======================================
| [   22.592411][  T327] veth1: entered promiscuous mode
| [   22.594199][  T327] ------------[ cut here ]------------
| [ 22.594544][ T327] WARNING: CPU: 2 PID: 327 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) 
| [   22.595182][  T327] Modules linked in: bridge stp llc 8021q vrf veth
[   22.596286][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.596680][ T327] 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) 
[ 22.597011][ T327] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   22.598131][  T327] RSP: 0018:ffffc900004d6ef0 EFLAGS: 00010246
[   22.598534][  T327] RAX: 0000000000000000 RBX: ffff8880051c2000 RCX: 0000000000000001
[   22.599010][  T327] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[   22.599653][  T327] RBP: ffffc900004d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.600239][  T327] R10: ffffc900004d7010 R11: ffffffff87ea8918 R12: 1ffff9200009ade2
[   22.600710][  T327] R13: 00000000000005dc R14: ffffc900004d7010 R15: ffff8880051c2f08
[   22.601190][  T327] FS:  00007f14dec15800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[   22.601743][  T327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.602160][  T327] CR2: 00000000004e5aa8 CR3: 000000000b3de003 CR4: 0000000000772ef0
[   22.602629][  T327] PKRU: 55555554
[   22.602875][  T327] Call Trace:
[   22.603384][  T327]  <TASK>
[ 22.603563][ T327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.603884][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.604223][ T327] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.604537][ T327] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.604935][ T327] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.605309][ T327] netif_set_mtu (net/core/dev.c:9652) 
[ 22.605649][ T327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.605989][ T327] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.606464][ T327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.606722][ T327] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.607201][ T327] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.607587][ T327] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.607928][ T327] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.608277][ T327] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.608698][ T327] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.609035][ T327] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.609389][ T327] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.609736][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.610072][ T327] ? __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) 
[ 22.610437][ T327] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.610847][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.611204][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.611572][ T327] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.611907][ T327] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.612261][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.612600][ T327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.612932][ T327] ? __create_object (mm/kmemleak.c:771) 
[ 22.613280][ T327] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.613618][ T327] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.613944][ T327] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.614354][ T327] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.614678][ T327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.615016][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.615358][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.615685][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.616003][ T327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.616334][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.616656][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.616980][ T327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.617312][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.617640][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.617960][ T327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.618295][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.618616][ T327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.618945][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.619295][ T327] ? 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) 
[ 22.619639][ T327] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.619964][ T327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.620296][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.620618][ T327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.620940][ T327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.621270][ T327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.621600][ T327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.621922][ T327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.622260][ T327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.622688][ T327] ___sys_sendmsg (net/socket.c:2670) 
[ 22.623019][ T327] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.623361][ T327] ? __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) 
[ 22.623756][ T327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.624085][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.624412][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.624741][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.625071][ T327] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.625392][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.625717][ T327] __sys_sendmsg (net/socket.c:2700) 
[ 22.626028][ T327] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.626458][ T327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.626786][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.627136][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.627462][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.627881][  T327] RIP: 0033:0x7f14dede21e7
[ 22.628404][ T327] 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)
[   22.629537][  T327] RSP: 002b:00007ffd82951f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.630022][  T327] RAX: ffffffffffffffda RBX: 00007ffd82952640 RCX: 00007f14dede21e7
[   22.630516][  T327] RDX: 0000000000000000 RSI: 00007ffd82951f80 RDI: 0000000000000005
[   22.630992][  T327] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.631490][  T327] R10: 000000002ee35910 R11: 0000000000000246 R12: 0000000000000004
[   22.631970][  T327] R13: 00000000686e1868 R14: 0000000000499600 R15: 0000000000000000
| [   23.127956][  T331] ------------[ cut here ]------------
| [ 23.128361][ T331] WARNING: CPU: 2 PID: 331 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) 
| [   23.129096][  T331] Modules linked in: bridge stp llc 8021q vrf veth
| [   23.130292][  T331] Tainted: [W]=WARN
[   23.130556][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.130974][ T331] 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) 
[ 23.131332][ T331] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   23.132503][  T331] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
[   23.132926][  T331] RAX: 0000000000000000 RBX: ffff8880051c2000 RCX: 0000000000000001
[   23.133433][  T331] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[   23.133933][  T331] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.134442][  T331] R10: ffffc90000617010 R11: ffffffff87ea8918 R12: 1ffff920000c2de2
[   23.134938][  T331] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff8880051c2f08
[   23.135448][  T331] FS:  00007f4da4129800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[   23.136032][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.136463][  T331] CR2: 00000000004e5ab0 CR3: 000000000b3de005 CR4: 0000000000772ef0
[   23.136965][  T331] PKRU: 55555554
[   23.137233][  T331] Call Trace:
[   23.137490][  T331]  <TASK>
[ 23.137671][ T331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.138008][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.138360][ T331] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.138693][ T331] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.139123][ T331] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.139481][ T331] netif_set_mtu (net/core/dev.c:9652) 
[ 23.139817][ T331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.140179][ T331] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.140644][ T331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.140908][ T331] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.141368][ T331] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.141754][ T331] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.142101][ T331] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.142439][ T331] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.142849][ T331] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.143192][ T331] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.143522][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.143860][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.144212][ T331] ? __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) 
[ 23.144548][ T331] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.144955][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.145305][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.145635][ T331] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.145969][ T331] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.146309][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.146647][ T331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.146978][ T331] ? __create_object (mm/kmemleak.c:771) 
[ 23.147326][ T331] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.147658][ T331] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.147993][ T331] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.148412][ T331] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.148753][ T331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.149104][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.149457][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.149799][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.150147][ T331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.150478][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.150820][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.151155][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.151490][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.151829][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.152177][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.152512][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.152849][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.153202][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.153540][ T331] ? 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) 
[ 23.153877][ T331] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.154226][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.154559][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.154901][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.155249][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.155587][ T331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.155933][ T331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.156288][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.156627][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.157075][ T331] ___sys_sendmsg (net/socket.c:2670) 
[ 23.157416][ T331] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.157753][ T331] ? __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) 
[ 23.158180][ T331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.158521][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.158860][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.159208][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.159567][ T331] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.159901][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.160260][ T331] __sys_sendmsg (net/socket.c:2700) 
[ 23.160599][ T331] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.161011][ T331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.161368][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.161697][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.162055][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.162449][  T331] RIP: 0033:0x7f4da42f61e7
[ 23.162779][ T331] 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)
[   23.163913][  T331] RSP: 002b:00007ffc1a0d3208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.164424][  T331] RAX: ffffffffffffffda RBX: 00007ffc1a0d3930 RCX: 00007f4da42f61e7
[   23.164926][  T331] RDX: 0000000000000000 RSI: 00007ffc1a0d3270 RDI: 0000000000000005
[   23.165426][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.165920][  T331] R10: 000000003d66a910 R11: 0000000000000246 R12: 0000000000000004
[   23.166434][  T331] R13: 00000000686e1868 R14: 0000000000499600 R15: 0000000000000000
| [  107.368078][  T932] ------------[ cut here ]------------
| [ 107.368424][ T932] WARNING: CPU: 2 PID: 932 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) 
| [  107.369102][  T932] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  107.370356][  T932] Tainted: [W]=WARN
[  107.370610][  T932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 107.371013][ T932] 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) 
[ 107.371364][ T932] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  107.372510][  T932] RSP: 0018:ffffc90002387080 EFLAGS: 00010246
[  107.372929][  T932] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  107.373418][  T932] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  107.373908][  T932] RBP: ffffc90002387168 R08: 0000000000000000 R09: 0000000000000000
[  107.374404][  T932] R10: ffffc90002387198 R11: ffffffff87ea8918 R12: 1ffff92000470e14
[  107.374891][  T932] R13: 00000000000005dc R14: ffffc90002387198 R15: ffff88800b27af08
[  107.375381][  T932] FS:  00007fc974d7d800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  107.375942][  T932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.376356][  T932] CR2: 00007f294df11a98 CR3: 000000000bee3003 CR4: 0000000000772ef0
[  107.376848][  T932] PKRU: 55555554
[  107.377217][  T932] Call Trace:
[  107.377476][  T932]  <TASK>
[ 107.377653][ T932] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 107.377990][ T932] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 107.378347][ T932] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 107.378772][ T932] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 107.379109][ T932] netif_set_mtu (net/core/dev.c:9652) 
[ 107.379447][ T932] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 107.379790][ T932] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 107.380263][ T932] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 107.380522][ T932] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 107.380974][ T932] br_add_if (net/bridge/br_if.c:697) bridge 
[ 107.381358][ T932] do_set_master (net/core/rtnetlink.c:2948) 
[ 107.381688][ T932] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 107.382027][ T932] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 107.382365][ T932] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 107.382689][ T932] ? __dev_get_by_name (net/core/dev.c:865) 
[ 107.383025][ T932] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.383361][ T932] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.383693][ T932] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 107.384015][ T932] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.384366][ T932] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 107.384704][ T932] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 107.385042][ T932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.385388][ T932] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 107.385715][ T932] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 107.386044][ T932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.386379][ T932] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 107.386705][ T932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.387055][ T932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.387390][ T932] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 107.387725][ T932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.388059][ T932] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 107.388400][ T932] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 107.388724][ T932] ? 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) 
[ 107.389065][ T932] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 107.389418][ T932] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 107.389747][ T932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.390237][ T932] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 107.390710][ T932] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 107.391040][ T932] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 107.391396][ T932] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 107.391738][ T932] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 107.392079][ T932] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 107.392485][ T932] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 107.392830][ T932] ___sys_sendmsg (net/socket.c:2670) 
[ 107.393166][ T932] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 107.393491][ T932] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 107.393818][ T932] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.394156][ T932] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 107.394503][ T932] ? __handle_mm_fault (mm/memory.c:6212) 
[ 107.394834][ T932] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 107.395168][ T932] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 107.395511][ T932] __sys_sendmsg (net/socket.c:2700) 
[ 107.395839][ T932] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 107.396170][ T932] ? 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) 
[ 107.396514][ T932] ? 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) 
[ 107.396843][ T932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 107.397187][ T932] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 107.397512][ T932] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  107.397917][  T932] RIP: 0033:0x7fc974f4a1e7
[ 107.398279][ T932] Code: Unable to access opcode bytes at 0x7fc974f4a1bd.

Code starting with the faulting instruction
===========================================
[  107.398698][  T932] RSP: 002b:00007fff9ec2de38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  107.399197][  T932] RAX: ffffffffffffffda RBX: 00007fff9ec2e560 RCX: 00007fc974f4a1e7
[  107.399693][  T932] RDX: 0000000000000000 RSI: 00007fff9ec2dea0 RDI: 0000000000000005
[  107.400184][  T932] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  107.400669][  T932] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff9ec2e598
[  107.401429][  T932] R13: 00000000686e18bd R14: 0000000000499600 R15: 0000000000000000
| [  107.555502][  T937] ------------[ cut here ]------------
| [ 107.555821][ T937] WARNING: CPU: 1 PID: 937 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) 
| [  107.556447][  T937] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  107.557750][  T937] Tainted: [W]=WARN
[  107.557992][  T937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 107.558529][ T937] 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) 
[ 107.558852][ T937] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  107.560139][  T937] RSP: 0018:ffffc900005d7080 EFLAGS: 00010246
[  107.560533][  T937] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  107.561005][  T937] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  107.561602][  T937] RBP: ffffc900005d7168 R08: 0000000000000000 R09: 0000000000000000
[  107.562082][  T937] R10: ffffc900005d7198 R11: ffffffff87ea8918 R12: 1ffff920000bae14
[  107.562549][  T937] R13: 00000000000005dc R14: ffffc900005d7198 R15: ffff88800b27af08
[  107.563014][  T937] FS:  00007fb1db4de800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  107.563568][  T937] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.563970][  T937] CR2: 00000000004a1738 CR3: 000000000bee3001 CR4: 0000000000772ef0
[  107.564446][  T937] PKRU: 55555554
[  107.564682][  T937] Call Trace:
[  107.564915][  T937]  <TASK>
[ 107.565084][ T937] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 107.565403][ T937] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 107.565721][ T937] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 107.566127][ T937] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 107.566442][ T937] netif_set_mtu (net/core/dev.c:9652) 
[ 107.566755][ T937] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 107.567088][ T937] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 107.567530][ T937] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 107.567767][ T937] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 107.568211][ T937] br_add_if (net/bridge/br_if.c:697) bridge 
[ 107.568570][ T937] do_set_master (net/core/rtnetlink.c:2948) 
[ 107.568878][ T937] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 107.569202][ T937] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 107.569527][ T937] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 107.569837][ T937] ? __dev_get_by_name (net/core/dev.c:865) 
[ 107.570158][ T937] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.570481][ T937] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.570808][ T937] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 107.571128][ T937] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.571444][ T937] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 107.571766][ T937] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 107.572094][ T937] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.572418][ T937] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 107.572729][ T937] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 107.573058][ T937] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.573370][ T937] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 107.573683][ T937] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.574006][ T937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.574331][ T937] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 107.574646][ T937] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.574959][ T937] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 107.575296][ T937] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 107.575620][ T937] ? 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) 
[ 107.575933][ T937] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 107.576258][ T937] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 107.576572][ T937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.576891][ T937] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 107.577217][ T937] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 107.577536][ T937] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 107.577857][ T937] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 107.578182][ T937] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 107.578494][ T937] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 107.578889][ T937] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 107.579215][ T937] ___sys_sendmsg (net/socket.c:2670) 
[ 107.579542][ T937] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 107.579855][ T937] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 107.580184][ T937] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.580493][ T937] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 107.580822][ T937] ? __handle_mm_fault (mm/memory.c:6212) 
[ 107.581148][ T937] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 107.581456][ T937] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 107.581785][ T937] __sys_sendmsg (net/socket.c:2700) 
[ 107.582111][ T937] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 107.582425][ T937] ? 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) 
[ 107.582748][ T937] ? 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) 
[ 107.583075][ T937] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 107.583391][ T937] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 107.583701][ T937] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  107.584097][  T937] RIP: 0033:0x7fb1db6ab1e7
[ 107.584426][ T937] 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)
[  107.585548][  T937] RSP: 002b:00007ffe8f246668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  107.586029][  T937] RAX: ffffffffffffffda RBX: 00007ffe8f246d90 RCX: 00007fb1db6ab1e7
[  107.586511][  T937] RDX: 0000000000000000 RSI: 00007ffe8f2466d0 RDI: 0000000000000005
[  107.586977][  T937] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  107.587451][  T937] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe8f246dc8
[  107.587917][  T937] R13: 00000000686e18bd R14: 0000000000499600 R15: 0000000000000000
| [  107.748921][  T940] ------------[ cut here ]------------
| [ 107.749255][ T940] WARNING: CPU: 3 PID: 940 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) 
| [  107.749890][  T940] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  107.751096][  T940] Tainted: [W]=WARN
[  107.751336][  T940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 107.751729][ T940] 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) 
[ 107.752060][ T940] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  107.753213][  T940] RSP: 0000:ffffc900004d7080 EFLAGS: 00010246
[  107.753614][  T940] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  107.754091][  T940] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  107.754565][  T940] RBP: ffffc900004d7168 R08: 0000000000000000 R09: 0000000000000000
[  107.755036][  T940] R10: ffffc900004d7198 R11: ffffffff87ea8918 R12: 1ffff9200009ae14
[  107.755517][  T940] R13: 00000000000005dc R14: ffffc900004d7198 R15: ffff88800b27af08
[  107.755999][  T940] FS:  00007f18b2253800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  107.756562][  T940] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.756952][  T940] CR2: 00007fb4a9eb2540 CR3: 000000000bee3006 CR4: 0000000000772ef0
[  107.757439][  T940] PKRU: 55555554
[  107.757674][  T940] Call Trace:
[  107.757907][  T940]  <TASK>
[ 107.758083][ T940] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 107.758404][ T940] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 107.758718][ T940] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 107.759121][ T940] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 107.759455][ T940] netif_set_mtu (net/core/dev.c:9652) 
[ 107.759776][ T940] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 107.760125][ T940] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 107.760570][ T940] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 107.760822][ T940] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 107.761275][ T940] br_add_if (net/bridge/br_if.c:697) bridge 
[ 107.761644][ T940] do_set_master (net/core/rtnetlink.c:2948) 
[ 107.761975][ T940] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 107.762301][ T940] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 107.762634][ T940] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 107.762945][ T940] ? __dev_get_by_name (net/core/dev.c:865) 
[ 107.763274][ T940] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.763588][ T940] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.763917][ T940] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 107.764234][ T940] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.764555][ T940] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 107.764896][ T940] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 107.765222][ T940] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.765562][ T940] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 107.765873][ T940] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 107.766200][ T940] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.766514][ T940] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 107.766828][ T940] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.767171][ T940] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.767491][ T940] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 107.767815][ T940] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.768143][ T940] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 107.768483][ T940] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 107.768801][ T940] ? 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) 
[ 107.769123][ T940] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 107.769455][ T940] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 107.769770][ T940] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.770099][ T940] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 107.770415][ T940] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 107.770738][ T940] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 107.771070][ T940] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 107.771390][ T940] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 107.771704][ T940] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 107.772113][ T940] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 107.772447][ T940] ___sys_sendmsg (net/socket.c:2670) 
[ 107.772761][ T940] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 107.773086][ T940] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 107.773412][ T940] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.773732][ T940] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 107.774072][ T940] ? __handle_mm_fault (mm/memory.c:6212) 
[ 107.774389][ T940] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 107.774700][ T940] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 107.775045][ T940] __sys_sendmsg (net/socket.c:2700) 
[ 107.775381][ T940] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 107.775703][ T940] ? 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) 
[ 107.776026][ T940] ? 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) 
[ 107.776353][ T940] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 107.776682][ T940] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 107.776993][ T940] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  107.777407][  T940] RIP: 0033:0x7f18b24201e7
[ 107.777735][ T940] 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)
[  107.778879][  T940] RSP: 002b:00007ffcec862d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  107.779397][  T940] RAX: ffffffffffffffda RBX: 00007ffcec863450 RCX: 00007f18b24201e7
[  107.779880][  T940] RDX: 0000000000000000 RSI: 00007ffcec862d90 RDI: 0000000000000005
[  107.780360][  T940] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  107.780833][  T940] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcec863488
[  107.781321][  T940] R13: 00000000686e18bd R14: 0000000000499600 R15: 0000000000000000
| [  107.971093][  T942] ------------[ cut here ]------------
| [ 107.971406][ T942] WARNING: CPU: 0 PID: 942 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) 
| [  107.972024][  T942] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  107.973890][  T942] Tainted: [W]=WARN
[  107.974138][  T942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 107.974526][ T942] 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) 
[ 107.974848][ T942] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  107.975966][  T942] RSP: 0018:ffffc900004d7080 EFLAGS: 00010246
[  107.976368][  T942] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  107.976832][  T942] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  107.977319][  T942] RBP: ffffc900004d7168 R08: 0000000000000000 R09: 0000000000000000
[  107.977783][  T942] R10: ffffc900004d7198 R11: ffffffff87ea8918 R12: 1ffff9200009ae14
[  107.978258][  T942] R13: 00000000000005dc R14: ffffc900004d7198 R15: ffff88800b27af08
[  107.978728][  T942] FS:  00007fe5148d5800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  107.979284][  T942] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.979695][  T942] CR2: 00000000004a1738 CR3: 000000000f1c7002 CR4: 0000000000772ef0
[  107.980172][  T942] PKRU: 55555554
[  107.980410][  T942] Call Trace:
[  107.980644][  T942]  <TASK>
[ 107.980807][ T942] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 107.981136][ T942] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 107.981453][ T942] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 107.981848][ T942] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 107.982172][ T942] netif_set_mtu (net/core/dev.c:9652) 
[ 107.982487][ T942] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 107.982817][ T942] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 107.983265][ T942] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 107.983504][ T942] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 107.983939][ T942] br_add_if (net/bridge/br_if.c:697) bridge 
[ 107.984315][ T942] do_set_master (net/core/rtnetlink.c:2948) 
[ 107.984628][ T942] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 107.984946][ T942] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 107.985274][ T942] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 107.985586][ T942] ? __dev_get_by_name (net/core/dev.c:865) 
[ 107.985898][ T942] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.986226][ T942] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.986545][ T942] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 107.986859][ T942] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.987196][ T942] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 107.987523][ T942] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 107.987846][ T942] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.988180][ T942] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 107.988499][ T942] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 107.988816][ T942] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.989139][ T942] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 107.989463][ T942] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.989786][ T942] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.990117][ T942] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 107.990434][ T942] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.990755][ T942] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 107.991089][ T942] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 107.991402][ T942] ? 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) 
[ 107.991719][ T942] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 107.992036][ T942] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 107.992361][ T942] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.992681][ T942] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 107.993004][ T942] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 107.993328][ T942] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 107.993650][ T942] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 107.993971][ T942] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 107.994294][ T942] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 107.994687][ T942] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 107.995007][ T942] ___sys_sendmsg (net/socket.c:2670) 
[ 107.995328][ T942] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 107.995648][ T942] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 107.995972][ T942] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.996294][ T942] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 107.996613][ T942] ? __handle_mm_fault (mm/memory.c:6212) 
[ 107.996925][ T942] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 107.997247][ T942] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 107.997583][ T942] __sys_sendmsg (net/socket.c:2700) 
[ 107.997895][ T942] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 107.998217][ T942] ? 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) 
[ 107.998539][ T942] ? 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) 
[ 107.998853][ T942] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 107.999204][ T942] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 107.999534][ T942] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  107.999927][  T942] RIP: 0033:0x7fe514aa21e7
[ 108.000275][ T942] 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)
[  108.001400][  T942] RSP: 002b:00007ffdeadd5e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.001874][  T942] RAX: ffffffffffffffda RBX: 00007ffdeadd6590 RCX: 00007fe514aa21e7
[  108.002356][  T942] RDX: 0000000000000000 RSI: 00007ffdeadd5ed0 RDI: 0000000000000005
[  108.002835][  T942] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.003311][  T942] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdeadd65c8
[  108.003782][  T942] R13: 00000000686e18bd R14: 0000000000499600 R15: 0000000000000000
| [  108.160741][  T945] ------------[ cut here ]------------
| [ 108.161086][ 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) 
| [  108.161752][  T945] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.163040][  T945] Tainted: [W]=WARN
[  108.163426][  T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.163817][ 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) 
[ 108.164300][ T945] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  108.165572][  T945] RSP: 0018:ffffc900005d7080 EFLAGS: 00010246
[  108.165972][  T945] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  108.166583][  T945] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  108.167092][  T945] RBP: ffffc900005d7168 R08: 0000000000000000 R09: 0000000000000000
[  108.167558][  T945] R10: ffffc900005d7198 R11: ffffffff87ea8918 R12: 1ffff920000bae14
[  108.168022][  T945] R13: 00000000000005dc R14: ffffc900005d7198 R15: ffff88800b27af08
[  108.168504][  T945] FS:  00007f7b88785800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  108.169058][  T945] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.169459][  T945] CR2: 00007f7b889995c0 CR3: 0000000009942003 CR4: 0000000000772ef0
[  108.169924][  T945] PKRU: 55555554
[  108.170166][  T945] Call Trace:
[  108.170399][  T945]  <TASK>
[ 108.170568][ T945] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.170886][ T945] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.171210][ T945] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.171599][ T945] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.171913][ T945] netif_set_mtu (net/core/dev.c:9652) 
[ 108.172234][ T945] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.172564][ T945] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.173011][ T945] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.173258][ T945] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.173686][ T945] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.174042][ T945] do_set_master (net/core/rtnetlink.c:2948) 
[ 108.174373][ T945] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.174687][ T945] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.175007][ T945] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.175331][ T945] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.175644][ T945] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.175952][ T945] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.176364][ T945] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.176682][ T945] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.176997][ T945] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.177323][ T945] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.177647][ T945] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.177969][ T945] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.178284][ T945] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.178599][ T945] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.178909][ T945] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.179227][ T945] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.179551][ T945] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.179867][ T945] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.180195][ T945] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.180509][ T945] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.180834][ T945] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.181153][ 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) 
[ 108.181467][ T945] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 108.181784][ T945] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.182109][ T945] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.182430][ T945] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.182750][ T945] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.183075][ T945] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.183397][ T945] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.183718][ T945] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.184031][ T945] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.184443][ T945] ___sys_sendmsg (net/socket.c:2670) 
[ 108.184763][ T945] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.185088][ T945] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 108.185409][ T945] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 108.185719][ T945] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 108.186036][ T945] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.186363][ T945] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 108.186677][ T945] __sys_sendmsg (net/socket.c:2700) 
[ 108.186993][ T945] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.187331][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.187648][ T945] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.187962][ T945] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.188359][  T945] RIP: 0033:0x7f7b889521e7
[ 108.188692][ 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)
[  108.189822][  T945] RSP: 002b:00007fffc69e6ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.190304][  T945] RAX: ffffffffffffffda RBX: 00007fffc69e72d0 RCX: 00007f7b889521e7
[  108.190771][  T945] RDX: 0000000000000000 RSI: 00007fffc69e6c10 RDI: 0000000000000005
[  108.191258][  T945] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.191731][  T945] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffc69e7308
[  108.192211][  T945] R13: 00000000686e18bd R14: 0000000000499600 R15: 0000000000000000
| [  108.341684][  T948] ------------[ cut here ]------------
| [ 108.342160][ T948] WARNING: CPU: 0 PID: 948 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) 
| [  108.342935][  T948] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.344773][  T948] Tainted: [W]=WARN
[  108.345149][  T948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.345740][ T948] 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) 
[ 108.346270][ T948] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  108.347772][  T948] RSP: 0000:ffffc90001f37080 EFLAGS: 00010246
[  108.348280][  T948] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  108.348883][  T948] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  108.349668][  T948] RBP: ffffc90001f37168 R08: 0000000000000000 R09: 0000000000000000
[  108.350504][  T948] R10: ffffc90001f37198 R11: ffffffff87ea8918 R12: 1ffff920003e6e14
[  108.351373][  T948] R13: 00000000000005dc R14: ffffc90001f37198 R15: ffff88800b27af08
[  108.351958][  T948] FS:  00007f9fe627c800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  108.352710][  T948] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.353115][  T948] CR2: 00007fb4a9d52240 CR3: 000000000ee24005 CR4: 0000000000772ef0
[  108.353636][  T948] PKRU: 55555554
[  108.354041][  T948] Call Trace:
[  108.354446][  T948]  <TASK>
[ 108.354745][ T948] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.355242][ T948] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.355653][ T948] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.356165][ T948] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.356641][ T948] netif_set_mtu (net/core/dev.c:9652) 
[ 108.357087][ T948] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.357512][ T948] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.357965][ T948] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.358338][ T948] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.358935][ T948] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.359391][ T948] do_set_master (net/core/rtnetlink.c:2948) 
[ 108.359807][ T948] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.360146][ T948] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.360497][ T948] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.360813][ T948] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.361257][ T948] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.361664][ T948] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.362068][ T948] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.362638][ T948] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.363197][ T948] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.363595][ T948] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.363971][ T948] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.364441][ T948] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.364905][ T948] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.365344][ T948] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.365734][ T948] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.366173][ T948] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.366661][ T948] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.366984][ T948] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.367346][ T948] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.368058][ T948] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.370258][ T948] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.371028][ T948] ? 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) 
[ 108.371580][ T948] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 108.371907][ T948] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.372229][ T948] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.372550][ T948] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.372867][ T948] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.373192][ T948] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.373523][ T948] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.373840][ T948] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.374167][ T948] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.374562][ T948] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 108.374879][ T948] ___sys_sendmsg (net/socket.c:2670) 
[ 108.375433][ T948] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.375751][ T948] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.376079][ T948] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.376395][ T948] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 108.376721][ T948] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.377038][ T948] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.377362][ T948] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 108.377693][ T948] __sys_sendmsg (net/socket.c:2700) 
[ 108.378009][ T948] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.378331][ T948] ? 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) 
[ 108.378662][ T948] ? 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) 
[ 108.378980][ T948] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.379324][ T948] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.379651][ T948] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.380282][  T948] RIP: 0033:0x7f9fe64491e7
[ 108.380606][ T948] 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)
[  108.381985][  T948] RSP: 002b:00007ffeb6fefe58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.382468][  T948] RAX: ffffffffffffffda RBX: 00007ffeb6ff0580 RCX: 00007f9fe64491e7
[  108.382946][  T948] RDX: 0000000000000000 RSI: 00007ffeb6fefec0 RDI: 0000000000000005
[  108.383430][  T948] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.383902][  T948] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeb6ff05b8
[  108.385076][  T948] R13: 00000000686e18be R14: 0000000000499600 R15: 0000000000000000
| [  108.557466][  T950] ------------[ cut here ]------------
| [ 108.557779][ T950] WARNING: CPU: 0 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) 
| [  108.558431][  T950] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.559586][  T950] Tainted: [W]=WARN
[  108.559826][  T950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.560230][ 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) 
[ 108.560561][ T950] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  108.561690][  T950] RSP: 0018:ffffc90000537080 EFLAGS: 00010246
[  108.562102][  T950] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  108.562571][  T950] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  108.563044][  T950] RBP: ffffc90000537168 R08: 0000000000000000 R09: 0000000000000000
[  108.563530][  T950] R10: ffffc90000537198 R11: ffffffff87ea8918 R12: 1ffff920000a6e14
[  108.564005][  T950] R13: 00000000000005dc R14: ffffc90000537198 R15: ffff88800b27af08
[  108.564483][  T950] FS:  00007f65a6164800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  108.565039][  T950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.565445][  T950] CR2: 00000000004a1738 CR3: 000000000b2d2003 CR4: 0000000000772ef0
[  108.565919][  T950] PKRU: 55555554
[  108.566161][  T950] Call Trace:
[  108.566398][  T950]  <TASK>
[ 108.566562][ T950] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.566891][ T950] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.567219][ T950] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.567613][ T950] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.567929][ T950] netif_set_mtu (net/core/dev.c:9652) 
[ 108.568250][ T950] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.568576][ T950] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.569025][ T950] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.569274][ T950] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.569717][ T950] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.570086][ T950] do_set_master (net/core/rtnetlink.c:2948) 
[ 108.570400][ T950] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.570720][ T950] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.571036][ T950] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.571364][ T950] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.571677][ T950] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.571989][ T950] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.572326][ T950] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.572642][ T950] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.572974][ T950] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.573306][ T950] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.573629][ T950] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.573968][ T950] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.574293][ T950] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.574614][ T950] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.574936][ T950] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.575259][ T950] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.575581][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.575905][ T950] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.576235][ T950] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.576552][ T950] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.576878][ T950] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.577197][ 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) 
[ 108.577515][ T950] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 108.577830][ T950] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.578148][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.578468][ T950] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.578786][ T950] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.579120][ T950] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.579459][ T950] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.579782][ T950] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.580117][ T950] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.580514][ T950] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 108.580847][ T950] ___sys_sendmsg (net/socket.c:2670) 
[ 108.581170][ T950] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.581488][ T950] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.581805][ T950] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.582125][ T950] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 108.582443][ T950] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.582759][ T950] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.583087][ T950] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 108.583420][ T950] __sys_sendmsg (net/socket.c:2700) 
[ 108.583752][ T950] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.584072][ 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) 
[ 108.584399][ 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) 
[ 108.584728][ T950] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.585064][ T950] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.585395][ T950] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.585785][  T950] RIP: 0033:0x7f65a63311e7
[ 108.586128][ 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)
[  108.587255][  T950] RSP: 002b:00007fff31e321b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.587727][  T950] RAX: ffffffffffffffda RBX: 00007fff31e328e0 RCX: 00007f65a63311e7
[  108.588209][  T950] RDX: 0000000000000000 RSI: 00007fff31e32220 RDI: 0000000000000005
[  108.588680][  T950] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.589155][  T950] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff31e32918
[  108.589639][  T950] R13: 00000000686e18be R14: 0000000000499600 R15: 0000000000000000
| [  108.767480][  T951] ------------[ cut here ]------------
| [ 108.767814][ T951] WARNING: CPU: 2 PID: 951 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) 
| [  108.768495][  T951] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.769710][  T951] Tainted: [W]=WARN
[  108.769965][  T951] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.770377][ T951] 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) 
[ 108.770714][ T951] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  108.771854][  T951] RSP: 0018:ffffc90000527080 EFLAGS: 00010246
[  108.772285][  T951] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  108.772772][  T951] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  108.773274][  T951] RBP: ffffc90000527168 R08: 0000000000000000 R09: 0000000000000000
[  108.773766][  T951] R10: ffffc90000527198 R11: ffffffff87ea8918 R12: 1ffff920000a4e14
[  108.774275][  T951] R13: 00000000000005dc R14: ffffc90000527198 R15: ffff88800b27af08
[  108.774767][  T951] FS:  00007f39bf310800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  108.775342][  T951] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.775750][  T951] CR2: 000055aaa427e110 CR3: 000000000b2d2006 CR4: 0000000000772ef0
[  108.776240][  T951] PKRU: 55555554
[  108.776496][  T951] Call Trace:
[  108.776754][  T951]  <TASK>
[ 108.776929][ T951] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.777276][ T951] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.777609][ T951] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.778029][ T951] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.778368][ T951] netif_set_mtu (net/core/dev.c:9652) 
[ 108.778703][ T951] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.779063][ T951] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.779534][ T951] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.779787][ T951] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.780256][ T951] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.780643][ T951] do_set_master (net/core/rtnetlink.c:2948) 
[ 108.780975][ T951] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.781344][ T951] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.781676][ T951] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.782003][ T951] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.782348][ T951] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.782693][ T951] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.783029][ T951] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.783372][ T951] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.783714][ T951] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.784086][ T951] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.784420][ T951] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.784760][ T951] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.785112][ T951] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.785443][ T951] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.785776][ T951] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.786116][ T951] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.786463][ T951] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.786794][ T951] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.787130][ T951] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.787466][ T951] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.787804][ T951] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.788152][ T951] ? 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) 
[ 108.788482][ T951] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 108.788813][ T951] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.789164][ T951] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.789555][ T951] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.789906][ T951] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.790259][ T951] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.790607][ T951] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.790957][ T951] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.791319][ T951] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.791725][ T951] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 108.792075][ T951] ___sys_sendmsg (net/socket.c:2670) 
[ 108.792415][ T951] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.792748][ T951] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.793088][ T951] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.793427][ T951] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 108.793765][ T951] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.794109][ T951] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.794442][ T951] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 108.794790][ T951] __sys_sendmsg (net/socket.c:2700) 
[ 108.795137][ T951] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.795463][ T951] ? 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) 
[ 108.795807][ T951] ? 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) 
[ 108.796147][ T951] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.796484][ T951] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.796824][ T951] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.797259][  T951] RIP: 0033:0x7f39bf4dd1e7
[ 108.797603][ T951] 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)
[  108.798752][  T951] RSP: 002b:00007ffe1a8e11b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.799269][  T951] RAX: ffffffffffffffda RBX: 00007ffe1a8e18e0 RCX: 00007f39bf4dd1e7
[  108.799800][  T951] RDX: 0000000000000000 RSI: 00007ffe1a8e1220 RDI: 0000000000000005
[  108.800298][  T951] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.800792][  T951] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe1a8e1918
[  108.801299][  T951] R13: 00000000686e18be R14: 0000000000499600 R15: 0000000000000000
| [  108.947886][  T953] ------------[ cut here ]------------
| [ 108.948248][ T953] WARNING: CPU: 2 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) 
| [  108.948885][  T953] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.950073][  T953] Tainted: [W]=WARN
[  108.950325][  T953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.950733][ 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) 
[ 108.951081][ T953] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  108.952228][  T953] RSP: 0000:ffffc90000527080 EFLAGS: 00010246
[  108.952636][  T953] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  108.953127][  T953] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  108.953608][  T953] RBP: ffffc90000527168 R08: 0000000000000000 R09: 0000000000000000
[  108.954101][  T953] R10: ffffc90000527198 R11: ffffffff87ea8918 R12: 1ffff920000a4e14
[  108.954591][  T953] R13: 00000000000005dc R14: ffffc90000527198 R15: ffff88800b27af08
[  108.955080][  T953] FS:  00007fcdebc7f800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  108.955639][  T953] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.956058][  T953] CR2: 00007fb4a9d8e7d0 CR3: 000000000c636004 CR4: 0000000000772ef0
[  108.956543][  T953] PKRU: 55555554
[  108.956792][  T953] Call Trace:
[  108.957037][  T953]  <TASK>
[ 108.957220][ T953] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.957553][ T953] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.957881][ T953] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.958301][ T953] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.958630][ T953] netif_set_mtu (net/core/dev.c:9652) 
[ 108.958971][ T953] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.959356][ T953] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.959818][ T953] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.960081][ T953] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.960524][ T953] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.960907][ T953] do_set_master (net/core/rtnetlink.c:2948) 
[ 108.961247][ T953] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.961581][ T953] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.961910][ T953] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.962245][ T953] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.962574][ T953] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.962899][ T953] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.963242][ T953] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.963572][ T953] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.963910][ T953] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.964264][ T953] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.964600][ T953] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.964935][ T953] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.965268][ T953] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.965595][ T953] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.965920][ T953] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.966254][ T953] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.966585][ T953] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.966919][ T953] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.967254][ T953] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.967585][ T953] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.967940][ T953] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.968278][ 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) 
[ 108.968608][ T953] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 108.968937][ T953] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.969280][ T953] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.969622][ T953] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.969953][ T953] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.970289][ T953] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.970626][ T953] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.970956][ T953] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.971286][ T953] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.971695][ T953] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 108.972026][ T953] ___sys_sendmsg (net/socket.c:2670) 
[ 108.972364][ T953] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.972689][ T953] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.973020][ T953] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.973351][ T953] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 108.973688][ T953] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.974015][ T953] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.974360][ T953] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 108.974708][ T953] __sys_sendmsg (net/socket.c:2700) 
[ 108.975037][ T953] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.975370][ 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) 
[ 108.975706][ 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) 
[ 108.976041][ T953] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.976382][ T953] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.976709][ T953] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.977122][  T953] RIP: 0033:0x7fcdebe4c1e7
[ 108.977459][ 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)
[  108.978597][  T953] RSP: 002b:00007ffffe7822b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.979093][  T953] RAX: ffffffffffffffda RBX: 00007ffffe7829e0 RCX: 00007fcdebe4c1e7
[  108.979587][  T953] RDX: 0000000000000000 RSI: 00007ffffe782320 RDI: 0000000000000005
[  108.980074][  T953] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.980560][  T953] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffffe782a18
[  108.981041][  T953] R13: 00000000686e18be R14: 0000000000499600 R15: 0000000000000000
| [  109.153122][  T955] ------------[ cut here ]------------
| [ 109.153674][ T955] WARNING: CPU: 3 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) 
| [  109.154812][  T955] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.156828][  T955] Tainted: [W]=WARN
[  109.157265][  T955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.157934][ 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) 
[ 109.158529][ T955] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  109.160508][  T955] RSP: 0018:ffffc900004d7080 EFLAGS: 00010246
[  109.161230][  T955] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  109.162091][  T955] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  109.162947][  T955] RBP: ffffc900004d7168 R08: 0000000000000000 R09: 0000000000000000
[  109.163800][  T955] R10: ffffc900004d7198 R11: ffffffff87ea8918 R12: 1ffff9200009ae14
[  109.164672][  T955] R13: 00000000000005dc R14: ffffc900004d7198 R15: ffff88800b27af08
[  109.165528][  T955] FS:  00007eff9ca30800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  109.166499][  T955] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.167220][  T955] CR2: 00000000004a1738 CR3: 00000000050b2004 CR4: 0000000000772ef0
[  109.168068][  T955] PKRU: 55555554
[  109.168505][  T955] Call Trace:
[  109.168925][  T955]  <TASK>
[ 109.169242][ T955] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.169822][ T955] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.170403][ T955] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.171107][ T955] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.171680][ T955] netif_set_mtu (net/core/dev.c:9652) 
[ 109.172255][ T955] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.172837][ T955] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.173624][ T955] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.174064][ T955] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.174835][ T955] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.175503][ T955] do_set_master (net/core/rtnetlink.c:2948) 
[ 109.176080][ T955] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.176654][ T955] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.177246][ T955] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.177817][ T955] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.178410][ T955] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.178962][ T955] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.179569][ T955] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.180146][ T955] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.180717][ T955] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.181316][ T955] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.181885][ T955] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.182491][ T955] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.183065][ T955] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.183637][ T955] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.184212][ T955] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.184780][ T955] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.185381][ T955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.185965][ T955] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.186551][ T955] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.187126][ T955] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.187708][ T955] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.188274][ 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) 
[ 109.188833][ T955] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.189464][ T955] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.189806][ T955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.190142][ T955] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.190469][ T955] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.190786][ T955] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.191118][ T955] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.191442][ T955] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.191752][ T955] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.192158][ T955] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.192479][ T955] ___sys_sendmsg (net/socket.c:2670) 
[ 109.192796][ T955] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.193127][ T955] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.193446][ T955] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.193763][ T955] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.194100][ T955] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.194431][ T955] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.194743][ T955] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.195080][ T955] __sys_sendmsg (net/socket.c:2700) 
[ 109.195396][ T955] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.195708][ 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) 
[ 109.196030][ 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) 
[ 109.196354][ T955] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.196676][ T955] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.196993][ T955] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.197386][  T955] RIP: 0033:0x7eff9cbfd1e7
[ 109.197711][ 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)
[  109.198841][  T955] RSP: 002b:00007ffd94d5eab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.199343][  T955] RAX: ffffffffffffffda RBX: 00007ffd94d5f1e0 RCX: 00007eff9cbfd1e7
[  109.199817][  T955] RDX: 0000000000000000 RSI: 00007ffd94d5eb20 RDI: 0000000000000005
[  109.200295][  T955] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.200763][  T955] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd94d5f218
[  109.201248][  T955] R13: 00000000686e18be R14: 0000000000499600 R15: 0000000000000000
| [  109.356986][  T957] ------------[ cut here ]------------
| [ 109.357328][ T957] WARNING: CPU: 0 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) 
| [  109.357947][  T957] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.359294][  T957] Tainted: [W]=WARN
[  109.359542][  T957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.359937][ 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) 
[ 109.360270][ T957] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  109.361398][  T957] RSP: 0018:ffffc900004d7080 EFLAGS: 00010246
[  109.361803][  T957] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  109.362285][  T957] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  109.362756][  T957] RBP: ffffc900004d7168 R08: 0000000000000000 R09: 0000000000000000
[  109.363233][  T957] R10: ffffc900004d7198 R11: ffffffff87ea8918 R12: 1ffff9200009ae14
[  109.363704][  T957] R13: 00000000000005dc R14: ffffc900004d7198 R15: ffff88800b27af08
[  109.364179][  T957] FS:  00007fcd51399800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  109.364727][  T957] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.365128][  T957] CR2: 00000000004a1738 CR3: 000000000b212002 CR4: 0000000000772ef0
[  109.365601][  T957] PKRU: 55555554
[  109.365831][  T957] Call Trace:
[  109.366071][  T957]  <TASK>
[ 109.366234][ T957] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.366555][ T957] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.366871][ T957] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.367271][ T957] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.367588][ T957] netif_set_mtu (net/core/dev.c:9652) 
[ 109.367904][ T957] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.368239][ T957] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.368679][ T957] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.368919][ T957] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.369367][ T957] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.369729][ T957] do_set_master (net/core/rtnetlink.c:2948) 
[ 109.370044][ T957] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.370373][ T957] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.370690][ T957] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.371000][ T957] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.371323][ T957] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.371643][ T957] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.371970][ T957] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.372287][ T957] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.372609][ T957] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.372934][ T957] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.373259][ T957] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.373584][ T957] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.373895][ T957] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.374225][ T957] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.374539][ T957] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.374858][ T957] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.375182][ T957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.375505][ T957] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.375824][ T957] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.376160][ T957] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.376512][ T957] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.376841][ 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) 
[ 109.377180][ T957] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.377517][ T957] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.377847][ T957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.378188][ T957] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.378523][ T957] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.378865][ T957] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.379218][ T957] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.379566][ T957] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.379894][ T957] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.380321][ T957] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.380661][ T957] ___sys_sendmsg (net/socket.c:2670) 
[ 109.380995][ T957] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.381336][ T957] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.381670][ T957] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.381995][ T957] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.382337][ T957] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.382668][ T957] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.382996][ T957] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.383352][ T957] __sys_sendmsg (net/socket.c:2700) 
[ 109.383692][ T957] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.384018][ 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) 
[ 109.384365][ 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) 
[ 109.384698][ T957] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.385031][ T957] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.385371][ T957] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.385783][  T957] RIP: 0033:0x7fcd515661e7
[ 109.386136][ 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)
[  109.387321][  T957] RSP: 002b:00007ffe85114b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.387820][  T957] RAX: ffffffffffffffda RBX: 00007ffe851152b0 RCX: 00007fcd515661e7
[  109.388333][  T957] RDX: 0000000000000000 RSI: 00007ffe85114bf0 RDI: 0000000000000005
[  109.388832][  T957] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.389339][  T957] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe851152e8
[  109.389839][  T957] R13: 00000000686e18bf R14: 0000000000499600 R15: 0000000000000000
| [  109.551313][  T959] ------------[ cut here ]------------
| [ 109.551650][ T959] WARNING: CPU: 2 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) 
| [  109.552890][  T959] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.554040][  T959] Tainted: [W]=WARN
[  109.554338][  T959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.554750][ 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) 
[ 109.555124][ T959] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  109.556311][  T959] RSP: 0018:ffffc900004c7080 EFLAGS: 00010246
[  109.556756][  T959] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  109.557248][  T959] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  109.557730][  T959] RBP: ffffc900004c7168 R08: 0000000000000000 R09: 0000000000000000
[  109.558256][  T959] R10: ffffc900004c7198 R11: ffffffff87ea8918 R12: 1ffff92000098e14
[  109.558733][  T959] R13: 00000000000005dc R14: ffffc900004c7198 R15: ffff88800b27af08
[  109.559225][  T959] FS:  00007f5c8c650800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  109.559798][  T959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.560220][  T959] CR2: 00000000004a1738 CR3: 000000000b212005 CR4: 0000000000772ef0
[  109.560706][  T959] PKRU: 55555554
[  109.560951][  T959] Call Trace:
[  109.561245][  T959]  <TASK>
[ 109.561422][ T959] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.561755][ T959] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.562128][ T959] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.562545][ T959] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.562877][ T959] netif_set_mtu (net/core/dev.c:9652) 
[ 109.563237][ T959] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.563577][ T959] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.564031][ T959] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.564294][ T959] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.564735][ T959] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.565129][ T959] do_set_master (net/core/rtnetlink.c:2948) 
[ 109.565466][ T959] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.565799][ T959] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.566193][ T959] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.566525][ T959] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.566853][ T959] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.567227][ T959] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.567562][ T959] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.567888][ T959] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.568252][ T959] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.568594][ T959] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.568926][ T959] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.569274][ T959] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.569606][ T959] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.569938][ T959] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.570272][ T959] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.570609][ T959] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.570939][ T959] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.571319][ T959] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.571654][ T959] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.571982][ T959] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.572328][ T959] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.572654][ 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) 
[ 109.572993][ T959] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.573339][ T959] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.573669][ T959] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.574005][ T959] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.574349][ T959] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.574675][ T959] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.575014][ T959] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.575547][ T959] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.575879][ T959] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.576294][ T959] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.576631][ T959] ___sys_sendmsg (net/socket.c:2670) 
[ 109.576962][ T959] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.577297][ T959] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.577628][ T959] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.577962][ T959] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.578300][ T959] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.578637][ T959] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.578970][ T959] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.579386][ T959] __sys_sendmsg (net/socket.c:2700) 
[ 109.579718][ T959] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.580060][ 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) 
[ 109.580397][ 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) 
[ 109.580729][ T959] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.581064][ T959] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.581400][ T959] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.581812][  T959] RIP: 0033:0x7f5c8c81d1e7
[ 109.582164][ 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)
[  109.583349][  T959] RSP: 002b:00007ffd69008018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.583840][  T959] RAX: ffffffffffffffda RBX: 00007ffd69008740 RCX: 00007f5c8c81d1e7
[  109.584333][  T959] RDX: 0000000000000000 RSI: 00007ffd69008080 RDI: 0000000000000005
[  109.584822][  T959] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.585323][  T959] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd69008778
[  109.585809][  T959] R13: 00000000686e18bf R14: 0000000000499600 R15: 0000000000000000
| [  109.741034][  T961] ------------[ cut here ]------------
| [ 109.742267][ T961] WARNING: CPU: 2 PID: 961 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) 
| [  109.742950][  T961] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.744486][  T961] Tainted: [W]=WARN
[  109.744775][  T961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.745325][ T961] 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) 
[ 109.745697][ T961] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  109.747218][  T961] RSP: 0018:ffffc900004b7080 EFLAGS: 00010246
[  109.747702][  T961] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  109.748344][  T961] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  109.748973][  T961] RBP: ffffc900004b7168 R08: 0000000000000000 R09: 0000000000000000
[  109.749615][  T961] R10: ffffc900004b7198 R11: ffffffff87ea8918 R12: 1ffff92000096e14
[  109.750253][  T961] R13: 00000000000005dc R14: ffffc900004b7198 R15: ffff88800b27af08
[  109.750778][  T961] FS:  00007f545057c800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  109.751475][  T961] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.752013][  T961] CR2: 00007fb4a9d77840 CR3: 000000000b212002 CR4: 0000000000772ef0
[  109.752634][  T961] PKRU: 55555554
[  109.752929][  T961] Call Trace:
[  109.753299][  T961]  <TASK>
[ 109.753571][ T961] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.754115][ T961] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.754512][ T961] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.754949][ T961] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.755319][ T961] netif_set_mtu (net/core/dev.c:9652) 
[ 109.755827][ T961] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.756235][ T961] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.756715][ T961] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.757109][ T961] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.757726][ T961] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.758267][ T961] do_set_master (net/core/rtnetlink.c:2948) 
[ 109.758625][ T961] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.759012][ T961] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.759426][ T961] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.759814][ T961] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.760232][ T961] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.760584][ T961] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.760963][ T961] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.761318][ T961] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.761670][ T961] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.762304][ T961] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.762669][ T961] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.763066][ T961] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.763412][ T961] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.763781][ T961] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.764142][ T961] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.764490][ T961] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.764863][ T961] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.765225][ T961] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.765573][ T961] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.765941][ T961] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.766316][ T961] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.766674][ T961] ? 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) 
[ 109.767033][ T961] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.767397][ T961] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.767755][ T961] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.768122][ T961] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.768473][ T961] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.768847][ T961] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.769213][ T961] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.769583][ T961] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.770097][ T961] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.770683][ T961] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.771061][ T961] ___sys_sendmsg (net/socket.c:2670) 
[ 109.771408][ T961] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.771772][ T961] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.772137][ T961] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.772482][ T961] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.772853][ T961] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.773210][ T961] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.773553][ T961] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.773929][ T961] __sys_sendmsg (net/socket.c:2700) 
[ 109.774305][ T961] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.774658][ T961] ? 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) 
[ 109.775092][ T961] ? 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) 
[ 109.775522][ T961] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.775944][ T961] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.776385][ T961] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.776935][  T961] RIP: 0033:0x7f54507491e7
[ 109.777392][ T961] 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)
[  109.779437][  T961] RSP: 002b:00007fffc4cda1b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.780355][  T961] RAX: ffffffffffffffda RBX: 00007fffc4cda8e0 RCX: 00007f54507491e7
[  109.781239][  T961] RDX: 0000000000000000 RSI: 00007fffc4cda220 RDI: 0000000000000005
[  109.782144][  T961] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.783011][  T961] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffc4cda918
[  109.783920][  T961] R13: 00000000686e18bf R14: 0000000000499600 R15: 0000000000000000
| [  109.948119][  T963] ------------[ cut here ]------------
| [ 109.948451][ T963] WARNING: CPU: 2 PID: 963 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) 
| [  109.949140][  T963] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.950376][  T963] Tainted: [W]=WARN
[  109.950659][  T963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.951100][ T963] 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) 
[ 109.951476][ T963] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  109.952672][  T963] RSP: 0018:ffffc90000547080 EFLAGS: 00010246
[  109.953126][  T963] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  109.953635][  T963] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  109.954156][  T963] RBP: ffffc90000547168 R08: 0000000000000000 R09: 0000000000000000
[  109.954641][  T963] R10: ffffc90000547198 R11: ffffffff87ea8918 R12: 1ffff920000a8e14
[  109.955156][  T963] R13: 00000000000005dc R14: ffffc90000547198 R15: ffff88800b27af08
[  109.955684][  T963] FS:  00007fe4bfcd6800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  109.956297][  T963] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.956729][  T963] CR2: 00000000004a1738 CR3: 000000000b212004 CR4: 0000000000772ef0
[  109.957249][  T963] PKRU: 55555554
[  109.957511][  T963] Call Trace:
[  109.957758][  T963]  <TASK>
[ 109.957952][ T963] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.958300][ T963] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.958634][ T963] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.959041][ T963] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.959409][ T963] netif_set_mtu (net/core/dev.c:9652) 
[ 109.959751][ T963] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.960110][ T963] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.960602][ T963] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.960867][ T963] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.961327][ T963] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.961716][ T963] do_set_master (net/core/rtnetlink.c:2948) 
[ 109.962040][ T963] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.962380][ T963] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.962715][ T963] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.963068][ T963] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.963406][ T963] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.963735][ T963] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.964092][ T963] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.964447][ T963] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.964798][ T963] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.965151][ T963] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.965495][ T963] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.965835][ T963] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.966174][ T963] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.966517][ T963] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.966859][ T963] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.967206][ T963] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.967566][ T963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.967922][ T963] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.968268][ T963] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.968616][ T963] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.968965][ T963] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.969303][ T963] ? 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) 
[ 109.969664][ T963] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.970015][ T963] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.970378][ T963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.970725][ T963] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.971080][ T963] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.971413][ T963] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.971764][ T963] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.972105][ T963] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.972434][ T963] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.972870][ T963] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.973231][ T963] ___sys_sendmsg (net/socket.c:2670) 
[ 109.973573][ T963] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.973904][ T963] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.974244][ T963] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.974570][ T963] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.974901][ T963] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.975238][ T963] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.975588][ T963] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.975949][ T963] __sys_sendmsg (net/socket.c:2700) 
