_mm_fault (mm/memory.c:6212) 
[477.572560][T18152] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[477.572896][T18152] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[477.573290][T18152] __sys_sendmsg (net/socket.c:2700) 
[477.573662][T18152] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[477.574038][T18152] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[477.574380][T18152] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[477.574783][T18152] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[477.575195][T18152] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[477.575626][T18152] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  477.576122][T18152] RIP: 0033:0x7fe4fd5fd1e7
[ 477.576549][T18152] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  477.577953][T18152] RSP: 002b:00007ffcd28d9dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  477.578559][T18152] RAX: ffffffffffffffda RBX: 00007ffcd28da500 RCX: 00007fe4fd5fd1e7
[  477.579154][T18152] RDX: 0000000000000000 RSI: 00007ffcd28d9e40 RDI: 0000000000000005
[  477.579739][T18152] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  477.580344][T18152] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcd28da538
[  477.580921][T18152] R13: 00000000686e5fa3 R14: 0000000000499600 R15: 0000000000000000
| [  477.763995][T18154] ------------[ cut here ]------------
| [477.764544][T18154] WARNING: CPU: 3 PID: 18154 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  477.765675][T18154] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  477.767717][T18154] Tainted: [W]=WARN
[  477.768141][T18154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[477.768854][T18154] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 477.769447][T18154] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  477.771493][T18154] RSP: 0018:ffffc90005897080 EFLAGS: 00010246
[  477.772223][T18154] RAX: 0000000000000000 RBX: ffff88800fa6a000 RCX: 0000000000000001
[  477.773083][T18154] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  477.773944][T18154] RBP: ffffc90005897168 R08: 0000000000000000 R09: 0000000000000000
[  477.774817][T18154] R10: ffffc90005897198 R11: ffffffff9a8a8918 R12: 1ffff92000b12e14
[  477.775642][T18154] R13: 00000000000005dc R14: ffffc90005897198 R15: ffff88800fa6af08
[  477.776494][T18154] FS:  00007fd45bb9b800(0000) GS:ffff88809a837000(0000) knlGS:0000000000000000
[  477.777523][T18154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  477.778285][T18154] CR2: 00000000004a1738 CR3: 000000000bac3002 CR4: 0000000000772ef0
[  477.779186][T18154] PKRU: 55555554
[  477.779639][T18154] Call Trace:
[  477.780074][T18154]  <TASK>
[477.780382][T18154] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[477.780967][T18154] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[477.781533][T18154] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[477.782262][T18154] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[477.782784][T18154] netif_set_mtu (net/core/dev.c:9652) 
[477.783135][T18154] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[477.783491][T18154] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[477.784044][T18154] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[477.784325][T18154] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[477.784852][T18154] br_add_if (net/bridge/br_if.c:697) bridge 
[477.785285][T18154] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[477.785626][T18154] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[477.786192][T18154] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[477.786783][T18154] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[477.787157][T18154] ? __dev_get_by_name (net/core/dev.c:865) 
[477.787531][T18154] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[477.787875][T18154] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[477.788206][T18154] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[477.788522][T18154] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[477.788901][T18154] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[477.789229][T18154] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[477.789547][T18154] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[477.789900][T18154] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[477.790213][T18154] ? __lock_release (kernel/locking/lockdep.c:5539) 
[477.790532][T18154] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[477.790872][T18154] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[477.791197][T18154] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[477.791517][T18154] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[477.791860][T18154] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[477.792175][T18154] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[477.792487][T18154] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[477.792844][T18154] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[477.793156][T18154] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[477.793475][T18154] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[477.793846][T18154] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[477.794441][T18154] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[477.795031][T18154] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[477.795615][T18154] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[477.796193][T18154] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[477.796689][T18154] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[477.797037][T18154] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[477.797362][T18154] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[477.797802][T18154] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[477.798389][T18154] ___sys_sendmsg (net/socket.c:2670) 
[477.798805][T18154] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[477.799149][T18154] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[477.799483][T18154] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[477.799839][T18154] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[477.800175][T18154] ? __handle_mm_fault (mm/memory.c:6212) 
[477.800505][T18154] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[477.800858][T18154] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[477.801202][T18154] __sys_sendmsg (net/socket.c:2700) 
[477.801527][T18154] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[477.801892][T18154] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[477.802236][T18154] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[477.802579][T18154] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[477.802927][T18154] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[477.803249][T18154] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  477.803661][T18154] RIP: 0033:0x7fd45bd681e7
[ 477.804006][T18154] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  477.805185][T18154] RSP: 002b:00007ffc88f95c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  477.805672][T18154] RAX: ffffffffffffffda RBX: 00007ffc88f96360 RCX: 00007fd45bd681e7
[  477.806342][T18154] RDX: 0000000000000000 RSI: 00007ffc88f95ca0 RDI: 0000000000000005
[  477.806847][T18154] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  477.807333][T18154] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc88f96398
[  477.807837][T18154] R13: 00000000686e5fa3 R14: 0000000000499600 R15: 0000000000000000
| [  832.862035][ T2928] ------------[ cut here ]------------