[ 109.976288][ T963] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.976619][ T963] ? 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) 
[ 109.976972][ T963] ? 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) 
[ 109.977332][ T963] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.977674][ T963] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.978016][ T963] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.978431][  T963] RIP: 0033:0x7fe4bfea31e7
[ 109.978771][ T963] 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)
[  109.979956][  T963] RSP: 002b:00007fffa3c11ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.980473][  T963] RAX: ffffffffffffffda RBX: 00007fffa3c125f0 RCX: 00007fe4bfea31e7
[  109.980981][  T963] RDX: 0000000000000000 RSI: 00007fffa3c11f30 RDI: 0000000000000005
[  109.981485][  T963] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.981968][  T963] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffa3c12628
[  109.982492][  T963] R13: 00000000686e18bf R14: 0000000000499600 R15: 0000000000000000
| [  110.146902][  T965] ------------[ cut here ]------------
| [ 110.147290][ T965] WARNING: CPU: 1 PID: 965 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) 
| [  110.147905][  T965] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.149032][  T965] Tainted: [W]=WARN
[  110.149430][  T965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.149821][ T965] 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) 
[ 110.150293][ T965] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  110.151553][  T965] RSP: 0018:ffffc90000527080 EFLAGS: 00010246
[  110.151947][  T965] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  110.152558][  T965] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  110.153024][  T965] RBP: ffffc90000527168 R08: 0000000000000000 R09: 0000000000000000
[  110.153622][  T965] R10: ffffc90000527198 R11: ffffffff87ea8918 R12: 1ffff920000a4e14
[  110.154101][  T965] R13: 00000000000005dc R14: ffffc90000527198 R15: ffff88800b27af08
[  110.154565][  T965] FS:  00007f061a90f800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  110.155123][  T965] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.155516][  T965] CR2: 00000000004a1738 CR3: 000000000c6bd005 CR4: 0000000000772ef0
[  110.155980][  T965] PKRU: 55555554
[  110.156221][  T965] Call Trace:
[  110.156454][  T965]  <TASK>
[ 110.156614][ T965] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.156931][ T965] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.157252][ T965] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.157642][ T965] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.157961][ T965] netif_set_mtu (net/core/dev.c:9652) 
[ 110.158290][ T965] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.158618][ T965] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.159067][ T965] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.159306][ T965] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.159786][ T965] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.160156][ T965] do_set_master (net/core/rtnetlink.c:2948) 
[ 110.160472][ T965] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.160834][ T965] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.161171][ T965] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.161483][ T965] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.161799][ T965] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.162137][ T965] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.162467][ T965] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.162775][ T965] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.163099][ T965] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.163431][ T965] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.163748][ T965] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.164082][ T965] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.164391][ T965] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.164707][ T965] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.165018][ T965] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.165342][ T965] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.165657][ T965] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.165981][ T965] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.166304][ T965] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.166620][ T965] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.166944][ T965] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.167287][ T965] ? 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) 
[ 110.167603][ T965] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.167923][ T965] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.168246][ T965] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.168562][ T965] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.168880][ T965] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.169202][ T965] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.169543][ T965] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.169858][ T965] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.170183][ T965] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.170581][ T965] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.170909][ T965] ___sys_sendmsg (net/socket.c:2670) 
[ 110.171233][ T965] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.171546][ T965] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.171861][ T965] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.172181][ T965] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.172498][ T965] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.172817][ T965] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.173137][ T965] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.173466][ T965] __sys_sendmsg (net/socket.c:2700) 
[ 110.173780][ T965] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.174101][ T965] ? 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) 
[ 110.174429][ T965] ? 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) 
[ 110.174746][ T965] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.175078][ T965] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.175394][ T965] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.175778][  T965] RIP: 0033:0x7f061aadc1e7
[ 110.176107][ T965] 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)
[  110.177230][  T965] RSP: 002b:00007ffc36a670b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.177699][  T965] RAX: ffffffffffffffda RBX: 00007ffc36a677e0 RCX: 00007f061aadc1e7
[  110.178177][  T965] RDX: 0000000000000000 RSI: 00007ffc36a67120 RDI: 0000000000000005
[  110.178645][  T965] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.179125][  T965] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc36a67818
[  110.179618][  T965] R13: 00000000686e18bf R14: 0000000000499600 R15: 0000000000000000
| [  110.343407][  T967] ------------[ cut here ]------------
| [ 110.343733][ T967] WARNING: CPU: 0 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) 
| [  110.344432][  T967] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.345608][  T967] Tainted: [W]=WARN
[  110.345857][  T967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.346283][ 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) 
[ 110.346634][ T967] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  110.347819][  T967] RSP: 0018:ffffc90000517080 EFLAGS: 00010246
[  110.348245][  T967] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  110.348753][  T967] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  110.349260][  T967] RBP: ffffc90000517168 R08: 0000000000000000 R09: 0000000000000000
[  110.349761][  T967] R10: ffffc90000517198 R11: ffffffff87ea8918 R12: 1ffff920000a2e14
[  110.350256][  T967] R13: 00000000000005dc R14: ffffc90000517198 R15: ffff88800b27af08
[  110.350748][  T967] FS:  00007fc8dd197800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  110.351330][  T967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.351742][  T967] CR2: 00000000004a1738 CR3: 000000000c6bd005 CR4: 0000000000772ef0
[  110.352241][  T967] PKRU: 55555554
[  110.352489][  T967] Call Trace:
[  110.352734][  T967]  <TASK>
[ 110.352903][ T967] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.353245][ T967] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.353581][ T967] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.353989][ T967] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.354328][ T967] netif_set_mtu (net/core/dev.c:9652) 
[ 110.354663][ T967] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.355001][ T967] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.355473][ T967] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.355723][ T967] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.356186][ T967] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.356566][ T967] do_set_master (net/core/rtnetlink.c:2948) 
[ 110.356896][ T967] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.357238][ T967] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.357571][ T967] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.357899][ T967] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.358251][ T967] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.358587][ T967] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.358925][ T967] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.359262][ T967] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.359609][ T967] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.359951][ T967] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.360302][ T967] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.360646][ T967] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.360980][ T967] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.361316][ T967] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.361647][ T967] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.361980][ T967] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.362323][ T967] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.362662][ T967] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.362995][ T967] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.363336][ T967] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.363678][ T967] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.364009][ 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) 
[ 110.364370][ T967] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.364716][ T967] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.365055][ T967] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.365396][ T967] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.365734][ T967] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.366074][ T967] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.366412][ T967] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.366745][ T967] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.367080][ T967] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.367494][ T967] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.367833][ T967] ___sys_sendmsg (net/socket.c:2670) 
[ 110.368174][ T967] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.368506][ T967] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.369073][ T967] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.369413][ T967] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.369748][ T967] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.370311][ T967] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.370647][ T967] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.370992][ T967] __sys_sendmsg (net/socket.c:2700) 
[ 110.371564][ T967] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.371895][ 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) 
[ 110.372246][ 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) 
[ 110.372811][ T967] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.373152][ T967] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.373715][ T967] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.374134][  T967] RIP: 0033:0x7fc8dd3641e7
[ 110.374473][ 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)
[  110.376393][  T967] RSP: 002b:00007ffdef64a008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.377139][  T967] RAX: ffffffffffffffda RBX: 00007ffdef64a730 RCX: 00007fc8dd3641e7
[  110.377633][  T967] RDX: 0000000000000000 RSI: 00007ffdef64a070 RDI: 0000000000000005
[  110.378367][  T967] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.378880][  T967] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdef64a768
[  110.379400][  T967] R13: 00000000686e18c0 R14: 0000000000499600 R15: 0000000000000000
| [  110.534431][  T970] ------------[ cut here ]------------
| [ 110.534758][ T970] WARNING: CPU: 1 PID: 970 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) 
| [  110.535441][  T970] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.536775][  T970] Tainted: [W]=WARN
[  110.537025][  T970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.537580][ T970] 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) 
[ 110.537915][ T970] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  110.539230][  T970] RSP: 0000:ffffc90000507080 EFLAGS: 00010246
[  110.539659][  T970] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  110.540307][  T970] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  110.540804][  T970] RBP: ffffc90000507168 R08: 0000000000000000 R09: 0000000000000000
[  110.541442][  T970] R10: ffffc90000507198 R11: ffffffff87ea8918 R12: 1ffff920000a0e14
[  110.541931][  T970] R13: 00000000000005dc R14: ffffc90000507198 R15: ffff88800b27af08
[  110.542553][  T970] FS:  00007fb10c6fc800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  110.543143][  T970] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.543558][  T970] CR2: 00007fb4a9cdeae0 CR3: 000000000ec2c006 CR4: 0000000000772ef0
[  110.544065][  T970] PKRU: 55555554
[  110.544317][  T970] Call Trace:
[  110.544564][  T970]  <TASK>
[ 110.544733][ T970] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.545076][ T970] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.545408][ T970] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.545819][ T970] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.546168][ T970] netif_set_mtu (net/core/dev.c:9652) 
[ 110.546495][ T970] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.546841][ T970] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.547316][ T970] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.547565][ T970] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.548009][ T970] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.548397][ T970] do_set_master (net/core/rtnetlink.c:2948) 
[ 110.548725][ T970] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.549069][ T970] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.549408][ T970] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.549731][ T970] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.550068][ T970] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.550396][ T970] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.550732][ T970] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.551067][ T970] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.551403][ T970] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.551745][ T970] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.552085][ T970] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.552423][ T970] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.552745][ T970] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.553084][ T970] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.553411][ T970] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.553742][ T970] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.554089][ T970] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.554424][ T970] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.554752][ T970] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.555090][ T970] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.555427][ T970] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.555753][ T970] ? 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) 
[ 110.556091][ T970] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.556427][ T970] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.556751][ T970] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.557092][ T970] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.557426][ T970] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.557752][ T970] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.558095][ T970] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.558426][ T970] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.558750][ T970] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.559175][ T970] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.559519][ T970] ___sys_sendmsg (net/socket.c:2670) 
[ 110.559848][ T970] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.560182][ T970] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.560511][ T970] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.560837][ T970] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.561182][ T970] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.561510][ T970] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.561836][ T970] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.562188][ T970] __sys_sendmsg (net/socket.c:2700) 
[ 110.562517][ T970] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.562843][ T970] ? 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) 
[ 110.563188][ T970] ? 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) 
[ 110.563522][ T970] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.563850][ T970] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.564187][ T970] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.564601][  T970] RIP: 0033:0x7fb10c8c91e7
[ 110.564938][ T970] 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)
[  110.566104][  T970] RSP: 002b:00007ffc8394cc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.566600][  T970] RAX: ffffffffffffffda RBX: 00007ffc8394d390 RCX: 00007fb10c8c91e7
[  110.567098][  T970] RDX: 0000000000000000 RSI: 00007ffc8394ccd0 RDI: 0000000000000005
[  110.567588][  T970] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.568088][  T970] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8394d3c8
[  110.568575][  T970] R13: 00000000686e18c0 R14: 0000000000499600 R15: 0000000000000000
| [  110.711398][  T971] ------------[ cut here ]------------
| [ 110.711755][ T971] WARNING: CPU: 1 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) 
| [  110.712404][  T971] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.713538][  T971] Tainted: [W]=WARN
[  110.713780][  T971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.714325][ 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) 
[ 110.714656][ T971] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  110.715913][  T971] RSP: 0018:ffffc90000567080 EFLAGS: 00010246
[  110.716455][  T971] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  110.716927][  T971] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  110.717551][  T971] RBP: ffffc90000567168 R08: 0000000000000000 R09: 0000000000000000
[  110.718017][  T971] R10: ffffc90000567198 R11: ffffffff87ea8918 R12: 1ffff920000ace14
[  110.718632][  T971] R13: 00000000000005dc R14: ffffc90000567198 R15: ffff88800b27af08
[  110.719251][  T971] FS:  00007f902e5bb800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  110.719809][  T971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.720352][  T971] CR2: 00000000004a1738 CR3: 000000000ec2c003 CR4: 0000000000772ef0
[  110.720824][  T971] PKRU: 55555554
[  110.721213][  T971] Call Trace:
[  110.721448][  T971]  <TASK>
[ 110.721610][ T971] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.721931][ T971] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.722393][ T971] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.722782][ T971] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.723249][ T971] netif_set_mtu (net/core/dev.c:9652) 
[ 110.723567][ T971] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.723895][ T971] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.724488][ T971] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.724726][ T971] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.725287][ T971] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.725649][ T971] do_set_master (net/core/rtnetlink.c:2948) 
[ 110.725964][ T971] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.726291][ T971] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.726609][ T971] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.726915][ T971] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.727240][ T971] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.727559][ T971] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.727879][ T971] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.728202][ T971] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.728525][ T971] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.728850][ T971] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.729186][ T971] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.729530][ T971] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.729841][ T971] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.730163][ T971] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.730474][ T971] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.730786][ T971] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.731119][ T971] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.731439][ T971] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.731761][ T971] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.732084][ T971] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.732407][ T971] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.732718][ 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) 
[ 110.733031][ T971] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.733364][ T971] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.733679][ T971] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.734001][ T971] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.734333][ T971] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.734650][ T971] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.734976][ T971] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.735308][ T971] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.735632][ T971] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.736032][ T971] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.736361][ T971] ___sys_sendmsg (net/socket.c:2670) 
[ 110.736675][ T971] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.736991][ T971] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.737321][ T971] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.737635][ T971] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.737958][ T971] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.738283][ T971] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.738593][ T971] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.738923][ T971] __sys_sendmsg (net/socket.c:2700) 
[ 110.739246][ T971] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.739576][ 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) 
[ 110.739899][ 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) 
[ 110.740228][ T971] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.740549][ T971] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.740867][ T971] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.741290][  T971] RIP: 0033:0x7f902e7881e7
[ 110.741620][ 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)
[  110.742747][  T971] RSP: 002b:00007ffda990aca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.743231][  T971] RAX: ffffffffffffffda RBX: 00007ffda990b3d0 RCX: 00007f902e7881e7
[  110.743702][  T971] RDX: 0000000000000000 RSI: 00007ffda990ad10 RDI: 0000000000000005
[  110.744175][  T971] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.744640][  T971] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda990b408
[  110.745119][  T971] R13: 00000000686e18c0 R14: 0000000000499600 R15: 0000000000000000
| [  110.893347][  T973] ------------[ cut here ]------------
| [ 110.893661][ T973] WARNING: CPU: 0 PID: 973 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) 
| [  110.894337][  T973] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.895481][  T973] Tainted: [W]=WARN
[  110.895720][  T973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.896120][ T973] 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) 
[ 110.896444][ T973] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  110.897584][  T973] RSP: 0018:ffffc900005a7080 EFLAGS: 00010246
[  110.897987][  T973] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  110.898469][  T973] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  110.898948][  T973] RBP: ffffc900005a7168 R08: 0000000000000000 R09: 0000000000000000
[  110.899441][  T973] R10: ffffc900005a7198 R11: ffffffff87ea8918 R12: 1ffff920000b4e14
[  110.899913][  T973] R13: 00000000000005dc R14: ffffc900005a7198 R15: ffff88800b27af08
[  110.900390][  T973] FS:  00007fc34529d800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  110.900953][  T973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.901358][  T973] CR2: 00000000004a1738 CR3: 000000000eeb9005 CR4: 0000000000772ef0
[  110.901834][  T973] PKRU: 55555554
[  110.902078][  T973] Call Trace:
[  110.902318][  T973]  <TASK>
[ 110.902481][ T973] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.902805][ T973] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.903132][ T973] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.903537][ T973] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.903856][ T973] netif_set_mtu (net/core/dev.c:9652) 
[ 110.904184][ T973] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.904509][ T973] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.904952][ T973] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.905199][ T973] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.905633][ T973] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.905995][ T973] do_set_master (net/core/rtnetlink.c:2948) 
[ 110.906320][ T973] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.906639][ T973] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.906957][ T973] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.907274][ T973] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.907592][ T973] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.907907][ T973] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.908235][ T973] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.908547][ T973] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.908865][ T973] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.909194][ T973] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.909532][ T973] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.909859][ T973] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.910177][ T973] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.910500][ T973] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.910814][ T973] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.911139][ T973] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.911456][ T973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.911778][ T973] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.912099][ T973] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.912416][ T973] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.912747][ T973] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.913074][ T973] ? 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) 
[ 110.913398][ T973] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.913718][ T973] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.914035][ T973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.914363][ T973] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.914682][ T973] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.915002][ T973] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.915334][ T973] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.915652][ T973] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.915965][ T973] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.916370][ T973] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.916691][ T973] ___sys_sendmsg (net/socket.c:2670) 
[ 110.917004][ T973] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.917323][ T973] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.917639][ T973] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.917950][ T973] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.918275][ T973] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.918592][ T973] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.918902][ T973] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.919244][ T973] __sys_sendmsg (net/socket.c:2700) 
[ 110.919568][ T973] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.919885][ T973] ? 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) 
[ 110.920218][ T973] ? 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) 
[ 110.920536][ T973] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.920855][ T973] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.921178][ T973] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.921570][  T973] RIP: 0033:0x7fc34546a1e7
[ 110.921893][ T973] 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)
[  110.923030][  T973] RSP: 002b:00007ffe176e1c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.923513][  T973] RAX: ffffffffffffffda RBX: 00007ffe176e2380 RCX: 00007fc34546a1e7
[  110.923990][  T973] RDX: 0000000000000000 RSI: 00007ffe176e1cc0 RDI: 0000000000000005
[  110.924464][  T973] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.924938][  T973] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe176e23b8
[  110.925414][  T973] R13: 00000000686e18c0 R14: 0000000000499600 R15: 0000000000000000
| [  111.104940][  T975] ------------[ cut here ]------------
| [ 111.105326][ T975] WARNING: CPU: 2 PID: 975 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) 
| [  111.105960][  T975] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.107143][  T975] Tainted: [W]=WARN
[  111.107405][  T975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.107810][ T975] 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) 
[ 111.108157][ T975] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  111.109292][  T975] RSP: 0018:ffffc900005a7080 EFLAGS: 00010246
[  111.109711][  T975] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  111.110207][  T975] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  111.110695][  T975] RBP: ffffc900005a7168 R08: 0000000000000000 R09: 0000000000000000
[  111.111183][  T975] R10: ffffc900005a7198 R11: ffffffff87ea8918 R12: 1ffff920000b4e14
[  111.111664][  T975] R13: 00000000000005dc R14: ffffc900005a7198 R15: ffff88800b27af08
[  111.112153][  T975] FS:  00007fe82fa78800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  111.112715][  T975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.113132][  T975] CR2: 00000000004a1738 CR3: 000000001750c006 CR4: 0000000000772ef0
[  111.113616][  T975] PKRU: 55555554
[  111.113859][  T975] Call Trace:
[  111.114115][  T975]  <TASK>
[ 111.114289][ T975] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.114619][ T975] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.114956][ T975] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.115370][ T975] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.115702][ T975] netif_set_mtu (net/core/dev.c:9652) 
[ 111.116029][ T975] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.116377][ T975] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.116834][ T975] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.117096][ T975] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.117548][ T975] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.117957][ T975] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.118298][ T975] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.118630][ T975] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.118959][ T975] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.119296][ T975] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.119651][ T975] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.119980][ T975] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.120333][ T975] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.120661][ T975] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.120993][ T975] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.121341][ T975] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.121672][ T975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.122013][ T975] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.122350][ T975] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.122681][ T975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.123006][ T975] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.123345][ T975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.123674][ T975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.124008][ T975] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.124342][ T975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.124674][ T975] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.125011][ T975] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.125354][ T975] ? 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) 
[ 111.125690][ T975] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.126023][ T975] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.126355][ T975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.126690][ T975] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.127027][ T975] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.127364][ T975] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.127700][ T975] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.128031][ T975] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.128367][ T975] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.128775][ T975] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.129116][ T975] ___sys_sendmsg (net/socket.c:2670) 
[ 111.129460][ T975] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.129786][ T975] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.130124][ T975] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.130446][ T975] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.130775][ T975] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.131111][ T975] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.131440][ T975] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.131783][ T975] __sys_sendmsg (net/socket.c:2700) 
[ 111.132125][ T975] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.132452][ T975] ? 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) 
[ 111.132795][ T975] ? 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) 
[ 111.133141][ T975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.133471][ T975] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.133808][ T975] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.134218][  T975] RIP: 0033:0x7fe82fc451e7
[ 111.134556][ T975] 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)
[  111.135696][  T975] RSP: 002b:00007fff023145f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.136198][  T975] RAX: ffffffffffffffda RBX: 00007fff02314d20 RCX: 00007fe82fc451e7
[  111.136684][  T975] RDX: 0000000000000000 RSI: 00007fff02314660 RDI: 0000000000000005
[  111.137175][  T975] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.137656][  T975] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff02314d58
[  111.138150][  T975] R13: 00000000686e18c0 R14: 0000000000499600 R15: 0000000000000000
| [  111.307994][  T977] ------------[ cut here ]------------
| [ 111.308365][ T977] WARNING: CPU: 3 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) 
| [  111.309005][  T977] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.310199][  T977] Tainted: [W]=WARN
[  111.310442][  T977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.310855][ 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) 
[ 111.311197][ T977] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  111.312335][  T977] RSP: 0018:ffffc900005b7080 EFLAGS: 00010246
[  111.312733][  T977] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  111.313229][  T977] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  111.313705][  T977] RBP: ffffc900005b7168 R08: 0000000000000000 R09: 0000000000000000
[  111.314180][  T977] R10: ffffc900005b7198 R11: ffffffff87ea8918 R12: 1ffff920000b6e14
[  111.314660][  T977] R13: 00000000000005dc R14: ffffc900005b7198 R15: ffff88800b27af08
[  111.315141][  T977] FS:  00007f0c0e3f4800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  111.315705][  T977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.316120][  T977] CR2: 00000000004a1738 CR3: 000000001750c002 CR4: 0000000000772ef0
[  111.316598][  T977] PKRU: 55555554
[  111.316840][  T977] Call Trace:
[  111.317100][  T977]  <TASK>
[ 111.317275][ T977] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.317596][ T977] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.317923][ T977] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.318324][ T977] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.318641][ T977] netif_set_mtu (net/core/dev.c:9652) 
[ 111.318970][ T977] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.319309][ T977] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.319782][ T977] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.320022][ T977] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.320458][ T977] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.320822][ T977] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.321141][ T977] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.321463][ T977] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.321789][ T977] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.322106][ T977] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.322419][ T977] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.322735][ T977] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.323075][ T977] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.323386][ T977] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.323706][ T977] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.324045][ T977] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.324389][ T977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.324717][ T977] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.325026][ T977] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.325352][ T977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.325677][ T977] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.325996][ T977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.326320][ T977] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.326641][ T977] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.326956][ T977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.327281][ T977] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.327610][ T977] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.327928][ 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) 
[ 111.328257][ T977] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.328575][ T977] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.328882][ T977] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.329218][ T977] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.329566][ T977] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.329896][ T977] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.330252][ T977] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.330586][ T977] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.330900][ T977] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.331308][ T977] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.331632][ T977] ___sys_sendmsg (net/socket.c:2670) 
[ 111.331947][ T977] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.332268][ T977] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.332585][ T977] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.332907][ T977] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.333252][ T977] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.333583][ T977] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.333909][ T977] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.334261][ T977] __sys_sendmsg (net/socket.c:2700) 
[ 111.334604][ T977] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.334929][ 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) 
[ 111.335277][ 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) 
[ 111.335610][ T977] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.335951][ T977] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.336291][ T977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.336720][  T977] RIP: 0033:0x7f0c0e5c11e7
[ 111.337093][ 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)
[  111.338291][  T977] RSP: 002b:00007ffc4eff8fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.338806][  T977] RAX: ffffffffffffffda RBX: 00007ffc4eff9700 RCX: 00007f0c0e5c11e7
[  111.339300][  T977] RDX: 0000000000000000 RSI: 00007ffc4eff9040 RDI: 0000000000000005
[  111.339784][  T977] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.340261][  T977] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4eff9738
[  111.340731][  T977] R13: 00000000686e18c1 R14: 0000000000499600 R15: 0000000000000000
| [  111.508375][  T980] ------------[ cut here ]------------
| [ 111.508723][ T980] WARNING: CPU: 3 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) 
| [  111.509875][  T980] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.511131][  T980] Tainted: [W]=WARN
[  111.511384][  T980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.511797][ 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) 
[ 111.512160][ T980] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  111.513351][  T980] RSP: 0018:ffffc90000647080 EFLAGS: 00010246
[  111.513782][  T980] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  111.514284][  T980] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  111.514777][  T980] RBP: ffffc90000647168 R08: 0000000000000000 R09: 0000000000000000
[  111.515282][  T980] R10: ffffc90000647198 R11: ffffffff87ea8918 R12: 1ffff920000c8e14
[  111.515784][  T980] R13: 00000000000005dc R14: ffffc90000647198 R15: ffff88800b27af08
[  111.516308][  T980] FS:  00007f5edc21a800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  111.516897][  T980] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.517344][  T980] CR2: 00000000004a1738 CR3: 000000000217c006 CR4: 0000000000772ef0
[  111.517867][  T980] PKRU: 55555554
[  111.518148][  T980] Call Trace:
[  111.518399][  T980]  <TASK>
[ 111.518572][ T980] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.518909][ T980] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.519251][ T980] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.519684][ T980] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.520028][ T980] netif_set_mtu (net/core/dev.c:9652) 
[ 111.520371][ T980] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.520737][ T980] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.521227][ T980] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.521483][ T980] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.521935][ T980] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.522334][ T980] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.522668][ T980] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.523019][ T980] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.523365][ T980] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.523707][ T980] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.524058][ T980] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.524393][ T980] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.524743][ T980] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.525078][ T980] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.525424][ T980] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.525766][ T980] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.526112][ T980] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.526452][ T980] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.526773][ T980] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.527124][ T980] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.527460][ T980] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.527812][ T980] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.528153][ T980] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.528490][ T980] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.528829][ T980] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.529167][ T980] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.529536][ T980] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.529879][ 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) 
[ 111.530232][ T980] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.530566][ T980] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.530903][ T980] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.531233][ T980] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.531551][ T980] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.531870][ T980] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.532200][ T980] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.532532][ T980] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.532844][ T980] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.533246][ T980] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.533581][ T980] ___sys_sendmsg (net/socket.c:2670) 
[ 111.533898][ T980] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.534224][ T980] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.534544][ T980] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.534857][ T980] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.535183][ T980] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.535505][ T980] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.535817][ T980] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.536155][ T980] __sys_sendmsg (net/socket.c:2700) 
[ 111.536478][ T980] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.536790][ 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) 
[ 111.537122][ 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) 
[ 111.537445][ T980] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.537784][ T980] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.538118][ T980] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.538534][  T980] RIP: 0033:0x7f5edc3e71e7
[ 111.538878][ 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)
[  111.540099][  T980] RSP: 002b:00007ffe846dfa88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.540607][  T980] RAX: ffffffffffffffda RBX: 00007ffe846e01b0 RCX: 00007f5edc3e71e7
[  111.541115][  T980] RDX: 0000000000000000 RSI: 00007ffe846dfaf0 RDI: 0000000000000005
[  111.541621][  T980] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.542147][  T980] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe846e01e8
[  111.542669][  T980] R13: 00000000686e18c1 R14: 0000000000499600 R15: 0000000000000000
| [  111.717507][  T981] ------------[ cut here ]------------
| [ 111.717867][ 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) 
| [  111.718604][  T981] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.719864][  T981] Tainted: [W]=WARN
[  111.720145][  T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.720575][ 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) 
[ 111.720929][ T981] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  111.722122][  T981] RSP: 0018:ffffc90000657080 EFLAGS: 00010246
[  111.722537][  T981] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  111.723031][  T981] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  111.723526][  T981] RBP: ffffc90000657168 R08: 0000000000000000 R09: 0000000000000000
[  111.724016][  T981] R10: ffffc90000657198 R11: ffffffff87ea8918 R12: 1ffff920000cae14
[  111.724509][  T981] R13: 00000000000005dc R14: ffffc90000657198 R15: ffff88800b27af08
[  111.724993][  T981] FS:  00007fb8faae8800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  111.725564][  T981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.725980][  T981] CR2: 000055aaa427e110 CR3: 000000000b338002 CR4: 0000000000772ef0
[  111.726490][  T981] PKRU: 55555554
[  111.726750][  T981] Call Trace:
[  111.727004][  T981]  <TASK>
[ 111.727204][ T981] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.727549][ T981] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.727883][ T981] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.728306][ T981] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.728638][ T981] netif_set_mtu (net/core/dev.c:9652) 
[ 111.728971][ T981] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.729330][ T981] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.729795][ T981] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.730063][ T981] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.730514][ T981] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.730891][ T981] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.731231][ T981] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.731562][ T981] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.731897][ T981] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.732241][ T981] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.732574][ T981] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.732904][ T981] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.733247][ T981] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.733572][ T981] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.733910][ T981] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.734256][ T981] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.734592][ T981] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.734939][ T981] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.735274][ T981] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.735605][ T981] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.735942][ T981] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.736281][ T981] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.736612][ T981] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.736948][ T981] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.737289][ T981] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.737617][ T981] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.737958][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.738293][ 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) 
[ 111.738625][ T981] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.738958][ T981] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.739293][ T981] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.739671][ T981] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.740019][ T981] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.740365][ T981] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.740701][ T981] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.741037][ T981] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.741371][ T981] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.741783][ T981] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.742132][ T981] ___sys_sendmsg (net/socket.c:2670) 
[ 111.742463][ T981] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.742793][ T981] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.743140][ T981] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.743467][ T981] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.743802][ T981] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.744150][ T981] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.744479][ T981] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.744827][ T981] __sys_sendmsg (net/socket.c:2700) 
[ 111.745166][ T981] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.745490][ 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) 
[ 111.745829][ 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) 
[ 111.746166][ T981] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.746500][ T981] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.746831][ T981] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.747240][  T981] RIP: 0033:0x7fb8facb51e7
[ 111.747580][ 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)
[  111.748725][  T981] RSP: 002b:00007fff55dbc8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.749226][  T981] RAX: ffffffffffffffda RBX: 00007fff55dbcff0 RCX: 00007fb8facb51e7
[  111.749750][  T981] RDX: 0000000000000000 RSI: 00007fff55dbc930 RDI: 0000000000000005
[  111.750244][  T981] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.750727][  T981] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff55dbd028
[  111.751225][  T981] R13: 00000000686e18c1 R14: 0000000000499600 R15: 0000000000000000
| [  111.880630][  T983] ------------[ cut here ]------------
| [ 111.880959][ T983] WARNING: CPU: 0 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) 
| [  111.881682][  T983] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.883597][  T983] Tainted: [W]=WARN
[  111.883850][  T983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.884283][ 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) 
[ 111.884625][ T983] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  111.885808][  T983] RSP: 0018:ffffc90000667080 EFLAGS: 00010246
[  111.886231][  T983] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  111.886723][  T983] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  111.887223][  T983] RBP: ffffc90000667168 R08: 0000000000000000 R09: 0000000000000000
[  111.887714][  T983] R10: ffffc90000667198 R11: ffffffff87ea8918 R12: 1ffff920000cce14
[  111.888234][  T983] R13: 00000000000005dc R14: ffffc90000667198 R15: ffff88800b27af08
[  111.888734][  T983] FS:  00007f68e358f800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  111.889326][  T983] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.889742][  T983] CR2: 00000000004a1738 CR3: 000000000b338006 CR4: 0000000000772ef0
[  111.890247][  T983] PKRU: 55555554
[  111.890493][  T983] Call Trace:
[  111.890740][  T983]  <TASK>
[ 111.890911][ T983] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.891251][ T983] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.891584][ T983] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.891998][ T983] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.892338][ T983] netif_set_mtu (net/core/dev.c:9652) 
[ 111.892667][ T983] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.893012][ T983] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.893493][ T983] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.893742][ T983] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.894207][ T983] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.894587][ T983] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.894919][ T983] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.895265][ T983] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.895601][ T983] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.895932][ T983] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.896273][ T983] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.896607][ T983] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.896946][ T983] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.897285][ T983] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.897624][ T983] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.897977][ T983] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.898328][ T983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.898673][ T983] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.899011][ T983] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.899365][ T983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.899714][ T983] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.900058][ T983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.900397][ T983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.900734][ T983] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.901074][ T983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.901411][ T983] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.901768][ T983] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.902109][ 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) 
[ 111.902447][ T983] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.902789][ T983] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.903129][ T983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.903468][ T983] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.903808][ T983] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.904148][ T983] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.904489][ T983] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.904827][ T983] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.905166][ T983] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.905583][ T983] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.905930][ T983] ___sys_sendmsg (net/socket.c:2670) 
[ 111.906283][ T983] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.906625][ T983] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.906966][ T983] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.907311][ T983] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.907650][ T983] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.907982][ T983] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.908335][ T983] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.908681][ T983] __sys_sendmsg (net/socket.c:2700) 
[ 111.909012][ T983] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.909344][ 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) 
[ 111.909671][ 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) 
[ 111.909992][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.910319][ T983] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.910639][ T983] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.911032][  T983] RIP: 0033:0x7f68e375c1e7
[ 111.911365][ 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)
[  111.912497][  T983] RSP: 002b:00007ffc0a2d4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.912989][  T983] RAX: ffffffffffffffda RBX: 00007ffc0a2d53a0 RCX: 00007f68e375c1e7
[  111.913469][  T983] RDX: 0000000000000000 RSI: 00007ffc0a2d4ce0 RDI: 0000000000000005
[  111.913957][  T983] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.914464][  T983] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc0a2d53d8
[  111.914959][  T983] R13: 00000000686e18c1 R14: 0000000000499600 R15: 0000000000000000
| [  112.042590][  T985] ------------[ cut here ]------------
| [ 112.042908][ T985] WARNING: CPU: 3 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) 
| [  112.043597][  T985] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.044736][  T985] Tainted: [W]=WARN
[  112.044986][  T985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.045389][ 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) 
[ 112.045720][ T985] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  112.046846][  T985] RSP: 0000:ffffc90000627080 EFLAGS: 00010246
[  112.047263][  T985] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  112.047746][  T985] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  112.048229][  T985] RBP: ffffc90000627168 R08: 0000000000000000 R09: 0000000000000000
[  112.048701][  T985] R10: ffffc90000627198 R11: ffffffff87ea8918 R12: 1ffff920000c4e14
[  112.049188][  T985] R13: 00000000000005dc R14: ffffc90000627198 R15: ffff88800b27af08
[  112.049667][  T985] FS:  00007f2fc3e9d800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  112.050227][  T985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.050625][  T985] CR2: 00007fb4a9edec94 CR3: 000000000be8c003 CR4: 0000000000772ef0
[  112.051107][  T985] PKRU: 55555554
[  112.051350][  T985] Call Trace:
[  112.051607][  T985]  <TASK>
[ 112.051770][ T985] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.052103][ T985] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.052421][ T985] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.052819][ T985] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.053145][ T985] netif_set_mtu (net/core/dev.c:9652) 
[ 112.053461][ T985] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.053791][ T985] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.054247][ T985] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.054486][ T985] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.054917][ T985] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.055291][ T985] do_set_master (net/core/rtnetlink.c:2948) 
[ 112.055610][ T985] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.055930][ T985] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.056280][ T985] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.056597][ T985] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.056914][ T985] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.057237][ T985] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.057561][ T985] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.057871][ T985] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.058211][ T985] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.058535][ T985] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.058861][ T985] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.059197][ T985] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.059525][ T985] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.059843][ T985] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.060167][ T985] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.060482][ T985] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.060806][ T985] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.061135][ T985] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.061450][ T985] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.061767][ T985] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.062101][ T985] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.062420][ 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) 
[ 112.062736][ T985] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.063065][ T985] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.063389][ T985] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.063717][ T985] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.064038][ T985] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.064362][ T985] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.064688][ T985] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.065013][ T985] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.065335][ T985] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.065732][ T985] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.066059][ T985] ___sys_sendmsg (net/socket.c:2670) 
[ 112.066378][ T985] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.066690][ T985] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.067012][ T985] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.067332][ T985] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.067651][ T985] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.067964][ T985] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.068285][ T985] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.068618][ T985] __sys_sendmsg (net/socket.c:2700) 
[ 112.068939][ T985] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.069272][ 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) 
[ 112.069601][ 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) 
[ 112.069919][ T985] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.070245][ T985] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.070562][ T985] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.070952][  T985] RIP: 0033:0x7f2fc406a1e7
[ 112.071286][ 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)
[  112.072422][  T985] RSP: 002b:00007fff5ddf4fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.072901][  T985] RAX: ffffffffffffffda RBX: 00007fff5ddf56f0 RCX: 00007f2fc406a1e7
[  112.073386][  T985] RDX: 0000000000000000 RSI: 00007fff5ddf5030 RDI: 0000000000000005
[  112.073875][  T985] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.074378][  T985] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff5ddf5728
[  112.074878][  T985] R13: 00000000686e18c1 R14: 0000000000499600 R15: 0000000000000000
| [  112.235439][  T987] ------------[ cut here ]------------
| [ 112.235769][ 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) 
| [  112.236485][  T987] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.237656][  T987] Tainted: [W]=WARN
[  112.237909][  T987] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.238325][ 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) 
[ 112.238666][ T987] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  112.239844][  T987] RSP: 0000:ffffc90000627080 EFLAGS: 00010246
[  112.240262][  T987] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  112.240749][  T987] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  112.241243][  T987] RBP: ffffc90000627168 R08: 0000000000000000 R09: 0000000000000000
[  112.241734][  T987] R10: ffffc90000627198 R11: ffffffff87ea8918 R12: 1ffff920000c4e14
[  112.242224][  T987] R13: 00000000000005dc R14: ffffc90000627198 R15: ffff88800b27af08
[  112.242707][  T987] FS:  00007fd636a1a800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  112.243274][  T987] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.243681][  T987] CR2: 00007fb4a9e555a0 CR3: 0000000002ab0002 CR4: 0000000000772ef0
[  112.244171][  T987] PKRU: 55555554
[  112.244419][  T987] Call Trace:
[  112.244671][  T987]  <TASK>
[ 112.244846][ T987] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.245198][ T987] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.245526][ T987] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.245940][ T987] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.246277][ T987] netif_set_mtu (net/core/dev.c:9652) 
[ 112.246620][ T987] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.246968][ T987] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.247445][ T987] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.247697][ T987] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.248153][ T987] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.248527][ T987] do_set_master (net/core/rtnetlink.c:2948) 
[ 112.248857][ T987] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.249197][ T987] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.249537][ T987] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.249859][ T987] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.250198][ T987] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.250526][ T987] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.250858][ T987] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.251190][ T987] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.251529][ T987] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.251869][ T987] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.252211][ T987] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.252551][ T987] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.252878][ T987] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.253215][ T987] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.253545][ T987] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.253874][ T987] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.254215][ T987] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.254549][ T987] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.254877][ T987] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.255219][ T987] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.255571][ T987] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.255901][ 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) 
[ 112.256245][ T987] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.256579][ T987] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.256906][ T987] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.257257][ T987] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.257598][ T987] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.257931][ T987] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.258283][ T987] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.258621][ T987] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.258956][ T987] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.259398][ T987] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.259738][ T987] ___sys_sendmsg (net/socket.c:2670) 
[ 112.260086][ T987] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.260417][ T987] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.260758][ T987] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.261095][ T987] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.261430][ T987] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.261757][ T987] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.262100][ T987] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.262439][ T987] __sys_sendmsg (net/socket.c:2700) 
[ 112.262772][ T987] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.263342][ 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) 
[ 112.263683][ 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) 
[ 112.264012][ T987] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.264352][ T987] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.264686][ T987] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.265097][  T987] RIP: 0033:0x7fd636be71e7
[ 112.265440][ 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)
[  112.266579][  T987] RSP: 002b:00007ffd469d2678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.267081][  T987] RAX: ffffffffffffffda RBX: 00007ffd469d2da0 RCX: 00007fd636be71e7
[  112.267806][  T987] RDX: 0000000000000000 RSI: 00007ffd469d26e0 RDI: 0000000000000005
[  112.268311][  T987] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.268794][  T987] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd469d2dd8
[  112.269282][  T987] R13: 00000000686e18c2 R14: 0000000000499600 R15: 0000000000000000
| [  112.421810][  T989] ------------[ cut here ]------------
| [ 112.422222][ T989] WARNING: CPU: 3 PID: 989 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) 
| [  112.422865][  T989] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.424009][  T989] Tainted: [W]=WARN
[  112.424273][  T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.424683][ T989] 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) 
[ 112.425015][ T989] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  112.426163][  T989] RSP: 0018:ffffc90000667080 EFLAGS: 00010246
[  112.426567][  T989] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  112.427036][  T989] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  112.427511][  T989] RBP: ffffc90000667168 R08: 0000000000000000 R09: 0000000000000000
[  112.427977][  T989] R10: ffffc90000667198 R11: ffffffff87ea8918 R12: 1ffff920000cce14
[  112.428477][  T989] R13: 00000000000005dc R14: ffffc90000667198 R15: ffff88800b27af08
[  112.428960][  T989] FS:  00007f70cbd70800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  112.429579][  T989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.429981][  T989] CR2: 00000000004a1738 CR3: 000000000ba99005 CR4: 0000000000772ef0
[  112.430495][  T989] PKRU: 55555554
[  112.430735][  T989] Call Trace:
[  112.430985][  T989]  <TASK>
[ 112.431155][ T989] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.431501][ T989] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.431838][ T989] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.432249][ T989] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.432598][ T989] netif_set_mtu (net/core/dev.c:9652) 
[ 112.433113][ T989] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.433663][ T989] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.434423][ T989] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.434851][ T989] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.435641][ T989] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.436307][ T989] do_set_master (net/core/rtnetlink.c:2948) 
[ 112.436880][ T989] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.437462][ T989] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.438035][ T989] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.438606][ T989] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.439179][ T989] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.439755][ T989] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.440322][ T989] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.440816][ T989] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.441374][ T989] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.441946][ T989] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.442538][ T989] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.443131][ T989] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.443690][ T989] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.444280][ T989] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.444843][ T989] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.445425][ T989] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.446001][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.446587][ T989] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.447163][ T989] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.447687][ T989] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.448094][ T989] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.448416][ T989] ? 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) 
[ 112.448731][ T989] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.449076][ T989] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.449494][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.449818][ T989] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.450162][ T989] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.450485][ T989] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.450806][ T989] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.451149][ T989] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.451469][ T989] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.451868][ T989] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.452212][ T989] ___sys_sendmsg (net/socket.c:2670) 
[ 112.452530][ T989] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.452849][ T989] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.453188][ T989] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.453500][ T989] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.453819][ T989] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.454155][ T989] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.454466][ T989] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.454917][ T989] __sys_sendmsg (net/socket.c:2700) 
[ 112.455493][ T989] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.455974][ T989] ? 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) 
[ 112.456477][ T989] ? 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) 
[ 112.457008][ T989] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.457593][ T989] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.458169][ T989] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.458857][  T989] RIP: 0033:0x7f70cbf3d1e7
[ 112.459452][ T989] 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)
[  112.461441][  T989] RSP: 002b:00007ffe9c086318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.462314][  T989] RAX: ffffffffffffffda RBX: 00007ffe9c086a40 RCX: 00007f70cbf3d1e7
[  112.463170][  T989] RDX: 0000000000000000 RSI: 00007ffe9c086380 RDI: 0000000000000005
[  112.464018][  T989] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.464885][  T989] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9c086a78
[  112.465747][  T989] R13: 00000000686e18c2 R14: 0000000000499600 R15: 0000000000000000
| [  112.608672][  T991] ------------[ cut here ]------------
| [ 112.609001][ T991] WARNING: CPU: 3 PID: 991 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) 
| [  112.609741][  T991] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.610892][  T991] Tainted: [W]=WARN
[  112.611152][  T991] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.611557][ T991] 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) 
[ 112.611882][ T991] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  112.613032][  T991] RSP: 0018:ffffc90000667080 EFLAGS: 00010246
[  112.613435][  T991] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  112.613940][  T991] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  112.614423][  T991] RBP: ffffc90000667168 R08: 0000000000000000 R09: 0000000000000000
[  112.614913][  T991] R10: ffffc90000667198 R11: ffffffff87ea8918 R12: 1ffff920000cce14
[  112.615391][  T991] R13: 00000000000005dc R14: ffffc90000667198 R15: ffff88800b27af08
[  112.615869][  T991] FS:  00007f081e02c800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  112.616426][  T991] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.616831][  T991] CR2: 00000000004a1738 CR3: 0000000004f22004 CR4: 0000000000772ef0
[  112.617315][  T991] PKRU: 55555554
[  112.617550][  T991] Call Trace:
[  112.617806][  T991]  <TASK>
[ 112.617973][ T991] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.618313][ T991] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.618642][ T991] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.619062][ T991] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.619403][ T991] netif_set_mtu (net/core/dev.c:9652) 
[ 112.619762][ T991] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.620123][ T991] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.620582][ T991] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.620850][ T991] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.621303][ T991] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.621683][ T991] do_set_master (net/core/rtnetlink.c:2948) 
[ 112.622025][ T991] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.622371][ T991] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.622714][ T991] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.623065][ T991] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.623408][ T991] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.623752][ T991] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.624106][ T991] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.624435][ T991] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.624779][ T991] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.625137][ T991] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.625487][ T991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.625860][ T991] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.626206][ T991] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.626548][ T991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.626880][ T991] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.627211][ T991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.627526][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.627870][ T991] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.628206][ T991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.628530][ T991] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.628860][ T991] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.629215][ T991] ? 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) 
[ 112.629553][ T991] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.629880][ T991] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.630219][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.630540][ T991] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.630864][ T991] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.631209][ T991] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.631548][ T991] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.631873][ T991] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.632229][ T991] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.632632][ T991] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.632953][ T991] ___sys_sendmsg (net/socket.c:2670) 
[ 112.633299][ T991] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.633623][ T991] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.633943][ T991] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.634279][ T991] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.634603][ T991] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.634921][ T991] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.635259][ T991] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.635595][ T991] __sys_sendmsg (net/socket.c:2700) 
[ 112.635909][ T991] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.636247][ T991] ? 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) 
[ 112.636571][ T991] ? 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) 
[ 112.636893][ T991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.637242][ T991] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.637559][ T991] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.637959][  T991] RIP: 0033:0x7f081e1f91e7
[ 112.638325][ T991] 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)
[  112.639485][  T991] RSP: 002b:00007ffd99cd9668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.639971][  T991] RAX: ffffffffffffffda RBX: 00007ffd99cd9d90 RCX: 00007f081e1f91e7
[  112.640465][  T991] RDX: 0000000000000000 RSI: 00007ffd99cd96d0 RDI: 0000000000000005
[  112.640939][  T991] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.641442][  T991] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd99cd9dc8
[  112.641923][  T991] R13: 00000000686e18c2 R14: 0000000000499600 R15: 0000000000000000
| [  112.801871][  T993] ------------[ cut here ]------------
| [ 112.802315][ T993] WARNING: CPU: 2 PID: 993 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) 
| [  112.803014][  T993] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.804224][  T993] Tainted: [W]=WARN
[  112.804485][  T993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.804920][ T993] 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) 
[ 112.805297][ T993] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  112.806479][  T993] RSP: 0018:ffffc90000667080 EFLAGS: 00010246
[  112.806903][  T993] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  112.807413][  T993] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  112.807936][  T993] RBP: ffffc90000667168 R08: 0000000000000000 R09: 0000000000000000
[  112.808452][  T993] R10: ffffc90000667198 R11: ffffffff87ea8918 R12: 1ffff920000cce14
[  112.808952][  T993] R13: 00000000000005dc R14: ffffc90000667198 R15: ffff88800b27af08
[  112.809501][  T993] FS:  00007fb2a4917800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  112.810143][  T993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.810575][  T993] CR2: 00007fb4a9d77840 CR3: 0000000005ed5001 CR4: 0000000000772ef0
[  112.811098][  T993] PKRU: 55555554
[  112.811359][  T993] Call Trace:
[  112.811624][  T993]  <TASK>
[ 112.811809][ T993] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.812181][ T993] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.812534][ T993] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.812981][ T993] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.813352][ T993] netif_set_mtu (net/core/dev.c:9652) 
[ 112.813724][ T993] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.814096][ T993] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.814604][ T993] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.814866][ T993] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.815331][ T993] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.815747][ T993] do_set_master (net/core/rtnetlink.c:2948) 
[ 112.816124][ T993] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.816503][ T993] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.816862][ T993] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.817235][ T993] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.817598][ T993] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.817971][ T993] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.818339][ T993] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.818692][ T993] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.819062][ T993] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.819443][ T993] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.819806][ T993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.820171][ T993] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.820510][ T993] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.820858][ T993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.821245][ T993] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.821617][ T993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.821995][ T993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.822374][ T993] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.822749][ T993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.823133][ T993] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.823520][ T993] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.823893][ T993] ? 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) 
[ 112.824274][ T993] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.824645][ T993] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.825006][ T993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.825395][ T993] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.825771][ T993] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.826140][ T993] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.826524][ T993] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.826890][ T993] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.827251][ T993] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.827682][ T993] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.828041][ T993] ___sys_sendmsg (net/socket.c:2670) 
[ 112.828405][ T993] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.828772][ T993] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.829168][ T993] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.829544][ T993] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.830014][ T993] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.830391][ T993] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.830765][ T993] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.831193][ T993] __sys_sendmsg (net/socket.c:2700) 
[ 112.831558][ T993] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.831934][ T993] ? 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) 
[ 112.832317][ T993] ? 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) 
[ 112.832697][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.833081][ T993] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.833445][ T993] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.833884][  T993] RIP: 0033:0x7fb2a4ae41e7
[ 112.834291][ T993] 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)
[  112.835557][  T993] RSP: 002b:00007fff76793228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.836079][  T993] RAX: ffffffffffffffda RBX: 00007fff76793950 RCX: 00007fb2a4ae41e7
[  112.836659][  T993] RDX: 0000000000000000 RSI: 00007fff76793290 RDI: 0000000000000005
[  112.837210][  T993] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.837761][  T993] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff76793988
[  112.838308][  T993] R13: 00000000686e18c2 R14: 0000000000499600 R15: 0000000000000000
| [  113.042988][  T995] ------------[ cut here ]------------
| [ 113.043400][ T995] WARNING: CPU: 0 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) 
| [  113.044058][  T995] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.045576][  T995] Tainted: [W]=WARN
[  113.045817][  T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.046221][ 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) 
[ 113.046547][ T995] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  113.047674][  T995] RSP: 0018:ffffc900006b7080 EFLAGS: 00010246
[  113.048079][  T995] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  113.048553][  T995] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  113.049034][  T995] RBP: ffffc900006b7168 R08: 0000000000000000 R09: 0000000000000000
[  113.049534][  T995] R10: ffffc900006b7198 R11: ffffffff87ea8918 R12: 1ffff920000d6e14
[  113.050005][  T995] R13: 00000000000005dc R14: ffffc900006b7198 R15: ffff88800b27af08
[  113.050485][  T995] FS:  00007fafca442800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  113.051029][  T995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.051434][  T995] CR2: 00000000004a1738 CR3: 000000000ba7c001 CR4: 0000000000772ef0
[  113.051908][  T995] PKRU: 55555554
[  113.052154][  T995] Call Trace:
[  113.052388][  T995]  <TASK>
[ 113.052553][ T995] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.052874][ T995] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.053202][ T995] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.053595][ T995] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.053911][ T995] netif_set_mtu (net/core/dev.c:9652) 
[ 113.054238][ T995] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.054564][ T995] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.055008][ T995] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.055257][ T995] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.055688][ T995] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.056057][ T995] do_set_master (net/core/rtnetlink.c:2948) 
[ 113.056374][ T995] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.056695][ T995] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.057016][ T995] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.057337][ T995] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.057653][ T995] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.057971][ T995] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.058299][ T995] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.058615][ T995] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.058932][ T995] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.059268][ T995] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.059600][ T995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.059927][ T995] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.060255][ T995] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.060572][ T995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.060887][ T995] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.061212][ T995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.061532][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.061853][ T995] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.062180][ T995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.062506][ T995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.062840][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.063181][ 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) 
[ 113.063506][ T995] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.063827][ T995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.064156][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.064478][ T995] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.064800][ T995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.065132][ T995] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.065461][ T995] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.065780][ T995] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.066106][ T995] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.066503][ T995] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.066826][ T995] ___sys_sendmsg (net/socket.c:2670) 
[ 113.067151][ T995] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.067470][ T995] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.067790][ T995] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.068111][ T995] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.068430][ T995] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.068745][ T995] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.069068][ T995] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.069414][ T995] __sys_sendmsg (net/socket.c:2700) 
[ 113.069737][ T995] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.070059][ 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) 
[ 113.070383][ 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) 
[ 113.070699][ T995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.071025][ T995] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.071348][ T995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.071741][  T995] RIP: 0033:0x7fafca60f1e7
[ 113.072083][ 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)
[  113.073213][  T995] RSP: 002b:00007ffe1fc29058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.073700][  T995] RAX: ffffffffffffffda RBX: 00007ffe1fc29780 RCX: 00007fafca60f1e7
[  113.074184][  T995] RDX: 0000000000000000 RSI: 00007ffe1fc290c0 RDI: 0000000000000005
[  113.074651][  T995] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.075128][  T995] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe1fc297b8
[  113.075600][  T995] R13: 00000000686e18c2 R14: 0000000000499600 R15: 0000000000000000
| [  113.220044][  T997] ------------[ cut here ]------------
| [ 113.220519][ T997] WARNING: CPU: 2 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) 
| [  113.221216][  T997] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.222518][  T997] Tainted: [W]=WARN
[  113.222791][  T997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.223252][ 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) 
[ 113.223615][ T997] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  113.224850][  T997] RSP: 0018:ffffc900006f7080 EFLAGS: 00010246
[  113.225304][  T997] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  113.225833][  T997] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  113.226381][  T997] RBP: ffffc900006f7168 R08: 0000000000000000 R09: 0000000000000000
[  113.226898][  T997] R10: ffffc900006f7198 R11: ffffffff87ea8918 R12: 1ffff920000dee14
[  113.227436][  T997] R13: 00000000000005dc R14: ffffc900006f7198 R15: ffff88800b27af08
[  113.227942][  T997] FS:  00007f23829be800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  113.228560][  T997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.228998][  T997] CR2: 00000000004a1738 CR3: 000000000ba7c006 CR4: 0000000000772ef0
[  113.229547][  T997] PKRU: 55555554
[  113.229831][  T997] Call Trace:
[  113.230106][  T997]  <TASK>
[ 113.230307][ T997] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.230667][ T997] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.231028][ T997] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.231480][ T997] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.231849][ T997] netif_set_mtu (net/core/dev.c:9652) 
[ 113.232224][ T997] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.232600][ T997] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.233085][ T997] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.233344][ T997] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.233811][ T997] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.234206][ T997] do_set_master (net/core/rtnetlink.c:2948) 
[ 113.234541][ T997] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.234879][ T997] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.235262][ T997] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.235601][ T997] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.235959][ T997] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.236325][ T997] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.236677][ T997] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.237017][ T997] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.237398][ T997] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.237780][ T997] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.238144][ T997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.238509][ T997] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.238855][ T997] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.239221][ T997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.239569][ T997] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.239908][ T997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.240268][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.240606][ T997] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.240950][ T997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.241341][ T997] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.241697][ T997] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.242063][ 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) 
[ 113.242416][ T997] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.242768][ T997] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.243128][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.243471][ T997] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.243802][ T997] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.244147][ T997] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.244499][ T997] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.244836][ T997] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.245188][ T997] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.245599][ T997] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.245947][ T997] ___sys_sendmsg (net/socket.c:2670) 
[ 113.246310][ T997] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.246655][ T997] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.247009][ T997] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.247354][ T997] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.247717][ T997] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.248058][ T997] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.248403][ T997] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.248765][ T997] __sys_sendmsg (net/socket.c:2700) 
[ 113.249119][ T997] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.249480][ 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) 
[ 113.249818][ 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) 
[ 113.250186][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.250530][ T997] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.250880][ T997] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.251310][  T997] RIP: 0033:0x7f2382b8b1e7
[ 113.251649][ 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)
[  113.252831][  T997] RSP: 002b:00007ffef8b05c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.253345][  T997] RAX: ffffffffffffffda RBX: 00007ffef8b06390 RCX: 00007f2382b8b1e7
[  113.253855][  T997] RDX: 0000000000000000 RSI: 00007ffef8b05cd0 RDI: 0000000000000005
[  113.254362][  T997] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.254863][  T997] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef8b063c8
[  113.255386][  T997] R13: 00000000686e18c2 R14: 0000000000499600 R15: 0000000000000000
| [  113.434670][  T999] ------------[ cut here ]------------
| [ 113.435016][ T999] WARNING: CPU: 2 PID: 999 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) 
| [  113.435782][  T999] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.437000][  T999] Tainted: [W]=WARN
[  113.437274][  T999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.437714][ T999] 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) 
[ 113.438079][ T999] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  113.439274][  T999] RSP: 0018:ffffc90000667080 EFLAGS: 00010246
[  113.439731][  T999] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  113.440251][  T999] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  113.440765][  T999] RBP: ffffc90000667168 R08: 0000000000000000 R09: 0000000000000000
[  113.441288][  T999] R10: ffffc90000667198 R11: ffffffff87ea8918 R12: 1ffff920000cce14
[  113.441799][  T999] R13: 00000000000005dc R14: ffffc90000667198 R15: ffff88800b27af08
[  113.442335][  T999] FS:  00007fed429d5800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  113.442929][  T999] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.443372][  T999] CR2: 00000000004a1738 CR3: 000000000ba7c005 CR4: 0000000000772ef0
[  113.443892][  T999] PKRU: 55555554
[  113.444163][  T999] Call Trace:
[  113.444429][  T999]  <TASK>
[ 113.444622][ T999] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.444978][ T999] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.445334][ T999] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.445763][ T999] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.446129][ T999] netif_set_mtu (net/core/dev.c:9652) 
[ 113.446482][ T999] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.446849][ T999] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.447337][ T999] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.447618][ T999] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.448098][ T999] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.448481][ T999] do_set_master (net/core/rtnetlink.c:2948) 
[ 113.448811][ T999] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.449156][ T999] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.449506][ T999] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.449833][ T999] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.450185][ T999] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.450526][ T999] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.450859][ T999] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.451194][ T999] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.451529][ T999] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.451881][ T999] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.452222][ T999] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.452564][ T999] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.452887][ T999] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.453228][ T999] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.453558][ T999] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.453911][ T999] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.454266][ T999] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.454618][ T999] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.454960][ T999] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.455317][ T999] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.455665][ T999] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.455992][ T999] ? 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) 
[ 113.456332][ T999] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.456667][ T999] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.456992][ T999] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.457334][ T999] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.457665][ T999] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.457992][ T999] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.458338][ T999] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.458674][ T999] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.458999][ T999] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.459442][ T999] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.459777][ T999] ___sys_sendmsg (net/socket.c:2670) 
[ 113.460115][ T999] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.460450][ T999] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.460799][ T999] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.461137][ T999] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.461473][ T999] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.461800][ T999] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.462134][ T999] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.462482][ T999] __sys_sendmsg (net/socket.c:2700) 
[ 113.462813][ T999] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.463150][ T999] ? 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) 
[ 113.463501][ T999] ? 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) 
[ 113.463850][ T999] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.464214][ T999] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.464575][ T999] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.464998][  T999] RIP: 0033:0x7fed42ba21e7
[ 113.465364][ T999] 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)
[  113.466576][  T999] RSP: 002b:00007ffd59260f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.467081][  T999] RAX: ffffffffffffffda RBX: 00007ffd59261640 RCX: 00007fed42ba21e7
[  113.467577][  T999] RDX: 0000000000000000 RSI: 00007ffd59260f80 RDI: 0000000000000005
[  113.468077][  T999] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.468570][  T999] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd59261678
[  113.469084][  T999] R13: 00000000686e18c3 R14: 0000000000499600 R15: 0000000000000000
| [  113.866183][ T1005] ------------[ cut here ]------------
| [ 113.866563][ T1005] WARNING: CPU: 2 PID: 1005 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) 
| [  113.867260][ T1005] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.868486][ T1005] Tainted: [W]=WARN
[  113.868757][ T1005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.869228][ T1005] 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) 
[ 113.869625][ T1005] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  113.870843][ T1005] RSP: 0018:ffffc90000707080 EFLAGS: 00010246
[  113.871289][ T1005] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  113.871772][ T1005] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  113.872283][ T1005] RBP: ffffc90000707168 R08: 0000000000000000 R09: 0000000000000000
[  113.872790][ T1005] R10: ffffc90000707198 R11: ffffffff87ea8918 R12: 1ffff920000e0e14
[  113.873284][ T1005] R13: 00000000000005dc R14: ffffc90000707198 R15: ffff88800fcaaf08
[  113.873797][ T1005] FS:  00007fb8ccf04800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  113.874389][ T1005] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.874809][ T1005] CR2: 00000000004a1738 CR3: 000000000a7b0001 CR4: 0000000000772ef0
[  113.875304][ T1005] PKRU: 55555554
[  113.875554][ T1005] Call Trace:
[  113.875802][ T1005]  <TASK>
[ 113.875991][ T1005] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.876340][ T1005] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.876674][ T1005] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.877121][ T1005] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.877460][ T1005] netif_set_mtu (net/core/dev.c:9652) 
[ 113.877803][ T1005] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.878170][ T1005] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.878652][ T1005] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.878918][ T1005] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.879422][ T1005] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.879824][ T1005] do_set_master (net/core/rtnetlink.c:2948) 
[ 113.880181][ T1005] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.880532][ T1005] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.880892][ T1005] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.881257][ T1005] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.881609][ T1005] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.881963][ T1005] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.882341][ T1005] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.882720][ T1005] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.883088][ T1005] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.883463][ T1005] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.883830][ T1005] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.884218][ T1005] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.884568][ T1005] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.884929][ T1005] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.885302][ T1005] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.885668][ T1005] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.886030][ T1005] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.886407][ T1005] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.886759][ T1005] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.887120][ T1005] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.887481][ T1005] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.887828][ T1005] ? 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) 
[ 113.888185][ T1005] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.888535][ T1005] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.888885][ T1005] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.889244][ T1005] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.889616][ T1005] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.889965][ T1005] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.890333][ T1005] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.890682][ T1005] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.891035][ T1005] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.891473][ T1005] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.891837][ T1005] ___sys_sendmsg (net/socket.c:2670) 
[ 113.892211][ T1005] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.892565][ T1005] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.892914][ T1005] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.893272][ T1005] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.893627][ T1005] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.893993][ T1005] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.894346][ T1005] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.894725][ T1005] __sys_sendmsg (net/socket.c:2700) 
[ 113.895094][ T1005] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.895445][ T1005] ? 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) 
[ 113.895818][ T1005] ? 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) 
[ 113.896184][ T1005] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.896550][ T1005] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.896899][ T1005] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.897334][ T1005] RIP: 0033:0x7fb8cd0d11e7
[ 113.897695][ T1005] 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)
[  113.898949][ T1005] RSP: 002b:00007ffe05f23cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.899490][ T1005] RAX: ffffffffffffffda RBX: 00007ffe05f24400 RCX: 00007fb8cd0d11e7
[  113.900006][ T1005] RDX: 0000000000000000 RSI: 00007ffe05f23d40 RDI: 0000000000000005
[  113.900527][ T1005] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.901078][ T1005] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe05f24438
[  113.901593][ T1005] R13: 00000000686e18c3 R14: 0000000000499600 R15: 0000000000000000
| [  114.055335][ T1007] ------------[ cut here ]------------
| [ 114.055688][ T1007] WARNING: CPU: 2 PID: 1007 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) 
| [  114.056370][ T1007] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.057601][ T1007] Tainted: [W]=WARN
[  114.057872][ T1007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.058314][ T1007] 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) 
[ 114.058677][ T1007] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  114.059909][ T1007] RSP: 0018:ffffc90000697080 EFLAGS: 00010246
[  114.060350][ T1007] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  114.060860][ T1007] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  114.061382][ T1007] RBP: ffffc90000697168 R08: 0000000000000000 R09: 0000000000000000
[  114.061903][ T1007] R10: ffffc90000697198 R11: ffffffff87ea8918 R12: 1ffff920000d2e14
[  114.062442][ T1007] R13: 00000000000005dc R14: ffffc90000697198 R15: ffff88800fcaaf08
[  114.062962][ T1007] FS:  00007fea6ec73800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  114.063553][ T1007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.063984][ T1007] CR2: 00000000004a1738 CR3: 00000000050a7004 CR4: 0000000000772ef0
[  114.064521][ T1007] PKRU: 55555554
[  114.064791][ T1007] Call Trace:
[  114.065078][ T1007]  <TASK>
[ 114.065265][ T1007] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.065618][ T1007] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.065971][ T1007] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.066414][ T1007] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.066764][ T1007] netif_set_mtu (net/core/dev.c:9652) 
[ 114.067120][ T1007] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.067482][ T1007] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.067972][ T1007] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.068250][ T1007] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.068719][ T1007] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.069123][ T1007] do_set_master (net/core/rtnetlink.c:2948) 
[ 114.069487][ T1007] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.069842][ T1007] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.070200][ T1007] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.070545][ T1007] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.070891][ T1007] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.071247][ T1007] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.071601][ T1007] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.071948][ T1007] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.072314][ T1007] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.072674][ T1007] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.073027][ T1007] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.073397][ T1007] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.073741][ T1007] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.074097][ T1007] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.074443][ T1007] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.074793][ T1007] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.075173][ T1007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.075528][ T1007] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.075875][ T1007] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.076233][ T1007] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.076593][ T1007] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.076942][ T1007] ? 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) 
[ 114.077309][ T1007] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.077676][ T1007] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.078024][ T1007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.078390][ T1007] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.078742][ T1007] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.079103][ T1007] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.079478][ T1007] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.079826][ T1007] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.080175][ T1007] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.080606][ T1007] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.080959][ T1007] ___sys_sendmsg (net/socket.c:2670) 
[ 114.081318][ T1007] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.081663][ T1007] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.082010][ T1007] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.082361][ T1007] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.082706][ T1007] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.083056][ T1007] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.083396][ T1007] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.083756][ T1007] __sys_sendmsg (net/socket.c:2700) 
[ 114.084107][ T1007] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.084456][ T1007] ? 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) 
[ 114.084804][ T1007] ? 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) 
[ 114.085158][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.085503][ T1007] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.085848][ T1007] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.086274][ T1007] RIP: 0033:0x7fea6ee401e7
[ 114.086666][ T1007] 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)
[  114.087878][ T1007] RSP: 002b:00007ffc9cd723d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.088423][ T1007] RAX: ffffffffffffffda RBX: 00007ffc9cd72b00 RCX: 00007fea6ee401e7
[  114.088952][ T1007] RDX: 0000000000000000 RSI: 00007ffc9cd72440 RDI: 0000000000000005
[  114.089508][ T1007] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.090045][ T1007] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9cd72b38
[  114.090562][ T1007] R13: 00000000686e18c3 R14: 0000000000499600 R15: 0000000000000000
| [  114.273713][ T1009] ------------[ cut here ]------------
| [ 114.274028][ T1009] WARNING: CPU: 1 PID: 1009 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) 
| [  114.274698][ T1009] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.276381][ T1009] Tainted: [W]=WARN
[  114.276649][ T1009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.277038][ T1009] 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) 
[ 114.277381][ T1009] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  114.278547][ T1009] RSP: 0018:ffffc900005a7080 EFLAGS: 00010246
[  114.278943][ T1009] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  114.279449][ T1009] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  114.280086][ T1009] RBP: ffffc900005a7168 R08: 0000000000000000 R09: 0000000000000000
[  114.280553][ T1009] R10: ffffc900005a7198 R11: ffffffff87ea8918 R12: 1ffff920000b4e14
[  114.281016][ T1009] R13: 00000000000005dc R14: ffffc900005a7198 R15: ffff88800fcaaf08
[  114.281500][ T1009] FS:  00007f27db81e800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  114.282061][ T1009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.282457][ T1009] CR2: 00000000004a1738 CR3: 000000000bc9b001 CR4: 0000000000772ef0
[  114.282925][ T1009] PKRU: 55555554
[  114.283164][ T1009] Call Trace:
[  114.283399][ T1009]  <TASK>
[ 114.283561][ T1009] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.283880][ T1009] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.284238][ T1009] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.284651][ T1009] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.284976][ T1009] netif_set_mtu (net/core/dev.c:9652) 
[ 114.285305][ T1009] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.285630][ T1009] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.286080][ T1009] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.286320][ T1009] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.286748][ T1009] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.287151][ T1009] do_set_master (net/core/rtnetlink.c:2948) 
[ 114.287497][ T1009] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.287813][ T1009] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.288171][ T1009] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.288486][ T1009] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.288799][ T1009] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.289124][ T1009] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.289467][ T1009] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.289807][ T1009] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.290137][ T1009] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.290463][ T1009] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.290782][ T1009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.291145][ T1009] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.291453][ T1009] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.291770][ T1009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.292128][ T1009] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.292443][ T1009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.292791][ T1009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.293121][ T1009] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.293433][ T1009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.293772][ T1009] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.294108][ T1009] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.294423][ T1009] ? 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) 
[ 114.294762][ T1009] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.295088][ T1009] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.295401][ T1009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.295751][ T1009] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.296113][ T1009] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.296429][ T1009] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.296750][ T1009] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.297075][ T1009] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.297403][ T1009] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.297795][ T1009] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.298122][ T1009] ___sys_sendmsg (net/socket.c:2670) 
[ 114.298440][ T1009] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.298767][ T1009] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.299096][ T1009] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.299422][ T1009] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.299758][ T1009] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.300115][ T1009] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.300431][ T1009] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.300765][ T1009] __sys_sendmsg (net/socket.c:2700) 
[ 114.301091][ T1009] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.301439][ T1009] ? 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) 
[ 114.301763][ T1009] ? 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) 
[ 114.302103][ T1009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.302425][ T1009] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.302743][ T1009] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.303152][ T1009] RIP: 0033:0x7f27db9eb1e7
[ 114.303493][ T1009] 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)
[  114.304659][ T1009] RSP: 002b:00007ffe7fbfe838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.305171][ T1009] RAX: ffffffffffffffda RBX: 00007ffe7fbfef60 RCX: 00007f27db9eb1e7
[  114.305640][ T1009] RDX: 0000000000000000 RSI: 00007ffe7fbfe8a0 RDI: 0000000000000005
[  114.306148][ T1009] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.306618][ T1009] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe7fbfef98
[  114.307093][ T1009] R13: 00000000686e18c4 R14: 0000000000499600 R15: 0000000000000000
| [  114.461528][ T1010] ------------[ cut here ]------------
| [ 114.461852][ T1010] WARNING: CPU: 0 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) 
| [  114.463112][ T1010] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.464255][ T1010] Tainted: [W]=WARN
[  114.464501][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.464902][ 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) 
[ 114.465245][ T1010] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  114.466374][ T1010] RSP: 0018:ffffc90000727080 EFLAGS: 00010246
[  114.466775][ T1010] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  114.467254][ T1010] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  114.467726][ T1010] RBP: ffffc90000727168 R08: 0000000000000000 R09: 0000000000000000
[  114.468210][ T1010] R10: ffffc90000727198 R11: ffffffff87ea8918 R12: 1ffff920000e4e14
[  114.468688][ T1010] R13: 00000000000005dc R14: ffffc90000727198 R15: ffff88800fcaaf08
[  114.469164][ T1010] FS:  00007f8d672c6800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  114.469728][ T1010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.470130][ T1010] CR2: 00000000004a1738 CR3: 0000000017564004 CR4: 0000000000772ef0
[  114.470612][ T1010] PKRU: 55555554
[  114.470849][ T1010] Call Trace:
[  114.471093][ T1010]  <TASK>
[ 114.471259][ T1010] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.471576][ T1010] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.471894][ T1010] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.472296][ T1010] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.472615][ T1010] netif_set_mtu (net/core/dev.c:9652) 
[ 114.472938][ T1010] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.473280][ T1010] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.473725][ T1010] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.473967][ T1010] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.474407][ T1010] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.474772][ T1010] do_set_master (net/core/rtnetlink.c:2948) 
[ 114.475095][ T1010] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.475413][ T1010] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.475733][ T1010] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.476043][ T1010] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.476365][ T1010] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.476681][ T1010] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.477044][ T1010] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.477373][ T1010] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.477691][ T1010] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.478032][ T1010] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.478363][ T1010] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.478687][ T1010] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.479003][ T1010] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.479337][ T1010] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.479653][ T1010] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.479977][ T1010] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.480304][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.480622][ T1010] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.480939][ T1010] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.481267][ T1010] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.481596][ T1010] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.481910][ 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) 
[ 114.482390][ T1010] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.482715][ T1010] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.483029][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.483505][ T1010] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.483833][ T1010] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.484294][ T1010] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.484623][ T1010] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.484938][ T1010] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.485308][ T1010] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.485718][ T1010] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.486036][ T1010] ___sys_sendmsg (net/socket.c:2670) 
[ 114.486358][ T1010] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.486681][ T1010] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.486998][ T1010] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.487332][ T1010] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.487660][ T1010] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.487980][ T1010] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.488299][ T1010] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.488636][ T1010] __sys_sendmsg (net/socket.c:2700) 
[ 114.488949][ T1010] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.489281][ 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) 
[ 114.489614][ 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) 
[ 114.489933][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.490266][ T1010] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.490587][ T1010] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.490984][ T1010] RIP: 0033:0x7f8d674931e7
[ 114.491328][ 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)
[  114.492478][ T1010] RSP: 002b:00007ffd7fae9718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.492963][ T1010] RAX: ffffffffffffffda RBX: 00007ffd7fae9e40 RCX: 00007f8d674931e7
[  114.493453][ T1010] RDX: 0000000000000000 RSI: 00007ffd7fae9780 RDI: 0000000000000005
[  114.493923][ T1010] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.494413][ T1010] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd7fae9e78
[  114.494904][ T1010] R13: 00000000686e18c4 R14: 0000000000499600 R15: 0000000000000000
| [  114.675804][ T1012] ------------[ cut here ]------------
| [ 114.676141][ 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) 
| [  114.676758][ T1012] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.677891][ T1012] Tainted: [W]=WARN
[  114.678137][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.678526][ 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) 
[ 114.678844][ T1012] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  114.681023][ T1012] RSP: 0018:ffffc90000587080 EFLAGS: 00010246
[  114.681435][ T1012] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  114.681904][ T1012] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  114.682384][ T1012] RBP: ffffc90000587168 R08: 0000000000000000 R09: 0000000000000000
[  114.682854][ T1012] R10: ffffc90000587198 R11: ffffffff87ea8918 R12: 1ffff920000b0e14
[  114.683332][ T1012] R13: 00000000000005dc R14: ffffc90000587198 R15: ffff88800fcaaf08
[  114.683799][ T1012] FS:  00007fc8fea1c800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  114.684390][ T1012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.684829][ T1012] CR2: 00007fc8fecf0270 CR3: 0000000017564006 CR4: 0000000000772ef0
[  114.685314][ T1012] PKRU: 55555554
[  114.685553][ T1012] Call Trace:
[  114.685789][ T1012]  <TASK>
[ 114.685951][ T1012] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.686282][ T1012] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.686596][ T1012] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.686985][ T1012] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.687311][ T1012] netif_set_mtu (net/core/dev.c:9652) 
[ 114.687625][ T1012] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.687954][ T1012] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.688410][ T1012] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.688648][ T1012] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.689123][ T1012] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.689518][ T1012] do_set_master (net/core/rtnetlink.c:2948) 
[ 114.689829][ T1012] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.690159][ T1012] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.690475][ T1012] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.690789][ T1012] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.691269][ T1012] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.691765][ T1012] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.692330][ T1012] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.692882][ T1012] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.693468][ T1012] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.694075][ T1012] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.694648][ T1012] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.695250][ T1012] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.695805][ T1012] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.696348][ T1012] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.696896][ T1012] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.697487][ T1012] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.698078][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.698634][ T1012] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.699208][ T1012] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.699787][ T1012] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.700397][ T1012] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.700956][ 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) 
[ 114.701542][ T1012] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.702127][ T1012] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.702670][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.703270][ T1012] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.703832][ T1012] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.704421][ T1012] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.704990][ T1012] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.705573][ T1012] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.706155][ T1012] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.706877][ T1012] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.707485][ T1012] ___sys_sendmsg (net/socket.c:2670) 
[ 114.708066][ T1012] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.708636][ T1012] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.709209][ T1012] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.709788][ T1012] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.710418][ T1012] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.710984][ T1012] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.711568][ T1012] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.712174][ T1012] __sys_sendmsg (net/socket.c:2700) 
[ 114.712750][ T1012] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.713324][ 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) 
[ 114.713904][ 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) 
[ 114.714496][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.715075][ T1012] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.715639][ T1012] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.716351][ T1012] RIP: 0033:0x7fc8febe91e7
[ 114.716941][ 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)
[  114.719017][ T1012] RSP: 002b:00007ffe9aed1ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.719891][ T1012] RAX: ffffffffffffffda RBX: 00007ffe9aed2610 RCX: 00007fc8febe91e7
[  114.720777][ T1012] RDX: 0000000000000000 RSI: 00007ffe9aed1f50 RDI: 0000000000000005
[  114.721619][ T1012] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.722470][ T1012] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9aed2648
[  114.723354][ T1012] R13: 00000000686e18c4 R14: 0000000000499600 R15: 0000000000000000
| [  114.912274][ T1015] ------------[ cut here ]------------
| [ 114.912631][ T1015] WARNING: CPU: 3 PID: 1015 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) 
| [  114.913342][ T1015] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.914529][ T1015] Tainted: [W]=WARN
[  114.914768][ T1015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.915191][ T1015] 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) 
[ 114.915544][ T1015] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  114.916783][ T1015] RSP: 0018:ffffc90000697080 EFLAGS: 00010246
[  114.917237][ T1015] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  114.917754][ T1015] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  114.918308][ T1015] RBP: ffffc90000697168 R08: 0000000000000000 R09: 0000000000000000
[  114.918848][ T1015] R10: ffffc90000697198 R11: ffffffff87ea8918 R12: 1ffff920000d2e14
[  114.919401][ T1015] R13: 00000000000005dc R14: ffffc90000697198 R15: ffff88800fcaaf08
[  114.919930][ T1015] FS:  00007fbb577f3800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  114.920541][ T1015] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.920949][ T1015] CR2: 00007fb4a9d47b30 CR3: 000000000ec37003 CR4: 0000000000772ef0
[  114.921500][ T1015] PKRU: 55555554
[  114.921754][ T1015] Call Trace:
[  114.922027][ T1015]  <TASK>
[ 114.922213][ T1015] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.922552][ T1015] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.922891][ T1015] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.923336][ T1015] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.923693][ T1015] netif_set_mtu (net/core/dev.c:9652) 
[ 114.924029][ T1015] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.924393][ T1015] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.924888][ T1015] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.925156][ T1015] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.925627][ T1015] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.926032][ T1015] do_set_master (net/core/rtnetlink.c:2948) 
[ 114.926399][ T1015] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.926773][ T1015] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.927125][ T1015] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.927479][ T1015] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.927809][ T1015] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.928176][ T1015] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.928544][ T1015] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.928882][ T1015] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.929272][ T1015] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.929652][ T1015] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.929998][ T1015] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.930352][ T1015] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.930680][ T1015] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.931023][ T1015] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.931404][ T1015] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.931741][ T1015] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.932104][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.932446][ T1015] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.932777][ T1015] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.933124][ T1015] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.933485][ T1015] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.933821][ T1015] ? 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) 
[ 114.934171][ T1015] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.934537][ T1015] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.934872][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.935254][ T1015] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.935599][ T1015] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.935940][ T1015] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.936288][ T1015] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.936624][ T1015] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.936975][ T1015] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.937406][ T1015] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.937748][ T1015] ___sys_sendmsg (net/socket.c:2670) 
[ 114.938097][ T1015] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.938429][ T1015] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.938764][ T1015] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.939141][ T1015] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.939540][ T1015] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.939875][ T1015] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.940238][ T1015] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.940593][ T1015] __sys_sendmsg (net/socket.c:2700) 
[ 114.940924][ T1015] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.941294][ T1015] ? 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) 
[ 114.941646][ T1015] ? 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) 
[ 114.941982][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.942328][ T1015] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.942661][ T1015] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.943102][ T1015] RIP: 0033:0x7fbb579c01e7
[ 114.943458][ T1015] 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)
[  114.944680][ T1015] RSP: 002b:00007fff9427e028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.945225][ T1015] RAX: ffffffffffffffda RBX: 00007fff9427e750 RCX: 00007fbb579c01e7
[  114.945747][ T1015] RDX: 0000000000000000 RSI: 00007fff9427e090 RDI: 0000000000000005
[  114.946265][ T1015] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.946771][ T1015] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff9427e788
[  114.947338][ T1015] R13: 00000000686e18c4 R14: 0000000000499600 R15: 0000000000000000
| [  115.091602][ T1016] ------------[ cut here ]------------
| [ 115.091943][ T1016] WARNING: CPU: 3 PID: 1016 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) 
| [  115.092628][ T1016] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.093840][ T1016] Tainted: [W]=WARN
[  115.094101][ T1016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.094521][ T1016] 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) 
[ 115.094878][ T1016] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  115.096089][ T1016] RSP: 0018:ffffc90000587080 EFLAGS: 00010246
[  115.096513][ T1016] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  115.097044][ T1016] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  115.097559][ T1016] RBP: ffffc90000587168 R08: 0000000000000000 R09: 0000000000000000
[  115.098042][ T1016] R10: ffffc90000587198 R11: ffffffff87ea8918 R12: 1ffff920000b0e14
[  115.098548][ T1016] R13: 00000000000005dc R14: ffffc90000587198 R15: ffff88800fcaaf08
[  115.099043][ T1016] FS:  00007f2747c40800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  115.099631][ T1016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.100062][ T1016] CR2: 00000000004a1738 CR3: 000000000b3f3005 CR4: 0000000000772ef0
[  115.100567][ T1016] PKRU: 55555554
[  115.100823][ T1016] Call Trace:
[  115.101080][ T1016]  <TASK>
[ 115.101254][ T1016] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.101590][ T1016] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.101926][ T1016] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.102348][ T1016] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.102695][ T1016] netif_set_mtu (net/core/dev.c:9652) 
[ 115.103026][ T1016] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.103379][ T1016] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.103847][ T1016] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.104109][ T1016] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.104563][ T1016] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.104945][ T1016] do_set_master (net/core/rtnetlink.c:2948) 
[ 115.105284][ T1016] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.105639][ T1016] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.105973][ T1016] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.106315][ T1016] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.106649][ T1016] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.106983][ T1016] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.107331][ T1016] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.107664][ T1016] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.108000][ T1016] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.108349][ T1016] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.108688][ T1016] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.109028][ T1016] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.109377][ T1016] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.109715][ T1016] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.110056][ T1016] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.110391][ T1016] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.110726][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.111070][ T1016] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.111411][ T1016] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.111744][ T1016] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.112091][ T1016] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.112418][ T1016] ? 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) 
[ 115.112750][ T1016] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.113085][ T1016] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.113411][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.113745][ T1016] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.114086][ T1016] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.114421][ T1016] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.114775][ T1016] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.115123][ T1016] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.115481][ T1016] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.115900][ T1016] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.116244][ T1016] ___sys_sendmsg (net/socket.c:2670) 
[ 115.116579][ T1016] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.116916][ T1016] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.117271][ T1016] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.117619][ T1016] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.117955][ T1016] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.118295][ T1016] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.118655][ T1016] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.119008][ T1016] __sys_sendmsg (net/socket.c:2700) 
[ 115.119365][ T1016] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.119700][ T1016] ? 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) 
[ 115.120041][ T1016] ? 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) 
[ 115.120389][ T1016] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.120725][ T1016] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.121064][ T1016] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.121480][ T1016] RIP: 0033:0x7f2747e0d1e7
[ 115.121828][ T1016] Code: Unable to access opcode bytes at 0x7f2747e0d1bd.

Code starting with the faulting instruction
===========================================
[  115.122258][ T1016] RSP: 002b:00007ffea6ff3138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.122773][ T1016] RAX: ffffffffffffffda RBX: 00007ffea6ff3860 RCX: 00007f2747e0d1e7
[  115.123279][ T1016] RDX: 0000000000000000 RSI: 00007ffea6ff31a0 RDI: 0000000000000005
[  115.123779][ T1016] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.124284][ T1016] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffea6ff3898
[  115.124787][ T1016] R13: 00000000686e18c4 R14: 0000000000499600 R15: 0000000000000000
| [  115.287200][ T1019] ------------[ cut here ]------------
| [ 115.287512][ T1019] WARNING: CPU: 3 PID: 1019 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) 
| [  115.288172][ T1019] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.289365][ T1019] Tainted: [W]=WARN
[  115.289607][ T1019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.290000][ T1019] 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) 
[ 115.290334][ T1019] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  115.291459][ T1019] RSP: 0018:ffffc900006b7080 EFLAGS: 00010246
[  115.291859][ T1019] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  115.292336][ T1019] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  115.292812][ T1019] RBP: ffffc900006b7168 R08: 0000000000000000 R09: 0000000000000000
[  115.293323][ T1019] R10: ffffc900006b7198 R11: ffffffff87ea8918 R12: 1ffff920000d6e14
[  115.293797][ T1019] R13: 00000000000005dc R14: ffffc900006b7198 R15: ffff88800fcaaf08
[  115.294274][ T1019] FS:  00007f0b15d43800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  115.294833][ T1019] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.295236][ T1019] CR2: 00000000004a1738 CR3: 000000000c47b002 CR4: 0000000000772ef0
[  115.295724][ T1019] PKRU: 55555554
[  115.295969][ T1019] Call Trace:
[  115.296213][ T1019]  <TASK>
[ 115.296377][ T1019] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.296700][ T1019] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.297017][ T1019] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.297462][ T1019] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.297780][ T1019] netif_set_mtu (net/core/dev.c:9652) 
[ 115.298106][ T1019] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.298431][ T1019] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.298877][ T1019] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.299125][ T1019] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.299591][ T1019] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.299953][ T1019] do_set_master (net/core/rtnetlink.c:2948) 
[ 115.300291][ T1019] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.300610][ T1019] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.300930][ T1019] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.301286][ T1019] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.301613][ T1019] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.301938][ T1019] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.302280][ T1019] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.302605][ T1019] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.302929][ T1019] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.303271][ T1019] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.303595][ T1019] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.303928][ T1019] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.304250][ T1019] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.304585][ T1019] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.304915][ T1019] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.305272][ T1019] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.305609][ T1019] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.305999][ T1019] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.306345][ T1019] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.306684][ T1019] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.307026][ T1019] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.307381][ T1019] ? 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) 
[ 115.307745][ T1019] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.308091][ T1019] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.308423][ T1019] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.308767][ T1019] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.309141][ T1019] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.309517][ T1019] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.309862][ T1019] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.310218][ T1019] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.310558][ T1019] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.311009][ T1019] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.311368][ T1019] ___sys_sendmsg (net/socket.c:2670) 
[ 115.311715][ T1019] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.312063][ T1019] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.312404][ T1019] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.312744][ T1019] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.313098][ T1019] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.313462][ T1019] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.313789][ T1019] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.314160][ T1019] __sys_sendmsg (net/socket.c:2700) 
[ 115.314499][ T1019] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.314830][ T1019] ? 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) 
[ 115.315171][ T1019] ? 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) 
[ 115.315507][ T1019] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.315840][ T1019] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.316178][ T1019] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.316589][ T1019] RIP: 0033:0x7f0b15f101e7
[ 115.316929][ T1019] 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)
[  115.318149][ T1019] RSP: 002b:00007ffd493f9de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.318646][ T1019] RAX: ffffffffffffffda RBX: 00007ffd493fa510 RCX: 00007f0b15f101e7
[  115.319153][ T1019] RDX: 0000000000000000 RSI: 00007ffd493f9e50 RDI: 0000000000000005
[  115.319659][ T1019] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.320162][ T1019] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd493fa548
[  115.320654][ T1019] R13: 00000000686e18c5 R14: 0000000000499600 R15: 0000000000000000
| [  115.485928][ T1020] ------------[ cut here ]------------
| [ 115.486323][ T1020] WARNING: CPU: 1 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) 
| [  115.486941][ T1020] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.488091][ T1020] Tainted: [W]=WARN
[  115.488332][ T1020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.488722][ 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) 
[ 115.489055][ T1020] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  115.490347][ T1020] RSP: 0018:ffffc90000697080 EFLAGS: 00010246
[  115.490743][ T1020] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  115.491357][ T1020] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  115.491834][ T1020] RBP: ffffc90000697168 R08: 0000000000000000 R09: 0000000000000000
[  115.492445][ T1020] R10: ffffc90000697198 R11: ffffffff87ea8918 R12: 1ffff920000d2e14
[  115.492918][ T1020] R13: 00000000000005dc R14: ffffc90000697198 R15: ffff88800fcaaf08
[  115.493477][ T1020] FS:  00007fb7e4e35800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  115.494035][ T1020] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.494443][ T1020] CR2: 00007fb4a9ed0938 CR3: 0000000005055006 CR4: 0000000000772ef0
[  115.494917][ T1020] PKRU: 55555554
[  115.495167][ T1020] Call Trace:
[  115.495402][ T1020]  <TASK>
[ 115.495565][ T1020] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.495885][ T1020] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.496206][ T1020] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.496596][ T1020] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.496919][ T1020] netif_set_mtu (net/core/dev.c:9652) 
[ 115.497239][ T1020] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.497564][ T1020] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.498009][ T1020] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.498261][ T1020] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.498689][ T1020] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.499059][ T1020] do_set_master (net/core/rtnetlink.c:2948) 
[ 115.499385][ T1020] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.499702][ T1020] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.500021][ T1020] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.500347][ T1020] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.500659][ T1020] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.500974][ T1020] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.501304][ T1020] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.501621][ T1020] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.501938][ T1020] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.502279][ T1020] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.502598][ T1020] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.502931][ T1020] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.503250][ T1020] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.503572][ T1020] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.503885][ T1020] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.504213][ T1020] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.504533][ T1020] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.504851][ T1020] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.505177][ T1020] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.505495][ T1020] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.505829][ T1020] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.506158][ 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) 
[ 115.506479][ T1020] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.506799][ T1020] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.507121][ T1020] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.507441][ T1020] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.507766][ T1020] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.508089][ T1020] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.508416][ T1020] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.508733][ T1020] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.509073][ T1020] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.509484][ T1020] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.509803][ T1020] ___sys_sendmsg (net/socket.c:2670) 
[ 115.510134][ T1020] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.510445][ T1020] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.510770][ T1020] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.511106][ T1020] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.511446][ T1020] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.511782][ T1020] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.512119][ T1020] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.512468][ T1020] __sys_sendmsg (net/socket.c:2700) 
[ 115.512810][ T1020] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.513146][ 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) 
[ 115.513494][ 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) 
[ 115.513830][ T1020] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.514172][ T1020] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.514502][ T1020] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.514912][ T1020] RIP: 0033:0x7fb7e50021e7
[ 115.515262][ 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)
[  115.516458][ T1020] RSP: 002b:00007ffd97b0ade8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.516957][ T1020] RAX: ffffffffffffffda RBX: 00007ffd97b0b510 RCX: 00007fb7e50021e7
[  115.517452][ T1020] RDX: 0000000000000000 RSI: 00007ffd97b0ae50 RDI: 0000000000000005
[  115.517930][ T1020] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.518418][ T1020] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd97b0b548
[  115.518904][ T1020] R13: 00000000686e18c5 R14: 0000000000499600 R15: 0000000000000000
| [  115.671482][ T1022] ------------[ cut here ]------------
| [ 115.672101][ T1022] WARNING: CPU: 0 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) 
| [  115.673198][ T1022] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.674897][ T1022] Tainted: [W]=WARN
[  115.675165][ T1022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.675630][ 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) 
[ 115.675985][ T1022] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  115.677173][ T1022] RSP: 0018:ffffc900006b7080 EFLAGS: 00010246
[  115.677611][ T1022] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  115.678119][ T1022] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  115.678627][ T1022] RBP: ffffc900006b7168 R08: 0000000000000000 R09: 0000000000000000
[  115.679197][ T1022] R10: ffffc900006b7198 R11: ffffffff87ea8918 R12: 1ffff920000d6e14
[  115.679731][ T1022] R13: 00000000000005dc R14: ffffc900006b7198 R15: ffff88800fcaaf08
[  115.680251][ T1022] FS:  00007fd66d452800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  115.680821][ T1022] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.681246][ T1022] CR2: 00000000004a1738 CR3: 0000000017506001 CR4: 0000000000772ef0
[  115.681750][ T1022] PKRU: 55555554
[  115.681996][ T1022] Call Trace:
[  115.682250][ T1022]  <TASK>
[ 115.682437][ T1022] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.682781][ T1022] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.683129][ T1022] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.683631][ T1022] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.683967][ T1022] netif_set_mtu (net/core/dev.c:9652) 
[ 115.684350][ T1022] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.684783][ T1022] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.685254][ T1022] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.685515][ T1022] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.685965][ T1022] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.686364][ T1022] do_set_master (net/core/rtnetlink.c:2948) 
[ 115.686692][ T1022] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.687017][ T1022] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.687387][ T1022] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.687701][ T1022] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.688092][ T1022] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.688467][ T1022] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.688793][ T1022] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.689128][ T1022] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.689512][ T1022] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.689846][ T1022] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.690181][ T1022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.690523][ T1022] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.690834][ T1022] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.691172][ T1022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.691509][ T1022] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.691836][ T1022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.692174][ T1022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.692585][ T1022] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.692925][ T1022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.693266][ T1022] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.693640][ T1022] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.693965][ 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) 
[ 115.694306][ T1022] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.694644][ T1022] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.694968][ T1022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.695322][ T1022] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.695663][ T1022] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.695997][ T1022] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.696366][ T1022] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.696689][ T1022] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.697571][ T1022] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.697978][ T1022] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.698332][ T1022] ___sys_sendmsg (net/socket.c:2670) 
[ 115.698657][ T1022] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.699221][ T1022] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.699567][ T1022] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.699881][ T1022] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.700484][ T1022] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.700812][ T1022] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.701137][ T1022] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.701736][ T1022] __sys_sendmsg (net/socket.c:2700) 
[ 115.702323][ T1022] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.702700][ 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) 
[ 115.703035][ 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) 
[ 115.703385][ T1022] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.703707][ T1022] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.704026][ T1022] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.704474][ T1022] RIP: 0033:0x7fd66d61f1e7
[ 115.704809][ 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)
[  115.707575][ T1022] RSP: 002b:00007ffcbd7ea668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.708349][ T1022] RAX: ffffffffffffffda RBX: 00007ffcbd7ead90 RCX: 00007fd66d61f1e7
[  115.708856][ T1022] RDX: 0000000000000000 RSI: 00007ffcbd7ea6d0 RDI: 0000000000000005
[  115.709393][ T1022] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.709899][ T1022] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcbd7eadc8
[  115.710415][ T1022] R13: 00000000686e18c5 R14: 0000000000499600 R15: 0000000000000000
| [  115.872553][ T1024] ------------[ cut here ]------------
| [ 115.872916][ T1024] WARNING: CPU: 2 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) 
| [  115.875300][ T1024] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.877434][ T1024] Tainted: [W]=WARN
[  115.877774][ T1024] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.878218][ 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) 
[ 115.878712][ T1024] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  115.880205][ T1024] RSP: 0018:ffffc900005a7080 EFLAGS: 00010246
[  115.880627][ T1024] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  115.881242][ T1024] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  115.881731][ T1024] RBP: ffffc900005a7168 R08: 0000000000000000 R09: 0000000000000000
[  115.882394][ T1024] R10: ffffc900005a7198 R11: ffffffff87ea8918 R12: 1ffff920000b4e14
[  115.882968][ T1024] R13: 00000000000005dc R14: ffffc900005a7198 R15: ffff88800fcaaf08
[  115.883553][ T1024] FS:  00007fe049dce800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  115.884269][ T1024] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.884696][ T1024] CR2: 00000000004a1738 CR3: 0000000017506003 CR4: 0000000000772ef0
[  115.885234][ T1024] PKRU: 55555554
[  115.885485][ T1024] Call Trace:
[  115.885807][ T1024]  <TASK>
[ 115.886015][ T1024] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.886370][ T1024] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.886711][ T1024] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.887169][ T1024] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.887603][ T1024] netif_set_mtu (net/core/dev.c:9652) 
[ 115.888136][ T1024] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.888492][ T1024] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.889016][ T1024] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.889426][ T1024] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.890124][ T1024] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.890539][ T1024] do_set_master (net/core/rtnetlink.c:2948) 
[ 115.890979][ T1024] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.891341][ T1024] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.891676][ T1024] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.892089][ T1024] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.892428][ T1024] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.892868][ T1024] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.893307][ T1024] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.893731][ T1024] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.894106][ T1024] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.894498][ T1024] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.895000][ T1024] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.895367][ T1024] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.895868][ T1024] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.896278][ T1024] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.896624][ T1024] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.896978][ T1024] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.897339][ T1024] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.897677][ T1024] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.898032][ T1024] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.898379][ T1024] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.898732][ T1024] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.899077][ 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) 
[ 115.899422][ T1024] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.899772][ T1024] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.900126][ T1024] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.900460][ T1024] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.900842][ T1024] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.901206][ T1024] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.901556][ T1024] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.901915][ T1024] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.902262][ T1024] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.902674][ T1024] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.903034][ T1024] ___sys_sendmsg (net/socket.c:2670) 
[ 115.903379][ T1024] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.903711][ T1024] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.904064][ T1024] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.904393][ T1024] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.904750][ T1024] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.905274][ T1024] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.905613][ T1024] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.905991][ T1024] __sys_sendmsg (net/socket.c:2700) 
[ 115.906350][ T1024] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.906718][ 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) 
[ 115.907154][ 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) 
[ 115.907597][ T1024] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.907949][ T1024] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.908328][ T1024] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.908830][ T1024] RIP: 0033:0x7fe049f9b1e7
[ 115.909198][ 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)
[  115.910587][ T1024] RSP: 002b:00007ffdc72383b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.911231][ T1024] RAX: ffffffffffffffda RBX: 00007ffdc7238ae0 RCX: 00007fe049f9b1e7
[  115.911850][ T1024] RDX: 0000000000000000 RSI: 00007ffdc7238420 RDI: 0000000000000005
[  115.912370][ T1024] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.912873][ T1024] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc7238b18
[  115.913385][ T1024] R13: 00000000686e18c5 R14: 0000000000499600 R15: 0000000000000000
| [  116.083234][ T1026] ------------[ cut here ]------------
| [ 116.083563][ 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) 
| [  116.084488][ T1026] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.085640][ T1026] Tainted: [W]=WARN
[  116.085882][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.086305][ 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) 
[ 116.086641][ T1026] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  116.087818][ T1026] RSP: 0018:ffffc900007d7080 EFLAGS: 00010246
[  116.088271][ T1026] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  116.088755][ T1026] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  116.089235][ T1026] RBP: ffffc900007d7168 R08: 0000000000000000 R09: 0000000000000000
[  116.089728][ T1026] R10: ffffc900007d7198 R11: ffffffff87ea8918 R12: 1ffff920000fae14
[  116.090210][ T1026] R13: 00000000000005dc R14: ffffc900007d7198 R15: ffff88800fcaaf08
[  116.090697][ T1026] FS:  00007fa4140b1800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  116.091253][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.091681][ T1026] CR2: 00000000004a1738 CR3: 000000000b959001 CR4: 0000000000772ef0
[  116.092161][ T1026] PKRU: 55555554
[  116.092411][ T1026] Call Trace:
[  116.092652][ T1026]  <TASK>
[ 116.092816][ T1026] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.093150][ T1026] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.093533][ T1026] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.093923][ T1026] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.094252][ T1026] netif_set_mtu (net/core/dev.c:9652) 
[ 116.094603][ T1026] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.094934][ T1026] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.095419][ T1026] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.095663][ T1026] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.096104][ T1026] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.096479][ T1026] do_set_master (net/core/rtnetlink.c:2948) 
[ 116.096794][ T1026] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.097124][ T1026] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.097454][ T1026] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.097766][ T1026] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.098089][ T1026] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.098439][ T1026] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.098759][ T1026] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.099082][ T1026] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.099447][ T1026] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.099781][ T1026] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.100113][ T1026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.100451][ T1026] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.100831][ T1026] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.101163][ T1026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.101493][ T1026] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.101810][ T1026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.102144][ T1026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.102481][ T1026] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.102800][ T1026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.103124][ T1026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.103480][ T1026] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.103796][ 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) 
[ 116.104120][ T1026] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 116.104461][ T1026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.104779][ T1026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.105109][ T1026] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.105442][ T1026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.105817][ T1026] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.106160][ T1026] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.106498][ T1026] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.106817][ T1026] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.107229][ T1026] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.107576][ T1026] ___sys_sendmsg (net/socket.c:2670) 
[ 116.107893][ T1026] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.108224][ T1026] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.108564][ T1026] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.108888][ T1026] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.109226][ T1026] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.109581][ T1026] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.109898][ T1026] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.110335][ T1026] __sys_sendmsg (net/socket.c:2700) 
[ 116.110662][ T1026] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.110977][ 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) 
[ 116.111341][ 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) 
[ 116.111674][ T1026] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.111992][ T1026] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.112331][ T1026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.112736][ T1026] RIP: 0033:0x7fa41427e1e7
[ 116.113074][ 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)
[  116.114232][ T1026] RSP: 002b:00007ffc45a63e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.114737][ T1026] RAX: ffffffffffffffda RBX: 00007ffc45a64590 RCX: 00007fa41427e1e7
[  116.115222][ T1026] RDX: 0000000000000000 RSI: 00007ffc45a63ed0 RDI: 0000000000000005
[  116.115708][ T1026] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.116197][ T1026] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc45a645c8
[  116.116695][ T1026] R13: 00000000686e18c5 R14: 0000000000499600 R15: 0000000000000000
| [  116.261663][ T1028] ------------[ cut here ]------------
| [ 116.261987][ T1028] WARNING: CPU: 0 PID: 1028 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) 
| [  116.262680][ T1028] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.263840][ T1028] Tainted: [W]=WARN
[  116.264092][ T1028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.264512][ T1028] 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) 
[ 116.264853][ T1028] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  116.266033][ T1028] RSP: 0000:ffffc900007d7080 EFLAGS: 00010246
[  116.266451][ T1028] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  116.266950][ T1028] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  116.267438][ T1028] RBP: ffffc900007d7168 R08: 0000000000000000 R09: 0000000000000000
[  116.267942][ T1028] R10: ffffc900007d7198 R11: ffffffff87ea8918 R12: 1ffff920000fae14
[  116.268433][ T1028] R13: 00000000000005dc R14: ffffc900007d7198 R15: ffff88800fcaaf08
[  116.268916][ T1028] FS:  00007f91c6865800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  116.269490][ T1028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.269894][ T1028] CR2: 00007fb4a9d52240 CR3: 000000000ba1c005 CR4: 0000000000772ef0
[  116.270378][ T1028] PKRU: 55555554
[  116.270621][ T1028] Call Trace:
[  116.270863][ T1028]  <TASK>
[ 116.271028][ T1028] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.271364][ T1028] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.271683][ T1028] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.272110][ T1028] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.272437][ T1028] netif_set_mtu (net/core/dev.c:9652) 
[ 116.272757][ T1028] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.273126][ T1028] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.273592][ T1028] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.273836][ T1028] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.274298][ T1028] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.274680][ T1028] do_set_master (net/core/rtnetlink.c:2948) 
[ 116.274996][ T1028] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.275321][ T1028] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.275646][ T1028] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.275966][ T1028] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.276288][ T1028] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.276605][ T1028] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.276953][ T1028] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.277283][ T1028] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.277631][ T1028] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.277958][ T1028] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.278293][ T1028] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.278649][ T1028] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.279015][ T1028] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.279390][ T1028] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.279708][ T1028] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.280065][ T1028] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.280412][ T1028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.280737][ T1028] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.281065][ T1028] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.281414][ T1028] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.281745][ T1028] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.282082][ T1028] ? 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) 
[ 116.282401][ T1028] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 116.282724][ T1028] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.283037][ T1028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.283367][ T1028] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.283688][ T1028] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.284005][ T1028] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.284339][ T1028] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.284690][ T1028] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.285006][ T1028] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.285435][ T1028] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.285792][ T1028] ___sys_sendmsg (net/socket.c:2670) 
[ 116.286118][ T1028] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.286461][ T1028] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.286787][ T1028] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.287118][ T1028] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.287469][ T1028] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.287790][ T1028] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.288141][ T1028] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.288503][ T1028] __sys_sendmsg (net/socket.c:2700) 
[ 116.288833][ T1028] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.289201][ T1028] ? 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) 
[ 116.289555][ T1028] ? 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) 
[ 116.289881][ T1028] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.290224][ T1028] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.290584][ T1028] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.291008][ T1028] RIP: 0033:0x7f91c6a321e7
[ 116.291361][ T1028] 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)
[  116.292591][ T1028] RSP: 002b:00007fff995b0a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.293115][ T1028] RAX: ffffffffffffffda RBX: 00007fff995b11a0 RCX: 00007f91c6a321e7
[  116.293616][ T1028] RDX: 0000000000000000 RSI: 00007fff995b0ae0 RDI: 0000000000000005
[  116.294170][ T1028] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.294659][ T1028] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff995b11d8
[  116.295177][ T1028] R13: 00000000686e18c6 R14: 0000000000499600 R15: 0000000000000000
| [  116.463727][ T1030] ------------[ cut here ]------------
| [ 116.464271][ T1030] WARNING: CPU: 1 PID: 1030 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) 
| [  116.464890][ T1030] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.466276][ T1030] Tainted: [W]=WARN
[  116.466516][ T1030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.466908][ T1030] 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) 
[ 116.467238][ T1030] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  116.468395][ T1030] RSP: 0000:ffffc900007e7080 EFLAGS: 00010246
[  116.468791][ T1030] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  116.469270][ T1030] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  116.469760][ T1030] RBP: ffffc900007e7168 R08: 0000000000000000 R09: 0000000000000000
[  116.470241][ T1030] R10: ffffc900007e7198 R11: ffffffff87ea8918 R12: 1ffff920000fce14
[  116.470716][ T1030] R13: 00000000000005dc R14: ffffc900007e7198 R15: ffff88800fcaaf08
[  116.471196][ T1030] FS:  00007f250fc07800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  116.471743][ T1030] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.472145][ T1030] CR2: 00007fb4a998a3c0 CR3: 000000000f1e0003 CR4: 0000000000772ef0
[  116.472617][ T1030] PKRU: 55555554
[  116.472849][ T1030] Call Trace:
[  116.473094][ T1030]  <TASK>
[ 116.473262][ T1030] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.473585][ T1030] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.473904][ T1030] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.474308][ T1030] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.474631][ T1030] netif_set_mtu (net/core/dev.c:9652) 
[ 116.474953][ T1030] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.475288][ T1030] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.475731][ T1030] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.475975][ T1030] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.476424][ T1030] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.476793][ T1030] do_set_master (net/core/rtnetlink.c:2948) 
[ 116.477119][ T1030] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.477436][ T1030] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.477751][ T1030] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.478071][ T1030] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.478383][ T1030] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.478695][ T1030] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.479021][ T1030] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.479353][ T1030] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.479678][ T1030] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.480003][ T1030] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.480338][ T1030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.480674][ T1030] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.480983][ T1030] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.481305][ T1030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.481615][ T1030] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.481928][ T1030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.482253][ T1030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.482572][ T1030] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.482901][ T1030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.483242][ T1030] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.483582][ T1030] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.483907][ T1030] ? 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) 
[ 116.484247][ T1030] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 116.484582][ T1030] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.484916][ T1030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.485257][ T1030] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.485589][ T1030] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.485917][ T1030] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.486260][ T1030] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.486592][ T1030] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.486918][ T1030] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.487340][ T1030] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.487673][ T1030] ___sys_sendmsg (net/socket.c:2670) 
[ 116.488014][ T1030] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.488346][ T1030] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.488658][ T1030] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.488976][ T1030] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.489329][ T1030] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.489665][ T1030] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.489997][ T1030] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.490355][ T1030] __sys_sendmsg (net/socket.c:2700) 
[ 116.490693][ T1030] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.491022][ T1030] ? 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) 
[ 116.491375][ T1030] ? 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) 
[ 116.491708][ T1030] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.492041][ T1030] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.492384][ T1030] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.492786][ T1030] RIP: 0033:0x7f250fdd41e7
[ 116.493141][ T1030] Code: Unable to access opcode bytes at 0x7f250fdd41bd.