| [ 832.862394][ T2928] WARNING: CPU: 1 PID: 2928 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  832.864473][ T2928] Modules linked in: act_gact cls_flower dummy sch_ingress bridge stp llc 8021q vrf veth
| [  832.865711][ T2928] Tainted: [W]=WARN
[  832.865943][ T2928] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 832.866321][ T2928] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 832.866660][ T2928] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  832.867815][ T2928] RSP: 0018:ffffc900016cef70 EFLAGS: 00010246
[  832.868225][ T2928] RAX: 0000000000000000 RBX: ffff88800aad2000 RCX: 0000000000000001
[  832.868702][ T2928] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  832.869175][ T2928] RBP: ffffc900016cf058 R08: 0000000000000000 R09: 0000000000000000
[  832.869662][ T2928] R10: ffffc900016cf088 R11: ffffffff95e00130 R12: 1ffff920002d9df2
[  832.870123][ T2928] R13: 00000000000005dc R14: ffffc900016cf088 R15: ffff88800aad2f08
[  832.870606][ T2928] FS:  00007f8f110a1800(0000) GS:ffff88809a737000(0000) knlGS:0000000000000000
[  832.871155][ T2928] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  832.871543][ T2928] CR2: 00000000004e5ab0 CR3: 0000000013599003 CR4: 0000000000772ef0
[  832.872028][ T2928] PKRU: 55555554
[  832.872258][ T2928] Call Trace:
[  832.872500][ T2928]  <TASK>
[ 832.872663][ T2928] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 832.873061][ T2928] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 832.873410][ T2928] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 832.873727][ T2928] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 832.874036][ T2928] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 832.874346][ T2928] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 832.874674][ T2928] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 832.874993][ T2928] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 832.875312][ T2928] ? ___sys_sendmsg (net/socket.c:2670) 
[ 832.875626][ T2928] ? __sys_sendmsg (net/socket.c:2700) 
[ 832.875930][ T2928] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 832.876235][ T2928] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 832.876642][ T2928] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 832.876970][ T2928] netif_set_mtu (net/core/dev.c:9652) 
[ 832.877276][ T2928] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 832.877614][ T2928] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 832.877849][ T2928] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 832.878273][ T2928] br_del_if (net/bridge/br_if.c:743) bridge 
[ 832.878616][ T2928] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 832.878923][ T2928] do_set_master (net/core/rtnetlink.c:2932) 
[ 832.879251][ T2928] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 832.879589][ T2928] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 832.879997][ T2928] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 832.880307][ T2928] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 832.880630][ T2928] ? __kernel_text_address (kernel/extable.c:79) 
[ 832.880945][ T2928] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 832.881281][ T2928] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 832.881630][ T2928] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 832.882045][ T2928] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 832.882357][ T2928] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 832.882676][ T2928] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 832.883020][ T2928] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 832.883333][ T2928] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 832.883650][ T2928] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 832.883971][ T2928] ? __create_object (mm/kmemleak.c:771) 
[ 832.884283][ T2928] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 832.884605][ T2928] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 832.884914][ T2928] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 832.885307][ T2928] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 832.885644][ T2928] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 832.885976][ T2928] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 832.886306][ T2928] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 832.886629][ T2928] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 832.886936][ T2928] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 832.887253][ T2928] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 832.887594][ T2928] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 832.887905][ T2928] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 832.888228][ T2928] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 832.888542][ T2928] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 832.888865][ T2928] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 832.889188][ T2928] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 832.889509][ T2928] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 832.889839][ T2928] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 832.890165][ T2928] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 832.890490][ T2928] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 832.890816][ T2928] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 832.891142][ T2928] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 832.891460][ T2928] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 832.891784][ T2928] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 832.892104][ T2928] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 832.892419][ T2928] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 832.892741][ T2928] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 832.893057][ T2928] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 832.893450][ T2928] ___sys_sendmsg (net/socket.c:2670) 
[ 832.893765][ T2928] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 832.894124][ T2928] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 832.894508][ T2928] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 832.894828][ T2928] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 832.895154][ T2928] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 832.895470][ T2928] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 832.895789][ T2928] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 832.896116][ T2928] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 832.896429][ T2928] __sys_sendmsg (net/socket.c:2700) 
[ 832.896744][ T2928] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 832.897255][ T2928] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 832.897858][ T2928] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 832.898417][ T2928] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 832.898990][ T2928] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  832.899710][ T2928] RIP: 0033:0x7f8f1126e1e7
[ 832.900279][ T2928] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  832.902263][ T2928] RSP: 002b:00007ffcea08bb88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  832.903108][ T2928] RAX: ffffffffffffffda RBX: 00007ffcea08c2b0 RCX: 00007f8f1126e1e7
[  832.903951][ T2928] RDX: 0000000000000000 RSI: 00007ffcea08bbf0 RDI: 0000000000000005
[  832.904795][ T2928] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  832.905647][ T2928] R10: 00007f8f1116bee8 R11: 0000000000000246 R12: 0000000000000003
[  832.906478][ T2928] R13: 00000000686e6106 R14: 0000000000499600 R15: 0000000000000000