Code starting with the faulting instruction
===========================================
[  116.493566][ T1030] RSP: 002b:00007fffdf7333c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.494073][ T1030] RAX: ffffffffffffffda RBX: 00007fffdf733af0 RCX: 00007f250fdd41e7
[  116.494567][ T1030] RDX: 0000000000000000 RSI: 00007fffdf733430 RDI: 0000000000000005
[  116.495069][ T1030] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.495568][ T1030] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffdf733b28
[  116.496075][ T1030] R13: 00000000686e18c6 R14: 0000000000499600 R15: 0000000000000000
| [  116.670494][ T1032] ------------[ cut here ]------------
| [ 116.670810][ 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) 
| [  116.671478][ T1032] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.672620][ T1032] Tainted: [W]=WARN
[  116.672862][ T1032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.673415][ 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) 
[ 116.673741][ T1032] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  116.674871][ T1032] RSP: 0018:ffffc90000597080 EFLAGS: 00010246
[  116.675278][ T1032] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  116.675748][ T1032] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  116.676222][ T1032] RBP: ffffc90000597168 R08: 0000000000000000 R09: 0000000000000000
[  116.676697][ T1032] R10: ffffc90000597198 R11: ffffffff87ea8918 R12: 1ffff920000b2e14
[  116.677174][ T1032] R13: 00000000000005dc R14: ffffc90000597198 R15: ffff88800fcaaf08
[  116.677643][ T1032] FS:  00007fcebd6fa800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  116.678198][ T1032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.678593][ T1032] CR2: 00007fb4a9e4de80 CR3: 000000000f1e0005 CR4: 0000000000772ef0
[  116.679074][ T1032] PKRU: 55555554
[  116.679311][ T1032] Call Trace:
[  116.679592][ T1032]  <TASK>
[ 116.679759][ T1032] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.680092][ T1032] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.680411][ T1032] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.680809][ T1032] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.681137][ T1032] netif_set_mtu (net/core/dev.c:9652) 
[ 116.681451][ T1032] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.681781][ T1032] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.682237][ T1032] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.682477][ T1032] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.682906][ T1032] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.683281][ T1032] do_set_master (net/core/rtnetlink.c:2948) 
[ 116.683593][ T1032] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.683914][ T1032] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.684493][ T1032] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.684805][ T1032] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.685127][ T1032] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.685444][ T1032] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.685767][ T1032] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.686086][ T1032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.686405][ T1032] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.686729][ T1032] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.687058][ T1032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.687383][ T1032] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.687694][ T1032] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.688012][ T1032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.688347][ T1032] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.688668][ T1032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.688983][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.689368][ T1032] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.689701][ T1032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.690032][ T1032] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.690380][ T1032] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.690706][ 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) 
[ 116.691044][ T1032] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 116.691384][ T1032] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.691712][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.692063][ T1032] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.692399][ T1032] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.692736][ T1032] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.693087][ T1032] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.693422][ T1032] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.693748][ T1032] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.694172][ T1032] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.694511][ T1032] ___sys_sendmsg (net/socket.c:2670) 
[ 116.694840][ T1032] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.695180][ T1032] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.695519][ T1032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.695844][ T1032] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.696188][ T1032] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.696518][ T1032] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.696847][ T1032] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.697201][ T1032] __sys_sendmsg (net/socket.c:2700) 
[ 116.697535][ T1032] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.697867][ 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) 
[ 116.698216][ 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) 
[ 116.698548][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.698887][ T1032] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.699230][ T1032] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.699676][ T1032] RIP: 0033:0x7fcebd8c71e7
[ 116.700023][ 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)
[  116.701211][ T1032] RSP: 002b:00007ffda7c7cec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.701713][ T1032] RAX: ffffffffffffffda RBX: 00007ffda7c7d5f0 RCX: 00007fcebd8c71e7
[  116.702227][ T1032] RDX: 0000000000000000 RSI: 00007ffda7c7cf30 RDI: 0000000000000005
[  116.702723][ T1032] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.703235][ T1032] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda7c7d628
[  116.703736][ T1032] R13: 00000000686e18c6 R14: 0000000000499600 R15: 0000000000000000
| [  116.872944][ T1035] ------------[ cut here ]------------
| [ 116.873311][ T1035] WARNING: CPU: 0 PID: 1035 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) 
| [  116.873955][ T1035] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.875121][ T1035] Tainted: [W]=WARN
[  116.875398][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.875803][ T1035] 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) 
[ 116.876150][ T1035] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  116.877337][ T1035] RSP: 0018:ffffc900007f7080 EFLAGS: 00010246
[  116.877737][ T1035] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  116.878250][ T1035] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  116.878727][ T1035] RBP: ffffc900007f7168 R08: 0000000000000000 R09: 0000000000000000
[  116.879226][ T1035] R10: ffffc900007f7198 R11: ffffffff87ea8918 R12: 1ffff920000fee14
[  116.879748][ T1035] R13: 00000000000005dc R14: ffffc900007f7198 R15: ffff88800fcaaf08
[  116.880252][ T1035] FS:  00007f4af0173800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  116.880833][ T1035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.881239][ T1035] CR2: 00000000004a1738 CR3: 000000000a56d006 CR4: 0000000000772ef0
[  116.881712][ T1035] PKRU: 55555554
[  116.881975][ T1035] Call Trace:
[  116.882221][ T1035]  <TASK>
[ 116.882389][ T1035] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.882714][ T1035] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.883031][ T1035] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.883435][ T1035] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.883754][ T1035] netif_set_mtu (net/core/dev.c:9652) 
[ 116.884091][ T1035] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.884426][ T1035] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.884873][ T1035] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.885122][ T1035] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.885591][ T1035] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.885958][ T1035] do_set_master (net/core/rtnetlink.c:2948) 
[ 116.886282][ T1035] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.886630][ T1035] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.886950][ T1035] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.887273][ T1035] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.887613][ T1035] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.887931][ T1035] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.888268][ T1035] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.888604][ T1035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.888924][ T1035] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.889260][ T1035] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.889596][ T1035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.889926][ T1035] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.890279][ T1035] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.890609][ T1035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.890943][ T1035] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.891273][ T1035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.891601][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.891916][ T1035] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.892270][ T1035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.892590][ T1035] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.892929][ T1035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.893277][ T1035] ? 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) 
[ 116.893596][ T1035] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 116.893942][ T1035] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.894267][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.894604][ T1035] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.894926][ T1035] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.895251][ T1035] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.895576][ T1035] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.895893][ T1035] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.896236][ T1035] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.896632][ T1035] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.896977][ T1035] ___sys_sendmsg (net/socket.c:2670) 
[ 116.897317][ T1035] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.897641][ T1035] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.897958][ T1035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.898286][ T1035] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.898639][ T1035] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.898953][ T1035] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.899276][ T1035] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.899778][ T1035] __sys_sendmsg (net/socket.c:2700) 
[ 116.900180][ T1035] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.900542][ T1035] ? 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) 
[ 116.900904][ T1035] ? 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) 
[ 116.901266][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.901635][ T1035] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.901981][ T1035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.902421][ T1035] RIP: 0033:0x7f4af03401e7
[ 116.902781][ T1035] 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)
[  116.904019][ T1035] RSP: 002b:00007fff63f21e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.904589][ T1035] RAX: ffffffffffffffda RBX: 00007fff63f225c0 RCX: 00007f4af03401e7
[  116.905111][ T1035] RDX: 0000000000000000 RSI: 00007fff63f21f00 RDI: 0000000000000005
[  116.905654][ T1035] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.906175][ T1035] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff63f225f8
[  116.906886][ T1035] R13: 00000000686e18c6 R14: 0000000000499600 R15: 0000000000000000
| [  117.085183][ T1036] ------------[ cut here ]------------
| [ 117.085520][ T1036] WARNING: CPU: 0 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) 
| [  117.086201][ T1036] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.087432][ T1036] Tainted: [W]=WARN
[  117.087707][ T1036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.088158][ 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) 
[ 117.088526][ T1036] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  117.089810][ T1036] RSP: 0018:ffffc900007f7080 EFLAGS: 00010246
[  117.090264][ T1036] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  117.090788][ T1036] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  117.091339][ T1036] RBP: ffffc900007f7168 R08: 0000000000000000 R09: 0000000000000000
[  117.091869][ T1036] R10: ffffc900007f7198 R11: ffffffff87ea8918 R12: 1ffff920000fee14
[  117.092406][ T1036] R13: 00000000000005dc R14: ffffc900007f7198 R15: ffff88800fcaaf08
[  117.092927][ T1036] FS:  00007fe46acce800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  117.093556][ T1036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.094000][ T1036] CR2: 00000000004a1738 CR3: 00000000021ca005 CR4: 0000000000772ef0
[  117.094550][ T1036] PKRU: 55555554
[  117.094821][ T1036] Call Trace:
[  117.095095][ T1036]  <TASK>
[ 117.095279][ T1036] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.095641][ T1036] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.096007][ T1036] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.096464][ T1036] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.096822][ T1036] netif_set_mtu (net/core/dev.c:9652) 
[ 117.097186][ T1036] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.097556][ T1036] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.098060][ T1036] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.098326][ T1036] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.098786][ T1036] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.099184][ T1036] do_set_master (net/core/rtnetlink.c:2948) 
[ 117.099548][ T1036] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.099907][ T1036] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.100267][ T1036] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.100605][ T1036] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.100953][ T1036] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.101308][ T1036] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.101651][ T1036] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.101984][ T1036] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.102337][ T1036] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.102680][ T1036] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.103023][ T1036] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.103390][ T1036] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.103722][ T1036] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.104073][ T1036] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.104420][ T1036] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.104758][ T1036] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.105109][ T1036] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.105451][ T1036] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.105789][ T1036] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.106146][ T1036] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.106497][ T1036] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.106833][ 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) 
[ 117.107181][ T1036] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 117.107535][ T1036] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.107888][ T1036] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.108265][ T1036] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.108624][ T1036] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.108989][ T1036] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.109363][ T1036] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.109705][ T1036] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.110044][ T1036] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.110483][ T1036] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.110832][ T1036] ___sys_sendmsg (net/socket.c:2670) 
[ 117.111196][ T1036] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.111541][ T1036] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.111893][ T1036] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.112258][ T1036] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.112617][ T1036] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.112968][ T1036] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.113340][ T1036] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.113715][ T1036] __sys_sendmsg (net/socket.c:2700) 
[ 117.114081][ T1036] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.114434][ 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) 
[ 117.114796][ 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) 
[ 117.115166][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.115531][ T1036] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.115895][ T1036] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.116341][ T1036] RIP: 0033:0x7fe46ae9b1e7
[ 117.116701][ 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)
[  117.117909][ T1036] RSP: 002b:00007fff98d73068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.118445][ T1036] RAX: ffffffffffffffda RBX: 00007fff98d73790 RCX: 00007fe46ae9b1e7
[  117.118944][ T1036] RDX: 0000000000000000 RSI: 00007fff98d730d0 RDI: 0000000000000005
[  117.119471][ T1036] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.119971][ T1036] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff98d737c8
[  117.120489][ T1036] R13: 00000000686e18c6 R14: 0000000000499600 R15: 0000000000000000
| [  117.330338][ T1038] ------------[ cut here ]------------
| [ 117.330689][ T1038] WARNING: CPU: 1 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) 
| [  117.331619][ T1038] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.333474][ T1038] Tainted: [W]=WARN
[  117.333737][ T1038] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.334312][ 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) 
[ 117.334709][ T1038] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  117.336106][ T1038] RSP: 0018:ffffc900007f7080 EFLAGS: 00010246
[  117.336619][ T1038] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  117.337292][ T1038] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  117.337898][ T1038] RBP: ffffc900007f7168 R08: 0000000000000000 R09: 0000000000000000
[  117.338387][ T1038] R10: ffffc900007f7198 R11: ffffffff87ea8918 R12: 1ffff920000fee14
[  117.338954][ T1038] R13: 00000000000005dc R14: ffffc900007f7198 R15: ffff88800fcaaf08
[  117.339564][ T1038] FS:  00007f980c69e800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  117.340234][ T1038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.340692][ T1038] CR2: 00000000004a1738 CR3: 000000000b253006 CR4: 0000000000772ef0
[  117.341269][ T1038] PKRU: 55555554
[  117.341672][ T1038] Call Trace:
[  117.341911][ T1038]  <TASK>
[ 117.342088][ T1038] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.342432][ T1038] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.342851][ T1038] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.343362][ T1038] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.343777][ T1038] netif_set_mtu (net/core/dev.c:9652) 
[ 117.344112][ T1038] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.344555][ T1038] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.345099][ T1038] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.345418][ T1038] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.345923][ T1038] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.346313][ T1038] do_set_master (net/core/rtnetlink.c:2948) 
[ 117.346634][ T1038] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.346957][ T1038] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.347306][ T1038] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.347618][ T1038] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.347932][ T1038] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.348255][ T1038] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.348600][ T1038] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.348912][ T1038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.349243][ T1038] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.349667][ T1038] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.350077][ T1038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.350543][ T1038] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.350933][ T1038] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.351440][ T1038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.351975][ T1038] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.352527][ T1038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.352846][ T1038] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.353179][ T1038] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.353509][ T1038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.353822][ T1038] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.354155][ T1038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.354503][ 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) 
[ 117.354824][ T1038] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 117.355153][ T1038] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.355567][ T1038] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.355886][ T1038] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.356216][ T1038] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.356542][ T1038] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.356870][ T1038] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.357203][ T1038] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.357530][ T1038] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.357926][ T1038] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.358267][ T1038] ___sys_sendmsg (net/socket.c:2670) 
[ 117.358629][ T1038] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.358967][ T1038] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.359330][ T1038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.359663][ T1038] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.360002][ T1038] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.360357][ T1038] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.360688][ T1038] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.361036][ T1038] __sys_sendmsg (net/socket.c:2700) 
[ 117.361385][ T1038] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.361713][ 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) 
[ 117.362068][ 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) 
[ 117.362420][ T1038] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.362755][ T1038] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.363096][ T1038] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.363551][ T1038] RIP: 0033:0x7f980c86b1e7
[ 117.363892][ 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)
[  117.365177][ T1038] RSP: 002b:00007ffc8c92a0a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.365691][ T1038] RAX: ffffffffffffffda RBX: 00007ffc8c92a7d0 RCX: 00007f980c86b1e7
[  117.366196][ T1038] RDX: 0000000000000000 RSI: 00007ffc8c92a110 RDI: 0000000000000005
[  117.366684][ T1038] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.367188][ T1038] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8c92a808
[  117.367708][ T1038] R13: 00000000686e18c7 R14: 0000000000499600 R15: 0000000000000000
| [  117.557095][ T1040] ------------[ cut here ]------------
| [ 117.557529][ 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) 
| [  117.558354][ T1040] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.559710][ T1040] Tainted: [W]=WARN
[  117.559981][ T1040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.560581][ 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) 
[ 117.560938][ T1040] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  117.562382][ T1040] RSP: 0018:ffffc900007f7080 EFLAGS: 00010246
[  117.562903][ T1040] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  117.563532][ T1040] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  117.564037][ T1040] RBP: ffffc900007f7168 R08: 0000000000000000 R09: 0000000000000000
[  117.564657][ T1040] R10: ffffc900007f7198 R11: ffffffff87ea8918 R12: 1ffff920000fee14
[  117.565170][ T1040] R13: 00000000000005dc R14: ffffc900007f7198 R15: ffff88800fcaaf08
[  117.565668][ T1040] FS:  00007f4006ba8800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  117.566242][ T1040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.566652][ T1040] CR2: 00007fb4a9d77840 CR3: 000000000b20a001 CR4: 0000000000772ef0
[  117.567160][ T1040] PKRU: 55555554
[  117.567413][ T1040] Call Trace:
[  117.567666][ T1040]  <TASK>
[ 117.567843][ T1040] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.568197][ T1040] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.568528][ T1040] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.568939][ T1040] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.569286][ T1040] netif_set_mtu (net/core/dev.c:9652) 
[ 117.569634][ T1040] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.569983][ T1040] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.570453][ T1040] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.570708][ T1040] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.571165][ T1040] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.571543][ T1040] do_set_master (net/core/rtnetlink.c:2948) 
[ 117.571873][ T1040] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.572221][ T1040] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.572553][ T1040] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.572878][ T1040] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.573218][ T1040] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.573549][ T1040] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.573884][ T1040] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.574226][ T1040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.574559][ T1040] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.574900][ T1040] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.575247][ T1040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.575596][ T1040] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.575919][ T1040] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.576265][ T1040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.576592][ T1040] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.576925][ T1040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.577275][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.577609][ T1040] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.577939][ T1040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.578277][ T1040] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.578617][ T1040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.578942][ 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) 
[ 117.579291][ T1040] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 117.579640][ T1040] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.579972][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.580316][ T1040] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.580648][ T1040] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.580983][ T1040] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.581336][ T1040] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.581668][ T1040] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.581997][ T1040] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.582416][ T1040] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.582754][ T1040] ___sys_sendmsg (net/socket.c:2670) 
[ 117.583112][ T1040] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.583452][ T1040] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.583781][ T1040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.584125][ T1040] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.584459][ T1040] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.584791][ T1040] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.585129][ T1040] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.585487][ T1040] __sys_sendmsg (net/socket.c:2700) 
[ 117.585821][ T1040] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.586165][ 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) 
[ 117.586515][ 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) 
[ 117.586848][ T1040] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.587198][ T1040] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.587531][ T1040] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.587934][ T1040] RIP: 0033:0x7f4006d751e7
[ 117.588286][ 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)
[  117.589449][ T1040] RSP: 002b:00007ffd08cff248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.589943][ T1040] RAX: ffffffffffffffda RBX: 00007ffd08cff970 RCX: 00007f4006d751e7
[  117.590440][ T1040] RDX: 0000000000000000 RSI: 00007ffd08cff2b0 RDI: 0000000000000005
[  117.590934][ T1040] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.591433][ T1040] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd08cff9a8
[  117.591927][ T1040] R13: 00000000686e18c7 R14: 0000000000499600 R15: 0000000000000000
| [  117.765501][ T1042] ------------[ cut here ]------------
| [ 117.765811][ T1042] WARNING: CPU: 1 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) 
| [  117.766503][ T1042] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.767652][ T1042] Tainted: [W]=WARN
[  117.767891][ T1042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.768302][ 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) 
[ 117.768631][ T1042] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  117.769773][ T1042] RSP: 0018:ffffc90000797080 EFLAGS: 00010246
[  117.770189][ T1042] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  117.770662][ T1042] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  117.771143][ T1042] RBP: ffffc90000797168 R08: 0000000000000000 R09: 0000000000000000
[  117.771615][ T1042] R10: ffffc90000797198 R11: ffffffff87ea8918 R12: 1ffff920000f2e14
[  117.772092][ T1042] R13: 00000000000005dc R14: ffffc90000797198 R15: ffff88800fcaaf08
[  117.772563][ T1042] FS:  00007f67bd16d800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  117.773119][ T1042] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.773522][ T1042] CR2: 00000000004a1738 CR3: 000000000be32006 CR4: 0000000000772ef0
[  117.773992][ T1042] PKRU: 55555554
[  117.774248][ T1042] Call Trace:
[  117.774485][ T1042]  <TASK>
[ 117.774647][ T1042] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.774970][ T1042] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.775297][ T1042] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.775694][ T1042] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.776019][ T1042] netif_set_mtu (net/core/dev.c:9652) 
[ 117.776391][ T1042] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.776716][ T1042] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.777172][ T1042] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.777412][ T1042] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.777843][ T1042] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.778222][ T1042] do_set_master (net/core/rtnetlink.c:2948) 
[ 117.778539][ T1042] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.778852][ T1042] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.779182][ T1042] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.779506][ T1042] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.779822][ T1042] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.780145][ T1042] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.780469][ T1042] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.780778][ T1042] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.781111][ T1042] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.781439][ T1042] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.781759][ T1042] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.782103][ T1042] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.782420][ T1042] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.782742][ T1042] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.783073][ T1042] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.783391][ T1042] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.783715][ T1042] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.784034][ T1042] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.784356][ T1042] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.784677][ T1042] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.785011][ T1042] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.785346][ 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) 
[ 117.785661][ T1042] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 117.785976][ T1042] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.786296][ T1042] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.786611][ T1042] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.786926][ T1042] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.787253][ T1042] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.787575][ T1042] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.787895][ T1042] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.788217][ T1042] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.788609][ T1042] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.788930][ T1042] ___sys_sendmsg (net/socket.c:2670) 
[ 117.789258][ T1042] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.789589][ T1042] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.789904][ T1042] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.790227][ T1042] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.790546][ T1042] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.790856][ T1042] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.791176][ T1042] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.791504][ T1042] __sys_sendmsg (net/socket.c:2700) 
[ 117.791818][ T1042] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.792147][ 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) 
[ 117.792469][ 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) 
[ 117.792782][ T1042] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.793111][ T1042] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.793425][ T1042] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.793809][ T1042] RIP: 0033:0x7f67bd33a1e7
[ 117.794141][ 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)
[  117.795276][ T1042] RSP: 002b:00007ffca2d26a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.795752][ T1042] RAX: ffffffffffffffda RBX: 00007ffca2d271c0 RCX: 00007f67bd33a1e7
[  117.796230][ T1042] RDX: 0000000000000000 RSI: 00007ffca2d26b00 RDI: 0000000000000005
[  117.796705][ T1042] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.797187][ T1042] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca2d271f8
[  117.797658][ T1042] R13: 00000000686e18c7 R14: 0000000000499600 R15: 0000000000000000
| [  118.000154][ T1045] ------------[ cut here ]------------
| [ 118.000486][ T1045] WARNING: CPU: 0 PID: 1045 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) 
| [  118.001212][ T1045] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.002408][ T1045] Tainted: [W]=WARN
[  118.002659][ T1045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.003078][ T1045] 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) 
[ 118.003418][ T1045] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  118.004608][ T1045] RSP: 0018:ffffc900007f7080 EFLAGS: 00010246
[  118.005027][ T1045] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  118.005532][ T1045] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  118.006031][ T1045] RBP: ffffc900007f7168 R08: 0000000000000000 R09: 0000000000000000
[  118.006542][ T1045] R10: ffffc900007f7198 R11: ffffffff87ea8918 R12: 1ffff920000fee14
[  118.007043][ T1045] R13: 00000000000005dc R14: ffffc900007f7198 R15: ffff88800fcaaf08
[  118.007548][ T1045] FS:  00007fa1e6d92800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  118.008136][ T1045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.008556][ T1045] CR2: 00000000004a1738 CR3: 000000000be32004 CR4: 0000000000772ef0
[  118.009068][ T1045] PKRU: 55555554
[  118.009316][ T1045] Call Trace:
[  118.009582][ T1045]  <TASK>
[ 118.009754][ T1045] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.010110][ T1045] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.010449][ T1045] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.010885][ T1045] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.011235][ T1045] netif_set_mtu (net/core/dev.c:9652) 
[ 118.011578][ T1045] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.011922][ T1045] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.012406][ T1045] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.012666][ T1045] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.013135][ T1045] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.013520][ T1045] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.013854][ T1045] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.014203][ T1045] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.014547][ T1045] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.014873][ T1045] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.015226][ T1045] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.015598][ T1045] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.015943][ T1045] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.016292][ T1045] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.016639][ T1045] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.016981][ T1045] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.017330][ T1045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.017676][ T1045] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.018012][ T1045] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.018356][ T1045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.018696][ T1045] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.019029][ T1045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.019378][ T1045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.019730][ T1045] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.020068][ T1045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.020403][ T1045] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.020743][ T1045] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.021082][ T1045] ? 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) 
[ 118.021431][ T1045] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 118.021770][ T1045] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.022110][ T1045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.022451][ T1045] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.022788][ T1045] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.023132][ T1045] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.023479][ T1045] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.023816][ T1045] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.024160][ T1045] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.024575][ T1045] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.024914][ T1045] ___sys_sendmsg (net/socket.c:2670) 
[ 118.025261][ T1045] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.025598][ T1045] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.025931][ T1045] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.026270][ T1045] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.026614][ T1045] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.026959][ T1045] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.027307][ T1045] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.027662][ T1045] __sys_sendmsg (net/socket.c:2700) 
[ 118.027999][ T1045] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.028336][ T1045] ? 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) 
[ 118.028678][ T1045] ? 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) 
[ 118.029008][ T1045] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.029356][ T1045] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.029690][ T1045] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.030119][ T1045] RIP: 0033:0x7fa1e6f5f1e7
[ 118.030464][ T1045] 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)
[  118.031679][ T1045] RSP: 002b:00007ffc5e162258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.032203][ T1045] RAX: ffffffffffffffda RBX: 00007ffc5e162980 RCX: 00007fa1e6f5f1e7
[  118.032698][ T1045] RDX: 0000000000000000 RSI: 00007ffc5e1622c0 RDI: 0000000000000005
[  118.033203][ T1045] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.033710][ T1045] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc5e1629b8
[  118.034222][ T1045] R13: 00000000686e18c7 R14: 0000000000499600 R15: 0000000000000000
| [  118.228572][ T1047] ------------[ cut here ]------------
| [ 118.229260][ T1047] WARNING: CPU: 2 PID: 1047 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) 
| [  118.230394][ T1047] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.232447][ T1047] Tainted: [W]=WARN
[  118.232893][ T1047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.233629][ T1047] 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) 
[ 118.234224][ T1047] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  118.236206][ T1047] RSP: 0018:ffffc90000797080 EFLAGS: 00010246
[  118.236931][ T1047] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  118.237822][ T1047] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  118.238702][ T1047] RBP: ffffc90000797168 R08: 0000000000000000 R09: 0000000000000000
[  118.239619][ T1047] R10: ffffc90000797198 R11: ffffffff87ea8918 R12: 1ffff920000f2e14
[  118.240166][ T1047] R13: 00000000000005dc R14: ffffc90000797198 R15: ffff88800fcaaf08
[  118.240694][ T1047] FS:  00007fd67ba02800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  118.241274][ T1047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.241701][ T1047] CR2: 00000000004a1738 CR3: 000000000be32002 CR4: 0000000000772ef0
[  118.242198][ T1047] PKRU: 55555554
[  118.242449][ T1047] Call Trace:
[  118.242702][ T1047]  <TASK>
[ 118.242883][ T1047] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.243230][ T1047] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.243566][ T1047] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.244011][ T1047] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.244361][ T1047] netif_set_mtu (net/core/dev.c:9652) 
[ 118.244727][ T1047] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.245085][ T1047] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.245550][ T1047] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.245826][ T1047] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.246304][ T1047] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.246685][ T1047] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.247016][ T1047] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.247378][ T1047] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.247722][ T1047] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.248099][ T1047] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.248460][ T1047] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.248811][ T1047] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.249162][ T1047] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.249544][ T1047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.249882][ T1047] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.250239][ T1047] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.250575][ T1047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.250949][ T1047] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.251287][ T1047] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.251623][ T1047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.251989][ T1047] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.252341][ T1047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.252708][ T1047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.253064][ T1047] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.253406][ T1047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.253739][ T1047] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.254091][ T1047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.254437][ T1047] ? 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) 
[ 118.254776][ T1047] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 118.255118][ T1047] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.255447][ T1047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.255803][ T1047] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.256179][ T1047] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.256558][ T1047] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.256901][ T1047] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.257260][ T1047] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.257589][ T1047] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.258003][ T1047] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.258351][ T1047] ___sys_sendmsg (net/socket.c:2670) 
[ 118.258699][ T1047] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.259037][ T1047] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.259390][ T1047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.259731][ T1047] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.260107][ T1047] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.260483][ T1047] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.260816][ T1047] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.261176][ T1047] __sys_sendmsg (net/socket.c:2700) 
[ 118.261508][ T1047] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.261835][ T1047] ? 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) 
[ 118.262193][ T1047] ? 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) 
[ 118.262526][ T1047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.262860][ T1047] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.263210][ T1047] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.263620][ T1047] RIP: 0033:0x7fd67bbcf1e7
[ 118.264007][ T1047] 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)
[  118.265220][ T1047] RSP: 002b:00007fff370f5fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.265716][ T1047] RAX: ffffffffffffffda RBX: 00007fff370f66d0 RCX: 00007fd67bbcf1e7
[  118.266216][ T1047] RDX: 0000000000000000 RSI: 00007fff370f6010 RDI: 0000000000000005
[  118.266735][ T1047] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.267240][ T1047] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff370f6708
[  118.268003][ T1047] R13: 00000000686e18c7 R14: 0000000000499600 R15: 0000000000000000
| [  118.443542][ T1048] ------------[ cut here ]------------
| [ 118.443866][ 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) 
| [  118.444580][ T1048] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.445728][ T1048] Tainted: [W]=WARN
[  118.445997][ T1048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.446397][ 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) 
[ 118.446725][ T1048] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  118.447852][ T1048] RSP: 0000:ffffc90000807080 EFLAGS: 00010246
[  118.448285][ T1048] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  118.448757][ T1048] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  118.449235][ T1048] RBP: ffffc90000807168 R08: 0000000000000000 R09: 0000000000000000
[  118.449728][ T1048] R10: ffffc90000807198 R11: ffffffff87ea8918 R12: 1ffff92000100e14
[  118.450209][ T1048] R13: 00000000000005dc R14: ffffc90000807198 R15: ffff88800fcaaf08
[  118.450683][ T1048] FS:  00007f3c5df30800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  118.451236][ T1048] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.451630][ T1048] CR2: 00007f5f2ced0400 CR3: 000000000abfb006 CR4: 0000000000772ef0
[  118.452107][ T1048] PKRU: 55555554
[  118.452346][ T1048] Call Trace:
[  118.452585][ T1048]  <TASK>
[ 118.452750][ T1048] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.453082][ T1048] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.453400][ T1048] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.453797][ T1048] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.454125][ T1048] netif_set_mtu (net/core/dev.c:9652) 
[ 118.454443][ T1048] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.454773][ T1048] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.455233][ T1048] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.455475][ T1048] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.455909][ T1048] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.456283][ T1048] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.456603][ T1048] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.456926][ T1048] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.457252][ T1048] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.457566][ T1048] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.457889][ T1048] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.458217][ T1048] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.458539][ T1048] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.458856][ T1048] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.459189][ T1048] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.459531][ T1048] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.459850][ T1048] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.460182][ T1048] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.460497][ T1048] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.460815][ T1048] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.461144][ T1048] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.461467][ T1048] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.461786][ T1048] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.462113][ T1048] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.462431][ T1048] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.462746][ T1048] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.463079][ T1048] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.463410][ 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) 
[ 118.463727][ T1048] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 118.464044][ T1048] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.464364][ T1048] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.464688][ T1048] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.465011][ T1048] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.465338][ T1048] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.465662][ T1048] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.465980][ T1048] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.466300][ T1048] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.466696][ T1048] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.467020][ T1048] ___sys_sendmsg (net/socket.c:2670) 
[ 118.467344][ T1048] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.467661][ T1048] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.467979][ T1048] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.468307][ T1048] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.468626][ T1048] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.468944][ T1048] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.469271][ T1048] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.469627][ T1048] __sys_sendmsg (net/socket.c:2700) 
[ 118.469947][ T1048] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.470275][ 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) 
[ 118.470603][ 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) 
[ 118.470921][ T1048] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.471250][ T1048] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.471569][ T1048] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.471958][ T1048] RIP: 0033:0x7f3c5e0fd1e7
[ 118.472297][ 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)
[  118.473441][ T1048] RSP: 002b:00007ffe64e86a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.473919][ T1048] RAX: ffffffffffffffda RBX: 00007ffe64e87150 RCX: 00007f3c5e0fd1e7
[  118.474400][ T1048] RDX: 0000000000000000 RSI: 00007ffe64e86a90 RDI: 0000000000000005
[  118.474872][ T1048] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.475361][ T1048] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe64e87188
[  118.475836][ T1048] R13: 00000000686e18c8 R14: 0000000000499600 R15: 0000000000000000
| [  118.635881][ T1050] ------------[ cut here ]------------
| [ 118.636270][ T1050] WARNING: CPU: 3 PID: 1050 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) 
| [  118.636906][ T1050] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.638096][ T1050] Tainted: [W]=WARN
[  118.638337][ T1050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.638727][ T1050] 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) 
[ 118.639077][ T1050] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  118.640280][ T1050] RSP: 0018:ffffc900008a7080 EFLAGS: 00010246
[  118.640681][ T1050] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  118.641199][ T1050] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  118.641672][ T1050] RBP: ffffc900008a7168 R08: 0000000000000000 R09: 0000000000000000
[  118.642363][ T1050] R10: ffffc900008a7198 R11: ffffffff87ea8918 R12: 1ffff92000114e14
[  118.643235][ T1050] R13: 00000000000005dc R14: ffffc900008a7198 R15: ffff88800fcaaf08
[  118.644111][ T1050] FS:  00007f7144f4e800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  118.645133][ T1050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.645865][ T1050] CR2: 00007f71451625c0 CR3: 000000000abfb003 CR4: 0000000000772ef0
[  118.646746][ T1050] PKRU: 55555554
[  118.647188][ T1050] Call Trace:
[  118.647616][ T1050]  <TASK>
[ 118.647913][ T1050] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.648381][ T1050] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.648703][ T1050] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.649116][ T1050] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.649453][ T1050] netif_set_mtu (net/core/dev.c:9652) 
[ 118.649769][ T1050] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.650116][ T1050] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.650568][ T1050] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.650811][ T1050] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.651284][ T1050] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.651656][ T1050] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.652028][ T1050] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.652625][ T1050] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.653230][ T1050] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.653604][ T1050] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.653930][ T1050] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.654261][ T1050] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.654585][ T1050] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.654901][ T1050] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.655271][ T1050] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.655603][ T1050] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.655937][ T1050] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.656277][ T1050] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.656595][ T1050] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.656929][ T1050] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.657256][ T1050] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.657574][ T1050] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.657896][ T1050] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.658241][ T1050] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.658559][ T1050] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.658882][ T1050] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.659249][ T1050] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.659582][ T1050] ? 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) 
[ 118.659912][ T1050] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 118.660245][ T1050] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.660557][ T1050] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.660876][ T1050] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.661247][ T1050] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.661564][ T1050] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.661882][ T1050] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.662243][ T1050] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.662559][ T1050] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.663001][ T1050] ___sys_sendmsg (net/socket.c:2670) 
[ 118.663330][ T1050] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.663657][ T1050] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 118.664014][ T1050] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 118.664614][ T1050] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 118.665224][ T1050] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.665823][ T1050] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.666409][ T1050] __sys_sendmsg (net/socket.c:2700) 
[ 118.666987][ T1050] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.667602][ T1050] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.668196][ T1050] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.668778][ T1050] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.669518][ T1050] RIP: 0033:0x7f714511b1e7
[ 118.670011][ T1050] 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)
[  118.671555][ T1050] RSP: 002b:00007ffff06e0188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.672447][ T1050] RAX: ffffffffffffffda RBX: 00007ffff06e08b0 RCX: 00007f714511b1e7
[  118.672975][ T1050] RDX: 0000000000000000 RSI: 00007ffff06e01f0 RDI: 0000000000000005
[  118.673460][ T1050] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.673952][ T1050] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff06e08e8
[  118.674445][ T1050] R13: 00000000686e18c8 R14: 0000000000499600 R15: 0000000000000000
| [  118.826326][ T1053] ------------[ cut here ]------------
| [ 118.826638][ T1053] WARNING: CPU: 0 PID: 1053 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) 
| [  118.827367][ T1053] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.828554][ T1053] Tainted: [W]=WARN
[  118.828795][ T1053] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.829196][ T1053] 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) 
[ 118.829537][ T1053] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  118.830677][ T1053] RSP: 0018:ffffc900008b7080 EFLAGS: 00010246
[  118.831156][ T1053] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  118.831658][ T1053] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  118.832219][ T1053] RBP: ffffc900008b7168 R08: 0000000000000000 R09: 0000000000000000
[  118.832881][ T1053] R10: ffffc900008b7198 R11: ffffffff87ea8918 R12: 1ffff92000116e14
[  118.833384][ T1053] R13: 00000000000005dc R14: ffffc900008b7198 R15: ffff88800fcaaf08
[  118.833869][ T1053] FS:  00007fc13b01f800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  118.834541][ T1053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.834973][ T1053] CR2: 00000000004a1738 CR3: 000000000a9de006 CR4: 0000000000772ef0
[  118.835651][ T1053] PKRU: 55555554
[  118.835895][ T1053] Call Trace:
[  118.836166][ T1053]  <TASK>
[ 118.836404][ T1053] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.836728][ T1053] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.837063][ T1053] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.837502][ T1053] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.837823][ T1053] netif_set_mtu (net/core/dev.c:9652) 
[ 118.838154][ T1053] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.838497][ T1053] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.838940][ T1053] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.839194][ T1053] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.839771][ T1053] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.840165][ T1053] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.840591][ T1053] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.840974][ T1053] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.841318][ T1053] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.841655][ T1053] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.842133][ T1053] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.842570][ T1053] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.842964][ T1053] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.843461][ T1053] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.844032][ T1053] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.844616][ T1053] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.844941][ T1053] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.845341][ T1053] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.845759][ T1053] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.846198][ T1053] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.846757][ T1053] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.847345][ T1053] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.847916][ T1053] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.848514][ T1053] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.848929][ T1053] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.849278][ T1053] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.849714][ T1053] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.850087][ T1053] ? 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) 
[ 118.850509][ T1053] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 118.853158][ T1053] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.853594][ T1053] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.853985][ T1053] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.854507][ T1053] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.854924][ T1053] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.855277][ T1053] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.855623][ T1053] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.856183][ T1053] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.856676][ T1053] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.857239][ T1053] ___sys_sendmsg (net/socket.c:2670) 
[ 118.857801][ T1053] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.858134][ T1053] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.858689][ T1053] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.859003][ T1053] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.859356][ T1053] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.859680][ T1053] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.860230][ T1053] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.860830][ T1053] __sys_sendmsg (net/socket.c:2700) 
[ 118.861159][ T1053] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.861491][ T1053] ? 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) 
[ 118.861884][ T1053] ? 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) 
[ 118.862236][ T1053] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.862591][ T1053] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.862920][ T1053] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.863892][ T1053] RIP: 0033:0x7fc13b1ec1e7
[ 118.864234][ T1053] 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)
[  118.865388][ T1053] RSP: 002b:00007ffe1369f8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.865874][ T1053] RAX: ffffffffffffffda RBX: 00007ffe1369fff0 RCX: 00007fc13b1ec1e7
[  118.866621][ T1053] RDX: 0000000000000000 RSI: 00007ffe1369f930 RDI: 0000000000000005
[  118.867100][ T1053] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.867607][ T1053] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe136a0028
[  118.868799][ T1053] R13: 00000000686e18c8 R14: 0000000000499600 R15: 0000000000000000
| [  119.066448][ T1054] ------------[ cut here ]------------
| [ 119.066794][ T1054] WARNING: CPU: 2 PID: 1054 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) 
| [  119.067479][ T1054] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.068682][ T1054] Tainted: [W]=WARN
[  119.068967][ T1054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.069418][ T1054] 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) 
[ 119.069771][ T1054] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  119.070984][ T1054] RSP: 0018:ffffc900008d7080 EFLAGS: 00010246
[  119.071436][ T1054] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  119.071962][ T1054] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  119.072466][ T1054] RBP: ffffc900008d7168 R08: 0000000000000000 R09: 0000000000000000
[  119.072989][ T1054] R10: ffffc900008d7198 R11: ffffffff87ea8918 R12: 1ffff9200011ae14
[  119.073494][ T1054] R13: 00000000000005dc R14: ffffc900008d7198 R15: ffff88800fcaaf08
[  119.074020][ T1054] FS:  00007f0b6ea40800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  119.074598][ T1054] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.075016][ T1054] CR2: 00000000004a1738 CR3: 0000000004c9e002 CR4: 0000000000772ef0
[  119.075519][ T1054] PKRU: 55555554
[  119.075777][ T1054] Call Trace:
[  119.076028][ T1054]  <TASK>
[ 119.076215][ T1054] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.076558][ T1054] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.076893][ T1054] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.077358][ T1054] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.077695][ T1054] netif_set_mtu (net/core/dev.c:9652) 
[ 119.078026][ T1054] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.078379][ T1054] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.078844][ T1054] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.079107][ T1054] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.079580][ T1054] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.079957][ T1054] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.080294][ T1054] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.080629][ T1054] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.080995][ T1054] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.081347][ T1054] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.081676][ T1054] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.082005][ T1054] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.082355][ T1054] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.082679][ T1054] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.083011][ T1054] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.083358][ T1054] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.083691][ T1054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.084029][ T1054] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.084365][ T1054] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.084698][ T1054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.085077][ T1054] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.085423][ T1054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.085761][ T1054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.086104][ T1054] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.086451][ T1054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.086777][ T1054] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.087155][ T1054] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.087495][ T1054] ? 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) 
[ 119.087825][ T1054] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 119.088171][ T1054] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.088502][ T1054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.088831][ T1054] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.089211][ T1054] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.089558][ T1054] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.089897][ T1054] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.090258][ T1054] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.090609][ T1054] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.091034][ T1054] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.091400][ T1054] ___sys_sendmsg (net/socket.c:2670) 
[ 119.091751][ T1054] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.092105][ T1054] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.092461][ T1054] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.092798][ T1054] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.093198][ T1054] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.093543][ T1054] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.093887][ T1054] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.094261][ T1054] __sys_sendmsg (net/socket.c:2700) 
[ 119.094609][ T1054] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.094950][ T1054] ? 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) 
[ 119.095316][ T1054] ? 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) 
[ 119.095670][ T1054] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.096021][ T1054] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.096382][ T1054] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.096803][ T1054] RIP: 0033:0x7f0b6ec0d1e7
[ 119.097205][ T1054] 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)
[  119.098403][ T1054] RSP: 002b:00007fff5e49fde8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.098910][ T1054] RAX: ffffffffffffffda RBX: 00007fff5e4a0510 RCX: 00007f0b6ec0d1e7
[  119.099441][ T1054] RDX: 0000000000000000 RSI: 00007fff5e49fe50 RDI: 0000000000000005
[  119.099944][ T1054] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.100446][ T1054] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff5e4a0548
[  119.100970][ T1054] R13: 00000000686e18c8 R14: 0000000000499600 R15: 0000000000000000
| [  119.269348][ T1057] ------------[ cut here ]------------
| [ 119.269924][ T1057] WARNING: CPU: 0 PID: 1057 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) 
| [  119.271010][ T1057] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.272499][ T1057] Tainted: [W]=WARN
[  119.272805][ T1057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.273293][ T1057] 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) 
[ 119.273724][ T1057] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  119.275081][ T1057] RSP: 0018:ffffc900008e7080 EFLAGS: 00010246
[  119.275514][ T1057] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  119.276007][ T1057] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  119.276525][ T1057] RBP: ffffc900008e7168 R08: 0000000000000000 R09: 0000000000000000
[  119.277034][ T1057] R10: ffffc900008e7198 R11: ffffffff87ea8918 R12: 1ffff9200011ce14
[  119.277583][ T1057] R13: 00000000000005dc R14: ffffc900008e7198 R15: ffff88800fcaaf08
[  119.278091][ T1057] FS:  00007fe07c5b0800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  119.278905][ T1057] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.279407][ T1057] CR2: 00000000004a1738 CR3: 000000000286f005 CR4: 0000000000772ef0
[  119.279981][ T1057] PKRU: 55555554
[  119.280409][ T1057] Call Trace:
[  119.280668][ T1057]  <TASK>
[ 119.280839][ T1057] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.281194][ T1057] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.281561][ T1057] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.281972][ T1057] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.282323][ T1057] netif_set_mtu (net/core/dev.c:9652) 
[ 119.282707][ T1057] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.283058][ T1057] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.283536][ T1057] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.283786][ T1057] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.284247][ T1057] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.284643][ T1057] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.284976][ T1057] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.285324][ T1057] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.285683][ T1057] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.285995][ T1057] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.286331][ T1057] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.286693][ T1057] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.287023][ T1057] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.287355][ T1057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.287724][ T1057] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.288081][ T1057] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.288427][ T1057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.288778][ T1057] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.289121][ T1057] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.289502][ T1057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.289836][ T1057] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.290186][ T1057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.290558][ T1057] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.290894][ T1057] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.291230][ T1057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.291561][ T1057] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.291893][ T1057] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.292232][ T1057] ? 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) 
[ 119.292561][ T1057] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 119.292890][ T1057] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.293228][ T1057] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.293569][ T1057] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.293909][ T1057] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.294253][ T1057] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.294624][ T1057] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.294961][ T1057] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.295293][ T1057] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.295705][ T1057] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.296128][ T1057] ___sys_sendmsg (net/socket.c:2670) 
[ 119.296550][ T1057] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.296968][ T1057] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.297430][ T1057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.297843][ T1057] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.298283][ T1057] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.298712][ T1057] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.299211][ T1057] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.299637][ T1057] __sys_sendmsg (net/socket.c:2700) 
[ 119.299975][ T1057] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.300325][ T1057] ? 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) 
[ 119.300667][ T1057] ? 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) 
[ 119.301000][ T1057] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.301343][ T1057] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.301666][ T1057] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.302069][ T1057] RIP: 0033:0x7fe07c77d1e7
[ 119.302400][ T1057] 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)
[  119.303571][ T1057] RSP: 002b:00007ffd211eeca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.304062][ T1057] RAX: ffffffffffffffda RBX: 00007ffd211ef3d0 RCX: 00007fe07c77d1e7
[  119.304547][ T1057] RDX: 0000000000000000 RSI: 00007ffd211eed10 RDI: 0000000000000005
[  119.305030][ T1057] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.305534][ T1057] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd211ef408
[  119.306027][ T1057] R13: 00000000686e18c9 R14: 0000000000499600 R15: 0000000000000000
| [  119.486264][ T1058] ------------[ cut here ]------------
| [ 119.486604][ T1058] WARNING: CPU: 3 PID: 1058 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) 
| [  119.487576][ T1058] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.489100][ T1058] Tainted: [W]=WARN
[  119.489522][ T1058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.490146][ T1058] 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) 
[ 119.490654][ T1058] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  119.492539][ T1058] RSP: 0018:ffffc900008b7080 EFLAGS: 00010246
[  119.493251][ T1058] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  119.494125][ T1058] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  119.494974][ T1058] RBP: ffffc900008b7168 R08: 0000000000000000 R09: 0000000000000000
[  119.495849][ T1058] R10: ffffc900008b7198 R11: ffffffff87ea8918 R12: 1ffff92000116e14
[  119.496717][ T1058] R13: 00000000000005dc R14: ffffc900008b7198 R15: ffff88800fcaaf08
[  119.497583][ T1058] FS:  00007f8dbf049800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  119.498575][ T1058] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.499289][ T1058] CR2: 00000000004a1738 CR3: 000000000286f003 CR4: 0000000000772ef0
[  119.500102][ T1058] PKRU: 55555554
[  119.500374][ T1058] Call Trace:
[  119.500627][ T1058]  <TASK>
[ 119.500792][ T1058] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.501150][ T1058] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.501490][ T1058] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.501884][ T1058] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.502240][ T1058] netif_set_mtu (net/core/dev.c:9652) 
[ 119.502573][ T1058] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.502904][ T1058] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.503394][ T1058] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.503660][ T1058] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.504125][ T1058] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.504517][ T1058] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.504833][ T1058] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.505174][ T1058] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.505524][ T1058] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.505838][ T1058] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.506184][ T1058] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.506527][ T1058] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.506852][ T1058] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.507279][ T1058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.507788][ T1058] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.508141][ T1058] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.508467][ T1058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.508798][ T1058] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.509145][ T1058] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.509495][ T1058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.509854][ T1058] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.510208][ T1058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.510539][ T1058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.510901][ T1058] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.511249][ T1058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.511572][ T1058] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.511915][ T1058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.512264][ T1058] ? 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) 
[ 119.512596][ T1058] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 119.512947][ T1058] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.513289][ T1058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.513625][ T1058] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.513962][ T1058] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.514315][ T1058] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.514639][ T1058] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.514985][ T1058] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.515426][ T1058] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.515836][ T1058] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.516178][ T1058] ___sys_sendmsg (net/socket.c:2670) 
[ 119.516504][ T1058] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.516839][ T1058] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.517183][ T1058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.517507][ T1058] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.517828][ T1058] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.518188][ T1058] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.518502][ T1058] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.518871][ T1058] __sys_sendmsg (net/socket.c:2700) 
[ 119.519226][ T1058] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.519567][ T1058] ? 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) 
[ 119.519907][ T1058] ? 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) 
[ 119.520252][ T1058] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.520584][ T1058] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.520900][ T1058] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.521358][ T1058] RIP: 0033:0x7f8dbf2161e7
[ 119.521688][ T1058] 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)
[  119.522872][ T1058] RSP: 002b:00007ffd1a6ae3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.523750][ T1058] RAX: ffffffffffffffda RBX: 00007ffd1a6aeb00 RCX: 00007f8dbf2161e7
[  119.524263][ T1058] RDX: 0000000000000000 RSI: 00007ffd1a6ae440 RDI: 0000000000000005
[  119.524967][ T1058] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.525941][ T1058] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1a6aeb38
[  119.526686][ T1058] R13: 00000000686e18c9 R14: 0000000000499600 R15: 0000000000000000
| [  119.721244][ T1060] ------------[ cut here ]------------
| [ 119.721567][ T1060] WARNING: CPU: 3 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) 
| [  119.722330][ T1060] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.723482][ T1060] Tainted: [W]=WARN
[  119.723718][ T1060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.724136][ 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) 
[ 119.724495][ T1060] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  119.725775][ T1060] RSP: 0018:ffffc90000fd7080 EFLAGS: 00010246
[  119.726206][ T1060] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  119.726687][ T1060] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  119.727336][ T1060] RBP: ffffc90000fd7168 R08: 0000000000000000 R09: 0000000000000000
[  119.727932][ T1060] R10: ffffc90000fd7198 R11: ffffffff87ea8918 R12: 1ffff920001fae14
[  119.728433][ T1060] R13: 00000000000005dc R14: ffffc90000fd7198 R15: ffff88800fcaaf08
[  119.728997][ T1060] FS:  00007fe3af6cf800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  119.729602][ T1060] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.730029][ T1060] CR2: 00000000004a1738 CR3: 000000000ba20001 CR4: 0000000000772ef0
[  119.730534][ T1060] PKRU: 55555554
[  119.730806][ T1060] Call Trace:
[  119.731056][ T1060]  <TASK>
[ 119.731225][ T1060] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.731558][ T1060] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.731889][ T1060] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.732303][ T1060] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.732632][ T1060] netif_set_mtu (net/core/dev.c:9652) 
[ 119.732964][ T1060] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.733314][ T1060] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.733869][ T1060] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.734128][ T1060] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.734569][ T1060] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.735136][ T1060] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.735461][ T1060] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.735795][ T1060] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.736127][ T1060] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.736463][ T1060] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.736858][ T1060] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.737189][ T1060] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.737549][ T1060] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.737952][ T1060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.738382][ T1060] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.738797][ T1060] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.739171][ T1060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.739545][ T1060] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.739876][ T1060] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.740270][ T1060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.740654][ T1060] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.740994][ T1060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.741420][ T1060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.741769][ T1060] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.742161][ T1060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.742543][ T1060] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.743005][ T1060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.743438][ 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) 
[ 119.743852][ T1060] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 119.744238][ T1060] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.744632][ T1060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.745113][ T1060] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.745673][ T1060] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.746260][ T1060] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.746839][ T1060] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.747379][ T1060] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.747770][ T1060] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.748325][ T1060] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.748873][ T1060] ___sys_sendmsg (net/socket.c:2670) 
[ 119.749471][ T1060] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.749916][ T1060] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.750308][ T1060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.750756][ T1060] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.751327][ T1060] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.751887][ T1060] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.752476][ T1060] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.753087][ T1060] __sys_sendmsg (net/socket.c:2700) 
[ 119.753650][ T1060] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.754230][ 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) 
[ 119.754673][ 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) 
[ 119.755101][ T1060] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.755429][ T1060] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.755765][ T1060] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.756264][ T1060] RIP: 0033:0x7fe3af89c1e7
[ 119.756593][ 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)
[  119.758024][ T1060] RSP: 002b:00007ffca8725fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.758584][ T1060] RAX: ffffffffffffffda RBX: 00007ffca87266e0 RCX: 00007fe3af89c1e7
[  119.759175][ T1060] RDX: 0000000000000000 RSI: 00007ffca8726020 RDI: 0000000000000005
[  119.759757][ T1060] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.760249][ T1060] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca8726718
[  119.760752][ T1060] R13: 00000000686e18c9 R14: 0000000000499600 R15: 0000000000000000
| [  119.991864][ T1063] ------------[ cut here ]------------
| [ 119.992302][ T1063] WARNING: CPU: 3 PID: 1063 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) 
| [  119.992984][ T1063] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.994193][ T1063] Tainted: [W]=WARN
[  119.994451][ T1063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.994872][ T1063] 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) 
[ 119.995224][ T1063] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  119.996435][ T1063] RSP: 0018:ffffc90000597080 EFLAGS: 00010246
[  119.996841][ T1063] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  119.997328][ T1063] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  119.997815][ T1063] RBP: ffffc90000597168 R08: 0000000000000000 R09: 0000000000000000
[  119.998334][ T1063] R10: ffffc90000597198 R11: ffffffff87ea8918 R12: 1ffff920000b2e14
[  119.998828][ T1063] R13: 00000000000005dc R14: ffffc90000597198 R15: ffff88800fcaaf08
[  119.999369][ T1063] FS:  00007f05bd7f5800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  119.999981][ T1063] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.000411][ T1063] CR2: 00000000004a1738 CR3: 000000000ba20004 CR4: 0000000000772ef0
[  120.000917][ T1063] PKRU: 55555554
[  120.001171][ T1063] Call Trace:
[  120.001417][ T1063]  <TASK>
[ 120.001605][ T1063] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.001932][ T1063] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.002261][ T1063] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.002660][ T1063] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.003035][ T1063] netif_set_mtu (net/core/dev.c:9652) 
[ 120.003383][ T1063] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.003760][ T1063] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.004243][ T1063] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.004499][ T1063] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.004968][ T1063] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.005357][ T1063] do_set_master (net/core/rtnetlink.c:2948) 
[ 120.005693][ T1063] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 120.006029][ T1063] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 120.006375][ T1063] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 120.006715][ T1063] ? __dev_get_by_name (net/core/dev.c:865) 
[ 120.007059][ T1063] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.007402][ T1063] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.007741][ T1063] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.008079][ T1063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.008420][ T1063] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 120.008766][ T1063] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.009119][ T1063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.009484][ T1063] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.009828][ T1063] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.010183][ T1063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.010522][ T1063] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.010855][ T1063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.011197][ T1063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.011544][ T1063] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.011874][ T1063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.012213][ T1063] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.012559][ T1063] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.012891][ T1063] ? 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) 
[ 120.013247][ T1063] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 120.013612][ T1063] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.013953][ T1063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.014306][ T1063] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.014650][ T1063] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.014991][ T1063] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.015359][ T1063] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.015706][ T1063] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.016055][ T1063] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.016494][ T1063] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 120.016837][ T1063] ___sys_sendmsg (net/socket.c:2670) 
[ 120.017184][ T1063] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.017532][ T1063] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.017874][ T1063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.018224][ T1063] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.018573][ T1063] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.018914][ T1063] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.019264][ T1063] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.019638][ T1063] __sys_sendmsg (net/socket.c:2700) 
[ 120.019978][ T1063] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.020322][ T1063] ? 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) 
[ 120.020662][ T1063] ? 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) 
[ 120.021005][ T1063] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.021349][ T1063] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.021682][ T1063] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.022102][ T1063] RIP: 0033:0x7f05bd9c21e7
[ 120.022440][ T1063] 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)
[  120.023639][ T1063] RSP: 002b:00007ffc3407d228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.024151][ T1063] RAX: ffffffffffffffda RBX: 00007ffc3407d950 RCX: 00007f05bd9c21e7
[  120.024656][ T1063] RDX: 0000000000000000 RSI: 00007ffc3407d290 RDI: 0000000000000005
[  120.025158][ T1063] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  120.025656][ T1063] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc3407d988
[  120.026184][ T1063] R13: 00000000686e18c9 R14: 0000000000499600 R15: 0000000000000000
| [  120.234934][ T1065] ------------[ cut here ]------------
| [ 120.235547][ T1065] WARNING: CPU: 1 PID: 1065 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) 
| [  120.236362][ T1065] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  120.237599][ T1065] Tainted: [W]=WARN
[  120.237837][ T1065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.238238][ T1065] 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) 
[ 120.238561][ T1065] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  120.239704][ T1065] RSP: 0018:ffffc90000817080 EFLAGS: 00010246
[  120.240108][ T1065] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  120.240579][ T1065] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  120.241061][ T1065] RBP: ffffc90000817168 R08: 0000000000000000 R09: 0000000000000000
[  120.241540][ T1065] R10: ffffc90000817198 R11: ffffffff87ea8918 R12: 1ffff92000102e14
[  120.242005][ T1065] R13: 00000000000005dc R14: ffffc90000817198 R15: ffff88800fcaaf08
[  120.242479][ T1065] FS:  00007f8cbd2c0800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  120.243026][ T1065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.243431][ T1065] CR2: 00007fd868b067c1 CR3: 0000000004d71003 CR4: 0000000000772ef0
[  120.243902][ T1065] PKRU: 55555554
[  120.244147][ T1065] Call Trace:
[  120.244383][ T1065]  <TASK>
[ 120.244544][ T1065] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.244865][ T1065] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.245190][ T1065] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.245581][ T1065] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.245899][ T1065] netif_set_mtu (net/core/dev.c:9652) 
[ 120.246228][ T1065] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.246573][ T1065] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.247018][ T1065] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.247268][ T1065] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.247699][ T1065] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.248073][ T1065] do_set_master (net/core/rtnetlink.c:2948) 
[ 120.248390][ T1065] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 120.248707][ T1065] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 120.249026][ T1065] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 120.249358][ T1065] ? __dev_get_by_name (net/core/dev.c:865) 
[ 120.249674][ T1065] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.249988][ T1065] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.250314][ T1065] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.250628][ T1065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.250949][ T1065] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 120.251302][ T1065] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.251625][ T1065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.251953][ T1065] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.252277][ T1065] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.252596][ T1065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.252915][ T1065] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.253239][ T1065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.253561][ T1065] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.253936][ T1065] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.254285][ T1065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.254616][ T1065] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.254958][ T1065] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.255299][ T1065] ? 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) 
[ 120.255641][ T1065] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 120.255991][ T1065] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.256339][ T1065] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.256681][ T1065] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.257018][ T1065] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.257358][ T1065] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.257701][ T1065] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.258037][ T1065] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.258386][ T1065] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.258837][ T1065] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 120.259189][ T1065] ___sys_sendmsg (net/socket.c:2670) 
[ 120.259564][ T1065] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.259881][ T1065] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.260210][ T1065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.260532][ T1065] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.260854][ T1065] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.261182][ T1065] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.261497][ T1065] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.261827][ T1065] __sys_sendmsg (net/socket.c:2700) 
[ 120.262152][ T1065] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.262466][ T1065] ? 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) 
[ 120.262786][ T1065] ? 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) 
[ 120.263118][ T1065] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.263446][ T1065] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.263763][ T1065] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.264161][ T1065] RIP: 0033:0x7f8cbd48d1e7
[ 120.264493][ T1065] 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)
[  120.265629][ T1065] RSP: 002b:00007ffc362ca798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.266161][ T1065] RAX: ffffffffffffffda RBX: 00007ffc362caec0 RCX: 00007f8cbd48d1e7
[  120.266639][ T1065] RDX: 0000000000000000 RSI: 00007ffc362ca800 RDI: 0000000000000005
[  120.267141][ T1065] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  120.267614][ T1065] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc362caef8
[  120.268094][ T1065] R13: 00000000686e18c9 R14: 0000000000499600 R15: 0000000000000000
| [  120.421197][ T1066] ------------[ cut here ]------------
| [ 120.421538][ T1066] WARNING: CPU: 3 PID: 1066 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) 
| [  120.422297][ T1066] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  120.423521][ T1066] Tainted: [W]=WARN
[  120.423771][ T1066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.424195][ T1066] 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) 
[ 120.424535][ T1066] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  120.425720][ T1066] RSP: 0018:ffffc90000727080 EFLAGS: 00010246
[  120.426150][ T1066] RAX: 0000000000000000 RBX: ffff88800fcaa000 RCX: 0000000000000001
[  120.426643][ T1066] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  120.427148][ T1066] RBP: ffffc90000727168 R08: 0000000000000000 R09: 0000000000000000
[  120.427645][ T1066] R10: ffffc90000727198 R11: ffffffff87ea8918 R12: 1ffff920000e4e14
[  120.428154][ T1066] R13: 00000000000005dc R14: ffffc90000727198 R15: ffff88800fcaaf08
[  120.428649][ T1066] FS:  00007f3ef2233800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  120.429275][ T1066] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.429711][ T1066] CR2: 00000000004a1738 CR3: 000000000983a004 CR4: 0000000000772ef0
[  120.430225][ T1066] PKRU: 55555554
[  120.430477][ T1066] Call Trace:
[  120.430754][ T1066]  <TASK>
[ 120.430929][ T1066] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.431282][ T1066] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.431619][ T1066] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.432040][ T1066] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.432419][ T1066] netif_set_mtu (net/core/dev.c:9652) 
[ 120.432776][ T1066] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.433139][ T1066] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.433610][ T1066] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.433867][ T1066] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.434330][ T1066] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.434710][ T1066] do_set_master (net/core/rtnetlink.c:2948) 
[ 120.435053][ T1066] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 120.435388][ T1066] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 120.435731][ T1066] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 120.436080][ T1066] ? __dev_get_by_name (net/core/dev.c:865) 
[ 120.436428][ T1066] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.436771][ T1066] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.437121][ T1066] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.437451][ T1066] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.437787][ T1066] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 120.438137][ T1066] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.438473][ T1066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.438816][ T1066] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.439154][ T1066] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.439502][ T1066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.439838][ T1066] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.440178][ T1066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.440513][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.440852][ T1066] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.441197][ T1066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.441529][ T1066] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.441872][ T1066] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.442208][ T1066] ? 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) 
[ 120.442544][ T1066] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 120.442882][ T1066] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.443221][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.443559][ T1066] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.443894][ T1066] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.444234][ T1066] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.444581][ T1066] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.444921][ T1066] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.445260][ T1066] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.445676][ T1066] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 120.446016][ T1066] ___sys_sendmsg (net/socket.c:2670) 
[ 120.446358][ T1066] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.446696][ T1066] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.447037][ T1066] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.447391][ T1066] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.447738][ T1066] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.448091][ T1066] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.448452][ T1066] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.448804][ T1066] __sys_sendmsg (net/socket.c:2700) 
[ 120.449150][ T1066] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.449502][ T1066] ? 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) 
[ 120.449854][ T1066] ? 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) 
[ 120.450206][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.450557][ T1066] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.450901][ T1066] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.451326][ T1066] RIP: 0033:0x7f3ef24001e7
[ 120.451675][ T1066] 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)
[  120.452882][ T1066] RSP: 002b:00007fffdd792208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.453408][ T1066] RAX: ffffffffffffffda RBX: 00007fffdd792930 RCX: 00007f3ef24001e7
[  120.453918][ T1066] RDX: 0000000000000000 RSI: 00007fffdd792270 RDI: 0000000000000005
[  120.454424][ T1066] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  120.454932][ T1066] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffdd792968
[  120.455459][ T1066] R13: 00000000686e18ca R14: 0000000000499600 R15: 0000000000000000
| [  155.987277][ T1288] ------------[ cut here ]------------
| [ 155.987617][ 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) 
| [  155.988780][ T1288] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  155.990001][ T1288] Tainted: [W]=WARN
[  155.990261][ T1288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 155.990679][ 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) 
[ 155.991025][ T1288] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  155.992227][ T1288] RSP: 0000:ffffc90000fe7080 EFLAGS: 00010246
[  155.992664][ T1288] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  155.993168][ T1288] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  155.993668][ T1288] RBP: ffffc90000fe7168 R08: 0000000000000000 R09: 0000000000000000
[  155.994165][ T1288] R10: ffffc90000fe7198 R11: ffffffff87ea8918 R12: 1ffff920001fce14
[  155.994664][ T1288] R13: 00000000000005dc R14: ffffc90000fe7198 R15: ffff88800f862f08
[  155.995167][ T1288] FS:  00007f8be3217800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  155.995745][ T1288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  155.996167][ T1288] CR2: 000055aaa428f578 CR3: 000000000b3d6003 CR4: 0000000000772ef0
[  155.996662][ T1288] PKRU: 55555554
[  155.996915][ T1288] Call Trace:
[  155.997168][ T1288]  <TASK>
[ 155.997342][ T1288] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 155.997680][ T1288] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 155.998018][ T1288] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 155.998437][ T1288] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 155.998776][ T1288] netif_set_mtu (net/core/dev.c:9652) 
[ 155.999119][ T1288] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 155.999544][ T1288] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 156.000021][ T1288] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.000294][ T1288] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.000743][ T1288] br_add_if (net/bridge/br_if.c:697) bridge 
[ 156.001129][ T1288] do_set_master (net/core/rtnetlink.c:2948) 
[ 156.001466][ T1288] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 156.001803][ T1288] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 156.002147][ T1288] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 156.002482][ T1288] ? __dev_get_by_name (net/core/dev.c:865) 
[ 156.002815][ T1288] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.003166][ T1288] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.003505][ T1288] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.003834][ T1288] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.004182][ T1288] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 156.004526][ T1288] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.004866][ T1288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.005203][ T1288] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.005545][ T1288] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 156.005967][ T1288] ? rcu_read_unlock_special (kernel/rcu/tree_plugin.h:651 (discriminator 1)) 
[ 156.006310][ T1288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.006646][ T1288] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.006980][ T1288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.007328][ T1288] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.007665][ T1288] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.008006][ T1288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.008350][ T1288] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.008695][ T1288] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.009027][ 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) 
[ 156.009381][ T1288] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 156.009726][ T1288] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.010067][ T1288] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.010408][ T1288] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.010751][ T1288] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.011095][ T1288] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.011449][ T1288] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.011788][ T1288] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.012127][ T1288] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.012547][ T1288] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 156.012885][ T1288] ___sys_sendmsg (net/socket.c:2670) 
[ 156.013232][ T1288] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.013564][ T1288] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 156.013902][ T1288] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.014240][ T1288] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 156.014584][ T1288] ? __handle_mm_fault (mm/memory.c:6212) 
[ 156.014922][ T1288] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 156.015263][ T1288] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 156.015612][ T1288] __sys_sendmsg (net/socket.c:2700) 
[ 156.015942][ T1288] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.016286][ 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) 
[ 156.016623][ 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) 
[ 156.016955][ T1288] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.017295][ T1288] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.017624][ T1288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.018034][ T1288] RIP: 0033:0x7f8be33e41e7
[ 156.018389][ T1288] 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)
[  156.019597][ T1288] RSP: 002b:00007ffd720c5a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.020109][ T1288] RAX: ffffffffffffffda RBX: 00007ffd720c61a0 RCX: 00007f8be33e41e7
[  156.020604][ T1288] RDX: 0000000000000000 RSI: 00007ffd720c5ae0 RDI: 0000000000000005
[  156.021108][ T1288] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  156.021609][ T1288] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd720c61d8
[  156.022109][ T1288] R13: 00000000686e18ed R14: 0000000000499600 R15: 0000000000000000
| [  156.174214][ T1289] ------------[ cut here ]------------
| [ 156.174530][ T1289] WARNING: CPU: 0 PID: 1289 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) 
| [  156.175178][ T1289] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  156.176323][ T1289] Tainted: [W]=WARN
[  156.176561][ T1289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 156.176952][ T1289] 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) 
[ 156.177282][ T1289] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  156.178404][ T1289] RSP: 0018:ffffc90000ff7080 EFLAGS: 00010246
[  156.178799][ T1289] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  156.179276][ T1289] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  156.179763][ T1289] RBP: ffffc90000ff7168 R08: 0000000000000000 R09: 0000000000000000
[  156.180242][ T1289] R10: ffffc90000ff7198 R11: ffffffff87ea8918 R12: 1ffff920001fee14
[  156.180707][ T1289] R13: 00000000000005dc R14: ffffc90000ff7198 R15: ffff88800f862f08
[  156.181184][ T1289] FS:  00007f26944cf800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  156.181731][ T1289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.182139][ T1289] CR2: 00007f26946e35c0 CR3: 0000000004f61005 CR4: 0000000000772ef0
[  156.182618][ T1289] PKRU: 55555554
[  156.182852][ T1289] Call Trace:
[  156.183095][ T1289]  <TASK>
[ 156.183263][ T1289] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 156.183581][ T1289] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 156.183898][ T1289] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 156.184305][ T1289] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 156.184623][ T1289] netif_set_mtu (net/core/dev.c:9652) 
[ 156.184935][ T1289] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 156.185272][ T1289] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 156.185716][ T1289] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.185958][ T1289] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.186395][ T1289] br_add_if (net/bridge/br_if.c:697) bridge 
[ 156.186759][ T1289] do_set_master (net/core/rtnetlink.c:2948) 
[ 156.187082][ T1289] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 156.187399][ T1289] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 156.187716][ T1289] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 156.188031][ T1289] ? __dev_get_by_name (net/core/dev.c:865) 
[ 156.188355][ T1289] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.188670][ T1289] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.188990][ T1289] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.189311][ T1289] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.189643][ T1289] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 156.189973][ T1289] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.190306][ T1289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.190637][ T1289] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 156.190951][ T1289] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.191300][ T1289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.191617][ T1289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.191939][ T1289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.192270][ T1289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.192591][ T1289] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.192907][ T1289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.193237][ T1289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.193563][ T1289] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.193879][ T1289] ? 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) 
[ 156.194206][ T1289] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 156.194525][ T1289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.194844][ T1289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.195172][ T1289] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.195489][ T1289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.195803][ T1289] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.196140][ T1289] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.196461][ T1289] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.196779][ T1289] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.197192][ T1289] ___sys_sendmsg (net/socket.c:2670) 
[ 156.197518][ T1289] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.197836][ T1289] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 156.198164][ T1289] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 156.198477][ T1289] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 156.198796][ T1289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.199133][ T1289] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 156.199465][ T1289] __sys_sendmsg (net/socket.c:2700) 
[ 156.199779][ T1289] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.200115][ T1289] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.200430][ T1289] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.200748][ T1289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.201151][ T1289] RIP: 0033:0x7f269469c1e7
[ 156.201475][ T1289] 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)
[  156.202603][ T1289] RSP: 002b:00007ffde0d395a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.203084][ T1289] RAX: ffffffffffffffda RBX: 00007ffde0d39cd0 RCX: 00007f269469c1e7
[  156.203553][ T1289] RDX: 0000000000000000 RSI: 00007ffde0d39610 RDI: 0000000000000005
[  156.204028][ T1289] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  156.204508][ T1289] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffde0d39d08
[  156.204980][ T1289] R13: 00000000686e18ed R14: 0000000000499600 R15: 0000000000000000
| [  156.359734][ T1292] ------------[ cut here ]------------
| [ 156.360067][ 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) 
| [  156.360696][ T1292] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  156.361840][ T1292] Tainted: [W]=WARN
[  156.362102][ T1292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 156.362494][ 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) 
[ 156.362815][ T1292] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  156.363956][ T1292] RSP: 0018:ffffc90001007080 EFLAGS: 00010246
[  156.364356][ T1292] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  156.364828][ T1292] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  156.365304][ T1292] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000
[  156.365775][ T1292] R10: ffffc90001007198 R11: ffffffff87ea8918 R12: 1ffff92000200e14
[  156.366254][ T1292] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff88800f862f08
[  156.366723][ T1292] FS:  00007f35409f4800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  156.367289][ T1292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.367690][ T1292] CR2: 00000000004a1738 CR3: 0000000004f61003 CR4: 0000000000772ef0
[  156.368172][ T1292] PKRU: 55555554
[  156.368408][ T1292] Call Trace:
[  156.368645][ T1292]  <TASK>
[ 156.368807][ T1292] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 156.369139][ T1292] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 156.369470][ T1292] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 156.369870][ T1292] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 156.370201][ T1292] netif_set_mtu (net/core/dev.c:9652) 
[ 156.370521][ T1292] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 156.370845][ T1292] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 156.371312][ T1292] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.371559][ T1292] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.372036][ T1292] br_add_if (net/bridge/br_if.c:697) bridge 
[ 156.372430][ T1292] do_set_master (net/core/rtnetlink.c:2948) 
[ 156.372757][ T1292] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 156.373091][ T1292] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 156.373412][ T1292] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 156.373721][ T1292] ? __dev_get_by_name (net/core/dev.c:865) 
[ 156.374036][ T1292] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.374365][ T1292] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.374685][ T1292] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.374995][ T1292] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.375325][ T1292] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 156.375649][ T1292] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.376002][ T1292] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.376490][ T1292] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 156.376801][ T1292] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.377293][ T1292] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.377608][ T1292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.377931][ T1292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.378387][ T1292] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.378709][ T1292] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.379023][ T1292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.379346][ T1292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.379696][ T1292] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.380039][ 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) 
[ 156.380366][ T1292] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 156.380696][ T1292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.381020][ T1292] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.381352][ T1292] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.381671][ T1292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.381993][ T1292] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.382323][ T1292] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.382642][ T1292] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.382962][ T1292] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.383381][ T1292] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 156.383706][ T1292] ___sys_sendmsg (net/socket.c:2670) 
[ 156.384031][ T1292] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.384362][ T1292] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 156.384679][ T1292] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.384995][ T1292] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 156.385333][ T1292] ? __handle_mm_fault (mm/memory.c:6212) 
[ 156.385672][ T1292] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 156.386000][ T1292] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 156.386365][ T1292] __sys_sendmsg (net/socket.c:2700) 
[ 156.386706][ T1292] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.387043][ 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) 
[ 156.387395][ 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) 
[ 156.387727][ T1292] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.388074][ T1292] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.388417][ T1292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.388825][ T1292] RIP: 0033:0x7f3540bc11e7
[ 156.389177][ 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)
[  156.390368][ T1292] RSP: 002b:00007fffb9513b08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.390881][ T1292] RAX: ffffffffffffffda RBX: 00007fffb9514230 RCX: 00007f3540bc11e7
[  156.391386][ T1292] RDX: 0000000000000000 RSI: 00007fffb9513b70 RDI: 0000000000000005
[  156.391880][ T1292] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  156.392383][ T1292] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb9514268
[  156.392886][ T1292] R13: 00000000686e18ee R14: 0000000000499600 R15: 0000000000000000
| [  156.568511][ T1294] ------------[ cut here ]------------
| [ 156.568829][ T1294] WARNING: CPU: 1 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) 
| [  156.569522][ T1294] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  156.570655][ T1294] Tainted: [W]=WARN
[  156.570891][ T1294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 156.571444][ 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) 
[ 156.571775][ T1294] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  156.573038][ T1294] RSP: 0018:ffffc90001007080 EFLAGS: 00010246
[  156.573581][ T1294] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  156.574045][ T1294] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  156.574662][ T1294] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000
[  156.575272][ T1294] R10: ffffc90001007198 R11: ffffffff87ea8918 R12: 1ffff92000200e14
[  156.575737][ T1294] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff88800f862f08
[  156.576352][ T1294] FS:  00007f6c5901b800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  156.576991][ T1294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.577529][ T1294] CR2: 00000000004a1738 CR3: 000000000b121002 CR4: 0000000000772ef0
[  156.577995][ T1294] PKRU: 55555554
[  156.578375][ T1294] Call Trace:
[  156.578611][ T1294]  <TASK>
[ 156.578773][ T1294] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 156.579236][ T1294] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 156.579574][ T1294] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 156.579967][ T1294] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 156.580426][ T1294] netif_set_mtu (net/core/dev.c:9652) 
[ 156.580739][ T1294] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 156.581113][ T1294] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 156.581548][ T1294] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.581787][ T1294] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.582240][ T1294] br_add_if (net/bridge/br_if.c:697) bridge 
[ 156.582598][ T1294] do_set_master (net/core/rtnetlink.c:2948) 
[ 156.582917][ T1294] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 156.583241][ T1294] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 156.583555][ T1294] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 156.583864][ T1294] ? __dev_get_by_name (net/core/dev.c:865) 
[ 156.584184][ T1294] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.584517][ T1294] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.584837][ T1294] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.585156][ T1294] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.585515][ T1294] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 156.585852][ T1294] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.586199][ T1294] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.586541][ T1294] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 156.586873][ T1294] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.587220][ T1294] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.587546][ T1294] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.587880][ T1294] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.588218][ T1294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.588552][ T1294] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.588876][ T1294] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.589197][ T1294] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.589539][ T1294] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.589852][ 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) 
[ 156.590178][ T1294] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 156.590496][ T1294] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.590810][ T1294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.591136][ T1294] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.591454][ T1294] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.591771][ T1294] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.592101][ T1294] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.592419][ T1294] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.592747][ T1294] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.593167][ T1294] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 156.593504][ T1294] ___sys_sendmsg (net/socket.c:2670) 
[ 156.593835][ T1294] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.594178][ T1294] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 156.594511][ T1294] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.594839][ T1294] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 156.595180][ T1294] ? __handle_mm_fault (mm/memory.c:6212) 
[ 156.595511][ T1294] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 156.595835][ T1294] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 156.596190][ T1294] __sys_sendmsg (net/socket.c:2700) 
[ 156.596517][ T1294] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.596842][ 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) 
[ 156.597189][ 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) 
[ 156.597519][ T1294] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.597852][ T1294] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.598185][ T1294] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.598578][ T1294] RIP: 0033:0x7f6c591e81e7
[ 156.598905][ 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)
[  156.600044][ T1294] RSP: 002b:00007ffd8323a088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.600523][ T1294] RAX: ffffffffffffffda RBX: 00007ffd8323a7b0 RCX: 00007f6c591e81e7
[  156.601004][ T1294] RDX: 0000000000000000 RSI: 00007ffd8323a0f0 RDI: 0000000000000005
[  156.601503][ T1294] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  156.601992][ T1294] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd8323a7e8
[  156.602487][ T1294] R13: 00000000686e18ee R14: 0000000000499600 R15: 0000000000000000
| [  156.772584][ T1298] ------------[ cut here ]------------
| [ 156.772910][ T1298] WARNING: CPU: 3 PID: 1298 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) 
| [  156.773574][ T1298] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  156.774771][ T1298] Tainted: [W]=WARN
[  156.775016][ T1298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 156.775419][ T1298] 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) 
[ 156.775752][ T1298] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  156.776922][ T1298] RSP: 0018:ffffc90001017080 EFLAGS: 00010246
[  156.777338][ T1298] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  156.777816][ T1298] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  156.778303][ T1298] RBP: ffffc90001017168 R08: 0000000000000000 R09: 0000000000000000
[  156.778780][ T1298] R10: ffffc90001017198 R11: ffffffff87ea8918 R12: 1ffff92000202e14
[  156.779269][ T1298] R13: 00000000000005dc R14: ffffc90001017198 R15: ffff88800f862f08
[  156.779765][ T1298] FS:  00007f1aadc6b800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  156.780323][ T1298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.780731][ T1298] CR2: 00007fb4a9be426f CR3: 000000000f013003 CR4: 0000000000772ef0
[  156.781240][ T1298] PKRU: 55555554
[  156.781481][ T1298] Call Trace:
[  156.781737][ T1298]  <TASK>
[ 156.781906][ T1298] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 156.782259][ T1298] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 156.782594][ T1298] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 156.782993][ T1298] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 156.783324][ T1298] netif_set_mtu (net/core/dev.c:9652) 
[ 156.783644][ T1298] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 156.783982][ T1298] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 156.784433][ T1298] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.784684][ T1298] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.785127][ T1298] br_add_if (net/bridge/br_if.c:697) bridge 
[ 156.785499][ T1298] do_set_master (net/core/rtnetlink.c:2948) 
[ 156.785847][ T1298] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 156.786176][ T1298] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 156.786495][ T1298] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 156.786821][ T1298] ? __dev_get_by_name (net/core/dev.c:865) 
[ 156.787158][ T1298] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.787475][ T1298] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.787804][ T1298] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.788129][ T1298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.788458][ T1298] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 156.789026][ T1298] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.789355][ T1298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.789708][ T1298] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 156.790031][ T1298] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.790355][ T1298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.790669][ T1298] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.790984][ T1298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.791533][ T1298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.791851][ T1298] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.792187][ T1298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.792519][ T1298] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.792852][ T1298] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.793681][ T1298] ? 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) 
[ 156.793999][ T1298] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 156.794323][ T1298] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.794635][ T1298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.795421][ T1298] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.795743][ T1298] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.796293][ T1298] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.796629][ T1298] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.796947][ T1298] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.797268][ T1298] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.797673][ T1298] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 156.798001][ T1298] ___sys_sendmsg (net/socket.c:2670) 
[ 156.798554][ T1298] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.798871][ T1298] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 156.799196][ T1298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.799523][ T1298] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 156.799848][ T1298] ? __handle_mm_fault (mm/memory.c:6212) 
[ 156.800174][ T1298] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 156.800486][ T1298] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 156.800837][ T1298] __sys_sendmsg (net/socket.c:2700) 
[ 156.801163][ T1298] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.801479][ T1298] ? 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) 
[ 156.802037][ T1298] ? 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) 
[ 156.802390][ T1298] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.802713][ T1298] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.803030][ T1298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.803429][ T1298] RIP: 0033:0x7f1aade381e7
[ 156.804721][ T1298] 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)
[  156.805864][ T1298] RSP: 002b:00007ffdc341c6f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.806347][ T1298] RAX: ffffffffffffffda RBX: 00007ffdc341ce20 RCX: 00007f1aade381e7
[  156.806917][ T1298] RDX: 0000000000000000 RSI: 00007ffdc341c760 RDI: 0000000000000005
[  156.807397][ T1298] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  156.807869][ T1298] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc341ce58
[  156.808346][ T1298] R13: 00000000686e18ee R14: 0000000000499600 R15: 0000000000000000
| [  156.963368][ T1300] ------------[ cut here ]------------
| [ 156.963708][ T1300] WARNING: CPU: 2 PID: 1300 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) 
| [  156.965394][ T1300] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  156.966581][ T1300] Tainted: [W]=WARN
[  156.966835][ T1300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 156.967254][ T1300] 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) 
[ 156.967601][ T1300] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  156.968751][ T1300] RSP: 0018:ffffc90001027080 EFLAGS: 00010246
[  156.969178][ T1300] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  156.969756][ T1300] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  156.970252][ T1300] RBP: ffffc90001027168 R08: 0000000000000000 R09: 0000000000000000
[  156.970745][ T1300] R10: ffffc90001027198 R11: ffffffff87ea8918 R12: 1ffff92000204e14
[  156.971330][ T1300] R13: 00000000000005dc R14: ffffc90001027198 R15: ffff88800f862f08
[  156.971817][ T1300] FS:  00007f076f3a4800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  156.972384][ T1300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.972807][ T1300] CR2: 00000000004a1738 CR3: 000000000b9a5003 CR4: 0000000000772ef0
[  156.973306][ T1300] PKRU: 55555554
[  156.973557][ T1300] Call Trace:
[  156.973803][ T1300]  <TASK>
[ 156.973991][ T1300] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 156.974336][ T1300] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 156.974671][ T1300] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 156.975089][ T1300] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 156.975422][ T1300] netif_set_mtu (net/core/dev.c:9652) 
[ 156.975751][ T1300] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 156.976096][ T1300] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 156.976646][ T1300] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.976904][ T1300] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.977364][ T1300] br_add_if (net/bridge/br_if.c:697) bridge 
[ 156.977741][ T1300] do_set_master (net/core/rtnetlink.c:2948) 
[ 156.978101][ T1300] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 156.978448][ T1300] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 156.978791][ T1300] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 156.979142][ T1300] ? __dev_get_by_name (net/core/dev.c:865) 
[ 156.979492][ T1300] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.979841][ T1300] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.980222][ T1300] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.980551][ T1300] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.980912][ T1300] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 156.981275][ T1300] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.981625][ T1300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.981993][ T1300] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 156.982348][ T1300] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.982703][ T1300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.983062][ T1300] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.983413][ T1300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.983756][ T1300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.984119][ T1300] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.984481][ T1300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.984827][ T1300] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.985194][ T1300] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.985540][ T1300] ? 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) 
[ 156.985906][ T1300] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 156.986275][ T1300] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.986621][ T1300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.986990][ T1300] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.987350][ T1300] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.987716][ T1300] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.988101][ T1300] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.988463][ T1300] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.988823][ T1300] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.989267][ T1300] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 156.989636][ T1300] ___sys_sendmsg (net/socket.c:2670) 
[ 156.989998][ T1300] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.990361][ T1300] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 156.990729][ T1300] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.991107][ T1300] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 156.991462][ T1300] ? __handle_mm_fault (mm/memory.c:6212) 
[ 156.991822][ T1300] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 156.992194][ T1300] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 156.992558][ T1300] __sys_sendmsg (net/socket.c:2700) 
[ 156.992925][ T1300] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.993277][ T1300] ? 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) 
[ 156.993637][ T1300] ? 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) 
[ 156.993998][ T1300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.994353][ T1300] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.994700][ T1300] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.995452][ T1300] RIP: 0033:0x7f076f5711e7
[ 156.995958][ T1300] 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)
[  156.997918][ T1300] RSP: 002b:00007fff17cb3918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.998613][ T1300] RAX: ffffffffffffffda RBX: 00007fff17cb4040 RCX: 00007f076f5711e7
[  156.999423][ T1300] RDX: 0000000000000000 RSI: 00007fff17cb3980 RDI: 0000000000000005
[  157.000335][ T1300] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  157.001258][ T1300] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff17cb4078
[  157.002173][ T1300] R13: 00000000686e18ee R14: 0000000000499600 R15: 0000000000000000
| [  157.199576][ T1301] ------------[ cut here ]------------
| [ 157.199895][ T1301] WARNING: CPU: 3 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) 
| [  157.200558][ T1301] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  157.201702][ T1301] Tainted: [W]=WARN
[  157.201939][ T1301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.202339][ 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) 
[ 157.202660][ T1301] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  157.203790][ T1301] RSP: 0018:ffffc90001047080 EFLAGS: 00010246
[  157.204192][ T1301] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  157.204671][ T1301] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  157.205157][ T1301] RBP: ffffc90001047168 R08: 0000000000000000 R09: 0000000000000000
[  157.205656][ T1301] R10: ffffc90001047198 R11: ffffffff87ea8918 R12: 1ffff92000208e14
[  157.206135][ T1301] R13: 00000000000005dc R14: ffffc90001047198 R15: ffff88800f862f08
[  157.206604][ T1301] FS:  00007f26b0048800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  157.207158][ T1301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  157.207552][ T1301] CR2: 00000000004a1738 CR3: 000000000b9a5003 CR4: 0000000000772ef0
[  157.208026][ T1301] PKRU: 55555554
[  157.208269][ T1301] Call Trace:
[  157.208505][ T1301]  <TASK>
[ 157.208670][ T1301] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 157.208996][ T1301] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 157.209337][ T1301] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 157.209774][ T1301] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 157.210111][ T1301] netif_set_mtu (net/core/dev.c:9652) 
[ 157.210427][ T1301] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 157.210756][ T1301] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 157.211206][ T1301] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 157.211450][ T1301] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 157.211884][ T1301] br_add_if (net/bridge/br_if.c:697) bridge 
[ 157.212253][ T1301] do_set_master (net/core/rtnetlink.c:2948) 
[ 157.212568][ T1301] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 157.212886][ T1301] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 157.213216][ T1301] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 157.213527][ T1301] ? __dev_get_by_name (net/core/dev.c:865) 
[ 157.213841][ T1301] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.214167][ T1301] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.214488][ T1301] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 157.214804][ T1301] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.215187][ T1301] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 157.215532][ T1301] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 157.215871][ T1301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.216223][ T1301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 157.216563][ T1301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 157.216901][ T1301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.217239][ T1301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 157.217580][ T1301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.217915][ T1301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.218260][ T1301] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 157.218593][ T1301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.218926][ T1301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 157.219287][ T1301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 157.219653][ 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) 
[ 157.219970][ T1301] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 157.220296][ T1301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 157.220612][ T1301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.220946][ T1301] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 157.221269][ T1301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 157.221592][ T1301] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 157.221916][ T1301] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 157.222241][ T1301] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 157.222554][ T1301] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 157.222949][ T1301] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 157.223277][ T1301] ___sys_sendmsg (net/socket.c:2670) 
[ 157.223593][ T1301] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 157.223911][ T1301] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 157.224236][ T1301] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.224546][ T1301] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 157.224864][ T1301] ? __handle_mm_fault (mm/memory.c:6212) 
[ 157.225187][ T1301] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 157.225502][ T1301] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 157.225844][ T1301] __sys_sendmsg (net/socket.c:2700) 
[ 157.226176][ T1301] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 157.226532][ 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) 
[ 157.226878][ 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) 
[ 157.227223][ T1301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 157.227561][ T1301] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 157.227900][ T1301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  157.228329][ T1301] RIP: 0033:0x7f26b02151e7
[ 157.228670][ 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)
[  157.229872][ T1301] RSP: 002b:00007ffc674cd9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  157.230387][ T1301] RAX: ffffffffffffffda RBX: 00007ffc674ce0e0 RCX: 00007f26b02151e7
[  157.230886][ T1301] RDX: 0000000000000000 RSI: 00007ffc674cda20 RDI: 0000000000000005
[  157.231392][ T1301] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  157.231896][ T1301] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc674ce118
[  157.232407][ T1301] R13: 00000000686e18ee R14: 0000000000499600 R15: 0000000000000000
| [  157.401228][ T1303] ------------[ cut here ]------------
| [ 157.401618][ T1303] WARNING: CPU: 2 PID: 1303 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) 
| [  157.402384][ T1303] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  157.403735][ T1303] Tainted: [W]=WARN
[  157.404041][ T1303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.404517][ T1303] 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) 
[ 157.404910][ T1303] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  157.406202][ T1303] RSP: 0000:ffffc90001057080 EFLAGS: 00010246
[  157.406670][ T1303] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  157.407240][ T1303] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  157.407781][ T1303] RBP: ffffc90001057168 R08: 0000000000000000 R09: 0000000000000000
[  157.408340][ T1303] R10: ffffc90001057198 R11: ffffffff87ea8918 R12: 1ffff9200020ae14
[  157.408896][ T1303] R13: 00000000000005dc R14: ffffc90001057198 R15: ffff88800f862f08
[  157.409493][ T1303] FS:  00007f68907e9800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  157.410151][ T1303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  157.410624][ T1303] CR2: 00007f68908a5155 CR3: 000000000b9a5003 CR4: 0000000000772ef0
[  157.411185][ T1303] PKRU: 55555554
[  157.411469][ T1303] Call Trace:
[  157.411761][ T1303]  <TASK>
[ 157.411973][ T1303] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 157.412386][ T1303] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 157.412773][ T1303] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 157.413250][ T1303] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 157.413631][ T1303] netif_set_mtu (net/core/dev.c:9652) 
[ 157.414018][ T1303] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 157.414412][ T1303] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 157.414921][ T1303] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 157.415224][ T1303] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 157.415739][ T1303] br_add_if (net/bridge/br_if.c:697) bridge 
[ 157.416183][ T1303] do_set_master (net/core/rtnetlink.c:2948) 
[ 157.416577][ T1303] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 157.416967][ T1303] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 157.417362][ T1303] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 157.417727][ T1303] ? __dev_get_by_name (net/core/dev.c:865) 
[ 157.418105][ T1303] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.418486][ T1303] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.418862][ T1303] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 157.419257][ T1303] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.419711][ T1303] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 157.420080][ T1303] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 157.420420][ T1303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.420757][ T1303] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 157.421092][ T1303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 157.421424][ T1303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.421755][ T1303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 157.422106][ T1303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.422442][ T1303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.422788][ T1303] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 157.423130][ T1303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.423465][ T1303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 157.423809][ T1303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 157.424155][ T1303] ? 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) 
[ 157.424489][ T1303] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 157.424824][ T1303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 157.425169][ T1303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.425509][ T1303] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 157.425851][ T1303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 157.426195][ T1303] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 157.426549][ T1303] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 157.426886][ T1303] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 157.427223][ T1303] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 157.427635][ T1303] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 157.427968][ T1303] ___sys_sendmsg (net/socket.c:2670) 
[ 157.428405][ T1303] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 157.428737][ T1303] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 157.429087][ T1303] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.429423][ T1303] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 157.429759][ T1303] ? __handle_mm_fault (mm/memory.c:6212) 
[ 157.430097][ T1303] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 157.430426][ T1303] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 157.430771][ T1303] __sys_sendmsg (net/socket.c:2700) 
[ 157.431111][ T1303] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 157.431448][ T1303] ? 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) 
[ 157.431791][ T1303] ? 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) 
[ 157.432132][ T1303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 157.432466][ T1303] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 157.433037][ T1303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  157.433462][ T1303] RIP: 0033:0x7f68909b61e7
[ 157.433800][ T1303] 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)
[  157.434950][ T1303] RSP: 002b:00007ffcb5543e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  157.435450][ T1303] RAX: ffffffffffffffda RBX: 00007ffcb55445c0 RCX: 00007f68909b61e7
[  157.435936][ T1303] RDX: 0000000000000000 RSI: 00007ffcb5543f00 RDI: 0000000000000005
[  157.436437][ T1303] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  157.437165][ T1303] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcb55445f8
[  157.437652][ T1303] R13: 00000000686e18ef R14: 0000000000499600 R15: 0000000000000000
| [  157.589335][ T1305] ------------[ cut here ]------------
| [ 157.589675][ T1305] WARNING: CPU: 3 PID: 1305 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) 
| [  157.590326][ T1305] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  157.591525][ T1305] Tainted: [W]=WARN
[  157.591869][ T1305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.592292][ T1305] 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) 
[ 157.592635][ T1305] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  157.593832][ T1305] RSP: 0018:ffffc90001037080 EFLAGS: 00010246
[  157.594245][ T1305] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  157.594738][ T1305] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  157.595246][ T1305] RBP: ffffc90001037168 R08: 0000000000000000 R09: 0000000000000000
[  157.595730][ T1305] R10: ffffc90001037198 R11: ffffffff87ea8918 R12: 1ffff92000206e14
[  157.596223][ T1305] R13: 00000000000005dc R14: ffffc90001037198 R15: ffff88800f862f08
[  157.596701][ T1305] FS:  00007f894416b800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  157.597291][ T1305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  157.597694][ T1305] CR2: 00000000004a1738 CR3: 000000000b9a5004 CR4: 0000000000772ef0
[  157.598178][ T1305] PKRU: 55555554
[  157.598421][ T1305] Call Trace:
[  157.598659][ T1305]  <TASK>
[ 157.598823][ T1305] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 157.599175][ T1305] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 157.599514][ T1305] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 157.599931][ T1305] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 157.600267][ T1305] netif_set_mtu (net/core/dev.c:9652) 
[ 157.600608][ T1305] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 157.600965][ T1305] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 157.601433][ T1305] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 157.601686][ T1305] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 157.602126][ T1305] br_add_if (net/bridge/br_if.c:697) bridge 
[ 157.602494][ T1305] do_set_master (net/core/rtnetlink.c:2948) 
[ 157.602814][ T1305] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 157.603163][ T1305] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 157.603483][ T1305] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 157.603814][ T1305] ? __dev_get_by_name (net/core/dev.c:865) 
[ 157.604142][ T1305] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.604454][ T1305] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.604779][ T1305] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 157.605099][ T1305] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.605443][ T1305] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 157.605770][ T1305] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 157.606125][ T1305] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.606450][ T1305] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 157.606766][ T1305] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 157.607094][ T1305] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.607404][ T1305] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 157.607718][ T1305] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.608041][ T1305] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.608378][ T1305] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 157.608694][ T1305] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.609008][ T1305] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 157.609340][ T1305] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 157.609670][ T1305] ? 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) 
[ 157.610012][ T1305] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 157.610342][ T1305] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 157.610653][ T1305] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.610970][ T1305] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 157.611296][ T1305] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 157.611610][ T1305] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 157.611942][ T1305] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 157.612297][ T1305] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 157.612611][ T1305] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 157.613004][ T1305] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 157.613336][ T1305] ___sys_sendmsg (net/socket.c:2670) 
[ 157.613656][ T1305] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 157.613977][ T1305] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 157.614303][ T1305] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.614616][ T1305] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 157.614935][ T1305] ? __handle_mm_fault (mm/memory.c:6212) 
[ 157.615266][ T1305] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 157.615583][ T1305] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 157.615920][ T1305] __sys_sendmsg (net/socket.c:2700) 
[ 157.616246][ T1305] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 157.616582][ T1305] ? 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) 
[ 157.616929][ T1305] ? 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) 
[ 157.617264][ T1305] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 157.617607][ T1305] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 157.617922][ T1305] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  157.618335][ T1305] RIP: 0033:0x7f89443381e7
[ 157.618667][ T1305] 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)
[  157.619918][ T1305] RSP: 002b:00007ffc58783368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  157.620425][ T1305] RAX: ffffffffffffffda RBX: 00007ffc58783a90 RCX: 00007f89443381e7
[  157.620913][ T1305] RDX: 0000000000000000 RSI: 00007ffc587833d0 RDI: 0000000000000005
[  157.621402][ T1305] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  157.621893][ T1305] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc58783ac8
[  157.622387][ T1305] R13: 00000000686e18ef R14: 0000000000499600 R15: 0000000000000000
| [  157.774249][ T1308] ------------[ cut here ]------------
| [ 157.774576][ T1308] WARNING: CPU: 2 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) 
| [  157.775258][ T1308] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  157.776419][ T1308] Tainted: [W]=WARN
[  157.776677][ T1308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.777095][ 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) 
[ 157.777533][ T1308] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  157.778692][ T1308] RSP: 0018:ffffc90001067080 EFLAGS: 00010246
[  157.779122][ T1308] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  157.779620][ T1308] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  157.780114][ T1308] RBP: ffffc90001067168 R08: 0000000000000000 R09: 0000000000000000
[  157.780616][ T1308] R10: ffffc90001067198 R11: ffffffff87ea8918 R12: 1ffff9200020ce14
[  157.781119][ T1308] R13: 00000000000005dc R14: ffffc90001067198 R15: ffff88800f862f08
[  157.781611][ T1308] FS:  00007f8c8f7a2800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  157.782187][ T1308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  157.782600][ T1308] CR2: 00000000004a1738 CR3: 000000000a99c004 CR4: 0000000000772ef0
[  157.783098][ T1308] PKRU: 55555554
[  157.783346][ T1308] Call Trace:
[  157.783596][ T1308]  <TASK>
[ 157.783773][ T1308] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 157.784119][ T1308] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 157.784450][ T1308] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 157.784857][ T1308] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 157.785207][ T1308] netif_set_mtu (net/core/dev.c:9652) 
[ 157.785542][ T1308] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 157.785882][ T1308] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 157.786349][ T1308] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 157.786607][ T1308] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 157.787060][ T1308] br_add_if (net/bridge/br_if.c:697) bridge 
[ 157.787438][ T1308] do_set_master (net/core/rtnetlink.c:2948) 
[ 157.787774][ T1308] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 157.788119][ T1308] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 157.788480][ T1308] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 157.788820][ T1308] ? __dev_get_by_name (net/core/dev.c:865) 
[ 157.789160][ T1308] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.789505][ T1308] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.789840][ T1308] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 157.790172][ T1308] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.790514][ T1308] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 157.790853][ T1308] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 157.791195][ T1308] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.791533][ T1308] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 157.791857][ T1308] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 157.792198][ T1308] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.792522][ T1308] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 157.792850][ T1308] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.793205][ T1308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.793548][ T1308] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 157.793879][ T1308] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.794218][ T1308] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 157.794556][ T1308] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 157.794884][ 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) 
[ 157.795229][ T1308] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 157.795565][ T1308] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 157.795897][ T1308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.796241][ T1308] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 157.796572][ T1308] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 157.796902][ T1308] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 157.797484][ T1308] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 157.797828][ T1308] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 157.798168][ T1308] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 157.798578][ T1308] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 157.798917][ T1308] ___sys_sendmsg (net/socket.c:2670) 
[ 157.799252][ T1308] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 157.799587][ T1308] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 157.800157][ T1308] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.800481][ T1308] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 157.801056][ T1308] ? __handle_mm_fault (mm/memory.c:6212) 
[ 157.801385][ T1308] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 157.801936][ T1308] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 157.802285][ T1308] __sys_sendmsg (net/socket.c:2700) 
[ 157.802619][ T1308] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 157.802941][ 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) 
[ 157.803521][ 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) 
[ 157.803883][ T1308] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 157.804225][ T1308] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 157.804551][ T1308] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  157.805209][ T1308] RIP: 0033:0x7f8c8f96f1e7
[ 157.805545][ 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)
[  157.806687][ T1308] RSP: 002b:00007fffae81c278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  157.807420][ T1308] RAX: ffffffffffffffda RBX: 00007fffae81c9a0 RCX: 00007f8c8f96f1e7
[  157.807919][ T1308] RDX: 0000000000000000 RSI: 00007fffae81c2e0 RDI: 0000000000000005
[  157.808448][ T1308] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  157.808932][ T1308] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffae81c9d8
[  157.809448][ T1308] R13: 00000000686e18ef R14: 0000000000499600 R15: 0000000000000000
| [  157.992313][ T1310] ------------[ cut here ]------------
| [ 157.992653][ T1310] WARNING: CPU: 2 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) 
| [  157.993335][ T1310] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  157.994596][ T1310] Tainted: [W]=WARN
[  157.994847][ T1310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.995270][ 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) 
[ 157.995619][ T1310] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  157.996763][ T1310] RSP: 0018:ffffc90001047080 EFLAGS: 00010246
[  157.997199][ T1310] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  157.997688][ T1310] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  157.998180][ T1310] RBP: ffffc90001047168 R08: 0000000000000000 R09: 0000000000000000
[  157.998662][ T1310] R10: ffffc90001047198 R11: ffffffff87ea8918 R12: 1ffff92000208e14
[  157.999151][ T1310] R13: 00000000000005dc R14: ffffc90001047198 R15: ffff88800f862f08
[  157.999650][ T1310] FS:  00007f5ab14c0800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  158.000220][ T1310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.000636][ T1310] CR2: 00000000004a1738 CR3: 000000001750b006 CR4: 0000000000772ef0
[  158.001129][ T1310] PKRU: 55555554
[  158.001380][ T1310] Call Trace:
[  158.001627][ T1310]  <TASK>
[ 158.001802][ T1310] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.002148][ T1310] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.002491][ T1310] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.002907][ T1310] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.003247][ T1310] netif_set_mtu (net/core/dev.c:9652) 
[ 158.003579][ T1310] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.003915][ T1310] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.004377][ T1310] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.004629][ T1310] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.005092][ T1310] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.005471][ T1310] do_set_master (net/core/rtnetlink.c:2948) 
[ 158.005801][ T1310] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.006142][ T1310] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.006474][ T1310] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.006808][ T1310] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.007153][ T1310] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.007486][ T1310] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.007820][ T1310] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.008152][ T1310] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.008491][ T1310] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.008830][ T1310] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.009172][ T1310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.009529][ T1310] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.009858][ T1310] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.010199][ T1310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.010530][ T1310] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.010858][ T1310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.011199][ T1310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.011529][ T1310] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.011859][ T1310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.012198][ T1310] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.012543][ T1310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.012871][ 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) 
[ 158.013209][ T1310] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 158.013540][ T1310] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.013865][ T1310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.014215][ T1310] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.014560][ T1310] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.014929][ T1310] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.015294][ T1310] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.015647][ T1310] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.015991][ T1310] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.016419][ T1310] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.016767][ T1310] ___sys_sendmsg (net/socket.c:2670) 
[ 158.017103][ T1310] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.017452][ T1310] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.017804][ T1310] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.018144][ T1310] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.018486][ T1310] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.018820][ T1310] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.019171][ T1310] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.019542][ T1310] __sys_sendmsg (net/socket.c:2700) 
[ 158.019884][ T1310] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.020225][ 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) 
[ 158.020586][ 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) 
[ 158.020929][ T1310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.021280][ T1310] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.021606][ T1310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.022028][ T1310] RIP: 0033:0x7f5ab168d1e7
[ 158.022396][ 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)
[  158.023567][ T1310] RSP: 002b:00007ffe2955ba78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.024101][ T1310] RAX: ffffffffffffffda RBX: 00007ffe2955c1a0 RCX: 00007f5ab168d1e7
[  158.024612][ T1310] RDX: 0000000000000000 RSI: 00007ffe2955bae0 RDI: 0000000000000005
[  158.025122][ T1310] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.025650][ T1310] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe2955c1d8
[  158.026159][ T1310] R13: 00000000686e18ef R14: 0000000000499600 R15: 0000000000000000
| [  158.196750][ T1311] ------------[ cut here ]------------
| [ 158.197157][ T1311] WARNING: CPU: 2 PID: 1311 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) 
| [  158.197829][ T1311] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.199102][ T1311] Tainted: [W]=WARN
[  158.199363][ T1311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.199799][ T1311] 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) 
[ 158.200164][ T1311] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  158.201369][ T1311] RSP: 0018:ffffc90001067080 EFLAGS: 00010246
[  158.201801][ T1311] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  158.202329][ T1311] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  158.202850][ T1311] RBP: ffffc90001067168 R08: 0000000000000000 R09: 0000000000000000
[  158.203368][ T1311] R10: ffffc90001067198 R11: ffffffff87ea8918 R12: 1ffff9200020ce14
[  158.203881][ T1311] R13: 00000000000005dc R14: ffffc90001067198 R15: ffff88800f862f08
[  158.204400][ T1311] FS:  00007ff41764d800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  158.205002][ T1311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.205441][ T1311] CR2: 00000000004a1738 CR3: 000000001750b004 CR4: 0000000000772ef0
[  158.205959][ T1311] PKRU: 55555554
[  158.206233][ T1311] Call Trace:
[  158.206493][ T1311]  <TASK>
[ 158.206677][ T1311] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.207040][ T1311] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.207395][ T1311] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.207825][ T1311] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.208177][ T1311] netif_set_mtu (net/core/dev.c:9652) 
[ 158.208525][ T1311] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.208879][ T1311] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.209362][ T1311] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.209649][ T1311] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.210123][ T1311] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.210515][ T1311] do_set_master (net/core/rtnetlink.c:2948) 
[ 158.210863][ T1311] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.211219][ T1311] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.211570][ T1311] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.211918][ T1311] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.212282][ T1311] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.212626][ T1311] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.212976][ T1311] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.213326][ T1311] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.213677][ T1311] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.214031][ T1311] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.214393][ T1311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.214750][ T1311] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.215097][ T1311] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.215449][ T1311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.215803][ T1311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.216157][ T1311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.216508][ T1311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.216861][ T1311] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.217227][ T1311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.217588][ T1311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.217949][ T1311] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.218305][ T1311] ? 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) 
[ 158.218656][ T1311] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 158.219017][ T1311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.219379][ T1311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.219741][ T1311] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.220100][ T1311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.220446][ T1311] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.220803][ T1311] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.221169][ T1311] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.221517][ T1311] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.221951][ T1311] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.222320][ T1311] ___sys_sendmsg (net/socket.c:2670) 
[ 158.222669][ T1311] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.223012][ T1311] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.223368][ T1311] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.223711][ T1311] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.224067][ T1311] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.224409][ T1311] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.224765][ T1311] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.225157][ T1311] __sys_sendmsg (net/socket.c:2700) 
[ 158.225507][ T1311] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.225850][ T1311] ? 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) 
[ 158.226217][ T1311] ? 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) 
[ 158.226563][ T1311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.226919][ T1311] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.227279][ T1311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.227702][ T1311] RIP: 0033:0x7ff41781a1e7
[ 158.228065][ T1311] 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)
[  158.229275][ T1311] RSP: 002b:00007fff42b0ac48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.229823][ T1311] RAX: ffffffffffffffda RBX: 00007fff42b0b370 RCX: 00007ff41781a1e7
[  158.230347][ T1311] RDX: 0000000000000000 RSI: 00007fff42b0acb0 RDI: 0000000000000005
[  158.230858][ T1311] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.231377][ T1311] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff42b0b3a8
[  158.231895][ T1311] R13: 00000000686e18ef R14: 0000000000499600 R15: 0000000000000000
| [  158.367825][ T1313] ------------[ cut here ]------------
| [ 158.368221][ T1313] WARNING: CPU: 2 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) 
| [  158.368899][ T1313] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.370170][ T1313] Tainted: [W]=WARN
[  158.370431][ T1313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.370844][ 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) 
[ 158.371193][ T1313] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  158.372351][ T1313] RSP: 0018:ffffc90001037080 EFLAGS: 00010246
[  158.372764][ T1313] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  158.373257][ T1313] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  158.373745][ T1313] RBP: ffffc90001037168 R08: 0000000000000000 R09: 0000000000000000
[  158.374246][ T1313] R10: ffffc90001037198 R11: ffffffff87ea8918 R12: 1ffff92000206e14
[  158.374728][ T1313] R13: 00000000000005dc R14: ffffc90001037198 R15: ffff88800f862f08
[  158.375223][ T1313] FS:  00007f2bb6fe6800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  158.375793][ T1313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.376217][ T1313] CR2: 00000000004a1738 CR3: 000000001750b002 CR4: 0000000000772ef0
[  158.376705][ T1313] PKRU: 55555554
[  158.376957][ T1313] Call Trace:
[  158.377215][ T1313]  <TASK>
[ 158.377405][ T1313] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.377741][ T1313] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.378087][ T1313] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.378493][ T1313] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.378872][ T1313] netif_set_mtu (net/core/dev.c:9652) 
[ 158.379225][ T1313] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.379593][ T1313] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.380079][ T1313] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.380353][ T1313] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.380821][ T1313] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.381226][ T1313] do_set_master (net/core/rtnetlink.c:2948) 
[ 158.381571][ T1313] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.381918][ T1313] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.382278][ T1313] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.382626][ T1313] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.382978][ T1313] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.383352][ T1313] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.383710][ T1313] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.384059][ T1313] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.384406][ T1313] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.384764][ T1313] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.385125][ T1313] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.385485][ T1313] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.385824][ T1313] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.386183][ T1313] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.386526][ T1313] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.386867][ T1313] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.387468][ T1313] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.387824][ T1313] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.388183][ T1313] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.388529][ T1313] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.388884][ T1313] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.389244][ 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) 
[ 158.389600][ T1313] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 158.389962][ T1313] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.390320][ T1313] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.390671][ T1313] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.391020][ T1313] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.391393][ T1313] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.391749][ T1313] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.392108][ T1313] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.392455][ T1313] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.393121][ T1313] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.393478][ T1313] ___sys_sendmsg (net/socket.c:2670) 
[ 158.393825][ T1313] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.394178][ T1313] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.394527][ T1313] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.394869][ T1313] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.395229][ T1313] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.395574][ T1313] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.396156][ T1313] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.396516][ T1313] __sys_sendmsg (net/socket.c:2700) 
[ 158.396864][ T1313] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.397449][ 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) 
[ 158.397804][ 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) 
[ 158.398165][ T1313] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.398520][ T1313] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.398872][ T1313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.399305][ T1313] RIP: 0033:0x7f2bb71b31e7
[ 158.399690][ 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)
[  158.401392][ T1313] RSP: 002b:00007ffe1a33c2e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.401909][ T1313] RAX: ffffffffffffffda RBX: 00007ffe1a33ca10 RCX: 00007f2bb71b31e7
[  158.402895][ T1313] RDX: 0000000000000000 RSI: 00007ffe1a33c350 RDI: 0000000000000005
[  158.403503][ T1313] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.404005][ T1313] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe1a33ca48
[  158.404504][ T1313] R13: 00000000686e18f0 R14: 0000000000499600 R15: 0000000000000000
| [  158.553946][ T1315] ------------[ cut here ]------------
| [ 158.554338][ T1315] WARNING: CPU: 1 PID: 1315 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) 
| [  158.554994][ T1315] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.556456][ T1315] Tainted: [W]=WARN
[  158.556730][ T1315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.557322][ T1315] 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) 
[ 158.557686][ T1315] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  158.559098][ T1315] RSP: 0000:ffffc900010a7080 EFLAGS: 00010246
[  158.559567][ T1315] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  158.560227][ T1315] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  158.560742][ T1315] RBP: ffffc900010a7168 R08: 0000000000000000 R09: 0000000000000000
[  158.561418][ T1315] R10: ffffc900010a7198 R11: ffffffff87ea8918 R12: 1ffff92000214e14
[  158.561937][ T1315] R13: 00000000000005dc R14: ffffc900010a7198 R15: ffff88800f862f08
[  158.562528][ T1315] FS:  00007f20c6f13800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  158.563138][ T1315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.563592][ T1315] CR2: 00007f82d29c9008 CR3: 000000000a464006 CR4: 0000000000772ef0
[  158.564109][ T1315] PKRU: 55555554
[  158.564359][ T1315] Call Trace:
[  158.564609][ T1315]  <TASK>
[ 158.564784][ T1315] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.565139][ T1315] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.565482][ T1315] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.565893][ T1315] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.566233][ T1315] netif_set_mtu (net/core/dev.c:9652) 
[ 158.566565][ T1315] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.566903][ T1315] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.567371][ T1315] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.567629][ T1315] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.568090][ T1315] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.568470][ T1315] do_set_master (net/core/rtnetlink.c:2948) 
[ 158.568801][ T1315] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.569155][ T1315] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.569495][ T1315] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.569823][ T1315] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.570167][ T1315] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.570496][ T1315] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.570833][ T1315] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.571166][ T1315] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.571499][ T1315] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.571835][ T1315] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.572184][ T1315] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.572534][ T1315] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.572870][ T1315] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.573238][ T1315] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.573567][ T1315] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.573898][ T1315] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.574243][ T1315] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.574607][ T1315] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.574954][ T1315] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.575308][ T1315] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.575661][ T1315] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.575990][ T1315] ? 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) 
[ 158.576329][ T1315] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 158.576662][ T1315] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.576995][ T1315] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.577340][ T1315] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.577688][ T1315] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.578022][ T1315] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.578372][ T1315] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.578720][ T1315] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.579071][ T1315] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.579537][ T1315] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.579880][ T1315] ___sys_sendmsg (net/socket.c:2670) 
[ 158.580227][ T1315] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.580568][ T1315] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.580906][ T1315] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.581243][ T1315] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.581594][ T1315] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.581921][ T1315] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.582258][ T1315] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.582615][ T1315] __sys_sendmsg (net/socket.c:2700) 
[ 158.582975][ T1315] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.583337][ T1315] ? 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) 
[ 158.583690][ T1315] ? 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) 
[ 158.584024][ T1315] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.584370][ T1315] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.584705][ T1315] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.585145][ T1315] RIP: 0033:0x7f20c70e01e7
[ 158.585514][ T1315] 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)
[  158.586730][ T1315] RSP: 002b:00007ffd11107938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.587253][ T1315] RAX: ffffffffffffffda RBX: 00007ffd11108060 RCX: 00007f20c70e01e7
[  158.587765][ T1315] RDX: 0000000000000000 RSI: 00007ffd111079a0 RDI: 0000000000000005
[  158.588308][ T1315] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.588817][ T1315] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd11108098
[  158.589328][ T1315] R13: 00000000686e18f0 R14: 0000000000499600 R15: 0000000000000000
| [  158.751402][ T1318] ------------[ cut here ]------------
| [ 158.751742][ T1318] WARNING: CPU: 3 PID: 1318 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) 
| [  158.752506][ T1318] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.753751][ T1318] Tainted: [W]=WARN
[  158.754013][ T1318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.754460][ T1318] 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) 
[ 158.754816][ T1318] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  158.756038][ T1318] RSP: 0018:ffffc900010b7080 EFLAGS: 00010246
[  158.756470][ T1318] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  158.756965][ T1318] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  158.757473][ T1318] RBP: ffffc900010b7168 R08: 0000000000000000 R09: 0000000000000000
[  158.757979][ T1318] R10: ffffc900010b7198 R11: ffffffff87ea8918 R12: 1ffff92000216e14
[  158.758484][ T1318] R13: 00000000000005dc R14: ffffc900010b7198 R15: ffff88800f862f08
[  158.758989][ T1318] FS:  00007f4b6e54d800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  158.759593][ T1318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.760014][ T1318] CR2: 00000000004a1738 CR3: 000000000edfb002 CR4: 0000000000772ef0
[  158.760527][ T1318] PKRU: 55555554
[  158.760781][ T1318] Call Trace:
[  158.761035][ T1318]  <TASK>
[ 158.761221][ T1318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.761564][ T1318] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.761914][ T1318] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.762349][ T1318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.762685][ T1318] netif_set_mtu (net/core/dev.c:9652) 
[ 158.763018][ T1318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.763367][ T1318] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.763827][ T1318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.764084][ T1318] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.764533][ T1318] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.764913][ T1318] do_set_master (net/core/rtnetlink.c:2948) 
[ 158.765258][ T1318] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.765593][ T1318] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.765927][ T1318] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.766265][ T1318] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.766595][ T1318] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.766930][ T1318] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.767286][ T1318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.767619][ T1318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.767955][ T1318] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.768311][ T1318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.768645][ T1318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.768986][ T1318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.769356][ T1318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.769707][ T1318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.770070][ T1318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.770416][ T1318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.770772][ T1318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.771122][ T1318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.771459][ T1318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.771814][ T1318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.772165][ T1318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.772511][ T1318] ? 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) 
[ 158.772864][ T1318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 158.773209][ T1318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.773539][ T1318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.773900][ T1318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.774250][ T1318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.774603][ T1318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.774961][ T1318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.775314][ T1318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.775670][ T1318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.776093][ T1318] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.776439][ T1318] ___sys_sendmsg (net/socket.c:2670) 
[ 158.776776][ T1318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.777127][ T1318] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.777462][ T1318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.777798][ T1318] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.778155][ T1318] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.778502][ T1318] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.778836][ T1318] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.779193][ T1318] __sys_sendmsg (net/socket.c:2700) 
[ 158.779532][ T1318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.779864][ T1318] ? 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) 
[ 158.780212][ T1318] ? 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) 
[ 158.780549][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.780892][ T1318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.781254][ T1318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.781666][ T1318] RIP: 0033:0x7f4b6e71a1e7
[ 158.782007][ T1318] 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)
[  158.783187][ T1318] RSP: 002b:00007ffcdc3d7908 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.783705][ T1318] RAX: ffffffffffffffda RBX: 00007ffcdc3d8030 RCX: 00007f4b6e71a1e7
[  158.784207][ T1318] RDX: 0000000000000000 RSI: 00007ffcdc3d7970 RDI: 0000000000000005
[  158.784718][ T1318] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.785229][ T1318] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcdc3d8068
[  158.785740][ T1318] R13: 00000000686e18f0 R14: 0000000000499600 R15: 0000000000000000
| [  158.948106][ T1319] ------------[ cut here ]------------
| [ 158.948464][ 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) 
| [  158.949139][ T1319] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.950373][ T1319] Tainted: [W]=WARN
[  158.950636][ T1319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.951067][ 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) 
[ 158.951423][ T1319] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  158.952665][ T1319] RSP: 0018:ffffc900010b7080 EFLAGS: 00010246
[  158.953107][ T1319] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  158.953627][ T1319] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  158.954149][ T1319] RBP: ffffc900010b7168 R08: 0000000000000000 R09: 0000000000000000
[  158.954680][ T1319] R10: ffffc900010b7198 R11: ffffffff87ea8918 R12: 1ffff92000216e14
[  158.955197][ T1319] R13: 00000000000005dc R14: ffffc900010b7198 R15: ffff88800f862f08
[  158.955707][ T1319] FS:  00007f4eed067800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  158.956303][ T1319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.956733][ T1319] CR2: 00007fb4a9a447b0 CR3: 000000000abc0006 CR4: 0000000000772ef0
[  158.957261][ T1319] PKRU: 55555554
[  158.957522][ T1319] Call Trace:
[  158.957792][ T1319]  <TASK>
[ 158.957976][ T1319] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.958339][ T1319] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.958691][ T1319] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.959128][ T1319] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.959491][ T1319] netif_set_mtu (net/core/dev.c:9652) 
[ 158.959835][ T1319] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.960196][ T1319] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.960671][ T1319] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.960938][ T1319] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.961407][ T1319] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.961814][ T1319] do_set_master (net/core/rtnetlink.c:2948) 
[ 158.962181][ T1319] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.962526][ T1319] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.962890][ T1319] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.963240][ T1319] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.963584][ T1319] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.963927][ T1319] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.964291][ T1319] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.964636][ T1319] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.964989][ T1319] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.965349][ T1319] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.965707][ T1319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.966068][ T1319] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.966418][ T1319] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.966785][ T1319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.967141][ T1319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.967495][ T1319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.967854][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.968210][ T1319] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.968556][ T1319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.968898][ T1319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.969272][ T1319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.969688][ 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) 
[ 158.970039][ T1319] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 158.970411][ T1319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.970769][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.971142][ T1319] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.971498][ T1319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.971848][ T1319] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.972210][ T1319] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.972558][ T1319] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.972901][ T1319] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.973336][ T1319] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.973687][ T1319] ___sys_sendmsg (net/socket.c:2670) 
[ 158.974032][ T1319] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.974394][ T1319] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.974741][ T1319] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.975093][ T1319] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.975439][ T1319] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.975780][ T1319] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.976127][ T1319] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.976492][ T1319] __sys_sendmsg (net/socket.c:2700) 
[ 158.976833][ T1319] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.977184][ 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) 
[ 158.977533][ 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) 
[ 158.977879][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.978236][ T1319] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.978585][ T1319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.979003][ T1319] RIP: 0033:0x7f4eed2341e7
[ 158.979380][ 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)
[  158.980581][ T1319] RSP: 002b:00007ffd5adbdb28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.981100][ T1319] RAX: ffffffffffffffda RBX: 00007ffd5adbe250 RCX: 00007f4eed2341e7
[  158.981609][ T1319] RDX: 0000000000000000 RSI: 00007ffd5adbdb90 RDI: 0000000000000005
[  158.982132][ T1319] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.982637][ T1319] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd5adbe288
[  158.983153][ T1319] R13: 00000000686e18f0 R14: 0000000000499600 R15: 0000000000000000
| [  159.150065][ T1321] ------------[ cut here ]------------
| [ 159.150421][ T1321] WARNING: CPU: 2 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) 
| [  159.151139][ T1321] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.152352][ T1321] Tainted: [W]=WARN
[  159.152615][ T1321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.153041][ 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) 
[ 159.153404][ T1321] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  159.155269][ T1321] RSP: 0018:ffffc900010c7080 EFLAGS: 00010246
[  159.155705][ T1321] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  159.156241][ T1321] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  159.156767][ T1321] RBP: ffffc900010c7168 R08: 0000000000000000 R09: 0000000000000000
[  159.157291][ T1321] R10: ffffc900010c7198 R11: ffffffff87ea8918 R12: 1ffff92000218e14
[  159.157795][ T1321] R13: 00000000000005dc R14: ffffc900010c7198 R15: ffff88800f862f08
[  159.158309][ T1321] FS:  00007fa292f35800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  159.158901][ T1321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.159345][ T1321] CR2: 00000000004a1738 CR3: 000000000abc0003 CR4: 0000000000772ef0
[  159.159872][ T1321] PKRU: 55555554
[  159.160145][ T1321] Call Trace:
[  159.160405][ T1321]  <TASK>
[ 159.160589][ T1321] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.160946][ T1321] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.161302][ T1321] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.161730][ T1321] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.162090][ T1321] netif_set_mtu (net/core/dev.c:9652) 
[ 159.162441][ T1321] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.162794][ T1321] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.163279][ T1321] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.163546][ T1321] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.164009][ T1321] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.164413][ T1321] do_set_master (net/core/rtnetlink.c:2948) 
[ 159.164757][ T1321] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.165122][ T1321] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.165474][ T1321] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.165816][ T1321] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.166182][ T1321] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.166537][ T1321] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.166893][ T1321] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.167248][ T1321] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.167604][ T1321] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.167959][ T1321] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.168319][ T1321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.168675][ T1321] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.169025][ T1321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.169387][ T1321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.169740][ T1321] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.170110][ T1321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.170466][ T1321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.170815][ T1321] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.171176][ T1321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.171525][ T1321] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.171883][ T1321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.172232][ 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) 
[ 159.172587][ T1321] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 159.172933][ T1321] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.173290][ T1321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.173646][ T1321] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.173998][ T1321] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.174351][ T1321] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.174714][ T1321] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.175084][ T1321] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.175435][ T1321] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.175863][ T1321] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.176223][ T1321] ___sys_sendmsg (net/socket.c:2670) 
[ 159.176565][ T1321] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.176912][ T1321] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.177267][ T1321] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.177610][ T1321] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.177958][ T1321] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.178309][ T1321] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.178659][ T1321] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.179023][ T1321] __sys_sendmsg (net/socket.c:2700) 
[ 159.179394][ T1321] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.179739][ 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) 
[ 159.180110][ 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) 
[ 159.180463][ T1321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.180820][ T1321] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.181190][ T1321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.181624][ T1321] RIP: 0033:0x7fa2931021e7
[ 159.181985][ 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)
[  159.183178][ T1321] RSP: 002b:00007ffeb1d3b238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.183691][ T1321] RAX: ffffffffffffffda RBX: 00007ffeb1d3b960 RCX: 00007fa2931021e7
[  159.184216][ T1321] RDX: 0000000000000000 RSI: 00007ffeb1d3b2a0 RDI: 0000000000000005
[  159.184722][ T1321] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.185245][ T1321] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeb1d3b998
[  159.185753][ T1321] R13: 00000000686e18f0 R14: 0000000000499600 R15: 0000000000000000
| [  159.346953][ T1324] ------------[ cut here ]------------
| [ 159.347336][ 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) 
| [  159.347988][ T1324] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.349195][ T1324] Tainted: [W]=WARN
[  159.349473][ T1324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.349896][ 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) 
[ 159.350244][ T1324] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  159.351430][ T1324] RSP: 0018:ffffc900010b7080 EFLAGS: 00010246
[  159.351851][ T1324] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  159.352354][ T1324] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  159.352856][ T1324] RBP: ffffc900010b7168 R08: 0000000000000000 R09: 0000000000000000
[  159.353357][ T1324] R10: ffffc900010b7198 R11: ffffffff87ea8918 R12: 1ffff92000216e14
[  159.353862][ T1324] R13: 00000000000005dc R14: ffffc900010b7198 R15: ffff88800f862f08
[  159.354375][ T1324] FS:  00007f3247db3800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  159.354956][ T1324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.355378][ T1324] CR2: 000055aaa428d178 CR3: 0000000019c60001 CR4: 0000000000772ef0
[  159.355871][ T1324] PKRU: 55555554
[  159.356126][ T1324] Call Trace:
[  159.356383][ T1324]  <TASK>
[ 159.356558][ T1324] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.356901][ T1324] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.357252][ T1324] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.357671][ T1324] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.358003][ T1324] netif_set_mtu (net/core/dev.c:9652) 
[ 159.358348][ T1324] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.358698][ T1324] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.359172][ T1324] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.359442][ T1324] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.359896][ T1324] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.360302][ T1324] do_set_master (net/core/rtnetlink.c:2948) 
[ 159.360638][ T1324] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.360979][ T1324] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.361327][ T1324] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.361663][ T1324] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.361998][ T1324] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.362337][ T1324] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.362674][ T1324] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.363003][ T1324] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.363354][ T1324] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.363695][ T1324] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.364032][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.364383][ T1324] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.364717][ T1324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.365057][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.365386][ T1324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.365727][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.366066][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.366403][ T1324] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.366739][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.367087][ T1324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.367433][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.367764][ 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) 
[ 159.368103][ T1324] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 159.368437][ T1324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.368776][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.369129][ T1324] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.369485][ T1324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.369823][ T1324] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.370172][ T1324] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.370511][ T1324] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.370840][ T1324] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.371262][ T1324] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.371606][ T1324] ___sys_sendmsg (net/socket.c:2670) 
[ 159.371940][ T1324] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.372280][ T1324] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.372619][ T1324] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.372946][ T1324] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.373293][ T1324] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.373632][ T1324] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.373965][ T1324] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.374324][ T1324] __sys_sendmsg (net/socket.c:2700) 
[ 159.374656][ T1324] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.374984][ 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) 
[ 159.375329][ 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) 
[ 159.375666][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.376004][ T1324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.376345][ T1324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.376759][ T1324] RIP: 0033:0x7f3247f801e7
[ 159.377113][ 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)
[  159.378301][ T1324] RSP: 002b:00007ffecf1221a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.378802][ T1324] RAX: ffffffffffffffda RBX: 00007ffecf1228d0 RCX: 00007f3247f801e7
[  159.379314][ T1324] RDX: 0000000000000000 RSI: 00007ffecf122210 RDI: 0000000000000005
[  159.379826][ T1324] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.380336][ T1324] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffecf122908
[  159.380840][ T1324] R13: 00000000686e18f1 R14: 0000000000499600 R15: 0000000000000000
| [  159.544620][ T1325] ------------[ cut here ]------------
| [ 159.544969][ T1325] WARNING: CPU: 2 PID: 1325 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) 
| [  159.545715][ T1325] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.546936][ T1325] Tainted: [W]=WARN
[  159.547208][ T1325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.547635][ T1325] 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) 
[ 159.547996][ T1325] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  159.549196][ T1325] RSP: 0018:ffffc900010b7080 EFLAGS: 00010246
[  159.549643][ T1325] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  159.550173][ T1325] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  159.550691][ T1325] RBP: ffffc900010b7168 R08: 0000000000000000 R09: 0000000000000000
[  159.551215][ T1325] R10: ffffc900010b7198 R11: ffffffff87ea8918 R12: 1ffff92000216e14
[  159.551746][ T1325] R13: 00000000000005dc R14: ffffc900010b7198 R15: ffff88800f862f08
[  159.552284][ T1325] FS:  00007f9db006a800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  159.552884][ T1325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.553336][ T1325] CR2: 00000000004a1738 CR3: 0000000019c60002 CR4: 0000000000772ef0
[  159.553858][ T1325] PKRU: 55555554
[  159.554130][ T1325] Call Trace:
[  159.554396][ T1325]  <TASK>
[ 159.554582][ T1325] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.554934][ T1325] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.555303][ T1325] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.555732][ T1325] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.556093][ T1325] netif_set_mtu (net/core/dev.c:9652) 
[ 159.556443][ T1325] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.556803][ T1325] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.557292][ T1325] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.557562][ T1325] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.558025][ T1325] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.558430][ T1325] do_set_master (net/core/rtnetlink.c:2948) 
[ 159.558774][ T1325] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.559137][ T1325] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.559501][ T1325] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.559843][ T1325] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.560196][ T1325] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.560540][ T1325] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.560886][ T1325] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.561241][ T1325] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.561592][ T1325] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.561950][ T1325] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.562315][ T1325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.562688][ T1325] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.563034][ T1325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.563401][ T1325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.563755][ T1325] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.564115][ T1325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.564463][ T1325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.564827][ T1325] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.565195][ T1325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.565540][ T1325] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.565908][ T1325] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.566271][ T1325] ? 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) 