| [  833.418689][ T2932] ------------[ cut here ]------------
| [ 833.419324][ T2932] WARNING: CPU: 2 PID: 2932 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  833.421620][ T2932] Modules linked in: act_gact cls_flower dummy sch_ingress bridge stp llc 8021q vrf veth
| [  833.423923][ T2932] Tainted: [W]=WARN
[  833.424342][ T2932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 833.424866][ T2932] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 833.425237][ T2932] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  833.426450][ T2932] RSP: 0018:ffffc9000170ef70 EFLAGS: 00010246
[  833.426932][ T2932] RAX: 0000000000000000 RBX: ffff88800aad2000 RCX: 0000000000000001
[  833.427436][ T2932] RDX: 0000000000000000 RSI: ffffffff99a9b939 RDI: ffffffff992555e0
[  833.427975][ T2932] RBP: ffffc9000170f058 R08: 0000000000000000 R09: 0000000000000000
[  833.428580][ T2932] R10: ffffc9000170f088 R11: ffffffff99f79160 R12: 1ffff920002e1df2
[  833.429098][ T2932] R13: 00000000000005dc R14: ffffc9000170f088 R15: ffff88800aad2f08
[  833.429620][ T2932] FS:  00007f9116c3c800(0000) GS:ffff88809a7b7000(0000) knlGS:0000000000000000
[  833.430212][ T2932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  833.430672][ T2932] CR2: 00000000004e5aa8 CR3: 000000000f441005 CR4: 0000000000772ef0
[  833.431194][ T2932] PKRU: 55555554
[  833.431457][ T2932] Call Trace:
[  833.431727][ T2932]  <TASK>
[ 833.431916][ T2932] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 833.432350][ T2932] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 833.432753][ T2932] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 833.433114][ T2932] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 833.433468][ T2932] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 833.433819][ T2932] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 833.434174][ T2932] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 833.434507][ T2932] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 833.434878][ T2932] ? ___sys_sendmsg (net/socket.c:2670) 
[ 833.435232][ T2932] ? __sys_sendmsg (net/socket.c:2700) 
[ 833.435554][ T2932] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 833.435907][ T2932] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 833.436337][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 833.436700][ T2932] netif_set_mtu (net/core/dev.c:9652) 
[ 833.437053][ T2932] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 833.437405][ T2932] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 833.437682][ T2932] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 833.438161][ T2932] br_del_if (net/bridge/br_if.c:743) bridge 
[ 833.438532][ T2932] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 833.438913][ T2932] do_set_master (net/core/rtnetlink.c:2932) 
[ 833.439286][ T2932] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 833.439646][ T2932] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 833.440085][ T2932] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 833.440423][ T2932] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 833.440774][ T2932] ? __kernel_text_address (kernel/extable.c:79) 
[ 833.441136][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 833.441480][ T2932] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 833.441839][ T2932] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 833.442271][ T2932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 833.442638][ T2932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 833.443018][ T2932] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 833.443373][ T2932] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 833.443750][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 833.444103][ T2932] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 833.444440][ T2932] ? __create_object (mm/kmemleak.c:771) 
[ 833.444802][ T2932] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 833.445157][ T2932] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 833.445544][ T2932] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 833.445995][ T2932] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 833.446348][ T2932] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 833.446728][ T2932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 833.447085][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 833.447442][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 833.447795][ T2932] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 833.448146][ T2932] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 833.448484][ T2932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 833.448838][ T2932] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 833.449192][ T2932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 833.449554][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 833.449913][ T2932] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 833.450260][ T2932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 833.450630][ T2932] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 833.450993][ T2932] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 833.451326][ T2932] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 833.451683][ T2932] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 833.452040][ T2932] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 833.452373][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 833.452728][ T2932] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 833.453084][ T2932] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 833.453423][ T2932] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 833.453778][ T2932] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 833.454136][ T2932] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 833.454471][ T2932] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 833.454936][ T2932] ___sys_sendmsg (net/socket.c:2670) 
[ 833.455275][ T2932] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 833.455623][ T2932] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 833.456051][ T2932] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 833.456404][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 833.456767][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 833.457270][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 833.457848][ T2932] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 833.458429][ T2932] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 833.459062][ T2932] __sys_sendmsg (net/socket.c:2700) 
[ 833.459509][ T2932] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 833.459950][ T2932] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 833.460303][ T2932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 833.460654][ T2932] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 833.460992][ T2932] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  833.461429][ T2932] RIP: 0033:0x7f9116e091e7
[ 833.461792][ T2932] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  833.463128][ T2932] RSP: 002b:00007fff5fbd30a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  833.463661][ T2932] RAX: ffffffffffffffda RBX: 00007fff5fbd37d0 RCX: 00007f9116e091e7
[  833.464173][ T2932] RDX: 0000000000000000 RSI: 00007fff5fbd3110 RDI: 0000000000000005
[  833.464684][ T2932] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  833.465182][ T2932] R10: 00007f9116d06ee8 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if