[ 159.566618][ T1325] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 159.566970][ T1325] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.567323][ T1325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.567678][ T1325] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.568038][ T1325] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.568394][ T1325] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.568750][ T1325] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.569112][ T1325] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.569471][ T1325] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.569900][ T1325] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.570263][ T1325] ___sys_sendmsg (net/socket.c:2670) 
[ 159.570606][ T1325] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.570949][ T1325] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.571313][ T1325] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.571656][ T1325] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.572011][ T1325] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.572362][ T1325] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.572706][ T1325] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.573073][ T1325] __sys_sendmsg (net/socket.c:2700) 
[ 159.573430][ T1325] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.573769][ T1325] ? 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) 
[ 159.574133][ T1325] ? 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) 
[ 159.574479][ T1325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.574829][ T1325] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.575178][ T1325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.575603][ T1325] RIP: 0033:0x7f9db02371e7
[ 159.575961][ T1325] 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)
[  159.577156][ T1325] RSP: 002b:00007ffe59ba5f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.577672][ T1325] RAX: ffffffffffffffda RBX: 00007ffe59ba6640 RCX: 00007f9db02371e7
[  159.578199][ T1325] RDX: 0000000000000000 RSI: 00007ffe59ba5f80 RDI: 0000000000000005
[  159.578703][ T1325] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.579218][ T1325] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe59ba6678
[  159.579740][ T1325] R13: 00000000686e18f1 R14: 0000000000499600 R15: 0000000000000000
| [  159.725268][ T1327] ------------[ cut here ]------------
| [ 159.725618][ T1327] WARNING: CPU: 2 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) 
| [  159.726362][ T1327] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.727590][ T1327] Tainted: [W]=WARN
[  159.727854][ T1327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.728307][ 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) 
[ 159.728668][ T1327] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  159.729883][ T1327] RSP: 0018:ffffc900010d7080 EFLAGS: 00010246
[  159.730324][ T1327] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  159.730830][ T1327] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  159.731340][ T1327] RBP: ffffc900010d7168 R08: 0000000000000000 R09: 0000000000000000
[  159.731848][ T1327] R10: ffffc900010d7198 R11: ffffffff87ea8918 R12: 1ffff9200021ae14
[  159.732365][ T1327] R13: 00000000000005dc R14: ffffc900010d7198 R15: ffff88800f862f08
[  159.732869][ T1327] FS:  00007f08c710f800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  159.733462][ T1327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.733902][ T1327] CR2: 00000000004a1738 CR3: 0000000002521002 CR4: 0000000000772ef0
[  159.734420][ T1327] PKRU: 55555554
[  159.734681][ T1327] Call Trace:
[  159.734942][ T1327]  <TASK>
[ 159.735136][ T1327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.735487][ T1327] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.735845][ T1327] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.736288][ T1327] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.736634][ T1327] netif_set_mtu (net/core/dev.c:9652) 
[ 159.736976][ T1327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.737343][ T1327] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.737816][ T1327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.738090][ T1327] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.738555][ T1327] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.738944][ T1327] do_set_master (net/core/rtnetlink.c:2948) 
[ 159.739295][ T1327] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.739662][ T1327] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.740012][ T1327] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.740363][ T1327] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.740711][ T1327] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.741066][ T1327] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.741416][ T1327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.741763][ T1327] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.742125][ T1327] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.742479][ T1327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.742827][ T1327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.743189][ T1327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.743529][ T1327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.743874][ T1327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.744225][ T1327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.744581][ T1327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.744928][ T1327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.745282][ T1327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.745625][ T1327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.745966][ T1327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.746330][ T1327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.746670][ 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) 
[ 159.747025][ T1327] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 159.747385][ T1327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.747729][ T1327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.748088][ T1327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.748438][ T1327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.748777][ T1327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.749138][ T1327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.749506][ T1327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.749850][ T1327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.750294][ T1327] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.750649][ T1327] ___sys_sendmsg (net/socket.c:2670) 
[ 159.750995][ T1327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.751354][ T1327] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.751697][ T1327] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.752042][ T1327] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.752411][ T1327] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.752757][ T1327] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.753101][ T1327] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.753464][ T1327] __sys_sendmsg (net/socket.c:2700) 
[ 159.753808][ T1327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.754165][ 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) 
[ 159.754527][ 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) 
[ 159.754873][ T1327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.755227][ T1327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.755572][ T1327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.756000][ T1327] RIP: 0033:0x7f08c72dc1e7
[ 159.756366][ 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)
[  159.757573][ T1327] RSP: 002b:00007ffef181af58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.758092][ T1327] RAX: ffffffffffffffda RBX: 00007ffef181b680 RCX: 00007f08c72dc1e7
[  159.758606][ T1327] RDX: 0000000000000000 RSI: 00007ffef181afc0 RDI: 0000000000000005
[  159.759127][ T1327] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.759643][ T1327] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef181b6b8
[  159.760156][ T1327] R13: 00000000686e18f1 R14: 0000000000499600 R15: 0000000000000000
| [  159.913499][ T1329] ------------[ cut here ]------------
| [ 159.913978][ T1329] WARNING: CPU: 1 PID: 1329 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) 
| [  159.914866][ T1329] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.916127][ T1329] Tainted: [W]=WARN
[  159.916367][ T1329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.916774][ T1329] 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) 
[ 159.917129][ T1329] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  159.918299][ T1329] RSP: 0018:ffffc900010d7080 EFLAGS: 00010246
[  159.918695][ T1329] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  159.919176][ T1329] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  159.919700][ T1329] RBP: ffffc900010d7168 R08: 0000000000000000 R09: 0000000000000000
[  159.920205][ T1329] R10: ffffc900010d7198 R11: ffffffff87ea8918 R12: 1ffff9200021ae14
[  159.920681][ T1329] R13: 00000000000005dc R14: ffffc900010d7198 R15: ffff88800f862f08
[  159.921172][ T1329] FS:  00007f0e9d17d800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  159.921725][ T1329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.922144][ T1329] CR2: 00000000004a1738 CR3: 0000000002521005 CR4: 0000000000772ef0
[  159.922640][ T1329] PKRU: 55555554
[  159.922876][ T1329] Call Trace:
[  159.923131][ T1329]  <TASK>
[ 159.923295][ T1329] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.923622][ T1329] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.923940][ T1329] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.924341][ T1329] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.924658][ T1329] netif_set_mtu (net/core/dev.c:9652) 
[ 159.924973][ T1329] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.925316][ T1329] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.925777][ T1329] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.926018][ T1329] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.926465][ T1329] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.926829][ T1329] do_set_master (net/core/rtnetlink.c:2948) 
[ 159.927165][ T1329] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.927503][ T1329] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.927829][ T1329] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.928164][ T1329] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.928513][ T1329] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.928840][ T1329] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.929190][ T1329] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.929535][ T1329] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.929857][ T1329] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.930190][ T1329] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.930507][ T1329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.930849][ T1329] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.931184][ T1329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.931508][ T1329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.931835][ T1329] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.932158][ T1329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.932477][ T1329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.932802][ T1329] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.933146][ T1329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.933485][ T1329] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.933826][ T1329] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.934162][ T1329] ? 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) 
[ 159.934484][ T1329] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 159.934824][ T1329] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.935151][ T1329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.935480][ T1329] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.935795][ T1329] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.936131][ T1329] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.936454][ T1329] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.936777][ T1329] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.937130][ T1329] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.937526][ T1329] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.937845][ T1329] ___sys_sendmsg (net/socket.c:2670) 
[ 159.938166][ T1329] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.938484][ T1329] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 159.938803][ T1329] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 159.939128][ T1329] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 159.939471][ T1329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.939800][ T1329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 159.940127][ T1329] __sys_sendmsg (net/socket.c:2700) 
[ 159.940439][ T1329] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.940764][ T1329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.941098][ T1329] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.941421][ T1329] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.941810][ T1329] RIP: 0033:0x7f0e9d34a1e7
[ 159.942152][ T1329] 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)
[  159.943287][ T1329] RSP: 002b:00007ffc7cc64cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.943775][ T1329] RAX: ffffffffffffffda RBX: 00007ffc7cc65420 RCX: 00007f0e9d34a1e7
[  159.944253][ T1329] RDX: 0000000000000000 RSI: 00007ffc7cc64d60 RDI: 0000000000000005
[  159.944718][ T1329] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.945199][ T1329] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc7cc65458
[  159.945673][ T1329] R13: 00000000686e18f1 R14: 0000000000499600 R15: 0000000000000000
| [  160.110829][ T1331] ------------[ cut here ]------------
| [ 160.111216][ T1331] WARNING: CPU: 0 PID: 1331 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) 
| [  160.111869][ T1331] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.113075][ T1331] Tainted: [W]=WARN
[  160.113326][ T1331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.113739][ T1331] 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) 
[ 160.114091][ T1331] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  160.115286][ T1331] RSP: 0018:ffffc90001097080 EFLAGS: 00010246
[  160.115702][ T1331] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  160.116210][ T1331] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  160.116711][ T1331] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000
[  160.117216][ T1331] R10: ffffc90001097198 R11: ffffffff87ea8918 R12: 1ffff92000212e14
[  160.117712][ T1331] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88800f862f08
[  160.118213][ T1331] FS:  00007fc6e134a800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  160.118797][ T1331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.119222][ T1331] CR2: 00007fc6e15171d0 CR3: 000000000f932002 CR4: 0000000000772ef0
[  160.119732][ T1331] PKRU: 55555554
[  160.119979][ T1331] Call Trace:
[  160.120234][ T1331]  <TASK>
[ 160.120405][ T1331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.120742][ T1331] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.121085][ T1331] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.121497][ T1331] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.121842][ T1331] netif_set_mtu (net/core/dev.c:9652) 
[ 160.122181][ T1331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.122524][ T1331] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.122989][ T1331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.123248][ T1331] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.123694][ T1331] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.124083][ T1331] do_set_master (net/core/rtnetlink.c:2948) 
[ 160.124416][ T1331] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.124756][ T1331] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.125096][ T1331] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.125428][ T1331] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.125758][ T1331] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.126095][ T1331] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.126438][ T1331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.126765][ T1331] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.127125][ T1331] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.127474][ T1331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.127817][ T1331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.128183][ T1331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.128514][ T1331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.128852][ T1331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.129198][ T1331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.129541][ T1331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.129875][ T1331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.130221][ T1331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.130552][ T1331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.130888][ T1331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.131238][ T1331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.131571][ T1331] ? 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) 
[ 160.131911][ T1331] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.132259][ T1331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.132601][ T1331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.132939][ T1331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.133284][ T1331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.133623][ T1331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.133962][ T1331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.134307][ T1331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.134638][ T1331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.135082][ T1331] ___sys_sendmsg (net/socket.c:2670) 
[ 160.135414][ T1331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.135745][ T1331] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.136090][ T1331] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.136425][ T1331] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.136761][ T1331] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.137107][ T1331] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.137436][ T1331] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.137786][ T1331] __sys_sendmsg (net/socket.c:2700) 
[ 160.138134][ T1331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.138466][ T1331] ? 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) 
[ 160.138809][ T1331] ? 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) 
[ 160.139154][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.139494][ T1331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.139826][ T1331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.140244][ T1331] RIP: 0033:0x7fc6e15171e7
[ 160.140587][ T1331] 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)
[  160.141788][ T1331] RSP: 002b:00007ffe0280ed68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.142289][ T1331] RAX: ffffffffffffffda RBX: 00007ffe0280f490 RCX: 00007fc6e15171e7
[  160.142782][ T1331] RDX: 0000000000000000 RSI: 00007ffe0280edd0 RDI: 0000000000000005
[  160.143283][ T1331] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.143792][ T1331] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe0280f4c8
[  160.144294][ T1331] R13: 00000000686e18f1 R14: 0000000000499600 R15: 0000000000000000
| [  160.294652][ T1334] ------------[ cut here ]------------
| [ 160.294974][ 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) 
| [  160.295692][ T1334] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.296916][ T1334] Tainted: [W]=WARN
[  160.297186][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.297615][ 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) 
[ 160.297966][ T1334] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  160.299159][ T1334] RSP: 0018:ffffc90000ad7080 EFLAGS: 00010246
[  160.299594][ T1334] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  160.300117][ T1334] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  160.300615][ T1334] RBP: ffffc90000ad7168 R08: 0000000000000000 R09: 0000000000000000
[  160.301120][ T1334] R10: ffffc90000ad7198 R11: ffffffff87ea8918 R12: 1ffff9200015ae14
[  160.301616][ T1334] R13: 00000000000005dc R14: ffffc90000ad7198 R15: ffff88800f862f08
[  160.302148][ T1334] FS:  00007f3b1bfd1800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  160.302736][ T1334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.303175][ T1334] CR2: 00000000004a1738 CR3: 000000000be35004 CR4: 0000000000772ef0
[  160.303685][ T1334] PKRU: 55555554
[  160.303955][ T1334] Call Trace:
[  160.304219][ T1334]  <TASK>
[ 160.304393][ T1334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.304739][ T1334] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.305081][ T1334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.305498][ T1334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.305835][ T1334] netif_set_mtu (net/core/dev.c:9652) 
[ 160.306177][ T1334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.306527][ T1334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.306989][ T1334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.307256][ T1334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.307705][ T1334] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.308103][ T1334] do_set_master (net/core/rtnetlink.c:2948) 
[ 160.308446][ T1334] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.308790][ T1334] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.309141][ T1334] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.309481][ T1334] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.309812][ T1334] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.310152][ T1334] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.310489][ T1334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.310816][ T1334] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.311166][ T1334] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.311520][ T1334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.311859][ T1334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.312216][ T1334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.312546][ T1334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.312877][ T1334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.313213][ T1334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.313555][ T1334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.313896][ T1334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.314260][ T1334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.314594][ T1334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.314932][ T1334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.315284][ T1334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.315612][ 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) 
[ 160.315943][ T1334] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.316285][ T1334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.316624][ T1334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.316960][ T1334] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.317309][ T1334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.317643][ T1334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.317992][ T1334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.318339][ T1334] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.318671][ T1334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.319097][ T1334] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.319467][ T1334] ___sys_sendmsg (net/socket.c:2670) 
[ 160.319800][ T1334] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.320144][ T1334] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.320477][ T1334] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.320834][ T1334] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.321188][ T1334] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.321521][ T1334] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.321870][ T1334] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.322243][ T1334] __sys_sendmsg (net/socket.c:2700) 
[ 160.322577][ T1334] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.322916][ 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) 
[ 160.323282][ 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) 
[ 160.323637][ T1334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.323973][ T1334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.324325][ T1334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.324738][ T1334] RIP: 0033:0x7f3b1c19e1e7
[ 160.325103][ 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)
[  160.326321][ T1334] RSP: 002b:00007ffe5b9a03c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.326840][ T1334] RAX: ffffffffffffffda RBX: 00007ffe5b9a0af0 RCX: 00007f3b1c19e1e7
[  160.327353][ T1334] RDX: 0000000000000000 RSI: 00007ffe5b9a0430 RDI: 0000000000000005
[  160.327867][ T1334] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.328388][ T1334] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe5b9a0b28
[  160.328888][ T1334] R13: 00000000686e18f2 R14: 0000000000499600 R15: 0000000000000000
| [  160.489156][ T1335] ------------[ cut here ]------------
| [ 160.489568][ T1335] WARNING: CPU: 0 PID: 1335 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) 
| [  160.490266][ T1335] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.491408][ T1335] Tainted: [W]=WARN
[  160.491646][ T1335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.492057][ T1335] 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) 
[ 160.492383][ T1335] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  160.493997][ T1335] RSP: 0018:ffffc900010f7080 EFLAGS: 00010246
[  160.494407][ T1335] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  160.494891][ T1335] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  160.495376][ T1335] RBP: ffffc900010f7168 R08: 0000000000000000 R09: 0000000000000000
[  160.495847][ T1335] R10: ffffc900010f7198 R11: ffffffff87ea8918 R12: 1ffff9200021ee14
[  160.496325][ T1335] R13: 00000000000005dc R14: ffffc900010f7198 R15: ffff88800f862f08
[  160.496800][ T1335] FS:  00007fdea6906800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  160.497361][ T1335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.497822][ T1335] CR2: 00000000004a1738 CR3: 000000000bdd4002 CR4: 0000000000772ef0
[  160.498331][ T1335] PKRU: 55555554
[  160.498580][ T1335] Call Trace:
[  160.498829][ T1335]  <TASK>
[ 160.499001][ T1335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.499345][ T1335] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.499692][ T1335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.500121][ T1335] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.500480][ T1335] netif_set_mtu (net/core/dev.c:9652) 
[ 160.500831][ T1335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.501195][ T1335] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.501665][ T1335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.501919][ T1335] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.502384][ T1335] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.502758][ T1335] do_set_master (net/core/rtnetlink.c:2948) 
[ 160.503100][ T1335] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.503436][ T1335] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.503772][ T1335] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.504113][ T1335] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.504454][ T1335] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.504784][ T1335] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.505134][ T1335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.505463][ T1335] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.505803][ T1335] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.506151][ T1335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.506495][ T1335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.506836][ T1335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.507168][ T1335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.507502][ T1335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.507833][ T1335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.508169][ T1335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.508504][ T1335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.508844][ T1335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.509192][ T1335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.509543][ T1335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.509887][ T1335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.510230][ T1335] ? 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) 
[ 160.510565][ T1335] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.510908][ T1335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.511257][ T1335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.511605][ T1335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.511942][ T1335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.512283][ T1335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.512624][ T1335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.512961][ T1335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.513297][ T1335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.513716][ T1335] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.514060][ T1335] ___sys_sendmsg (net/socket.c:2670) 
[ 160.514393][ T1335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.514721][ T1335] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.515070][ T1335] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.515398][ T1335] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.515742][ T1335] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.516088][ T1335] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.516419][ T1335] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.516767][ T1335] __sys_sendmsg (net/socket.c:2700) 
[ 160.517108][ T1335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.517439][ T1335] ? 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) 
[ 160.517869][ T1335] ? 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) 
[ 160.518205][ T1335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.518523][ T1335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.518840][ T1335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.519236][ T1335] RIP: 0033:0x7fdea6ad31e7
[ 160.519568][ T1335] 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)
[  160.520714][ T1335] RSP: 002b:00007ffeaf2ee828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.521205][ T1335] RAX: ffffffffffffffda RBX: 00007ffeaf2eef50 RCX: 00007fdea6ad31e7
[  160.521676][ T1335] RDX: 0000000000000000 RSI: 00007ffeaf2ee890 RDI: 0000000000000005
[  160.522162][ T1335] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.522632][ T1335] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeaf2eef88
[  160.523168][ T1335] R13: 00000000686e18f2 R14: 0000000000499600 R15: 0000000000000000
| [  160.692943][ T1337] ------------[ cut here ]------------
| [ 160.693353][ T1337] WARNING: CPU: 0 PID: 1337 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) 
| [  160.694006][ T1337] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.695210][ T1337] Tainted: [W]=WARN
[  160.695493][ T1337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.695907][ T1337] 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) 
[ 160.696260][ T1337] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  160.697458][ T1337] RSP: 0018:ffffc90001107080 EFLAGS: 00010246
[  160.697904][ T1337] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  160.698413][ T1337] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  160.698917][ T1337] RBP: ffffc90001107168 R08: 0000000000000000 R09: 0000000000000000
[  160.699463][ T1337] R10: ffffc90001107198 R11: ffffffff87ea8918 R12: 1ffff92000220e14
[  160.699981][ T1337] R13: 00000000000005dc R14: ffffc90001107198 R15: ffff88800f862f08
[  160.700483][ T1337] FS:  00007fdf68c7d800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  160.701073][ T1337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.701491][ T1337] CR2: 00000000004a1738 CR3: 000000000bdd4004 CR4: 0000000000772ef0
[  160.701991][ T1337] PKRU: 55555554
[  160.702245][ T1337] Call Trace:
[  160.702494][ T1337]  <TASK>
[ 160.702666][ T1337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.703006][ T1337] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.703346][ T1337] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.703792][ T1337] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.704145][ T1337] netif_set_mtu (net/core/dev.c:9652) 
[ 160.704475][ T1337] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.704820][ T1337] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.705286][ T1337] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.705540][ T1337] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.705990][ T1337] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.706381][ T1337] do_set_master (net/core/rtnetlink.c:2948) 
[ 160.706722][ T1337] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.707066][ T1337] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.707407][ T1337] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.707760][ T1337] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.708101][ T1337] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.708434][ T1337] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.708772][ T1337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.709118][ T1337] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.709471][ T1337] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.709816][ T1337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.710168][ T1337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.710517][ T1337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.710855][ T1337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.711197][ T1337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.711581][ T1337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.711925][ T1337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.712268][ T1337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.712627][ T1337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.712973][ T1337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.713315][ T1337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.713658][ T1337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.713995][ T1337] ? 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) 
[ 160.714337][ T1337] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.714675][ T1337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.715005][ T1337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.715347][ T1337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.715709][ T1337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.716040][ T1337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.716395][ T1337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.716737][ T1337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.717083][ T1337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.717507][ T1337] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.717845][ T1337] ___sys_sendmsg (net/socket.c:2670) 
[ 160.718183][ T1337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.718515][ T1337] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.718856][ T1337] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.719190][ T1337] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.719573][ T1337] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.719910][ T1337] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.720243][ T1337] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.720608][ T1337] __sys_sendmsg (net/socket.c:2700) 
[ 160.720950][ T1337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.721302][ T1337] ? 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) 
[ 160.721649][ T1337] ? 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) 
[ 160.721991][ T1337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.722334][ T1337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.722668][ T1337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.723082][ T1337] RIP: 0033:0x7fdf68e4a1e7
[ 160.723445][ T1337] 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)
[  160.724645][ T1337] RSP: 002b:00007ffc5bdfd0a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.725149][ T1337] RAX: ffffffffffffffda RBX: 00007ffc5bdfd7d0 RCX: 00007fdf68e4a1e7
[  160.725642][ T1337] RDX: 0000000000000000 RSI: 00007ffc5bdfd110 RDI: 0000000000000005
[  160.726145][ T1337] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.726642][ T1337] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc5bdfd808
[  160.727138][ T1337] R13: 00000000686e18f2 R14: 0000000000499600 R15: 0000000000000000
| [  160.880385][ T1339] ------------[ cut here ]------------
| [ 160.880737][ T1339] WARNING: CPU: 2 PID: 1339 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) 
| [  160.881483][ T1339] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.882699][ T1339] Tainted: [W]=WARN
[  160.882962][ T1339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.883393][ T1339] 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) 
[ 160.883751][ T1339] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  160.884935][ T1339] RSP: 0018:ffffc90001097080 EFLAGS: 00010246
[  160.885376][ T1339] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  160.885878][ T1339] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  160.886396][ T1339] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000
[  160.886909][ T1339] R10: ffffc90001097198 R11: ffffffff87ea8918 R12: 1ffff92000212e14
[  160.887423][ T1339] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88800f862f08
[  160.887930][ T1339] FS:  00007fe143552800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  160.888526][ T1339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.889061][ T1339] CR2: 00000000004a1738 CR3: 00000000090ac006 CR4: 0000000000772ef0
[  160.889581][ T1339] PKRU: 55555554
[  160.889833][ T1339] Call Trace:
[  160.890094][ T1339]  <TASK>
[ 160.890271][ T1339] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.890616][ T1339] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.890965][ T1339] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.891380][ T1339] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.891714][ T1339] netif_set_mtu (net/core/dev.c:9652) 
[ 160.892058][ T1339] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.892398][ T1339] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.892854][ T1339] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.893121][ T1339] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.893573][ T1339] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.893947][ T1339] do_set_master (net/core/rtnetlink.c:2948) 
[ 160.894287][ T1339] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.894618][ T1339] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.894948][ T1339] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.895284][ T1339] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.895616][ T1339] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.895946][ T1339] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.896289][ T1339] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.896663][ T1339] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.897023][ T1339] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.897378][ T1339] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.897718][ T1339] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.898096][ T1339] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.898440][ T1339] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.898791][ T1339] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.899140][ T1339] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.899493][ T1339] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.899836][ T1339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.900185][ T1339] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.900518][ T1339] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.900854][ T1339] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.901199][ T1339] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.901529][ T1339] ? 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) 
[ 160.901862][ T1339] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.902210][ T1339] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.902544][ T1339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.902878][ T1339] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.903225][ T1339] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.903563][ T1339] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.903899][ T1339] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.904244][ T1339] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.904566][ T1339] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.904997][ T1339] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.905369][ T1339] ___sys_sendmsg (net/socket.c:2670) 
[ 160.905696][ T1339] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.906025][ T1339] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.906392][ T1339] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.906739][ T1339] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.907103][ T1339] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.907459][ T1339] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.907805][ T1339] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.908173][ T1339] __sys_sendmsg (net/socket.c:2700) 
[ 160.908517][ T1339] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.908863][ T1339] ? 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) 
[ 160.909223][ T1339] ? 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) 
[ 160.909589][ T1339] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.909947][ T1339] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.910311][ T1339] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.910739][ T1339] RIP: 0033:0x7fe14371f1e7
[ 160.911101][ T1339] 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)
[  160.912325][ T1339] RSP: 002b:00007ffccd209368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.912842][ T1339] RAX: ffffffffffffffda RBX: 00007ffccd209a90 RCX: 00007fe14371f1e7
[  160.913359][ T1339] RDX: 0000000000000000 RSI: 00007ffccd2093d0 RDI: 0000000000000005
[  160.913866][ T1339] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.914387][ T1339] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffccd209ac8
[  160.914898][ T1339] R13: 00000000686e18f2 R14: 0000000000499600 R15: 0000000000000000
| [  161.059661][ T1342] ------------[ cut here ]------------
| [ 161.060009][ T1342] WARNING: CPU: 3 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) 
| [  161.060737][ T1342] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.061937][ T1342] Tainted: [W]=WARN
[  161.062203][ T1342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.062620][ 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) 
[ 161.062963][ T1342] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  161.064306][ T1342] RSP: 0018:ffffc90000e07080 EFLAGS: 00010246
[  161.064756][ T1342] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  161.065391][ T1342] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  161.065863][ T1342] RBP: ffffc90000e07168 R08: 0000000000000000 R09: 0000000000000000
[  161.066357][ T1342] R10: ffffc90000e07198 R11: ffffffff87ea8918 R12: 1ffff920001c0e14
[  161.066837][ T1342] R13: 00000000000005dc R14: ffffc90000e07198 R15: ffff88800f862f08
[  161.067316][ T1342] FS:  00007f75fd890800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  161.067865][ T1342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.068277][ T1342] CR2: 00000000004a1738 CR3: 000000000b1bc006 CR4: 0000000000772ef0
[  161.068763][ T1342] PKRU: 55555554
[  161.069000][ T1342] Call Trace:
[  161.069244][ T1342]  <TASK>
[ 161.069414][ T1342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.069742][ T1342] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.070078][ T1342] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.070479][ T1342] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.070800][ T1342] netif_set_mtu (net/core/dev.c:9652) 
[ 161.071128][ T1342] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.071466][ T1342] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.071911][ T1342] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.072165][ T1342] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.072611][ T1342] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.072982][ T1342] do_set_master (net/core/rtnetlink.c:2948) 
[ 161.073304][ T1342] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.073619][ T1342] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.073944][ T1342] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.074267][ T1342] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.074589][ T1342] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.074920][ T1342] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.075269][ T1342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.075581][ T1342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.075901][ T1342] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.076235][ T1342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.076555][ T1342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.076884][ T1342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.077204][ T1342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.077523][ T1342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.077835][ T1342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.078157][ T1342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.078477][ T1342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.078796][ T1342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.079133][ T1342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.079458][ T1342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.079785][ T1342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.080105][ 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) 
[ 161.080426][ T1342] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 161.080747][ T1342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.081070][ T1342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.081402][ T1342] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.081721][ T1342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.082035][ T1342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.082379][ T1342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.082700][ T1342] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.083014][ T1342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.083415][ T1342] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.083750][ T1342] ___sys_sendmsg (net/socket.c:2670) 
[ 161.084078][ T1342] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.084393][ T1342] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.084711][ T1342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.085025][ T1342] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.085358][ T1342] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.085682][ T1342] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.085999][ T1342] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.086339][ T1342] __sys_sendmsg (net/socket.c:2700) 
[ 161.086658][ T1342] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.086980][ 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) 
[ 161.087317][ 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) 
[ 161.087645][ T1342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.087966][ T1342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.088292][ T1342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.088684][ T1342] RIP: 0033:0x7f75fda5d1e7
[ 161.089009][ 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)
[  161.090226][ T1342] RSP: 002b:00007ffd97c40c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.090703][ T1342] RAX: ffffffffffffffda RBX: 00007ffd97c41390 RCX: 00007f75fda5d1e7
[  161.091184][ T1342] RDX: 0000000000000000 RSI: 00007ffd97c40cd0 RDI: 0000000000000005
[  161.091658][ T1342] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.092143][ T1342] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd97c413c8
[  161.092615][ T1342] R13: 00000000686e18f2 R14: 0000000000499600 R15: 0000000000000000
| [  161.273997][ T1343] ------------[ cut here ]------------
| [ 161.274419][ T1343] WARNING: CPU: 3 PID: 1343 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) 
| [  161.275084][ T1343] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.276279][ T1343] Tainted: [W]=WARN
[  161.276530][ T1343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.276943][ T1343] 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) 
[ 161.277292][ T1343] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  161.278480][ T1343] RSP: 0018:ffffc90001097080 EFLAGS: 00010246
[  161.278901][ T1343] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  161.279412][ T1343] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  161.279911][ T1343] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000
[  161.280392][ T1343] R10: ffffc90001097198 R11: ffffffff87ea8918 R12: 1ffff92000212e14
[  161.280866][ T1343] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88800f862f08
[  161.281347][ T1343] FS:  00007f0438b2e800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  161.281890][ T1343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.282294][ T1343] CR2: 00007f21c71aeff0 CR3: 0000000009369006 CR4: 0000000000772ef0
[  161.282771][ T1343] PKRU: 55555554
[  161.283018][ T1343] Call Trace:
[  161.283264][ T1343]  <TASK>
[ 161.283430][ T1343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.283750][ T1343] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.284078][ T1343] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.284478][ T1343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.284798][ T1343] netif_set_mtu (net/core/dev.c:9652) 
[ 161.285117][ T1343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.285445][ T1343] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.285889][ T1343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.286140][ T1343] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.286570][ T1343] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.286931][ T1343] do_set_master (net/core/rtnetlink.c:2948) 
[ 161.287261][ T1343] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.287578][ T1343] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.287899][ T1343] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.288225][ T1343] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.288542][ T1343] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.288864][ T1343] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.289199][ T1343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.289536][ T1343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.289859][ T1343] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.290198][ T1343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.290525][ T1343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.290865][ T1343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.291197][ T1343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.291516][ T1343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.291832][ T1343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.292159][ T1343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.292483][ T1343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.292804][ T1343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.293128][ T1343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.293450][ T1343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.293778][ T1343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.294101][ T1343] ? 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) 
[ 161.294422][ T1343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 161.294770][ T1343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.295097][ T1343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.295433][ T1343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.295756][ T1343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.296084][ T1343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.296407][ T1343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.296731][ T1343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.297043][ T1343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.297455][ T1343] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.297783][ T1343] ___sys_sendmsg (net/socket.c:2670) 
[ 161.298112][ T1343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.298433][ T1343] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.298755][ T1343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.299080][ T1343] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.299410][ T1343] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.299738][ T1343] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.300060][ T1343] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.300391][ T1343] __sys_sendmsg (net/socket.c:2700) 
[ 161.300711][ T1343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.301027][ T1343] ? 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) 
[ 161.301366][ T1343] ? 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) 
[ 161.301692][ T1343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.302016][ T1343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.302341][ T1343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.302733][ T1343] RIP: 0033:0x7f0438cfb1e7
[ 161.303064][ T1343] 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)
[  161.304196][ T1343] RSP: 002b:00007ffdee7011b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.304680][ T1343] RAX: ffffffffffffffda RBX: 00007ffdee7018e0 RCX: 00007f0438cfb1e7
[  161.305160][ T1343] RDX: 0000000000000000 RSI: 00007ffdee701220 RDI: 0000000000000005
[  161.305640][ T1343] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.306127][ T1343] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdee701918
[  161.306663][ T1343] R13: 00000000686e18f3 R14: 0000000000499600 R15: 0000000000000000
| [  161.455587][ T1345] ------------[ cut here ]------------
| [ 161.455905][ T1345] WARNING: CPU: 3 PID: 1345 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) 
| [  161.456610][ T1345] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.457768][ T1345] Tainted: [W]=WARN
[  161.458009][ T1345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.458501][ T1345] 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) 
[ 161.458839][ T1345] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  161.460024][ T1345] RSP: 0018:ffffc90000e07080 EFLAGS: 00010246
[  161.460433][ T1345] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  161.460904][ T1345] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  161.461386][ T1345] RBP: ffffc90000e07168 R08: 0000000000000000 R09: 0000000000000000
[  161.461855][ T1345] R10: ffffc90000e07198 R11: ffffffff87ea8918 R12: 1ffff920001c0e14
[  161.462334][ T1345] R13: 00000000000005dc R14: ffffc90000e07198 R15: ffff88800f862f08
[  161.462808][ T1345] FS:  00007fb982019800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  161.463365][ T1345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.463762][ T1345] CR2: 00000000004a1738 CR3: 00000000090ac004 CR4: 0000000000772ef0
[  161.464237][ T1345] PKRU: 55555554
[  161.464472][ T1345] Call Trace:
[  161.464708][ T1345]  <TASK>
[ 161.464880][ T1345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.465221][ T1345] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.465546][ T1345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.465946][ T1345] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.466271][ T1345] netif_set_mtu (net/core/dev.c:9652) 
[ 161.466592][ T1345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.466922][ T1345] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.467376][ T1345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.467621][ T1345] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.468058][ T1345] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.468423][ T1345] do_set_master (net/core/rtnetlink.c:2948) 
[ 161.468740][ T1345] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.469067][ T1345] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.469390][ T1345] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.469710][ T1345] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.470026][ T1345] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.470350][ T1345] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.470673][ T1345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.470986][ T1345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.471317][ T1345] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.471651][ T1345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.471977][ T1345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.472316][ T1345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.472635][ T1345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.472961][ T1345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.473286][ T1345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.473610][ T1345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.473934][ T1345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.474268][ T1345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.474593][ T1345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.474919][ T1345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.475275][ T1345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.475588][ T1345] ? 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) 
[ 161.475908][ T1345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 161.476236][ T1345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.476552][ T1345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.476870][ T1345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.477200][ T1345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.477523][ T1345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.477850][ T1345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.478177][ T1345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.478509][ T1345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.478909][ T1345] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.479248][ T1345] ___sys_sendmsg (net/socket.c:2670) 
[ 161.479582][ T1345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.479904][ T1345] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.480235][ T1345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.480554][ T1345] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.480884][ T1345] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.481216][ T1345] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.481530][ T1345] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.481870][ T1345] __sys_sendmsg (net/socket.c:2700) 
[ 161.482200][ T1345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.482516][ T1345] ? 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) 
[ 161.482840][ T1345] ? 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) 
[ 161.483163][ T1345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.483485][ T1345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.483801][ T1345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.484207][ T1345] RIP: 0033:0x7fb9821e61e7
[ 161.484536][ T1345] 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)
[  161.485656][ T1345] RSP: 002b:00007fff3a7422a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.486145][ T1345] RAX: ffffffffffffffda RBX: 00007fff3a7429d0 RCX: 00007fb9821e61e7
[  161.486629][ T1345] RDX: 0000000000000000 RSI: 00007fff3a742310 RDI: 0000000000000005
[  161.487139][ T1345] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.487619][ T1345] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff3a742a08
[  161.488104][ T1345] R13: 00000000686e18f3 R14: 0000000000499600 R15: 0000000000000000
| [  161.642652][ T1348] ------------[ cut here ]------------
| [ 161.642977][ 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) 
| [  161.643614][ T1348] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.645129][ T1348] Tainted: [W]=WARN
[  161.645458][ T1348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.645857][ 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) 
[ 161.646195][ T1348] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  161.647327][ T1348] RSP: 0018:ffffc90000e07080 EFLAGS: 00010246
[  161.647731][ T1348] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  161.648219][ T1348] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  161.648694][ T1348] RBP: ffffc90000e07168 R08: 0000000000000000 R09: 0000000000000000
[  161.649177][ T1348] R10: ffffc90000e07198 R11: ffffffff87ea8918 R12: 1ffff920001c0e14
[  161.649663][ T1348] R13: 00000000000005dc R14: ffffc90000e07198 R15: ffff88800f862f08
[  161.650143][ T1348] FS:  00007f07b5392800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  161.650696][ T1348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.651101][ T1348] CR2: 00000000004a1738 CR3: 0000000004f61003 CR4: 0000000000772ef0
[  161.651586][ T1348] PKRU: 55555554
[  161.651827][ T1348] Call Trace:
[  161.652083][ T1348]  <TASK>
[ 161.652255][ T1348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.652580][ T1348] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.652901][ T1348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.653305][ T1348] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.653623][ T1348] netif_set_mtu (net/core/dev.c:9652) 
[ 161.653944][ T1348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.654283][ T1348] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.654730][ T1348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.654971][ T1348] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.655412][ T1348] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.655804][ T1348] do_set_master (net/core/rtnetlink.c:2948) 
[ 161.656130][ T1348] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.656453][ T1348] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.656782][ T1348] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.657108][ T1348] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.657432][ T1348] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.657751][ T1348] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.658083][ T1348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.658398][ T1348] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.658741][ T1348] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.659077][ T1348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.659408][ T1348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.659738][ T1348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.660058][ T1348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.660378][ T1348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.660700][ T1348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.661019][ T1348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.661352][ T1348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.661677][ T1348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.661990][ T1348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.662317][ T1348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.662642][ T1348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.662955][ 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) 
[ 161.663276][ T1348] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 161.663591][ T1348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.663902][ T1348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.664260][ T1348] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.664582][ T1348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.664905][ T1348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.665242][ T1348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.665566][ T1348] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.665879][ T1348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.666283][ T1348] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.666605][ T1348] ___sys_sendmsg (net/socket.c:2670) 
[ 161.666924][ T1348] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.667261][ T1348] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.667587][ T1348] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.667909][ T1348] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.668241][ T1348] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.668563][ T1348] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.668878][ T1348] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.669219][ T1348] __sys_sendmsg (net/socket.c:2700) 
[ 161.669544][ T1348] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.669861][ 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) 
[ 161.670195][ 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) 
[ 161.670515][ T1348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.670831][ T1348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.671157][ T1348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.671551][ T1348] RIP: 0033:0x7f07b555f1e7
[ 161.671887][ 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)
[  161.673034][ T1348] RSP: 002b:00007ffddceb47d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.673519][ T1348] RAX: ffffffffffffffda RBX: 00007ffddceb4f00 RCX: 00007f07b555f1e7
[  161.673993][ T1348] RDX: 0000000000000000 RSI: 00007ffddceb4840 RDI: 0000000000000005
[  161.674471][ T1348] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.674940][ T1348] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffddceb4f38
[  161.675753][ T1348] R13: 00000000686e18f3 R14: 0000000000499600 R15: 0000000000000000
| [  161.830233][ T1349] ------------[ cut here ]------------
| [ 161.830549][ T1349] WARNING: CPU: 3 PID: 1349 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) 
| [  161.831264][ T1349] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.832405][ T1349] Tainted: [W]=WARN
[  161.832649][ T1349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.833055][ T1349] 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) 
[ 161.833389][ T1349] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  161.834522][ T1349] RSP: 0018:ffffc90001097080 EFLAGS: 00010246
[  161.834931][ T1349] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  161.835413][ T1349] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  161.835888][ T1349] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000
[  161.836372][ T1349] R10: ffffc90001097198 R11: ffffffff87ea8918 R12: 1ffff92000212e14
[  161.836855][ T1349] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88800f862f08
[  161.837332][ T1349] FS:  00007fc8d35e1800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  161.837896][ T1349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.838306][ T1349] CR2: 00000000004a1738 CR3: 000000001b2b6002 CR4: 0000000000772ef0
[  161.838785][ T1349] PKRU: 55555554
[  161.839023][ T1349] Call Trace:
[  161.839278][ T1349]  <TASK>
[ 161.839461][ T1349] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.839785][ T1349] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.840115][ T1349] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.840520][ T1349] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.840838][ T1349] netif_set_mtu (net/core/dev.c:9652) 
[ 161.841159][ T1349] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.841483][ T1349] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.841923][ T1349] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.842170][ T1349] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.842610][ T1349] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.842989][ T1349] do_set_master (net/core/rtnetlink.c:2948) 
[ 161.843313][ T1349] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.843642][ T1349] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.843989][ T1349] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.844311][ T1349] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.844628][ T1349] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.844942][ T1349] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.845270][ T1349] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.845585][ T1349] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.845906][ T1349] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.846243][ T1349] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.846656][ T1349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.846987][ T1349] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.847305][ T1349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.847626][ T1349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.847976][ T1349] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.848306][ T1349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.848625][ T1349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.848955][ T1349] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.849283][ T1349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.849638][ T1349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.849967][ T1349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.850293][ T1349] ? 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) 
[ 161.850613][ T1349] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 161.850930][ T1349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.851251][ T1349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.851576][ T1349] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.851895][ T1349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.852221][ T1349] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.852547][ T1349] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.852868][ T1349] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.853190][ T1349] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.853584][ T1349] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.853904][ T1349] ___sys_sendmsg (net/socket.c:2670) 
[ 161.854233][ T1349] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.854553][ T1349] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.854876][ T1349] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.855199][ T1349] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.855524][ T1349] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.855840][ T1349] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.856164][ T1349] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.856506][ T1349] __sys_sendmsg (net/socket.c:2700) 
[ 161.856824][ T1349] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.857165][ T1349] ? 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) 
[ 161.857490][ T1349] ? 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) 
[ 161.857809][ T1349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.858146][ T1349] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.858470][ T1349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.858869][ T1349] RIP: 0033:0x7fc8d37ae1e7
[ 161.859207][ T1349] 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)
[  161.860377][ T1349] RSP: 002b:00007fffc18f7d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.860873][ T1349] RAX: ffffffffffffffda RBX: 00007fffc18f84a0 RCX: 00007fc8d37ae1e7
[  161.861355][ T1349] RDX: 0000000000000000 RSI: 00007fffc18f7de0 RDI: 0000000000000005
[  161.861828][ T1349] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.862306][ T1349] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffc18f84d8
[  161.862783][ T1349] R13: 00000000686e18f3 R14: 0000000000499600 R15: 0000000000000000
| [  162.022404][ T1351] ------------[ cut here ]------------
| [ 162.022715][ T1351] WARNING: CPU: 0 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) 
| [  162.023441][ T1351] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.024576][ T1351] Tainted: [W]=WARN
[  162.024815][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.025223][ 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) 
[ 162.025548][ T1351] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  162.026682][ T1351] RSP: 0018:ffffc90001137080 EFLAGS: 00010246
[  162.027089][ T1351] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  162.027668][ T1351] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  162.028161][ T1351] RBP: ffffc90001137168 R08: 0000000000000000 R09: 0000000000000000
[  162.028635][ T1351] R10: ffffc90001137198 R11: ffffffff87ea8918 R12: 1ffff92000226e14
[  162.029114][ T1351] R13: 00000000000005dc R14: ffffc90001137198 R15: ffff88800f862f08
[  162.029598][ T1351] FS:  00007f4244ca5800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  162.030151][ T1351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.030545][ T1351] CR2: 00000000004a1738 CR3: 0000000008ac7003 CR4: 0000000000772ef0
[  162.031026][ T1351] PKRU: 55555554
[  162.031273][ T1351] Call Trace:
[  162.031512][ T1351]  <TASK>
[ 162.031678][ T1351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.032002][ T1351] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.032333][ T1351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.032733][ T1351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.033065][ T1351] netif_set_mtu (net/core/dev.c:9652) 
[ 162.033387][ T1351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.033720][ T1351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.034175][ T1351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.034418][ T1351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.034884][ T1351] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.035258][ T1351] do_set_master (net/core/rtnetlink.c:2948) 
[ 162.035579][ T1351] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.035897][ T1351] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.036228][ T1351] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.036544][ T1351] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.036870][ T1351] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.037198][ T1351] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.037545][ T1351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.037856][ T1351] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.038187][ T1351] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.038518][ T1351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.038837][ T1351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.039181][ T1351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.039509][ T1351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.039826][ T1351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.040150][ T1351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.040467][ T1351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.040786][ T1351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.041112][ T1351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.041431][ T1351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.041749][ T1351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.042082][ T1351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.042396][ 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) 
[ 162.042712][ T1351] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 162.043027][ T1351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.043352][ T1351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.043672][ T1351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.043990][ T1351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.044310][ T1351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.044632][ T1351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.044954][ T1351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.045278][ T1351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.045680][ T1351] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.046003][ T1351] ___sys_sendmsg (net/socket.c:2670) 
[ 162.046347][ T1351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.046664][ T1351] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.046984][ T1351] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.047315][ T1351] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.047648][ T1351] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.047966][ T1351] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.048287][ T1351] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.048621][ T1351] __sys_sendmsg (net/socket.c:2700) 
[ 162.048936][ T1351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.049264][ 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) 
[ 162.049611][ 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) 
[ 162.049933][ T1351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.050261][ T1351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.050579][ T1351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.050976][ T1351] RIP: 0033:0x7f4244e721e7
[ 162.051310][ 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)
[  162.052443][ T1351] RSP: 002b:00007ffd6313ba58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.052924][ T1351] RAX: ffffffffffffffda RBX: 00007ffd6313c180 RCX: 00007f4244e721e7
[  162.053410][ T1351] RDX: 0000000000000000 RSI: 00007ffd6313bac0 RDI: 0000000000000005
[  162.053889][ T1351] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.054378][ T1351] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd6313c1b8
[  162.054857][ T1351] R13: 00000000686e18f3 R14: 0000000000499600 R15: 0000000000000000
| [  162.408580][ T1357] ------------[ cut here ]------------
| [ 162.408893][ T1357] WARNING: CPU: 0 PID: 1357 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) 
| [  162.409531][ T1357] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.410662][ T1357] Tainted: [W]=WARN
[  162.410902][ T1357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.411304][ T1357] 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) 
[ 162.411627][ T1357] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  162.412756][ T1357] RSP: 0018:ffffc90001157080 EFLAGS: 00010246
[  162.413170][ T1357] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  162.413642][ T1357] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  162.414128][ T1357] RBP: ffffc90001157168 R08: 0000000000000000 R09: 0000000000000000
[  162.414606][ T1357] R10: ffffc90001157198 R11: ffffffff87ea8918 R12: 1ffff9200022ae14
[  162.415084][ T1357] R13: 00000000000005dc R14: ffffc90001157198 R15: ffff88800b27af08
[  162.415562][ T1357] FS:  00007efcef48a800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  162.416128][ T1357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.416517][ T1357] CR2: 00000000004a1738 CR3: 0000000008ac7005 CR4: 0000000000772ef0
[  162.416991][ T1357] PKRU: 55555554
[  162.417233][ T1357] Call Trace:
[  162.417469][ T1357]  <TASK>
[ 162.417629][ T1357] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.417951][ T1357] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.418279][ T1357] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.418671][ T1357] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.418990][ T1357] netif_set_mtu (net/core/dev.c:9652) 
[ 162.419315][ T1357] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.419660][ T1357] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.420119][ T1357] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.420370][ T1357] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.420803][ T1357] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.421182][ T1357] do_set_master (net/core/rtnetlink.c:2948) 
[ 162.421501][ T1357] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.421821][ T1357] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.422150][ T1357] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.422464][ T1357] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.422783][ T1357] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.423106][ T1357] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.423425][ T1357] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.423740][ T1357] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.424070][ T1357] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.424397][ T1357] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.424717][ T1357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.425043][ T1357] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.425360][ T1357] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.425675][ T1357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.425988][ T1357] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.426319][ T1357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.426640][ T1357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.426960][ T1357] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.427284][ T1357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.427600][ T1357] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.427930][ T1357] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.428259][ T1357] ? 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) 
[ 162.428581][ T1357] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 162.428989][ T1357] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.429316][ T1357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.429755][ T1357] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.430082][ T1357] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.430401][ T1357] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.430727][ T1357] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.431060][ T1357] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.431382][ T1357] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.431777][ T1357] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.432110][ T1357] ___sys_sendmsg (net/socket.c:2670) 
[ 162.432427][ T1357] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.432746][ T1357] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.433073][ T1357] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.433392][ T1357] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.433711][ T1357] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.434024][ T1357] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.434345][ T1357] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.434678][ T1357] __sys_sendmsg (net/socket.c:2700) 
[ 162.434998][ T1357] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.435317][ T1357] ? 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) 
[ 162.435648][ T1357] ? 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) 
[ 162.435971][ T1357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.436299][ T1357] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.436616][ T1357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.437009][ T1357] RIP: 0033:0x7efcef6571e7
[ 162.437342][ T1357] 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)
[  162.438476][ T1357] RSP: 002b:00007ffd713aaf28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.438952][ T1357] RAX: ffffffffffffffda RBX: 00007ffd713ab650 RCX: 00007efcef6571e7
[  162.440381][ T1357] RDX: 0000000000000000 RSI: 00007ffd713aaf90 RDI: 0000000000000005
[  162.440872][ T1357] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.441363][ T1357] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd713ab688
[  162.441846][ T1357] R13: 00000000686e18f4 R14: 0000000000499600 R15: 0000000000000000
| [  162.589070][ T1358] ------------[ cut here ]------------
| [ 162.589416][ T1358] WARNING: CPU: 2 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) 
| [  162.590082][ T1358] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.591253][ T1358] Tainted: [W]=WARN
[  162.591509][ T1358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.591919][ 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) 
[ 162.592273][ T1358] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  162.593458][ T1358] RSP: 0018:ffffc90001177080 EFLAGS: 00010246
[  162.593877][ T1358] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  162.594371][ T1358] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  162.594858][ T1358] RBP: ffffc90001177168 R08: 0000000000000000 R09: 0000000000000000
[  162.595464][ T1358] R10: ffffc90001177198 R11: ffffffff87ea8918 R12: 1ffff9200022ee14
[  162.595948][ T1358] R13: 00000000000005dc R14: ffffc90001177198 R15: ffff88800b27af08
[  162.596438][ T1358] FS:  00007f5415bda800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  162.597005][ T1358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.597435][ T1358] CR2: 00000000004a1738 CR3: 0000000004ed0005 CR4: 0000000000772ef0
[  162.597921][ T1358] PKRU: 55555554
[  162.598178][ T1358] Call Trace:
[  162.598426][ T1358]  <TASK>
[ 162.598607][ T1358] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.598954][ T1358] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.599317][ T1358] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.599745][ T1358] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.600089][ T1358] netif_set_mtu (net/core/dev.c:9652) 
[ 162.600418][ T1358] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.600758][ T1358] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.601224][ T1358] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.601480][ T1358] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.601929][ T1358] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.602320][ T1358] do_set_master (net/core/rtnetlink.c:2948) 
[ 162.602650][ T1358] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.602983][ T1358] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.603326][ T1358] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.603651][ T1358] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.603982][ T1358] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.604326][ T1358] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.604660][ T1358] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.604986][ T1358] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.605328][ T1358] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.605672][ T1358] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.606012][ T1358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.606365][ T1358] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.606699][ T1358] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.607033][ T1358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.607374][ T1358] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.607704][ T1358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.608042][ T1358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.608397][ T1358] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.608735][ T1358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.609081][ T1358] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.609436][ T1358] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.609763][ 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) 
[ 162.610100][ T1358] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 162.610431][ T1358] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.610760][ T1358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.611101][ T1358] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.611452][ T1358] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.611785][ T1358] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.612143][ T1358] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.612478][ T1358] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.612809][ T1358] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.613230][ T1358] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.613596][ T1358] ___sys_sendmsg (net/socket.c:2670) 
[ 162.613941][ T1358] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.614293][ T1358] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.614623][ T1358] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.614951][ T1358] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.615297][ T1358] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.615629][ T1358] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.615958][ T1358] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.616320][ T1358] __sys_sendmsg (net/socket.c:2700) 
[ 162.616650][ T1358] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.616981][ 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) 
[ 162.617328][ 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) 
[ 162.617661][ T1358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.617997][ T1358] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.618363][ T1358] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.618773][ T1358] RIP: 0033:0x7f5415da71e7
[ 162.619137][ 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)
[  162.620300][ T1358] RSP: 002b:00007ffdd0512ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.620798][ T1358] RAX: ffffffffffffffda RBX: 00007ffdd05131f0 RCX: 00007f5415da71e7
[  162.621294][ T1358] RDX: 0000000000000000 RSI: 00007ffdd0512b30 RDI: 0000000000000005
[  162.621777][ T1358] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.622268][ T1358] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdd0513228
[  162.622754][ T1358] R13: 00000000686e18f4 R14: 0000000000499600 R15: 0000000000000000
| [  162.762600][ T1360] ------------[ cut here ]------------
| [ 162.762917][ T1360] WARNING: CPU: 3 PID: 1360 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) 
| [  162.764004][ T1360] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.765162][ T1360] Tainted: [W]=WARN
[  162.765413][ T1360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.765815][ T1360] 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) 
[ 162.766156][ T1360] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  162.767303][ T1360] RSP: 0018:ffffc90001097080 EFLAGS: 00010246
[  162.767711][ T1360] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  162.768197][ T1360] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  162.768828][ T1360] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000
[  162.769311][ T1360] R10: ffffc90001097198 R11: ffffffff87ea8918 R12: 1ffff92000212e14
[  162.769800][ T1360] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88800b27af08
[  162.770284][ T1360] FS:  00007ffaf89a5800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  162.770860][ T1360] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.771288][ T1360] CR2: 00007fb4a9e4de80 CR3: 0000000004cc0003 CR4: 0000000000772ef0
[  162.771764][ T1360] PKRU: 55555554
[  162.772003][ T1360] Call Trace:
[  162.772265][ T1360]  <TASK>
[ 162.772436][ T1360] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.772777][ T1360] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.773123][ T1360] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.773525][ T1360] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.773849][ T1360] netif_set_mtu (net/core/dev.c:9652) 
[ 162.774177][ T1360] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.774506][ T1360] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.774957][ T1360] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.775207][ T1360] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.775640][ T1360] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.776007][ T1360] do_set_master (net/core/rtnetlink.c:2948) 
[ 162.776335][ T1360] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.776653][ T1360] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.776973][ T1360] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.777292][ T1360] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.777605][ T1360] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.777928][ T1360] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.778266][ T1360] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.778576][ T1360] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.778904][ T1360] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.779243][ T1360] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.779578][ T1360] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.779911][ T1360] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.780232][ T1360] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.780551][ T1360] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.780868][ T1360] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.781203][ T1360] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.781531][ T1360] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.781852][ T1360] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.782177][ T1360] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.782498][ T1360] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.782826][ T1360] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.783146][ T1360] ? 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) 
[ 162.783467][ T1360] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 162.783784][ T1360] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.784106][ T1360] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.784428][ T1360] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.784748][ T1360] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.785072][ T1360] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.785411][ T1360] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.785735][ T1360] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.786055][ T1360] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.786457][ T1360] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.786780][ T1360] ___sys_sendmsg (net/socket.c:2670) 
[ 162.787103][ T1360] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.787416][ T1360] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.787737][ T1360] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.788058][ T1360] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.788379][ T1360] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.788692][ T1360] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.789015][ T1360] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.789357][ T1360] __sys_sendmsg (net/socket.c:2700) 
[ 162.789691][ T1360] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.790007][ T1360] ? 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) 
[ 162.790344][ T1360] ? 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) 
[ 162.790666][ T1360] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.790985][ T1360] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.791317][ T1360] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.791727][ T1360] RIP: 0033:0x7ffaf8b721e7
[ 162.792066][ T1360] 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)
[  162.793226][ T1360] RSP: 002b:00007ffe42476688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.793716][ T1360] RAX: ffffffffffffffda RBX: 00007ffe42476db0 RCX: 00007ffaf8b721e7
[  162.794204][ T1360] RDX: 0000000000000000 RSI: 00007ffe424766f0 RDI: 0000000000000005
[  162.794683][ T1360] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.795172][ T1360] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe42476de8
[  162.795651][ T1360] R13: 00000000686e18f4 R14: 0000000000499600 R15: 0000000000000000
| [  162.961867][ T1362] ------------[ cut here ]------------
| [ 162.962290][ T1362] WARNING: CPU: 1 PID: 1362 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) 
| [  162.962944][ T1362] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.964300][ T1362] Tainted: [W]=WARN
[  162.964547][ T1362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.964943][ T1362] 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) 
[ 162.965441][ T1362] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  162.966606][ T1362] RSP: 0018:ffffc90000e07080 EFLAGS: 00010246
[  162.967010][ T1362] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  162.967504][ T1362] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  162.967987][ T1362] RBP: ffffc90000e07168 R08: 0000000000000000 R09: 0000000000000000
[  162.968471][ T1362] R10: ffffc90000e07198 R11: ffffffff87ea8918 R12: 1ffff920001c0e14
[  162.968945][ T1362] R13: 00000000000005dc R14: ffffc90000e07198 R15: ffff88800b27af08
[  162.969473][ T1362] FS:  00007fc880725800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  162.970041][ T1362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.970451][ T1362] CR2: 00000000004a1738 CR3: 000000000ec30005 CR4: 0000000000772ef0
[  162.970928][ T1362] PKRU: 55555554
[  162.971178][ T1362] Call Trace:
[  162.971419][ T1362]  <TASK>
[ 162.971584][ T1362] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.971910][ T1362] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.972249][ T1362] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.972658][ T1362] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.972984][ T1362] netif_set_mtu (net/core/dev.c:9652) 
[ 162.973325][ T1362] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.973657][ T1362] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.974113][ T1362] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.974356][ T1362] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.974822][ T1362] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.975200][ T1362] do_set_master (net/core/rtnetlink.c:2948) 
[ 162.975532][ T1362] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.975855][ T1362] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.976190][ T1362] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.976505][ T1362] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.976832][ T1362] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.977168][ T1362] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.977494][ T1362] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.977819][ T1362] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.978156][ T1362] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.978488][ T1362] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.978811][ T1362] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.979158][ T1362] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.979499][ T1362] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.979838][ T1362] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.980172][ T1362] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.980494][ T1362] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.980826][ T1362] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.981178][ T1362] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.981507][ T1362] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.981824][ T1362] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.982186][ T1362] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.982511][ T1362] ? 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) 
[ 162.982833][ T1362] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 162.983177][ T1362] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.983494][ T1362] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.983868][ T1362] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.984211][ T1362] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.984540][ T1362] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.984870][ T1362] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.985214][ T1362] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.985538][ T1362] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.985937][ T1362] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.986273][ T1362] ___sys_sendmsg (net/socket.c:2670) 
[ 162.986593][ T1362] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.986922][ T1362] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.987257][ T1362] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.987574][ T1362] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.987898][ T1362] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.988225][ T1362] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.988538][ T1362] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.988871][ T1362] __sys_sendmsg (net/socket.c:2700) 
[ 162.989205][ T1362] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.989535][ T1362] ? 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) 
[ 162.989867][ T1362] ? 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) 
[ 162.990202][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.990527][ T1362] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.990845][ T1362] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.991254][ T1362] RIP: 0033:0x7fc8808f21e7
[ 162.991596][ T1362] 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)
[  162.992732][ T1362] RSP: 002b:00007ffe76b85698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.993252][ T1362] RAX: ffffffffffffffda RBX: 00007ffe76b85dc0 RCX: 00007fc8808f21e7
[  162.993734][ T1362] RDX: 0000000000000000 RSI: 00007ffe76b85700 RDI: 0000000000000005
[  162.994223][ T1362] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.994700][ T1362] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe76b85df8
[  162.995184][ T1362] R13: 00000000686e18f4 R14: 0000000000499600 R15: 0000000000000000
| [  163.144877][ T1364] ------------[ cut here ]------------
| [ 163.145214][ 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) 
| [  163.145839][ T1364] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.147017][ T1364] Tainted: [W]=WARN
[  163.147271][ T1364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.147671][ 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) 
[ 163.148009][ T1364] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  163.149151][ T1364] RSP: 0018:ffffc90001097080 EFLAGS: 00010246
[  163.149565][ T1364] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  163.150044][ T1364] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  163.150533][ T1364] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000
[  163.151010][ T1364] R10: ffffc90001097198 R11: ffffffff87ea8918 R12: 1ffff92000212e14
[  163.151501][ T1364] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88800b27af08
[  163.151983][ T1364] FS:  00007fc28235d800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  163.152559][ T1364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.152965][ T1364] CR2: 00000000004a1738 CR3: 000000000ec30002 CR4: 0000000000772ef0
[  163.153457][ T1364] PKRU: 55555554
[  163.153700][ T1364] Call Trace:
[  163.153937][ T1364]  <TASK>
[ 163.154110][ T1364] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.154439][ T1364] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.154759][ T1364] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.155167][ T1364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.155494][ T1364] netif_set_mtu (net/core/dev.c:9652) 
[ 163.155814][ T1364] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.156153][ T1364] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.156599][ T1364] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.156838][ T1364] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.157277][ T1364] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.157650][ T1364] do_set_master (net/core/rtnetlink.c:2948) 
[ 163.157965][ T1364] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.158294][ T1364] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.158618][ T1364] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.158930][ T1364] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.159254][ T1364] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.159585][ T1364] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.159912][ T1364] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.160233][ T1364] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.160561][ T1364] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.160898][ T1364] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.161226][ T1364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.161554][ T1364] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.161878][ T1364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.162204][ T1364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.162520][ T1364] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.162839][ T1364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.163163][ T1364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.163491][ T1364] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.163812][ T1364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.164147][ T1364] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.164479][ T1364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.164796][ 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) 
[ 163.165127][ T1364] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 163.165446][ T1364] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.165778][ T1364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.166112][ T1364] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.166432][ T1364] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.166748][ T1364] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.167095][ T1364] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.167419][ T1364] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.167731][ T1364] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.168137][ T1364] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.168462][ T1364] ___sys_sendmsg (net/socket.c:2670) 
[ 163.168784][ T1364] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.169105][ T1364] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.169441][ T1364] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.169757][ T1364] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.170087][ T1364] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.170406][ T1364] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.170723][ T1364] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.171072][ T1364] __sys_sendmsg (net/socket.c:2700) 
[ 163.171391][ T1364] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.171705][ 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) 
[ 163.172034][ 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) 
[ 163.172367][ T1364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.172693][ T1364] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.173016][ T1364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.173428][ T1364] RIP: 0033:0x7fc28252a1e7
[ 163.173767][ T1364] Code: Unable to access opcode bytes at 0x7fc28252a1bd.

Code starting with the faulting instruction
===========================================
[  163.174188][ T1364] RSP: 002b:00007ffdf65cc918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.174669][ T1364] RAX: ffffffffffffffda RBX: 00007ffdf65cd040 RCX: 00007fc28252a1e7
[  163.175154][ T1364] RDX: 0000000000000000 RSI: 00007ffdf65cc980 RDI: 0000000000000005
[  163.175628][ T1364] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.176112][ T1364] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf65cd078
[  163.176581][ T1364] R13: 00000000686e18f4 R14: 0000000000499600 R15: 0000000000000000
| [  163.347347][ T1367] ------------[ cut here ]------------
| [ 163.347726][ T1367] WARNING: CPU: 2 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) 
| [  163.348482][ T1367] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.350394][ T1367] Tainted: [W]=WARN
[  163.350671][ T1367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.351112][ 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) 
[ 163.351471][ T1367] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  163.352675][ T1367] RSP: 0018:ffffc90001097080 EFLAGS: 00010246
[  163.353116][ T1367] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  163.353625][ T1367] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  163.354153][ T1367] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000
[  163.354679][ T1367] R10: ffffc90001097198 R11: ffffffff87ea8918 R12: 1ffff92000212e14
[  163.355211][ T1367] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88800b27af08
[  163.355722][ T1367] FS:  00007f826a461800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  163.356323][ T1367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.356764][ T1367] CR2: 00000000004a1738 CR3: 00000000095eb001 CR4: 0000000000772ef0
[  163.357285][ T1367] PKRU: 55555554
[  163.357548][ T1367] Call Trace:
[  163.357816][ T1367]  <TASK>
[ 163.358024][ T1367] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.358387][ T1367] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.358736][ T1367] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.359172][ T1367] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.359537][ T1367] netif_set_mtu (net/core/dev.c:9652) 
[ 163.359889][ T1367] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.360261][ T1367] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.360735][ T1367] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.361003][ T1367] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.361485][ T1367] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.361877][ T1367] do_set_master (net/core/rtnetlink.c:2948) 
[ 163.362232][ T1367] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.362583][ T1367] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.362934][ T1367] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.363293][ T1367] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.363657][ T1367] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.364005][ T1367] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.364366][ T1367] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.364720][ T1367] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.365086][ T1367] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.365439][ T1367] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.365797][ T1367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.366161][ T1367] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.366503][ T1367] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.366851][ T1367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.367206][ T1367] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.367552][ T1367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.367900][ T1367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.368254][ T1367] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.368601][ T1367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.368946][ T1367] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.369313][ T1367] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.369696][ 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) 
[ 163.370056][ T1367] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 163.370407][ T1367] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.370755][ T1367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.371118][ T1367] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.371467][ T1367] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.371821][ T1367] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.372188][ T1367] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.372541][ T1367] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.372887][ T1367] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.373332][ T1367] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.373691][ T1367] ___sys_sendmsg (net/socket.c:2670) 
[ 163.374036][ T1367] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.374398][ T1367] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.374754][ T1367] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.375109][ T1367] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.375458][ T1367] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.375811][ T1367] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.376167][ T1367] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.376540][ T1367] __sys_sendmsg (net/socket.c:2700) 
[ 163.376886][ T1367] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.377245][ 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) 
[ 163.377597][ 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) 
[ 163.377949][ T1367] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.378306][ T1367] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.378669][ T1367] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.379105][ T1367] RIP: 0033:0x7f826a62e1e7
[ 163.379477][ 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)
[  163.380680][ T1367] RSP: 002b:00007ffe9a4aa518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.381206][ T1367] RAX: ffffffffffffffda RBX: 00007ffe9a4aac40 RCX: 00007f826a62e1e7
[  163.381722][ T1367] RDX: 0000000000000000 RSI: 00007ffe9a4aa580 RDI: 0000000000000005
[  163.382232][ T1367] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.382752][ T1367] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9a4aac78
[  163.383282][ T1367] R13: 00000000686e18f5 R14: 0000000000499600 R15: 0000000000000000
| [  163.547102][ T1368] ------------[ cut here ]------------
| [ 163.547426][ T1368] WARNING: CPU: 1 PID: 1368 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) 
| [  163.548066][ T1368] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.549201][ T1368] Tainted: [W]=WARN
[  163.549451][ T1368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.549848][ T1368] 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) 
[ 163.550182][ T1368] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  163.551353][ T1368] RSP: 0018:ffffc90001097080 EFLAGS: 00010246
[  163.551767][ T1368] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  163.552248][ T1368] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  163.552720][ T1368] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000
[  163.553198][ T1368] R10: ffffc90001097198 R11: ffffffff87ea8918 R12: 1ffff92000212e14
[  163.553671][ T1368] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88800b27af08
[  163.554158][ T1368] FS:  00007f566e975800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  163.554708][ T1368] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.555124][ T1368] CR2: 00000000004a1738 CR3: 000000001a823003 CR4: 0000000000772ef0
[  163.555604][ T1368] PKRU: 55555554
[  163.555850][ T1368] Call Trace:
[  163.556104][ T1368]  <TASK>
[ 163.556273][ T1368] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.556594][ T1368] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.556913][ T1368] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.557318][ T1368] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.557639][ T1368] netif_set_mtu (net/core/dev.c:9652) 
[ 163.557957][ T1368] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.558302][ T1368] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.558855][ T1368] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.559107][ T1368] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.559556][ T1368] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.559919][ T1368] do_set_master (net/core/rtnetlink.c:2948) 
[ 163.560292][ T1368] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.560618][ T1368] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.560940][ T1368] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.561421][ T1368] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.561747][ T1368] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.562223][ T1368] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.562545][ T1368] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.562856][ T1368] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.563330][ T1368] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.563655][ T1368] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.563977][ T1368] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.564459][ T1368] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.564774][ T1368] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.565146][ T1368] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.565459][ T1368] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.565775][ T1368] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.566101][ T1368] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.566422][ T1368] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.566736][ T1368] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.567066][ T1368] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.567395][ T1368] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.567708][ T1368] ? 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) 
[ 163.568028][ T1368] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 163.568363][ T1368] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.568675][ T1368] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.569003][ T1368] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.569337][ T1368] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.569659][ T1368] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.569986][ T1368] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.570325][ T1368] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.570635][ T1368] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.571027][ T1368] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.571357][ T1368] ___sys_sendmsg (net/socket.c:2670) 
[ 163.571676][ T1368] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.571988][ T1368] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.572314][ T1368] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.572635][ T1368] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.572956][ T1368] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.573283][ T1368] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.573595][ T1368] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.573927][ T1368] __sys_sendmsg (net/socket.c:2700) 
[ 163.574284][ T1368] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.574605][ T1368] ? 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) 
[ 163.574931][ T1368] ? 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) 
[ 163.575260][ T1368] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.575579][ T1368] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.575890][ T1368] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.576317][ T1368] RIP: 0033:0x7f566eb421e7
[ 163.576730][ T1368] 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)
[  163.577900][ T1368] RSP: 002b:00007ffc508b3238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.578387][ T1368] RAX: ffffffffffffffda RBX: 00007ffc508b3960 RCX: 00007f566eb421e7
[  163.578873][ T1368] RDX: 0000000000000000 RSI: 00007ffc508b32a0 RDI: 0000000000000005
[  163.579360][ T1368] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.579877][ T1368] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc508b3998
[  163.580360][ T1368] R13: 00000000686e18f5 R14: 0000000000499600 R15: 0000000000000000
| [  163.735216][ T1371] ------------[ cut here ]------------
| [ 163.735571][ T1371] WARNING: CPU: 2 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) 
| [  163.736275][ T1371] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.737504][ T1371] Tainted: [W]=WARN
[  163.737773][ T1371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.738211][ 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) 
[ 163.738559][ T1371] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  163.739794][ T1371] RSP: 0018:ffffc90000ad7080 EFLAGS: 00010246
[  163.740260][ T1371] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  163.740765][ T1371] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  163.741340][ T1371] RBP: ffffc90000ad7168 R08: 0000000000000000 R09: 0000000000000000
[  163.741848][ T1371] R10: ffffc90000ad7198 R11: ffffffff87ea8918 R12: 1ffff9200015ae14
[  163.742374][ T1371] R13: 00000000000005dc R14: ffffc90000ad7198 R15: ffff88800b27af08
[  163.742889][ T1371] FS:  00007f3a3c306800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  163.743493][ T1371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.743921][ T1371] CR2: 0000559a3fa21228 CR3: 000000000274e006 CR4: 0000000000772ef0
[  163.744546][ T1371] PKRU: 55555554
[  163.744800][ T1371] Call Trace:
[  163.745065][ T1371]  <TASK>
[ 163.745243][ T1371] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.745586][ T1371] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.745919][ T1371] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.746348][ T1371] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.746690][ T1371] netif_set_mtu (net/core/dev.c:9652) 
[ 163.747021][ T1371] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.747379][ T1371] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.747848][ T1371] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.748111][ T1371] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.748558][ T1371] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.748933][ T1371] do_set_master (net/core/rtnetlink.c:2948) 
[ 163.749273][ T1371] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.749635][ T1371] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.749970][ T1371] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.750310][ T1371] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.750640][ T1371] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.750968][ T1371] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.751311][ T1371] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.751637][ T1371] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.751972][ T1371] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.752320][ T1371] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.752666][ T1371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.753015][ T1371] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.753368][ T1371] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.753712][ T1371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.754043][ T1371] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.754383][ T1371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.754715][ T1371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.755071][ T1371] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.755416][ T1371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.755749][ T1371] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.756103][ T1371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.756436][ 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) 
[ 163.756775][ T1371] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 163.757116][ T1371] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.757452][ T1371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.757787][ T1371] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.758188][ T1371] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.758538][ T1371] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.758894][ T1371] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.759254][ T1371] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.759620][ T1371] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.760066][ T1371] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.760428][ T1371] ___sys_sendmsg (net/socket.c:2670) 
[ 163.760775][ T1371] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.761131][ T1371] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.761480][ T1371] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.761824][ T1371] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.762184][ T1371] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.762535][ T1371] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.762883][ T1371] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.763253][ T1371] __sys_sendmsg (net/socket.c:2700) 
[ 163.763595][ T1371] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.763945][ 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) 
[ 163.764307][ 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) 
[ 163.764659][ T1371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.765004][ T1371] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.765372][ T1371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.765804][ T1371] RIP: 0033:0x7f3a3c4d31e7
[ 163.766171][ 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)
[  163.767388][ T1371] RSP: 002b:00007ffcda047b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.767898][ T1371] RAX: ffffffffffffffda RBX: 00007ffcda048250 RCX: 00007f3a3c4d31e7
[  163.768420][ T1371] RDX: 0000000000000000 RSI: 00007ffcda047b90 RDI: 0000000000000005
[  163.768926][ T1371] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.769473][ T1371] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcda048288
[  163.769984][ T1371] R13: 00000000686e18f5 R14: 0000000000499600 R15: 0000000000000000
| [  163.939086][ T1373] ------------[ cut here ]------------
| [ 163.939436][ T1373] WARNING: CPU: 0 PID: 1373 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) 
| [  163.940145][ T1373] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.941382][ T1373] Tainted: [W]=WARN
[  163.941639][ T1373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.942070][ T1373] 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) 
[ 163.942413][ T1373] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  163.943611][ T1373] RSP: 0018:ffffc90000ad7080 EFLAGS: 00010246
[  163.944034][ T1373] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  163.944544][ T1373] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  163.945063][ T1373] RBP: ffffc90000ad7168 R08: 0000000000000000 R09: 0000000000000000
[  163.945566][ T1373] R10: ffffc90000ad7198 R11: ffffffff87ea8918 R12: 1ffff9200015ae14
[  163.946079][ T1373] R13: 00000000000005dc R14: ffffc90000ad7198 R15: ffff88800b27af08
[  163.946583][ T1373] FS:  00007fd19bf31800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  163.947171][ T1373] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.947592][ T1373] CR2: 00000000004a1738 CR3: 000000000bbec006 CR4: 0000000000772ef0
[  163.948099][ T1373] PKRU: 55555554
[  163.948352][ T1373] Call Trace:
[  163.948596][ T1373]  <TASK>
[ 163.948770][ T1373] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.949122][ T1373] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.949473][ T1373] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.949891][ T1373] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.950231][ T1373] netif_set_mtu (net/core/dev.c:9652) 
[ 163.950571][ T1373] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.950916][ T1373] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.951393][ T1373] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.951649][ T1373] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.952118][ T1373] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.952501][ T1373] do_set_master (net/core/rtnetlink.c:2948) 
[ 163.952834][ T1373] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.953176][ T1373] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.953514][ T1373] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.953839][ T1373] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.954180][ T1373] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.954516][ T1373] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.954855][ T1373] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.955194][ T1373] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.955535][ T1373] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.955880][ T1373] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.956231][ T1373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.956580][ T1373] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.956920][ T1373] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.957273][ T1373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.957618][ T1373] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.957955][ T1373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.958305][ T1373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.958650][ T1373] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.958990][ T1373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.959327][ T1373] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.959670][ T1373] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.959991][ T1373] ? 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) 
[ 163.960317][ T1373] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 163.960639][ T1373] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.960960][ T1373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.961303][ T1373] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.961628][ T1373] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.961960][ T1373] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.962321][ T1373] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.962667][ T1373] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.963111][ T1373] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.963781][ T1373] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.964354][ T1373] ___sys_sendmsg (net/socket.c:2670) 
[ 163.964724][ T1373] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.965097][ T1373] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.965440][ T1373] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.965790][ T1373] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.966150][ T1373] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.966482][ T1373] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.966834][ T1373] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.967195][ T1373] __sys_sendmsg (net/socket.c:2700) 
[ 163.967534][ T1373] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.967886][ T1373] ? 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) 
[ 163.968242][ T1373] ? 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) 
[ 163.968578][ T1373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.968932][ T1373] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.969277][ T1373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.969716][ T1373] RIP: 0033:0x7fd19c0fe1e7
[ 163.970081][ T1373] 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)
[  163.971308][ T1373] RSP: 002b:00007ffc36727758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.971856][ T1373] RAX: ffffffffffffffda RBX: 00007ffc36727e80 RCX: 00007fd19c0fe1e7
[  163.972372][ T1373] RDX: 0000000000000000 RSI: 00007ffc367277c0 RDI: 0000000000000005
[  163.972964][ T1373] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.973486][ T1373] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc36727eb8
[  163.974012][ T1373] R13: 00000000686e18f5 R14: 0000000000499600 R15: 0000000000000000
| [  164.125258][ T1374] ------------[ cut here ]------------
| [ 164.125591][ T1374] WARNING: CPU: 3 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) 
| [  164.126881][ T1374] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.128083][ T1374] Tainted: [W]=WARN
[  164.128335][ T1374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.128747][ 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) 
[ 164.129098][ T1374] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  164.130300][ T1374] RSP: 0018:ffffc90001097080 EFLAGS: 00010246
[  164.130717][ T1374] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  164.131239][ T1374] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  164.131746][ T1374] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000
[  164.132251][ T1374] R10: ffffc90001097198 R11: ffffffff87ea8918 R12: 1ffff92000212e14
[  164.132744][ T1374] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88800b27af08
[  164.133247][ T1374] FS:  00007ff20411d800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  164.133829][ T1374] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.134256][ T1374] CR2: 00000000004a1738 CR3: 000000000bbec001 CR4: 0000000000772ef0
[  164.134751][ T1374] PKRU: 55555554
[  164.135003][ T1374] Call Trace:
[  164.135262][ T1374]  <TASK>
[ 164.135435][ T1374] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.135782][ T1374] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.136127][ T1374] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.136540][ T1374] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.136871][ T1374] netif_set_mtu (net/core/dev.c:9652) 
[ 164.137210][ T1374] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.137554][ T1374] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.138027][ T1374] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.138290][ T1374] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.138746][ T1374] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.139142][ T1374] do_set_master (net/core/rtnetlink.c:2948) 
[ 164.139491][ T1374] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.139837][ T1374] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.140188][ T1374] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.140519][ T1374] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.140855][ T1374] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.141203][ T1374] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.141541][ T1374] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.141874][ T1374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.142225][ T1374] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.142577][ T1374] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.142933][ T1374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.143290][ T1374] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.143626][ T1374] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.143967][ T1374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.144308][ T1374] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.144645][ T1374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.144983][ T1374] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.145330][ T1374] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.145665][ T1374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.146007][ T1374] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.146366][ T1374] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.146704][ 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) 
[ 164.147045][ T1374] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.147399][ T1374] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.147733][ T1374] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.148084][ T1374] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.148423][ T1374] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.148758][ T1374] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.149117][ T1374] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.149474][ T1374] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.149810][ T1374] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.150235][ T1374] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.150577][ T1374] ___sys_sendmsg (net/socket.c:2670) 
[ 164.150916][ T1374] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.151253][ T1374] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.151593][ T1374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.151927][ T1374] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.152271][ T1374] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.152610][ T1374] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.152942][ T1374] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.153295][ T1374] __sys_sendmsg (net/socket.c:2700) 
[ 164.153624][ T1374] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.153959][ 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) 
[ 164.154321][ 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) 
[ 164.154654][ T1374] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.154991][ T1374] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.155331][ T1374] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.155759][ T1374] RIP: 0033:0x7ff2042ea1e7
[ 164.156120][ 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)
[  164.157329][ T1374] RSP: 002b:00007ffd661d2bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.157836][ T1374] RAX: ffffffffffffffda RBX: 00007ffd661d3320 RCX: 00007ff2042ea1e7
[  164.158356][ T1374] RDX: 0000000000000000 RSI: 00007ffd661d2c60 RDI: 0000000000000005
[  164.158863][ T1374] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.159400][ T1374] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd661d3358
[  164.159903][ T1374] R13: 00000000686e18f5 R14: 0000000000499600 R15: 0000000000000000
| [  164.317722][ T1376] ------------[ cut here ]------------
| [ 164.318129][ 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) 
| [  164.318813][ T1376] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.320068][ T1376] Tainted: [W]=WARN
[  164.320327][ T1376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.320732][ 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) 
[ 164.321081][ T1376] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  164.322237][ T1376] RSP: 0018:ffffc90001197080 EFLAGS: 00010246
[  164.322665][ T1376] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  164.323185][ T1376] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  164.323704][ T1376] RBP: ffffc90001197168 R08: 0000000000000000 R09: 0000000000000000
[  164.324231][ T1376] R10: ffffc90001197198 R11: ffffffff87ea8918 R12: 1ffff92000232e14
[  164.324742][ T1376] R13: 00000000000005dc R14: ffffc90001197198 R15: ffff88800b27af08
[  164.325260][ T1376] FS:  00007f8c1ffd2800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  164.325854][ T1376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.326282][ T1376] CR2: 00000000004a1738 CR3: 000000000ee26002 CR4: 0000000000772ef0
[  164.326790][ T1376] PKRU: 55555554
[  164.327054][ T1376] Call Trace:
[  164.327310][ T1376]  <TASK>
[ 164.327488][ T1376] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.327827][ T1376] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.328177][ T1376] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.328595][ T1376] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.328939][ T1376] netif_set_mtu (net/core/dev.c:9652) 
[ 164.329288][ T1376] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.329649][ T1376] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.330123][ T1376] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.330383][ T1376] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.330838][ T1376] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.331242][ T1376] do_set_master (net/core/rtnetlink.c:2948) 
[ 164.331591][ T1376] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.331939][ T1376] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.332282][ T1376] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.332612][ T1376] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.332941][ T1376] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.333288][ T1376] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.333625][ T1376] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.333955][ T1376] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.334303][ T1376] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.334643][ T1376] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.334979][ T1376] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.335330][ T1376] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.335668][ T1376] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.336014][ T1376] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.336378][ T1376] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.336726][ T1376] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.337075][ T1376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.337416][ T1376] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.337748][ T1376] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.338088][ T1376] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.338431][ T1376] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.338768][ 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) 
[ 164.339111][ T1376] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.339461][ T1376] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.339798][ T1376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.340149][ T1376] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.340484][ T1376] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.340826][ T1376] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.341174][ T1376] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.341510][ T1376] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.341839][ T1376] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.342262][ T1376] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.342604][ T1376] ___sys_sendmsg (net/socket.c:2670) 
[ 164.342939][ T1376] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.343279][ T1376] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.343611][ T1376] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.343946][ T1376] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.344294][ T1376] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.344631][ T1376] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.344971][ T1376] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.345329][ T1376] __sys_sendmsg (net/socket.c:2700) 
[ 164.345671][ T1376] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.346004][ 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) 
[ 164.346356][ 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) 
[ 164.346697][ T1376] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.347035][ T1376] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.347370][ T1376] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.347787][ T1376] RIP: 0033:0x7f8c2019f1e7
[ 164.348134][ 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)
[  164.349300][ T1376] RSP: 002b:00007ffc104b6d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.349808][ T1376] RAX: ffffffffffffffda RBX: 00007ffc104b7440 RCX: 00007f8c2019f1e7
[  164.350312][ T1376] RDX: 0000000000000000 RSI: 00007ffc104b6d80 RDI: 0000000000000005
[  164.350796][ T1376] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.351304][ T1376] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc104b7478
[  164.351793][ T1376] R13: 00000000686e18f6 R14: 0000000000499600 R15: 0000000000000000
| [  164.578351][ T1379] ------------[ cut here ]------------
| [ 164.578664][ T1379] WARNING: CPU: 3 PID: 1379 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) 
| [  164.579390][ T1379] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.580764][ T1379] Tainted: [W]=WARN
[  164.581007][ T1379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.581415][ T1379] 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) 
[ 164.581750][ T1379] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  164.582881][ T1379] RSP: 0018:ffffc90000ad7080 EFLAGS: 00010246
[  164.583290][ T1379] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  164.583760][ T1379] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  164.584238][ T1379] RBP: ffffc90000ad7168 R08: 0000000000000000 R09: 0000000000000000
[  164.584712][ T1379] R10: ffffc90000ad7198 R11: ffffffff87ea8918 R12: 1ffff9200015ae14
[  164.585193][ T1379] R13: 00000000000005dc R14: ffffc90000ad7198 R15: ffff88800b27af08
[  164.585663][ T1379] FS:  00007f09c2cc3800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  164.586317][ T1379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.586719][ T1379] CR2: 00007fb4a9c88a00 CR3: 000000001a823001 CR4: 0000000000772ef0
[  164.587202][ T1379] PKRU: 55555554
[  164.587439][ T1379] Call Trace:
[  164.587673][ T1379]  <TASK>
[ 164.587835][ T1379] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.588166][ T1379] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.588497][ T1379] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.588895][ T1379] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.589225][ T1379] netif_set_mtu (net/core/dev.c:9652) 
[ 164.589564][ T1379] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.589895][ T1379] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.590352][ T1379] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.590595][ T1379] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.591026][ T1379] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.591404][ T1379] do_set_master (net/core/rtnetlink.c:2948) 
[ 164.591725][ T1379] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.592060][ T1379] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.592385][ T1379] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.592697][ T1379] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.593015][ T1379] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.593341][ T1379] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.593672][ T1379] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.593989][ T1379] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.594326][ T1379] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.594651][ T1379] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.594979][ T1379] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.595319][ T1379] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.595635][ T1379] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.596002][ T1379] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.596351][ T1379] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.596688][ T1379] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.597025][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.597377][ T1379] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.597717][ T1379] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.598061][ T1379] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.598405][ T1379] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.598736][ T1379] ? 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) 
[ 164.599084][ T1379] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.599427][ T1379] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.599769][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.600130][ T1379] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.600466][ T1379] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.600812][ T1379] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.601162][ T1379] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.601502][ T1379] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.601833][ T1379] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.602267][ T1379] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.602611][ T1379] ___sys_sendmsg (net/socket.c:2670) 
[ 164.602951][ T1379] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.603302][ T1379] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.603643][ T1379] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.603974][ T1379] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.604327][ T1379] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.604663][ T1379] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.604990][ T1379] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.605345][ T1379] __sys_sendmsg (net/socket.c:2700) 
[ 164.605679][ T1379] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.606011][ T1379] ? 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) 
[ 164.606366][ T1379] ? 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) 
[ 164.606705][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.607057][ T1379] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.607396][ T1379] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.607829][ T1379] RIP: 0033:0x7f09c2e901e7
[ 164.608190][ T1379] 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)
[  164.609396][ T1379] RSP: 002b:00007fffe3ec9f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.609905][ T1379] RAX: ffffffffffffffda RBX: 00007fffe3eca670 RCX: 00007f09c2e901e7
[  164.610416][ T1379] RDX: 0000000000000000 RSI: 00007fffe3ec9fb0 RDI: 0000000000000005
[  164.610922][ T1379] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.611425][ T1379] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe3eca6a8
[  164.611928][ T1379] R13: 00000000686e18f6 R14: 0000000000499600 R15: 0000000000000000
| [  164.821177][ T1380] ------------[ cut here ]------------
| [ 164.821496][ T1380] WARNING: CPU: 3 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) 
| [  164.822178][ T1380] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.823337][ T1380] Tainted: [W]=WARN
[  164.823578][ T1380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.823971][ 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) 
[ 164.824304][ T1380] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  164.825434][ T1380] RSP: 0018:ffffc900011a7080 EFLAGS: 00010246
[  164.825841][ T1380] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  164.826321][ T1380] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  164.826795][ T1380] RBP: ffffc900011a7168 R08: 0000000000000000 R09: 0000000000000000
[  164.827280][ T1380] R10: ffffc900011a7198 R11: ffffffff87ea8918 R12: 1ffff92000234e14
[  164.827754][ T1380] R13: 00000000000005dc R14: ffffc900011a7198 R15: ffff88800b27af08
[  164.828231][ T1380] FS:  00007fa01f65c800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  164.828779][ T1380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.829184][ T1380] CR2: 00000000004a1738 CR3: 000000001a823003 CR4: 0000000000772ef0
[  164.829666][ T1380] PKRU: 55555554
[  164.829903][ T1380] Call Trace:
[  164.830147][ T1380]  <TASK>
[ 164.830312][ T1380] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.830642][ T1380] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.830964][ T1380] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.831374][ T1380] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.831694][ T1380] netif_set_mtu (net/core/dev.c:9652) 
[ 164.832011][ T1380] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.832349][ T1380] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.832788][ T1380] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.833030][ T1380] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.833483][ T1380] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.833855][ T1380] do_set_master (net/core/rtnetlink.c:2948) 
[ 164.834181][ T1380] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.834507][ T1380] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.834826][ T1380] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.835147][ T1380] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.835556][ T1380] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.835882][ T1380] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.836216][ T1380] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.836529][ T1380] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.836852][ T1380] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.837187][ T1380] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.837515][ T1380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.837843][ T1380] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.838174][ T1380] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.838496][ T1380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.838814][ T1380] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.839140][ T1380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.839495][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.839818][ T1380] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.840141][ T1380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.840460][ T1380] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.840794][ T1380] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.841118][ 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) 
[ 164.841437][ T1380] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.841756][ T1380] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.842078][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.842401][ T1380] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.842726][ T1380] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.843044][ T1380] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.843382][ T1380] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.843720][ T1380] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.844061][ T1380] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.844480][ T1380] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.844822][ T1380] ___sys_sendmsg (net/socket.c:2670) 
[ 164.845152][ T1380] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.845485][ T1380] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.845822][ T1380] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.846167][ T1380] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.846509][ T1380] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.846840][ T1380] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.847211][ T1380] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.847567][ T1380] __sys_sendmsg (net/socket.c:2700) 
[ 164.847901][ T1380] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.848242][ 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) 
[ 164.848587][ 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) 
[ 164.848921][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.849265][ T1380] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.849605][ T1380] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.850020][ T1380] RIP: 0033:0x7fa01f8291e7
[ 164.850373][ 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)
[  164.851557][ T1380] RSP: 002b:00007ffff8d0ecf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.852056][ T1380] RAX: ffffffffffffffda RBX: 00007ffff8d0f420 RCX: 00007fa01f8291e7
[  164.852529][ T1380] RDX: 0000000000000000 RSI: 00007ffff8d0ed60 RDI: 0000000000000005
[  164.853008][ T1380] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.853489][ T1380] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff8d0f458
[  164.853970][ T1380] R13: 00000000686e18f6 R14: 0000000000499600 R15: 0000000000000000
| [  165.024469][ T1382] ------------[ cut here ]------------
| [ 165.024779][ T1382] WARNING: CPU: 0 PID: 1382 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) 
| [  165.025586][ T1382] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.026761][ T1382] Tainted: [W]=WARN
[  165.027003][ T1382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.027408][ T1382] 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) 
[ 165.027756][ T1382] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  165.028918][ T1382] RSP: 0018:ffffc900011b7080 EFLAGS: 00010246
[  165.029327][ T1382] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  165.029814][ T1382] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  165.030293][ T1382] RBP: ffffc900011b7168 R08: 0000000000000000 R09: 0000000000000000
[  165.030766][ T1382] R10: ffffc900011b7198 R11: ffffffff87ea8918 R12: 1ffff92000236e14
[  165.031251][ T1382] R13: 00000000000005dc R14: ffffc900011b7198 R15: ffff88800b27af08
[  165.031723][ T1382] FS:  00007f4a646bc800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  165.032313][ T1382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.032720][ T1382] CR2: 00007fb4a9c88a00 CR3: 000000000b836001 CR4: 0000000000772ef0
[  165.033203][ T1382] PKRU: 55555554
[  165.033552][ T1382] Call Trace:
[  165.033793][ T1382]  <TASK>
[ 165.033965][ T1382] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.034299][ T1382] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.034621][ T1382] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.035015][ T1382] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.035343][ T1382] netif_set_mtu (net/core/dev.c:9652) 
[ 165.035665][ T1382] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.035996][ T1382] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.036446][ T1382] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.036709][ T1382] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.037155][ T1382] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.037519][ T1382] do_set_master (net/core/rtnetlink.c:2948) 
[ 165.037838][ T1382] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.038161][ T1382] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.038491][ T1382] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.038806][ T1382] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.039138][ T1382] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.039467][ T1382] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.039795][ T1382] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.040116][ T1382] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.040464][ T1382] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.040793][ T1382] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.041123][ T1382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.041452][ T1382] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.041771][ T1382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.042098][ T1382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.042417][ T1382] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.042762][ T1382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.043092][ T1382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.043418][ T1382] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.043736][ T1382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.044076][ T1382] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.044412][ T1382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.044726][ T1382] ? 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) 
[ 165.045056][ T1382] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 165.045378][ T1382] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.045692][ T1382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.046013][ T1382] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.046346][ T1382] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.046666][ T1382] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.047004][ T1382] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.047337][ T1382] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.047654][ T1382] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.048060][ T1382] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.048393][ T1382] ___sys_sendmsg (net/socket.c:2670) 
[ 165.048712][ T1382] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.049035][ T1382] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.049363][ T1382] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.049694][ T1382] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.050015][ T1382] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.050342][ T1382] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.050665][ T1382] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.050997][ T1382] __sys_sendmsg (net/socket.c:2700) 
[ 165.051325][ T1382] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.051770][ T1382] ? 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) 
[ 165.052122][ T1382] ? 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) 
[ 165.052458][ T1382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.052778][ T1382] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.053108][ T1382] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.053505][ T1382] RIP: 0033:0x7f4a648891e7
[ 165.053858][ T1382] 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)
[  165.055000][ T1382] RSP: 002b:00007fffa8055968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.055493][ T1382] RAX: ffffffffffffffda RBX: 00007fffa8056090 RCX: 00007f4a648891e7
[  165.055969][ T1382] RDX: 0000000000000000 RSI: 00007fffa80559d0 RDI: 0000000000000005
[  165.056450][ T1382] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.056925][ T1382] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffa80560c8
[  165.057429][ T1382] R13: 00000000686e18f6 R14: 0000000000499600 R15: 0000000000000000
| [  165.225124][ T1384] ------------[ cut here ]------------
| [ 165.225452][ 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) 
| [  165.226143][ T1384] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.227326][ T1384] Tainted: [W]=WARN
[  165.227572][ T1384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.227983][ 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) 
[ 165.228324][ T1384] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  165.229524][ T1384] RSP: 0000:ffffc900011c7080 EFLAGS: 00010246
[  165.229938][ T1384] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  165.230433][ T1384] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  165.230923][ T1384] RBP: ffffc900011c7168 R08: 0000000000000000 R09: 0000000000000000
[  165.231418][ T1384] R10: ffffc900011c7198 R11: ffffffff87ea8918 R12: 1ffff92000238e14
[  165.231910][ T1384] R13: 00000000000005dc R14: ffffc900011c7198 R15: ffff88800b27af08
[  165.232403][ T1384] FS:  00007f0feaa09800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  165.232979][ T1384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.233397][ T1384] CR2: 00007fb4a9e4de80 CR3: 000000000b836002 CR4: 0000000000772ef0
[  165.233887][ T1384] PKRU: 55555554
[  165.234151][ T1384] Call Trace:
[  165.234396][ T1384]  <TASK>
[ 165.234567][ T1384] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.234903][ T1384] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.235264][ T1384] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.235727][ T1384] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.236069][ T1384] netif_set_mtu (net/core/dev.c:9652) 
[ 165.236402][ T1384] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.236738][ T1384] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.237204][ T1384] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.237454][ T1384] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.237899][ T1384] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.238280][ T1384] do_set_master (net/core/rtnetlink.c:2948) 
[ 165.238622][ T1384] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.238955][ T1384] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.239303][ T1384] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.239652][ T1384] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.239981][ T1384] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.240311][ T1384] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.240641][ T1384] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.241435][ T1384] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.241766][ T1384] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.242121][ T1384] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.242458][ T1384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.243261][ T1384] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.243581][ T1384] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.243909][ T1384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.244257][ T1384] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.244579][ T1384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.244901][ T1384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.245233][ T1384] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.245557][ T1384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.245876][ T1384] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.246218][ T1384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.246541][ 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) 
[ 165.246868][ T1384] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 165.247294][ T1384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.247616][ T1384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.248193][ T1384] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.248520][ T1384] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.249307][ T1384] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.249648][ T1384] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.249973][ T1384] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.250308][ T1384] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.250715][ T1384] ___sys_sendmsg (net/socket.c:2670) 
[ 165.251277][ T1384] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.251598][ T1384] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 165.251918][ T1384] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 165.252237][ T1384] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 165.252566][ T1384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.252920][ T1384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 165.253248][ T1384] __sys_sendmsg (net/socket.c:2700) 
[ 165.253571][ T1384] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.253920][ T1384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.254261][ T1384] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.254586][ T1384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.254983][ T1384] RIP: 0033:0x7f0feabd61e7
[ 165.255559][ 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)
[  165.256963][ T1384] RSP: 002b:00007ffeaf6b6fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.257465][ T1384] RAX: ffffffffffffffda RBX: 00007ffeaf6b76e0 RCX: 00007f0feabd61e7
[  165.258190][ T1384] RDX: 0000000000000000 RSI: 00007ffeaf6b7020 RDI: 0000000000000005
[  165.258904][ T1384] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.259395][ T1384] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeaf6b7718
[  165.260339][ T1384] R13: 00000000686e18f6 R14: 0000000000499600 R15: 0000000000000000
| [  165.406906][ T1387] ------------[ cut here ]------------
| [ 165.407352][ T1387] WARNING: CPU: 3 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) 
| [  165.407998][ T1387] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.409165][ T1387] Tainted: [W]=WARN
[  165.409442][ T1387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.409846][ 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) 
[ 165.410196][ T1387] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  165.411445][ T1387] RSP: 0018:ffffc900011e7080 EFLAGS: 00010246
[  165.411860][ T1387] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  165.412398][ T1387] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  165.412886][ T1387] RBP: ffffc900011e7168 R08: 0000000000000000 R09: 0000000000000000
[  165.413374][ T1387] R10: ffffc900011e7198 R11: ffffffff87ea8918 R12: 1ffff9200023ce14
[  165.413851][ T1387] R13: 00000000000005dc R14: ffffc900011e7198 R15: ffff88800b27af08
[  165.414363][ T1387] FS:  00007ff8de480800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  165.414941][ T1387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.415380][ T1387] CR2: 00000000004a1738 CR3: 000000000b836005 CR4: 0000000000772ef0
[  165.415865][ T1387] PKRU: 55555554
[  165.416149][ T1387] Call Trace:
[  165.416397][ T1387]  <TASK>
[ 165.416560][ T1387] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.416891][ T1387] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.417219][ T1387] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.417627][ T1387] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.417947][ T1387] netif_set_mtu (net/core/dev.c:9652) 
[ 165.418789][ T1387] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.419153][ T1387] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.419625][ T1387] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.419892][ T1387] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.420363][ T1387] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.420772][ T1387] do_set_master (net/core/rtnetlink.c:2948) 
[ 165.421114][ T1387] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.421445][ T1387] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.421765][ T1387] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.422084][ T1387] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.422402][ T1387] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.422731][ T1387] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.423064][ T1387] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.423392][ T1387] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.423728][ T1387] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.424070][ T1387] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.424410][ T1387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.424747][ T1387] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.425072][ T1387] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.425388][ T1387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.425703][ T1387] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.426019][ T1387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.426366][ T1387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.426697][ T1387] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.427021][ T1387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.427354][ T1387] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.427707][ T1387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.428036][ 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) 
[ 165.428368][ T1387] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 165.428701][ T1387] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.429037][ T1387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.429410][ T1387] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.429743][ T1387] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.430080][ T1387] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.430424][ T1387] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.430763][ T1387] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.431099][ T1387] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.431526][ T1387] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.431852][ T1387] ___sys_sendmsg (net/socket.c:2670) 
[ 165.432205][ T1387] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.432533][ T1387] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.432861][ T1387] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.433225][ T1387] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.433560][ T1387] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.433902][ T1387] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.434240][ T1387] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.434586][ T1387] __sys_sendmsg (net/socket.c:2700) 
[ 165.434927][ T1387] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.435250][ 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) 
[ 165.435578][ 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) 
[ 165.435895][ T1387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.436220][ T1387] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.436545][ T1387] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.436939][ T1387] RIP: 0033:0x7ff8de64d1e7
[ 165.437287][ 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)
[  165.438460][ T1387] RSP: 002b:00007ffc632a2328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.438962][ T1387] RAX: ffffffffffffffda RBX: 00007ffc632a2a50 RCX: 00007ff8de64d1e7
[  165.439577][ T1387] RDX: 0000000000000000 RSI: 00007ffc632a2390 RDI: 0000000000000005
[  165.440081][ T1387] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.440611][ T1387] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc632a2a88
[  165.441113][ T1387] R13: 00000000686e18f7 R14: 0000000000499600 R15: 0000000000000000
| [  165.597900][ T1388] ------------[ cut here ]------------
| [ 165.598281][ T1388] WARNING: CPU: 3 PID: 1388 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) 
| [  165.599011][ T1388] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.600200][ T1388] Tainted: [W]=WARN
[  165.600444][ T1388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.600844][ T1388] 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) 
[ 165.601181][ T1388] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  165.602327][ T1388] RSP: 0018:ffffc90000ad7080 EFLAGS: 00010246
[  165.602739][ T1388] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  165.603227][ T1388] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  165.603702][ T1388] RBP: ffffc90000ad7168 R08: 0000000000000000 R09: 0000000000000000
[  165.604182][ T1388] R10: ffffc90000ad7198 R11: ffffffff87ea8918 R12: 1ffff9200015ae14
[  165.604689][ T1388] R13: 00000000000005dc R14: ffffc90000ad7198 R15: ffff88800b27af08
[  165.605162][ T1388] FS:  00007fb925b0f800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  165.605735][ T1388] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.606144][ T1388] CR2: 00000000004a1738 CR3: 000000000b836003 CR4: 0000000000772ef0
[  165.606620][ T1388] PKRU: 55555554
[  165.606864][ T1388] Call Trace:
[  165.607110][ T1388]  <TASK>
[ 165.607276][ T1388] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.607602][ T1388] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.607928][ T1388] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.608339][ T1388] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.608690][ T1388] netif_set_mtu (net/core/dev.c:9652) 
[ 165.609015][ T1388] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.609369][ T1388] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.609849][ T1388] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.610112][ T1388] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.610570][ T1388] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.610948][ T1388] do_set_master (net/core/rtnetlink.c:2948) 
[ 165.611277][ T1388] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.611607][ T1388] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.611936][ T1388] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.612262][ T1388] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.612582][ T1388] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.612901][ T1388] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.613252][ T1388] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.613572][ T1388] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.613904][ T1388] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.614251][ T1388] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.614583][ T1388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.614916][ T1388] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.615270][ T1388] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.615591][ T1388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.615909][ T1388] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.616233][ T1388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.616572][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.616897][ T1388] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.617231][ T1388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.617549][ T1388] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.617885][ T1388] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.618209][ T1388] ? 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) 
[ 165.618556][ T1388] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 165.618884][ T1388] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.619211][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.619557][ T1388] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.619901][ T1388] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.620233][ T1388] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.620573][ T1388] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.620910][ T1388] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.621366][ T1388] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.621774][ T1388] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.622116][ T1388] ___sys_sendmsg (net/socket.c:2670) 
[ 165.622456][ T1388] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.622770][ T1388] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.623097][ T1388] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.623429][ T1388] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.623786][ T1388] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.624111][ T1388] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.624448][ T1388] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.624788][ T1388] __sys_sendmsg (net/socket.c:2700) 
[ 165.625119][ T1388] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.625461][ T1388] ? 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) 
[ 165.625794][ T1388] ? 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) 
[ 165.626132][ T1388] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.626454][ T1388] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.626775][ T1388] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.627175][ T1388] RIP: 0033:0x7fb925cdc1e7
[ 165.627507][ T1388] 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)
[  165.628681][ T1388] RSP: 002b:00007fffc5a579e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.629178][ T1388] RAX: ffffffffffffffda RBX: 00007fffc5a58110 RCX: 00007fb925cdc1e7
[  165.629675][ T1388] RDX: 0000000000000000 RSI: 00007fffc5a57a50 RDI: 0000000000000005
[  165.630159][ T1388] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.630640][ T1388] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffc5a58148
[  165.631124][ T1388] R13: 00000000686e18f7 R14: 0000000000499600 R15: 0000000000000000
| [  165.853083][ T1390] ------------[ cut here ]------------
| [ 165.853399][ T1390] WARNING: CPU: 3 PID: 1390 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) 
| [  165.854024][ T1390] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.855237][ T1390] Tainted: [W]=WARN
[  165.855506][ T1390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.855898][ T1390] 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) 
[ 165.856235][ T1390] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  165.857371][ T1390] RSP: 0018:ffffc900011f7080 EFLAGS: 00010246
[  165.857775][ T1390] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  165.858256][ T1390] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  165.858728][ T1390] RBP: ffffc900011f7168 R08: 0000000000000000 R09: 0000000000000000
[  165.859223][ T1390] R10: ffffc900011f7198 R11: ffffffff87ea8918 R12: 1ffff9200023ee14
[  165.859711][ T1390] R13: 00000000000005dc R14: ffffc900011f7198 R15: ffff88800b27af08
[  165.860195][ T1390] FS:  00007f209acd1800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  165.860747][ T1390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.861149][ T1390] CR2: 00000000004a1738 CR3: 000000000b836006 CR4: 0000000000772ef0
[  165.861634][ T1390] PKRU: 55555554
[  165.861870][ T1390] Call Trace:
[  165.862114][ T1390]  <TASK>
[ 165.862279][ T1390] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.862605][ T1390] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.862923][ T1390] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.863326][ T1390] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.863645][ T1390] netif_set_mtu (net/core/dev.c:9652) 
[ 165.863961][ T1390] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.864297][ T1390] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.864748][ T1390] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.864987][ T1390] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.865432][ T1390] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.865798][ T1390] do_set_master (net/core/rtnetlink.c:2948) 
[ 165.866125][ T1390] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.866441][ T1390] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.866759][ T1390] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.867088][ T1390] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.867411][ T1390] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.867730][ T1390] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.868063][ T1390] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.868377][ T1390] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.868704][ T1390] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.869029][ T1390] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.869366][ T1390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.869701][ T1390] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.870014][ T1390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.870339][ T1390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.870656][ T1390] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.870978][ T1390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.871306][ T1390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.871625][ T1390] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.871949][ T1390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.872274][ T1390] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.872608][ T1390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.872929][ T1390] ? 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) 
[ 165.873259][ T1390] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 165.873586][ T1390] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.873903][ T1390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.874233][ T1390] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.874558][ T1390] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.874887][ T1390] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.875221][ T1390] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.875549][ T1390] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.875867][ T1390] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.876277][ T1390] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.876603][ T1390] ___sys_sendmsg (net/socket.c:2670) 
[ 165.876921][ T1390] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.877243][ T1390] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.877567][ T1390] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.877885][ T1390] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.878215][ T1390] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.878533][ T1390] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.878848][ T1390] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.879195][ T1390] __sys_sendmsg (net/socket.c:2700) 
[ 165.879521][ T1390] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.879837][ T1390] ? 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) 
[ 165.880174][ T1390] ? 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) 
[ 165.880510][ T1390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.880830][ T1390] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.881177][ T1390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.881576][ T1390] RIP: 0033:0x7f209ae9e1e7
[ 165.881910][ T1390] 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)
[  165.883074][ T1390] RSP: 002b:00007fff9fb65448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.883578][ T1390] RAX: ffffffffffffffda RBX: 00007fff9fb65b70 RCX: 00007f209ae9e1e7
[  165.884084][ T1390] RDX: 0000000000000000 RSI: 00007fff9fb654b0 RDI: 0000000000000005
[  165.884562][ T1390] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.885056][ T1390] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff9fb65ba8
[  165.885535][ T1390] R13: 00000000686e18f7 R14: 0000000000499600 R15: 0000000000000000
| [  166.045317][ T1392] ------------[ cut here ]------------
| [ 166.045644][ T1392] WARNING: CPU: 0 PID: 1392 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) 
| [  166.046336][ T1392] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.047490][ T1392] Tainted: [W]=WARN
[  166.047732][ T1392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.048140][ T1392] 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) 
[ 166.048468][ T1392] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  166.049679][ T1392] RSP: 0018:ffffc90000e07080 EFLAGS: 00010246
[  166.050099][ T1392] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  166.050577][ T1392] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  166.051067][ T1392] RBP: ffffc90000e07168 R08: 0000000000000000 R09: 0000000000000000
[  166.051558][ T1392] R10: ffffc90000e07198 R11: ffffffff87ea8918 R12: 1ffff920001c0e14
[  166.052031][ T1392] R13: 00000000000005dc R14: ffffc90000e07198 R15: ffff88800b27af08
[  166.052518][ T1392] FS:  00007f645f337800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  166.053100][ T1392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.053513][ T1392] CR2: 000055aaa42a5cc8 CR3: 0000000009724006 CR4: 0000000000772ef0
[  166.054003][ T1392] PKRU: 55555554
[  166.054261][ T1392] Call Trace:
[  166.054511][ T1392]  <TASK>
[ 166.054681][ T1392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.055024][ T1392] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.055370][ T1392] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.055775][ T1392] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.056111][ T1392] netif_set_mtu (net/core/dev.c:9652) 
[ 166.056444][ T1392] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.056781][ T1392] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.057249][ T1392] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.057498][ T1392] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.057953][ T1392] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.058341][ T1392] do_set_master (net/core/rtnetlink.c:2948) 
[ 166.058680][ T1392] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.059013][ T1392] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.059361][ T1392] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.059699][ T1392] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.060021][ T1392] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.060350][ T1392] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.060677][ T1392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.061001][ T1392] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.061339][ T1392] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.061683][ T1392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.062022][ T1392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.062375][ T1392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.062699][ T1392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.063022][ T1392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.063362][ T1392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.063688][ T1392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.064010][ T1392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.064358][ T1392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.064685][ T1392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.065013][ T1392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.065374][ T1392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.065709][ T1392] ? 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) 
[ 166.066038][ T1392] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 166.066368][ T1392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.066685][ T1392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.067009][ T1392] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.067359][ T1392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.067694][ T1392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.068029][ T1392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.068377][ T1392] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.068716][ T1392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.069154][ T1392] ___sys_sendmsg (net/socket.c:2670) 
[ 166.069508][ T1392] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.069834][ T1392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 166.070174][ T1392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 166.070492][ T1392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 166.070832][ T1392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.071169][ T1392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 166.071502][ T1392] __sys_sendmsg (net/socket.c:2700) 
[ 166.071832][ T1392] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.072210][ T1392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.072543][ T1392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.072865][ T1392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.073265][ T1392] RIP: 0033:0x7f645f5041e7
[ 166.073591][ T1392] 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)
[  166.074731][ T1392] RSP: 002b:00007ffdc2efda48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.075219][ T1392] RAX: ffffffffffffffda RBX: 00007ffdc2efe170 RCX: 00007f645f5041e7
[  166.075695][ T1392] RDX: 0000000000000000 RSI: 00007ffdc2efdab0 RDI: 0000000000000005
[  166.076179][ T1392] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.076654][ T1392] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc2efe1a8
[  166.077136][ T1392] R13: 00000000686e18f7 R14: 0000000000499600 R15: 0000000000000000
| [  166.264518][ T1394] ------------[ cut here ]------------
| [ 166.264857][ T1394] WARNING: CPU: 3 PID: 1394 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) 
| [  166.265584][ T1394] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.266777][ T1394] Tainted: [W]=WARN
[  166.267030][ T1394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.267461][ T1394] 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) 
[ 166.267807][ T1394] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  166.268997][ T1394] RSP: 0018:ffffc90001217080 EFLAGS: 00010246
[  166.269437][ T1394] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  166.269931][ T1394] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  166.270437][ T1394] RBP: ffffc90001217168 R08: 0000000000000000 R09: 0000000000000000
[  166.270931][ T1394] R10: ffffc90001217198 R11: ffffffff87ea8918 R12: 1ffff92000242e14
[  166.271429][ T1394] R13: 00000000000005dc R14: ffffc90001217198 R15: ffff88800b27af08
[  166.271922][ T1394] FS:  00007f7a4dd32800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  166.272509][ T1394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.272933][ T1394] CR2: 00007fb4a9a447b0 CR3: 000000000ba9a001 CR4: 0000000000772ef0
[  166.273434][ T1394] PKRU: 55555554
[  166.273679][ T1394] Call Trace:
[  166.273925][ T1394]  <TASK>
[ 166.274112][ T1394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.274445][ T1394] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.274774][ T1394] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.275189][ T1394] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.275514][ T1394] netif_set_mtu (net/core/dev.c:9652) 
[ 166.275839][ T1394] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.276182][ T1394] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.276633][ T1394] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.276879][ T1394] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.277339][ T1394] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.277704][ T1394] do_set_master (net/core/rtnetlink.c:2948) 
[ 166.278031][ T1394] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.278362][ T1394] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.278694][ T1394] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.279010][ T1394] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.279338][ T1394] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.279674][ T1394] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.279996][ T1394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.280327][ T1394] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.280657][ T1394] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.280993][ T1394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.281351][ T1394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.281682][ T1394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.282042][ T1394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.282380][ T1394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.282701][ T1394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.283026][ T1394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.283355][ T1394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.283675][ T1394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.283996][ T1394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.284322][ T1394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.284656][ T1394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.284977][ T1394] ? 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) 
[ 166.285333][ T1394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 166.285658][ T1394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.285972][ T1394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.286308][ T1394] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.286632][ T1394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.286960][ T1394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.287298][ T1394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.287631][ T1394] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.287953][ T1394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.288385][ T1394] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 166.288722][ T1394] ___sys_sendmsg (net/socket.c:2670) 
[ 166.289044][ T1394] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.289382][ T1394] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 166.289704][ T1394] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.290019][ T1394] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 166.290355][ T1394] ? __handle_mm_fault (mm/memory.c:6212) 
[ 166.290678][ T1394] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 166.290993][ T1394] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 166.291344][ T1394] __sys_sendmsg (net/socket.c:2700) 
[ 166.291670][ T1394] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.291996][ T1394] ? 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) 
[ 166.292335][ T1394] ? 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) 
[ 166.292654][ T1394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.292977][ T1394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.293312][ T1394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.293721][ T1394] RIP: 0033:0x7f7a4deff1e7
[ 166.294064][ T1394] 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)
[  166.295212][ T1394] RSP: 002b:00007ffe1fae3a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.295700][ T1394] RAX: ffffffffffffffda RBX: 00007ffe1fae4170 RCX: 00007f7a4deff1e7
[  166.296191][ T1394] RDX: 0000000000000000 RSI: 00007ffe1fae3ab0 RDI: 0000000000000005
[  166.296663][ T1394] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.297152][ T1394] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe1fae41a8
[  166.297629][ T1394] R13: 00000000686e18f8 R14: 0000000000499600 R15: 0000000000000000
| [  166.483672][ T1396] ------------[ cut here ]------------
| [ 166.484336][ T1396] WARNING: CPU: 1 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) 
| [  166.485073][ T1396] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.486726][ T1396] Tainted: [W]=WARN
[  166.487155][ T1396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.487814][ 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) 
[ 166.488389][ T1396] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  166.490503][ T1396] RSP: 0018:ffffc90001237080 EFLAGS: 00010246
[  166.491248][ T1396] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  166.492111][ T1396] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  166.492988][ T1396] RBP: ffffc90001237168 R08: 0000000000000000 R09: 0000000000000000
[  166.493867][ T1396] R10: ffffc90001237198 R11: ffffffff87ea8918 R12: 1ffff92000246e14
[  166.494751][ T1396] R13: 00000000000005dc R14: ffffc90001237198 R15: ffff88800b27af08
[  166.495640][ T1396] FS:  00007f567c9b2800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  166.496460][ T1396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.496875][ T1396] CR2: 00000000004a1738 CR3: 000000000ba9a005 CR4: 0000000000772ef0
[  166.497424][ T1396] PKRU: 55555554
[  166.497674][ T1396] Call Trace:
[  166.497921][ T1396]  <TASK>
[ 166.498114][ T1396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.498469][ T1396] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.498816][ T1396] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.499258][ T1396] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.499604][ T1396] netif_set_mtu (net/core/dev.c:9652) 
[ 166.499935][ T1396] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.500299][ T1396] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.500760][ T1396] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.501044][ T1396] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.501578][ T1396] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.501959][ T1396] do_set_master (net/core/rtnetlink.c:2948) 
[ 166.502392][ T1396] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.502727][ T1396] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.503136][ T1396] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.503468][ T1396] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.503855][ T1396] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.504224][ T1396] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.504656][ T1396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.505081][ T1396] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.505509][ T1396] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.505884][ T1396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.506414][ T1396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.506983][ T1396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.507561][ T1396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.508154][ T1396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.508729][ T1396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.509298][ T1396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.509691][ T1396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.510025][ T1396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.510378][ T1396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.510710][ T1396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.511073][ T1396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.511402][ 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) 
[ 166.511731][ T1396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 166.512075][ T1396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.512405][ T1396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.512747][ T1396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.513088][ T1396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.513425][ T1396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.513762][ T1396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.514109][ T1396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.514439][ T1396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.514854][ T1396] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 166.515200][ T1396] ___sys_sendmsg (net/socket.c:2670) 
[ 166.515536][ T1396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.515873][ T1396] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 166.516213][ T1396] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.516549][ T1396] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 166.516882][ T1396] ? __handle_mm_fault (mm/memory.c:6212) 
[ 166.517222][ T1396] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 166.517550][ T1396] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 166.517894][ T1396] __sys_sendmsg (net/socket.c:2700) 
[ 166.518240][ T1396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.518568][ 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) 
[ 166.518950][ 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) 
[ 166.519279][ T1396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.519611][ T1396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.519926][ T1396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.520327][ T1396] RIP: 0033:0x7f567cb7f1e7
[ 166.520672][ T1396] Code: Unable to access opcode bytes at 0x7f567cb7f1bd.

Code starting with the faulting instruction
===========================================
[  166.521085][ T1396] RSP: 002b:00007ffee1a12328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.521564][ T1396] RAX: ffffffffffffffda RBX: 00007ffee1a12a50 RCX: 00007f567cb7f1e7
[  166.522040][ T1396] RDX: 0000000000000000 RSI: 00007ffee1a12390 RDI: 0000000000000005
[  166.522520][ T1396] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.523003][ T1396] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee1a12a88
[  166.523483][ T1396] R13: 00000000686e18f8 R14: 0000000000499600 R15: 0000000000000000
| [  166.683012][ T1399] ------------[ cut here ]------------
| [ 166.684016][ T1399] WARNING: CPU: 3 PID: 1399 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) 
| [  166.685256][ T1399] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.687320][ T1399] Tainted: [W]=WARN
[  166.687732][ T1399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.688437][ T1399] 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) 
[ 166.688972][ T1399] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  166.690939][ T1399] RSP: 0018:ffffc90001247080 EFLAGS: 00010246
[  166.691671][ T1399] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  166.692561][ T1399] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  166.693419][ T1399] RBP: ffffc90001247168 R08: 0000000000000000 R09: 0000000000000000
[  166.694300][ T1399] R10: ffffc90001247198 R11: ffffffff87ea8918 R12: 1ffff92000248e14
[  166.695247][ T1399] R13: 00000000000005dc R14: ffffc90001247198 R15: ffff88800b27af08
[  166.696091][ T1399] FS:  00007f812c58b800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  166.697073][ T1399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.697743][ T1399] CR2: 00000000004a1738 CR3: 000000000ec16005 CR4: 0000000000772ef0
[  166.698639][ T1399] PKRU: 55555554
[  166.699096][ T1399] Call Trace:
[  166.699541][ T1399]  <TASK>
[ 166.699832][ T1399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.700422][ T1399] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.701009][ T1399] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.701662][ T1399] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.702257][ T1399] netif_set_mtu (net/core/dev.c:9652) 
[ 166.702836][ T1399] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.703447][ T1399] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.704252][ T1399] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.704708][ T1399] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.705509][ T1399] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.706180][ T1399] do_set_master (net/core/rtnetlink.c:2948) 
[ 166.706746][ T1399] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.707339][ T1399] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.707913][ T1399] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.708497][ T1399] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.709079][ T1399] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.709663][ T1399] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.710261][ T1399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.710827][ T1399] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.711437][ T1399] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.712033][ T1399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.712632][ T1399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.713245][ T1399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.713817][ T1399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.714527][ T1399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.715112][ T1399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.715691][ T1399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.716285][ T1399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.716868][ T1399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.717461][ T1399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.718043][ T1399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.718669][ T1399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.719248][ T1399] ? 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) 
[ 166.719670][ T1399] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 166.720015][ T1399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.720364][ T1399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.720704][ T1399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.721065][ T1399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.721420][ T1399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.721770][ T1399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.722120][ T1399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.722450][ T1399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.722879][ T1399] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 166.723234][ T1399] ___sys_sendmsg (net/socket.c:2670) 
[ 166.723817][ T1399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.724166][ T1399] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 166.724519][ T1399] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.724864][ T1399] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 166.725678][ T1399] ? __handle_mm_fault (mm/memory.c:6212) 
[ 166.726011][ T1399] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 166.726343][ T1399] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 166.726925][ T1399] __sys_sendmsg (net/socket.c:2700) 
[ 166.727269][ T1399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.727601][ T1399] ? 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) 
[ 166.727953][ T1399] ? 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) 
[ 166.728306][ T1399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.728641][ T1399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.728974][ T1399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.729406][ T1399] RIP: 0033:0x7f812c7581e7
[ 166.729755][ T1399] 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)
[  166.730952][ T1399] RSP: 002b:00007ffc9bbc4d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.731467][ T1399] RAX: ffffffffffffffda RBX: 00007ffc9bbc5440 RCX: 00007f812c7581e7
[  166.731970][ T1399] RDX: 0000000000000000 RSI: 00007ffc9bbc4d80 RDI: 0000000000000005
[  166.732480][ T1399] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.732989][ T1399] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9bbc5478
[  166.733494][ T1399] R13: 00000000686e18f8 R14: 0000000000499600 R15: 0000000000000000
| [  166.908707][ T1401] ------------[ cut here ]------------
| [ 166.909171][ T1401] WARNING: CPU: 1 PID: 1401 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) 
| [  166.909845][ T1401] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.911041][ T1401] Tainted: [W]=WARN
[  166.911456][ T1401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.911875][ T1401] 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) 
[ 166.912369][ T1401] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  166.913699][ T1401] RSP: 0018:ffffc90001257080 EFLAGS: 00010246
[  166.914233][ T1401] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  166.914724][ T1401] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  166.915232][ T1401] RBP: ffffc90001257168 R08: 0000000000000000 R09: 0000000000000000
[  166.915728][ T1401] R10: ffffc90001257198 R11: ffffffff87ea8918 R12: 1ffff9200024ae14
[  166.916235][ T1401] R13: 00000000000005dc R14: ffffc90001257198 R15: ffff88800b27af08
[  166.916729][ T1401] FS:  00007fc584cc5800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  166.917314][ T1401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.917743][ T1401] CR2: 00000000004a1738 CR3: 000000000b308002 CR4: 0000000000772ef0
[  166.918263][ T1401] PKRU: 55555554
[  166.918512][ T1401] Call Trace:
[  166.918759][ T1401]  <TASK>
[ 166.918928][ T1401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.919280][ T1401] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.919627][ T1401] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.920056][ T1401] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.920395][ T1401] netif_set_mtu (net/core/dev.c:9652) 
[ 166.920726][ T1401] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.921088][ T1401] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.921553][ T1401] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.921803][ T1401] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.922257][ T1401] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.922637][ T1401] do_set_master (net/core/rtnetlink.c:2948) 
[ 166.922975][ T1401] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.923326][ T1401] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.923669][ T1401] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.923992][ T1401] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.924337][ T1401] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.924678][ T1401] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.925016][ T1401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.925365][ T1401] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.925706][ T1401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.926058][ T1401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.926406][ T1401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.926739][ T1401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.927095][ T1401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.927428][ T1401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.927760][ T1401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.928114][ T1401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.928452][ T1401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.928788][ T1401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.929138][ T1401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.929503][ T1401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.929841][ T1401] ? 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) 
[ 166.930188][ T1401] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 166.930526][ T1401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.930862][ T1401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.931221][ T1401] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.931561][ T1401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.931894][ T1401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.932247][ T1401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.932586][ T1401] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.932919][ T1401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.933352][ T1401] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 166.933690][ T1401] ___sys_sendmsg (net/socket.c:2670) 
[ 166.934029][ T1401] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.934367][ T1401] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 166.934700][ T1401] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.935030][ T1401] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 166.935390][ T1401] ? __handle_mm_fault (mm/memory.c:6212) 
[ 166.935727][ T1401] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 166.936081][ T1401] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 166.936438][ T1401] __sys_sendmsg (net/socket.c:2700) 
[ 166.936774][ T1401] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.937126][ T1401] ? 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) 
[ 166.937471][ T1401] ? 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) 
[ 166.937805][ T1401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.938155][ T1401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.938489][ T1401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.938906][ T1401] RIP: 0033:0x7fc584e921e7
[ 166.939273][ T1401] 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)
[  166.940490][ T1401] RSP: 002b:00007ffdc2507db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.940988][ T1401] RAX: ffffffffffffffda RBX: 00007ffdc25084e0 RCX: 00007fc584e921e7
[  166.941494][ T1401] RDX: 0000000000000000 RSI: 00007ffdc2507e20 RDI: 0000000000000005
[  166.942002][ T1401] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.942507][ T1401] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc2508518
[  166.943001][ T1401] R13: 00000000686e18f8 R14: 0000000000499600 R15: 0000000000000000
| [  167.121369][ T1402] ------------[ cut here ]------------
| [ 167.121720][ T1402] WARNING: CPU: 2 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) 
| [  167.122465][ T1402] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.123674][ T1402] Tainted: [W]=WARN
[  167.123952][ T1402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.124386][ 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) 
[ 167.124759][ T1402] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  167.126056][ T1402] RSP: 0018:ffffc90001267080 EFLAGS: 00010246
[  167.126475][ T1402] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  167.126958][ T1402] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  167.127463][ T1402] RBP: ffffc90001267168 R08: 0000000000000000 R09: 0000000000000000
[  167.127968][ T1402] R10: ffffc90001267198 R11: ffffffff87ea8918 R12: 1ffff9200024ce14
[  167.128487][ T1402] R13: 00000000000005dc R14: ffffc90001267198 R15: ffff88800b27af08
[  167.128982][ T1402] FS:  00007fcd16a76800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  167.129610][ T1402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.130023][ T1402] CR2: 000055aaa428f578 CR3: 000000000ec11001 CR4: 0000000000772ef0
[  167.130525][ T1402] PKRU: 55555554
[  167.130780][ T1402] Call Trace:
[  167.131060][ T1402]  <TASK>
[ 167.131249][ T1402] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.131597][ T1402] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.131944][ T1402] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.132383][ T1402] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.132735][ T1402] netif_set_mtu (net/core/dev.c:9652) 
[ 167.133097][ T1402] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.133458][ T1402] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.133932][ T1402] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.134207][ T1402] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.134728][ T1402] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.135147][ T1402] do_set_master (net/core/rtnetlink.c:2948) 
[ 167.135498][ T1402] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.135857][ T1402] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.136232][ T1402] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.136610][ T1402] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.136967][ T1402] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.137350][ T1402] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.137728][ T1402] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.138098][ T1402] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.138460][ T1402] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.138825][ T1402] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.139191][ T1402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.139666][ T1402] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.140010][ T1402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.140356][ T1402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.140715][ T1402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.141065][ T1402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.141430][ T1402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.141772][ T1402] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.142135][ T1402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.142485][ T1402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.142840][ T1402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.143204][ 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) 
[ 167.143546][ T1402] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 167.143883][ T1402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.144222][ T1402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.144571][ T1402] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.144961][ T1402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.145333][ T1402] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.145712][ T1402] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.146081][ T1402] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.146441][ T1402] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.146880][ T1402] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.147253][ T1402] ___sys_sendmsg (net/socket.c:2670) 
[ 167.147612][ T1402] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.147981][ T1402] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.148347][ T1402] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.148725][ T1402] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.149117][ T1402] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.149517][ T1402] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.149886][ T1402] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.150263][ T1402] __sys_sendmsg (net/socket.c:2700) 
[ 167.150613][ T1402] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.150960][ 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) 
[ 167.151328][ 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) 
[ 167.151694][ T1402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.152090][ T1402] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.152441][ T1402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.152872][ T1402] RIP: 0033:0x7fcd16c431e7
[ 167.153238][ 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)
[  167.154452][ T1402] RSP: 002b:00007fff22267c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.155000][ T1402] RAX: ffffffffffffffda RBX: 00007fff22268370 RCX: 00007fcd16c431e7
[  167.155537][ T1402] RDX: 0000000000000000 RSI: 00007fff22267cb0 RDI: 0000000000000005
[  167.156073][ T1402] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.156614][ T1402] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff222683a8
[  167.157148][ T1402] R13: 00000000686e18f8 R14: 0000000000499600 R15: 0000000000000000
| [  167.343243][ T1405] ------------[ cut here ]------------
| [ 167.343624][ T1405] WARNING: CPU: 1 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) 
| [  167.344449][ T1405] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.345821][ T1405] Tainted: [W]=WARN
[  167.346226][ T1405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.346656][ 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) 
[ 167.347007][ T1405] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  167.348363][ T1405] RSP: 0018:ffffc90001267080 EFLAGS: 00010246
[  167.348796][ T1405] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  167.349366][ T1405] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  167.349876][ T1405] RBP: ffffc90001267168 R08: 0000000000000000 R09: 0000000000000000
[  167.350382][ T1405] R10: ffffc90001267198 R11: ffffffff87ea8918 R12: 1ffff9200024ce14
[  167.350889][ T1405] R13: 00000000000005dc R14: ffffc90001267198 R15: ffff88800b27af08
[  167.351402][ T1405] FS:  00007f6722ee2800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  167.351984][ T1405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.352413][ T1405] CR2: 00000000004a1738 CR3: 0000000005408004 CR4: 0000000000772ef0
[  167.352920][ T1405] PKRU: 55555554
[  167.353187][ T1405] Call Trace:
[  167.353442][ T1405]  <TASK>
[ 167.353616][ T1405] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.353957][ T1405] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.354300][ T1405] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.354720][ T1405] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.355069][ T1405] netif_set_mtu (net/core/dev.c:9652) 
[ 167.355417][ T1405] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.355766][ T1405] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.356248][ T1405] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.356504][ T1405] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.356963][ T1405] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.357354][ T1405] do_set_master (net/core/rtnetlink.c:2948) 
[ 167.357692][ T1405] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.358031][ T1405] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.358384][ T1405] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.358723][ T1405] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.359067][ T1405] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.359429][ T1405] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.359776][ T1405] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.360120][ T1405] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.360464][ T1405] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.360816][ T1405] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.361164][ T1405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.361513][ T1405] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.361846][ T1405] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.362194][ T1405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.362530][ T1405] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.362868][ T1405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.363215][ T1405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.363564][ T1405] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.363902][ T1405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.364253][ T1405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.364586][ T1405] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.364908][ 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) 
[ 167.365238][ T1405] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 167.365561][ T1405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.365887][ T1405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.366223][ T1405] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.366547][ T1405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.366873][ T1405] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.367227][ T1405] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.367567][ T1405] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.367900][ T1405] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.368344][ T1405] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.368688][ T1405] ___sys_sendmsg (net/socket.c:2670) 
[ 167.369024][ T1405] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.369366][ T1405] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.369710][ T1405] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.370027][ T1405] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.370362][ T1405] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.370688][ T1405] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.371106][ T1405] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.371450][ T1405] __sys_sendmsg (net/socket.c:2700) 
[ 167.371769][ T1405] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.372104][ 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) 
[ 167.372436][ 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) 
[ 167.372767][ T1405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.373103][ T1405] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.373425][ T1405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.373828][ T1405] RIP: 0033:0x7f67230af1e7
[ 167.374170][ 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)
[  167.375343][ T1405] RSP: 002b:00007ffe11da2918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.375838][ T1405] RAX: ffffffffffffffda RBX: 00007ffe11da3040 RCX: 00007f67230af1e7
[  167.376357][ T1405] RDX: 0000000000000000 RSI: 00007ffe11da2980 RDI: 0000000000000005
[  167.376867][ T1405] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.377369][ T1405] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe11da3078
[  167.377866][ T1405] R13: 00000000686e18f9 R14: 0000000000499600 R15: 0000000000000000
| [  167.517545][ T1406] ------------[ cut here ]------------
| [ 167.517894][ T1406] WARNING: CPU: 2 PID: 1406 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) 
| [  167.518670][ T1406] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.519943][ T1406] Tainted: [W]=WARN
[  167.520228][ T1406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.520677][ T1406] 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) 
[ 167.521066][ T1406] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  167.522331][ T1406] RSP: 0018:ffffc900011b7080 EFLAGS: 00010246
[  167.522791][ T1406] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  167.523346][ T1406] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  167.523879][ T1406] RBP: ffffc900011b7168 R08: 0000000000000000 R09: 0000000000000000
[  167.524406][ T1406] R10: ffffc900011b7198 R11: ffffffff87ea8918 R12: 1ffff92000236e14
[  167.524938][ T1406] R13: 00000000000005dc R14: ffffc900011b7198 R15: ffff88800b27af08
[  167.525481][ T1406] FS:  00007f454d3e2800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  167.526104][ T1406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.526565][ T1406] CR2: 00000000004a1738 CR3: 0000000005408001 CR4: 0000000000772ef0
[  167.527115][ T1406] PKRU: 55555554
[  167.527404][ T1406] Call Trace:
[  167.527684][ T1406]  <TASK>
[ 167.527886][ T1406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.528272][ T1406] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.528658][ T1406] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.529110][ T1406] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.529520][ T1406] netif_set_mtu (net/core/dev.c:9652) 
[ 167.529867][ T1406] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.530227][ T1406] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.530710][ T1406] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.531003][ T1406] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.531521][ T1406] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.531909][ T1406] do_set_master (net/core/rtnetlink.c:2948) 
[ 167.532280][ T1406] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.532634][ T1406] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.532985][ T1406] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.533337][ T1406] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.533706][ T1406] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.534042][ T1406] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.534423][ T1406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.534781][ T1406] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.535157][ T1406] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.535528][ T1406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.535877][ T1406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.536270][ T1406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.536632][ T1406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.536986][ T1406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.537412][ T1406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.537773][ T1406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.538183][ T1406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.538541][ T1406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.538897][ T1406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.539258][ T1406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.539660][ T1406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.540026][ T1406] ? 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) 
[ 167.540402][ T1406] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 167.540757][ T1406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.541128][ T1406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.541483][ T1406] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.541828][ T1406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.542173][ T1406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.542519][ T1406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.542868][ T1406] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.543244][ T1406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.543689][ T1406] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.544032][ T1406] ___sys_sendmsg (net/socket.c:2670) 
[ 167.544390][ T1406] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.544742][ T1406] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.545114][ T1406] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.545487][ T1406] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.545841][ T1406] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.546201][ T1406] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.546560][ T1406] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.546955][ T1406] __sys_sendmsg (net/socket.c:2700) 
[ 167.547325][ T1406] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.547676][ T1406] ? 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) 
[ 167.548035][ T1406] ? 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) 
[ 167.548391][ T1406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.548739][ T1406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.549091][ T1406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.549528][ T1406] RIP: 0033:0x7f454d5af1e7
[ 167.549908][ T1406] 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)
[  167.551098][ T1406] RSP: 002b:00007ffcc89f94f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.551626][ T1406] RAX: ffffffffffffffda RBX: 00007ffcc89f9c20 RCX: 00007f454d5af1e7
[  167.552150][ T1406] RDX: 0000000000000000 RSI: 00007ffcc89f9560 RDI: 0000000000000005
[  167.552900][ T1406] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.553404][ T1406] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc89f9c58
[  167.554163][ T1406] R13: 00000000686e18f9 R14: 0000000000499600 R15: 0000000000000000
| [  167.732674][ T1408] ------------[ cut here ]------------
| [ 167.733600][ T1408] WARNING: CPU: 2 PID: 1408 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) 
| [  167.734329][ T1408] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.735551][ T1408] Tainted: [W]=WARN
[  167.735816][ T1408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.736248][ T1408] 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) 
[ 167.736619][ T1408] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  167.737835][ T1408] RSP: 0018:ffffc900011b7080 EFLAGS: 00010246
[  167.738303][ T1408] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  167.738816][ T1408] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  167.739372][ T1408] RBP: ffffc900011b7168 R08: 0000000000000000 R09: 0000000000000000
[  167.739928][ T1408] R10: ffffc900011b7198 R11: ffffffff87ea8918 R12: 1ffff92000236e14
[  167.740492][ T1408] R13: 00000000000005dc R14: ffffc900011b7198 R15: ffff88800b27af08
[  167.741027][ T1408] FS:  00007f5b52856800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  167.741667][ T1408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.742125][ T1408] CR2: 00007f3b9a75f1b4 CR3: 000000001ac3e005 CR4: 0000000000772ef0
[  167.742649][ T1408] PKRU: 55555554
[  167.743056][ T1408] Call Trace:
[  167.743348][ T1408]  <TASK>
[ 167.743539][ T1408] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.743912][ T1408] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.744294][ T1408] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.744720][ T1408] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.745106][ T1408] netif_set_mtu (net/core/dev.c:9652) 
[ 167.745482][ T1408] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.745845][ T1408] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.746506][ T1408] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.746926][ T1408] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.747520][ T1408] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.747911][ T1408] do_set_master (net/core/rtnetlink.c:2948) 
[ 167.748268][ T1408] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.748604][ T1408] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.748968][ T1408] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.749314][ T1408] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.749672][ T1408] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.750039][ T1408] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.750409][ T1408] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.750774][ T1408] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.751127][ T1408] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.751473][ T1408] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.751824][ T1408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.752192][ T1408] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.752534][ T1408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.752889][ T1408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.753250][ T1408] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.753593][ T1408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.753959][ T1408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.754318][ T1408] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.754653][ T1408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.754987][ T1408] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.755352][ T1408] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.755711][ T1408] ? 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) 
[ 167.756066][ T1408] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 167.756412][ T1408] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.756760][ T1408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.757116][ T1408] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.757460][ T1408] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.757794][ T1408] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.758181][ T1408] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.758521][ T1408] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.758880][ T1408] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.759316][ T1408] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.759676][ T1408] ___sys_sendmsg (net/socket.c:2670) 
[ 167.760014][ T1408] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.760361][ T1408] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.760701][ T1408] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.761058][ T1408] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.761401][ T1408] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.761747][ T1408] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.762100][ T1408] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.762460][ T1408] __sys_sendmsg (net/socket.c:2700) 
[ 167.762792][ T1408] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.763137][ T1408] ? 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) 
[ 167.763478][ T1408] ? 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) 
[ 167.763816][ T1408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.764159][ T1408] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.764490][ T1408] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.764892][ T1408] RIP: 0033:0x7f5b52a231e7
[ 167.765242][ T1408] Code: Unable to access opcode bytes at 0x7f5b52a231bd.

Code starting with the faulting instruction
===========================================
[  167.765684][ T1408] RSP: 002b:00007ffca527af38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.766190][ T1408] RAX: ffffffffffffffda RBX: 00007ffca527b660 RCX: 00007f5b52a231e7
[  167.766673][ T1408] RDX: 0000000000000000 RSI: 00007ffca527afa0 RDI: 0000000000000005
[  167.767193][ T1408] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.767698][ T1408] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca527b698
[  167.768215][ T1408] R13: 00000000686e18f9 R14: 0000000000499600 R15: 0000000000000000
| [  167.922980][ T1410] ------------[ cut here ]------------
| [ 167.923536][ T1410] WARNING: CPU: 1 PID: 1410 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) 
| [  167.924182][ T1410] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.925388][ T1410] Tainted: [W]=WARN
[  167.925640][ T1410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.926063][ T1410] 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) 
[ 167.926401][ T1410] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  167.927595][ T1410] RSP: 0000:ffffc90001237080 EFLAGS: 00010246
[  167.928019][ T1410] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  167.928527][ T1410] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  167.929031][ T1410] RBP: ffffc90001237168 R08: 0000000000000000 R09: 0000000000000000
[  167.929553][ T1410] R10: ffffc90001237198 R11: ffffffff87ea8918 R12: 1ffff92000246e14
[  167.930110][ T1410] R13: 00000000000005dc R14: ffffc90001237198 R15: ffff88800b27af08
[  167.930615][ T1410] FS:  00007f0466e8c800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  167.931214][ T1410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.931632][ T1410] CR2: 00007fcac0154888 CR3: 000000001ac3e005 CR4: 0000000000772ef0
[  167.932151][ T1410] PKRU: 55555554
[  167.932404][ T1410] Call Trace:
[  167.932654][ T1410]  <TASK>
[ 167.932828][ T1410] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.933178][ T1410] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.933521][ T1410] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.933938][ T1410] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.934283][ T1410] netif_set_mtu (net/core/dev.c:9652) 
[ 167.934624][ T1410] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.934967][ T1410] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.935445][ T1410] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.935700][ T1410] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.936186][ T1410] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.936590][ T1410] do_set_master (net/core/rtnetlink.c:2948) 
[ 167.936934][ T1410] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.937292][ T1410] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.937633][ T1410] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.937964][ T1410] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.938308][ T1410] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.938648][ T1410] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.938995][ T1410] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.939336][ T1410] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.939702][ T1410] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.940040][ T1410] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.940380][ T1410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.940728][ T1410] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.941067][ T1410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.941423][ T1410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.941759][ T1410] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.942095][ T1410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.942433][ T1410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.942769][ T1410] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.943118][ T1410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.943446][ T1410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.943785][ T1410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.944117][ T1410] ? 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) 
[ 167.944446][ T1410] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 167.944778][ T1410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.945119][ T1410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.945451][ T1410] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.945771][ T1410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.946100][ T1410] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.946438][ T1410] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.946770][ T1410] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.947117][ T1410] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.947518][ T1410] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.947841][ T1410] ___sys_sendmsg (net/socket.c:2670) 
[ 167.948172][ T1410] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.948527][ T1410] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.948848][ T1410] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.949173][ T1410] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.949666][ T1410] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.949979][ T1410] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.950331][ T1410] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.950684][ T1410] __sys_sendmsg (net/socket.c:2700) 
[ 167.950999][ T1410] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.951360][ T1410] ? 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) 
[ 167.951702][ T1410] ? 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) 
[ 167.952031][ T1410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.952365][ T1410] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.952700][ T1410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.953113][ T1410] RIP: 0033:0x7f04670591e7
[ 167.953469][ T1410] 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)
[  167.954641][ T1410] RSP: 002b:00007ffee76dce28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.955149][ T1410] RAX: ffffffffffffffda RBX: 00007ffee76dd550 RCX: 00007f04670591e7
[  167.955631][ T1410] RDX: 0000000000000000 RSI: 00007ffee76dce90 RDI: 0000000000000005
[  167.956132][ T1410] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.956604][ T1410] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee76dd588
[  167.957107][ T1410] R13: 00000000686e18f9 R14: 0000000000499600 R15: 0000000000000000
| [  168.119042][ T1412] ------------[ cut here ]------------
| [ 168.119393][ T1412] WARNING: CPU: 0 PID: 1412 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) 
| [  168.120135][ T1412] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.121336][ T1412] Tainted: [W]=WARN
[  168.121593][ T1412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.122005][ T1412] 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) 
[ 168.122362][ T1412] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  168.123556][ T1412] RSP: 0018:ffffc900011b7080 EFLAGS: 00010246
[  168.123983][ T1412] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  168.124512][ T1412] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  168.125026][ T1412] RBP: ffffc900011b7168 R08: 0000000000000000 R09: 0000000000000000
[  168.125531][ T1412] R10: ffffc900011b7198 R11: ffffffff87ea8918 R12: 1ffff92000236e14
[  168.126029][ T1412] R13: 00000000000005dc R14: ffffc900011b7198 R15: ffff88800b27af08
[  168.126536][ T1412] FS:  00007fb458776800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  168.127133][ T1412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.127557][ T1412] CR2: 00007fb4a9edec94 CR3: 000000000fe43004 CR4: 0000000000772ef0
[  168.128067][ T1412] PKRU: 55555554
[  168.128316][ T1412] Call Trace:
[  168.128566][ T1412]  <TASK>
[ 168.128742][ T1412] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.129096][ T1412] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.129445][ T1412] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.129865][ T1412] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.130192][ T1412] netif_set_mtu (net/core/dev.c:9652) 
[ 168.130511][ T1412] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.130839][ T1412] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.131313][ T1412] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.131574][ T1412] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.132035][ T1412] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.132427][ T1412] do_set_master (net/core/rtnetlink.c:2948) 
[ 168.132844][ T1412] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.133185][ T1412] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.133512][ T1412] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.133829][ T1412] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.134156][ T1412] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.134483][ T1412] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.134802][ T1412] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.135128][ T1412] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.135446][ T1412] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.135778][ T1412] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.136109][ T1412] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.136443][ T1412] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.136788][ T1412] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.137137][ T1412] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.137473][ T1412] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.137807][ T1412] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.138158][ T1412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.138500][ T1412] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.138840][ T1412] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.139186][ T1412] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.139546][ T1412] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.139882][ T1412] ? 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) 
[ 168.140228][ T1412] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 168.140574][ T1412] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.140908][ T1412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.141262][ T1412] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.141611][ T1412] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.141949][ T1412] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.142304][ T1412] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.142647][ T1412] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.142984][ T1412] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.143410][ T1412] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.143758][ T1412] ___sys_sendmsg (net/socket.c:2670) 
[ 168.144101][ T1412] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.144428][ T1412] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.144762][ T1412] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.145097][ T1412] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.145674][ T1412] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.146009][ T1412] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.146354][ T1412] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.146703][ T1412] __sys_sendmsg (net/socket.c:2700) 
[ 168.147271][ T1412] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.147607][ T1412] ? 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) 
[ 168.147947][ T1412] ? 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) 
[ 168.148287][ T1412] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.148849][ T1412] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.149201][ T1412] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.149612][ T1412] RIP: 0033:0x7fb4589431e7
[ 168.149941][ T1412] 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)
[  168.151317][ T1412] RSP: 002b:00007ffeb34b9e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.152038][ T1412] RAX: ffffffffffffffda RBX: 00007ffeb34ba550 RCX: 00007fb4589431e7
[  168.152526][ T1412] RDX: 0000000000000000 RSI: 00007ffeb34b9e90 RDI: 0000000000000005
[  168.152999][ T1412] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.153712][ T1412] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeb34ba588
[  168.154188][ T1412] R13: 00000000686e18f9 R14: 0000000000499600 R15: 0000000000000000
| [  168.313694][ T1414] ------------[ cut here ]------------
| [ 168.314036][ T1414] WARNING: CPU: 1 PID: 1414 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) 
| [  168.314735][ T1414] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.315958][ T1414] Tainted: [W]=WARN
[  168.316383][ T1414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.316812][ T1414] 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) 
[ 168.317312][ T1414] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  168.318496][ T1414] RSP: 0018:ffffc90001237080 EFLAGS: 00010246
[  168.318915][ T1414] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  168.319425][ T1414] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  168.319933][ T1414] RBP: ffffc90001237168 R08: 0000000000000000 R09: 0000000000000000
[  168.320443][ T1414] R10: ffffc90001237198 R11: ffffffff87ea8918 R12: 1ffff92000246e14
[  168.320967][ T1414] R13: 00000000000005dc R14: ffffc90001237198 R15: ffff88800b27af08
[  168.321469][ T1414] FS:  00007fc7a3e9d800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  168.322081][ T1414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.322499][ T1414] CR2: 00007fb4a9d47b30 CR3: 0000000008f83003 CR4: 0000000000772ef0
[  168.322995][ T1414] PKRU: 55555554
[  168.323251][ T1414] Call Trace:
[  168.323499][ T1414]  <TASK>
[ 168.323671][ T1414] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.324018][ T1414] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.324371][ T1414] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.324794][ T1414] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.325147][ T1414] netif_set_mtu (net/core/dev.c:9652) 
[ 168.325481][ T1414] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.325822][ T1414] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.326292][ T1414] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.326550][ T1414] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.327010][ T1414] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.327405][ T1414] do_set_master (net/core/rtnetlink.c:2948) 
[ 168.327751][ T1414] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.328109][ T1414] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.328450][ T1414] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.328781][ T1414] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.329126][ T1414] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.329521][ T1414] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.329858][ T1414] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.330184][ T1414] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.330507][ T1414] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.330838][ T1414] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.331167][ T1414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.331495][ T1414] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.331822][ T1414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.332165][ T1414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.332498][ T1414] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.332833][ T1414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.333167][ T1414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.333512][ T1414] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.333834][ T1414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.334168][ T1414] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.334514][ T1414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.334833][ T1414] ? 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) 
[ 168.335166][ T1414] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 168.335489][ T1414] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.335805][ T1414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.336145][ T1414] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.336475][ T1414] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.336822][ T1414] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.337189][ T1414] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.337533][ T1414] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.337849][ T1414] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.338261][ T1414] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.338604][ T1414] ___sys_sendmsg (net/socket.c:2670) 
[ 168.338938][ T1414] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.339279][ T1414] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.339621][ T1414] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.339941][ T1414] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.340282][ T1414] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.340613][ T1414] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.340945][ T1414] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.341285][ T1414] __sys_sendmsg (net/socket.c:2700) 
[ 168.341600][ T1414] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.341918][ T1414] ? 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) 
[ 168.342253][ T1414] ? 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) 
[ 168.342579][ T1414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.342912][ T1414] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.343248][ T1414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.343641][ T1414] RIP: 0033:0x7fc7a406a1e7
[ 168.343971][ T1414] 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)
[  168.345148][ T1414] RSP: 002b:00007fffb0432f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.345664][ T1414] RAX: ffffffffffffffda RBX: 00007fffb0433630 RCX: 00007fc7a406a1e7
[  168.346180][ T1414] RDX: 0000000000000000 RSI: 00007fffb0432f70 RDI: 0000000000000005
[  168.346692][ T1414] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.347209][ T1414] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb0433668
[  168.347714][ T1414] R13: 00000000686e18fa R14: 0000000000499600 R15: 0000000000000000
| [  168.504062][ T1416] ------------[ cut here ]------------
| [ 168.504377][ T1416] WARNING: CPU: 3 PID: 1416 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) 
| [  168.505002][ T1416] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.506275][ T1416] Tainted: [W]=WARN
[  168.506519][ T1416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.506928][ T1416] 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) 
[ 168.507263][ T1416] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  168.508409][ T1416] RSP: 0018:ffffc90001237080 EFLAGS: 00010246
[  168.508813][ T1416] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  168.509294][ T1416] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  168.509779][ T1416] RBP: ffffc90001237168 R08: 0000000000000000 R09: 0000000000000000
[  168.510258][ T1416] R10: ffffc90001237198 R11: ffffffff87ea8918 R12: 1ffff92000246e14
[  168.510735][ T1416] R13: 00000000000005dc R14: ffffc90001237198 R15: ffff88800b27af08
[  168.511212][ T1416] FS:  00007f24a9d44800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  168.511767][ T1416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.512172][ T1416] CR2: 00000000004a1738 CR3: 000000001b6a7006 CR4: 0000000000772ef0
[  168.512658][ T1416] PKRU: 55555554
[  168.512911][ T1416] Call Trace:
[  168.513167][ T1416]  <TASK>
[ 168.513345][ T1416] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.513690][ T1416] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.514031][ T1416] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.514456][ T1416] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.514796][ T1416] netif_set_mtu (net/core/dev.c:9652) 
[ 168.515142][ T1416] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.515488][ T1416] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.515957][ T1416] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.516215][ T1416] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.516657][ T1416] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.517029][ T1416] do_set_master (net/core/rtnetlink.c:2948) 
[ 168.517363][ T1416] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.517683][ T1416] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.518006][ T1416] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.518331][ T1416] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.518651][ T1416] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.518965][ T1416] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.519300][ T1416] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.519630][ T1416] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.519954][ T1416] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.520293][ T1416] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.520616][ T1416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.520956][ T1416] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.521287][ T1416] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.521609][ T1416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.521937][ T1416] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.522281][ T1416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.522609][ T1416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.522934][ T1416] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.523258][ T1416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.523580][ T1416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.523913][ T1416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.524241][ T1416] ? 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) 
[ 168.524560][ T1416] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 168.524884][ T1416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.525210][ T1416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.525537][ T1416] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.525861][ T1416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.526188][ T1416] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.526516][ T1416] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.526846][ T1416] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.527160][ T1416] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.527559][ T1416] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.527895][ T1416] ___sys_sendmsg (net/socket.c:2670) 
[ 168.528221][ T1416] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.528536][ T1416] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.528860][ T1416] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.529195][ T1416] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.529600][ T1416] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.529919][ T1416] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.530246][ T1416] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.530579][ T1416] __sys_sendmsg (net/socket.c:2700) 
[ 168.530895][ T1416] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.531223][ T1416] ? 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) 
[ 168.531554][ T1416] ? 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) 
[ 168.531877][ T1416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.532210][ T1416] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.532529][ T1416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.532927][ T1416] RIP: 0033:0x7f24a9f111e7
[ 168.533260][ T1416] 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)
[  168.534403][ T1416] RSP: 002b:00007ffc5f654a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.534888][ T1416] RAX: ffffffffffffffda RBX: 00007ffc5f655190 RCX: 00007f24a9f111e7
[  168.535369][ T1416] RDX: 0000000000000000 RSI: 00007ffc5f654ad0 RDI: 0000000000000005
[  168.535845][ T1416] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.536327][ T1416] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc5f6551c8
[  168.536811][ T1416] R13: 00000000686e18fa R14: 0000000000499600 R15: 0000000000000000
| [  168.681287][ T1418] ------------[ cut here ]------------
| [ 168.681609][ T1418] WARNING: CPU: 3 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) 
| [  168.682352][ T1418] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.683554][ T1418] Tainted: [W]=WARN
[  168.683795][ T1418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.684197][ 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) 
[ 168.684533][ T1418] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  168.685673][ T1418] RSP: 0018:ffffc900012a7080 EFLAGS: 00010246
[  168.686080][ T1418] RAX: 0000000000000000 RBX: ffff88800b27a000 RCX: 0000000000000001
[  168.686559][ T1418] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  168.687040][ T1418] RBP: ffffc900012a7168 R08: 0000000000000000 R09: 0000000000000000
[  168.687526][ T1418] R10: ffffc900012a7198 R11: ffffffff87ea8918 R12: 1ffff92000254e14
[  168.688007][ T1418] R13: 00000000000005dc R14: ffffc900012a7198 R15: ffff88800b27af08
[  168.688494][ T1418] FS:  00007f712f85b800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  168.689065][ T1418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.689493][ T1418] CR2: 00000000004a1738 CR3: 0000000004f13004 CR4: 0000000000772ef0
[  168.689977][ T1418] PKRU: 55555554
[  168.690233][ T1418] Call Trace:
[  168.690484][ T1418]  <TASK>
[ 168.690654][ T1418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.690981][ T1418] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.691330][ T1418] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.691731][ T1418] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.692066][ T1418] netif_set_mtu (net/core/dev.c:9652) 
[ 168.692390][ T1418] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.692730][ T1418] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.693187][ T1418] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.693437][ T1418] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.693877][ T1418] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.694257][ T1418] do_set_master (net/core/rtnetlink.c:2948) 
[ 168.694580][ T1418] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.694904][ T1418] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.695240][ T1418] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.695561][ T1418] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.695879][ T1418] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.696205][ T1418] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.696534][ T1418] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.696852][ T1418] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.697187][ T1418] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.697522][ T1418] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.697858][ T1418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.698197][ T1418] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.698516][ T1418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.698838][ T1418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.699166][ T1418] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.699498][ T1418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.699821][ T1418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.700152][ T1418] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.700471][ T1418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.700800][ T1418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.701133][ T1418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.701449][ 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) 
[ 168.701764][ T1418] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 168.702088][ T1418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.702404][ T1418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.702734][ T1418] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.703065][ T1418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.703385][ T1418] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.703713][ T1418] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.704032][ T1418] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.704351][ T1418] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.704753][ T1418] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.705203][ T1418] ___sys_sendmsg (net/socket.c:2670) 
[ 168.705528][ T1418] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.705841][ T1418] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.706165][ T1418] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.706482][ T1418] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.706814][ T1418] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.707153][ T1418] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.707469][ T1418] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.707799][ T1418] __sys_sendmsg (net/socket.c:2700) 
[ 168.708121][ T1418] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.708431][ 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) 
[ 168.708757][ 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) 
[ 168.709084][ T1418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.709417][ T1418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.709749][ T1418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.710377][ T1418] RIP: 0033:0x7f712fa281e7
[ 168.710699][ 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)
[  168.712063][ T1418] RSP: 002b:00007ffe92802f98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.712534][ T1418] RAX: ffffffffffffffda RBX: 00007ffe928036c0 RCX: 00007f712fa281e7
[  168.713015][ T1418] RDX: 0000000000000000 RSI: 00007ffe92803000 RDI: 0000000000000005
[  168.713487][ T1418] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.713966][ T1418] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe928036f8
[  168.714465][ T1418] R13: 00000000686e18fa R14: 0000000000499600 R15: 0000000000000000
| [  428.946282][T18026] ------------[ cut here ]------------
| [428.946730][T18026] WARNING: CPU: 0 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) 
| [  428.947842][T18026] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  428.950613][T18026] Tainted: [W]=WARN
[  428.950937][T18026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[428.951634][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) 
[ 428.952233][T18026] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  428.954257][T18026] RSP: 0018:ffffc9000ba87080 EFLAGS: 00010246
[  428.954980][T18026] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  428.955850][T18026] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  428.956601][T18026] RBP: ffffc9000ba87168 R08: 0000000000000000 R09: 0000000000000000
[  428.957396][T18026] R10: ffffc9000ba87198 R11: ffffffff87ea8918 R12: 1ffff92001750e14
[  428.958269][T18026] R13: 00000000000005dc R14: ffffc9000ba87198 R15: ffff88801a8f2f08
[  428.959133][T18026] FS:  00007f0d24f2f800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  428.960128][T18026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  428.960830][T18026] CR2: 0000000000406141 CR3: 000000001b593006 CR4: 0000000000772ef0
[  428.961695][T18026] PKRU: 55555554
[  428.962129][T18026] Call Trace:
[  428.962557][T18026]  <TASK>
[428.962852][T18026] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[428.963464][T18026] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[428.964035][T18026] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[428.964766][T18026] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[428.965368][T18026] netif_set_mtu (net/core/dev.c:9652) 
[428.965952][T18026] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[428.966570][T18026] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[428.967224][T18026] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[428.967644][T18026] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[428.968439][T18026] br_add_if (net/bridge/br_if.c:697) bridge 
[428.968992][T18026] do_set_master (net/core/rtnetlink.c:2948) 
[428.969541][T18026] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[428.970148][T18026] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[428.970732][T18026] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[428.971314][T18026] ? __dev_get_by_name (net/core/dev.c:865) 
[428.971895][T18026] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[428.972486][T18026] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[428.973082][T18026] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[428.973652][T18026] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[428.974255][T18026] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[428.974853][T18026] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[428.975455][T18026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.976070][T18026] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[428.976641][T18026] ? __lock_release (kernel/locking/lockdep.c:5539) 
[428.977229][T18026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.977811][T18026] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[428.978405][T18026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.978991][T18026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.979588][T18026] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[428.980094][T18026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.980442][T18026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[428.980785][T18026] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[428.981123][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) 
[428.981472][T18026] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[428.981810][T18026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[428.982149][T18026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.982487][T18026] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[428.982822][T18026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[428.983164][T18026] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[428.983509][T18026] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[428.983850][T18026] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[428.984191][T18026] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[428.984609][T18026] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[428.984947][T18026] ___sys_sendmsg (net/socket.c:2670) 
[428.985290][T18026] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[428.985625][T18026] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[428.985959][T18026] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[428.986297][T18026] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[428.986638][T18026] ? __handle_mm_fault (mm/memory.c:6212) 
[428.987000][T18026] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[428.987344][T18026] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[428.987696][T18026] __sys_sendmsg (net/socket.c:2700) 
[428.988028][T18026] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[428.988628][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) 
[428.988987][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) 
[428.989354][T18026] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[428.989711][T18026] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[428.990084][T18026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  428.990525][T18026] RIP: 0033:0x7f0d250fc1e7
[ 428.990878][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)
[  428.992114][T18026] RSP: 002b:00007ffd88b29dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  428.992642][T18026] RAX: ffffffffffffffda RBX: 00007ffd88b2a4f0 RCX: 00007f0d250fc1e7
[  428.993173][T18026] RDX: 0000000000000000 RSI: 00007ffd88b29e30 RDI: 0000000000000005
[  428.993683][T18026] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  428.994443][T18026] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd88b2a528
[  428.995457][T18026] R13: 00000000686e19fe R14: 0000000000499600 R15: 0000000000000000
| [  429.155184][T18029] ------------[ cut here ]------------
| [429.155804][T18029] WARNING: CPU: 2 PID: 18029 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) 
| [  429.156984][T18029] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  429.159125][T18029] Tainted: [W]=WARN
[  429.159592][T18029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[429.160354][T18029] 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) 
[ 429.160977][T18029] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  429.163131][T18029] RSP: 0018:ffffc9000ba87080 EFLAGS: 00010246
[  429.163892][T18029] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  429.164802][T18029] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  429.165707][T18029] RBP: ffffc9000ba87168 R08: 0000000000000000 R09: 0000000000000000
[  429.166610][T18029] R10: ffffc9000ba87198 R11: ffffffff87ea8918 R12: 1ffff92001750e14
[  429.167466][T18029] R13: 00000000000005dc R14: ffffc9000ba87198 R15: ffff88801a8f2f08
[  429.168195][T18029] FS:  00007f060a008800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  429.169140][T18029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  429.169645][T18029] CR2: 00000000004a1738 CR3: 00000000050f7005 CR4: 0000000000772ef0
[  429.170314][T18029] PKRU: 55555554
[  429.170752][T18029] Call Trace:
[  429.171223][T18029]  <TASK>
[429.171549][T18029] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[429.172178][T18029] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[429.172727][T18029] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[429.173459][T18029] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[429.174078][T18029] netif_set_mtu (net/core/dev.c:9652) 
[429.174642][T18029] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[429.175022][T18029] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[429.175597][T18029] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[429.176001][T18029] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[429.176500][T18029] br_add_if (net/bridge/br_if.c:697) bridge 
[429.176907][T18029] do_set_master (net/core/rtnetlink.c:2948) 
[429.177272][T18029] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[429.177800][T18029] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[429.178291][T18029] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[429.178642][T18029] ? __dev_get_by_name (net/core/dev.c:865) 
[429.179250][T18029] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.179792][T18029] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.180225][T18029] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[429.180623][T18029] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.181104][T18029] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[429.181550][T18029] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[429.182016][T18029] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.182510][T18029] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[429.182948][T18029] ? __lock_release (kernel/locking/lockdep.c:5539) 
[429.183576][T18029] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.184044][T18029] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[429.184617][T18029] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.185241][T18029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.185856][T18029] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[429.186471][T18029] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.187089][T18029] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[429.187715][T18029] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[429.188322][T18029] ? 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) 
[429.188933][T18029] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[429.189544][T18029] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[429.190091][T18029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.190625][T18029] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[429.191175][T18029] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[429.191772][T18029] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[429.192402][T18029] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[429.193009][T18029] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[429.193504][T18029] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[429.194030][T18029] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[429.194527][T18029] ___sys_sendmsg (net/socket.c:2670) 
[429.194989][T18029] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[429.195347][T18029] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[429.195697][T18029] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.196297][T18029] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[429.196799][T18029] ? __handle_mm_fault (mm/memory.c:6212) 
[429.197234][T18029] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[429.197674][T18029] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[429.198139][T18029] __sys_sendmsg (net/socket.c:2700) 
[429.198662][T18029] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[429.199242][T18029] ? 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) 
[429.199780][T18029] ? 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) 
[429.200664][T18029] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[429.201163][T18029] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[429.201575][T18029] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  429.202198][T18029] RIP: 0033:0x7f060a1d51e7
[ 429.202561][T18029] 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)
[  429.204875][T18029] RSP: 002b:00007ffdf11e8038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  429.205544][T18029] RAX: ffffffffffffffda RBX: 00007ffdf11e8760 RCX: 00007f060a1d51e7
[  429.206240][T18029] RDX: 0000000000000000 RSI: 00007ffdf11e80a0 RDI: 0000000000000005
[  429.206826][T18029] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  429.207556][T18029] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf11e8798
[  429.208854][T18029] R13: 00000000686e19fe R14: 0000000000499600 R15: 0000000000000000
| [  429.374015][T18030] ------------[ cut here ]------------
| [429.374581][T18030] WARNING: CPU: 3 PID: 18030 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) 
| [  429.375242][T18030] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  429.376466][T18030] Tainted: [W]=WARN
[  429.376724][T18030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[429.377155][T18030] 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) 
[ 429.377502][T18030] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  429.378688][T18030] RSP: 0018:ffffc9000bb57080 EFLAGS: 00010246
[  429.379138][T18030] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  429.379638][T18030] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  429.380168][T18030] RBP: ffffc9000bb57168 R08: 0000000000000000 R09: 0000000000000000
[  429.380668][T18030] R10: ffffc9000bb57198 R11: ffffffff87ea8918 R12: 1ffff9200176ae14
[  429.381180][T18030] R13: 00000000000005dc R14: ffffc9000bb57198 R15: ffff88801a8f2f08
[  429.381694][T18030] FS:  00007f2db5e8f800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  429.382294][T18030] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  429.382731][T18030] CR2: 00000000004a1738 CR3: 00000000050f7001 CR4: 0000000000772ef0
[  429.383248][T18030] PKRU: 55555554
[  429.383518][T18030] Call Trace:
[  429.383781][T18030]  <TASK>
[429.383954][T18030] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[429.384315][T18030] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[429.384670][T18030] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[429.385101][T18030] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[429.385434][T18030] netif_set_mtu (net/core/dev.c:9652) 
[429.385768][T18030] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[429.386118][T18030] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[429.386582][T18030] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[429.386853][T18030] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[429.387316][T18030] br_add_if (net/bridge/br_if.c:697) bridge 
[429.387716][T18030] do_set_master (net/core/rtnetlink.c:2948) 
[429.388056][T18030] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[429.388388][T18030] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[429.388732][T18030] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[429.389070][T18030] ? __dev_get_by_name (net/core/dev.c:865) 
[429.389403][T18030] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.389751][T18030] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.390115][T18030] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[429.390441][T18030] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.390781][T18030] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[429.391135][T18030] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[429.391472][T18030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.391831][T18030] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[429.392165][T18030] ? __lock_release (kernel/locking/lockdep.c:5539) 
[429.392499][T18030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.392839][T18030] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[429.393194][T18030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.393528][T18030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.393887][T18030] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[429.394242][T18030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.394585][T18030] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[429.394953][T18030] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[429.395302][T18030] ? 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) 
[429.395646][T18030] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[429.395998][T18030] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[429.396331][T18030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.396680][T18030] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[429.397056][T18030] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[429.397388][T18030] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[429.397727][T18030] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[429.398083][T18030] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[429.398414][T18030] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[429.398830][T18030] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[429.399190][T18030] ___sys_sendmsg (net/socket.c:2670) 
[429.399530][T18030] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[429.399871][T18030] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[429.400230][T18030] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.400559][T18030] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[429.400893][T18030] ? __handle_mm_fault (mm/memory.c:6212) 
[429.401260][T18030] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[429.401596][T18030] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[429.401950][T18030] __sys_sendmsg (net/socket.c:2700) 
[429.402311][T18030] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[429.402672][T18030] ? 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) 
[429.403015][T18030] ? 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) 
[429.403378][T18030] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[429.403717][T18030] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[429.404083][T18030] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  429.404522][T18030] RIP: 0033:0x7f2db605c1e7
[ 429.404870][T18030] 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)
[  429.406112][T18030] RSP: 002b:00007ffcc4055708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  429.406646][T18030] RAX: ffffffffffffffda RBX: 00007ffcc4055e30 RCX: 00007f2db605c1e7
[  429.407158][T18030] RDX: 0000000000000000 RSI: 00007ffcc4055770 RDI: 0000000000000005
[  429.407667][T18030] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  429.408421][T18030] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc4055e68
[  429.408929][T18030] R13: 00000000686e19ff R14: 0000000000499600 R15: 0000000000000000
| [  429.546390][T18032] ------------[ cut here ]------------
| [429.546718][T18032] WARNING: CPU: 0 PID: 18032 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) 
| [  429.547393][T18032] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  429.548578][T18032] Tainted: [W]=WARN
[  429.548831][T18032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[429.549248][T18032] 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) 
[ 429.549597][T18032] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  429.550780][T18032] RSP: 0018:ffffc9000be07080 EFLAGS: 00010246
[  429.551210][T18032] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  429.551709][T18032] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  429.552219][T18032] RBP: ffffc9000be07168 R08: 0000000000000000 R09: 0000000000000000
[  429.552713][T18032] R10: ffffc9000be07198 R11: ffffffff87ea8918 R12: 1ffff920017c0e14
[  429.553209][T18032] R13: 00000000000005dc R14: ffffc9000be07198 R15: ffff88801a8f2f08
[  429.553703][T18032] FS:  00007f709d884800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  429.554293][T18032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  429.554706][T18032] CR2: 00000000004a1738 CR3: 000000000fd91005 CR4: 0000000000772ef0
[  429.555211][T18032] PKRU: 55555554
[  429.555460][T18032] Call Trace:
[  429.555707][T18032]  <TASK>
[429.555877][T18032] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[429.556228][T18032] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[429.556567][T18032] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[429.556979][T18032] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[429.557318][T18032] netif_set_mtu (net/core/dev.c:9652) 
[429.557649][T18032] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[429.557989][T18032] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[429.558497][T18032] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[429.558748][T18032] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[429.559205][T18032] br_add_if (net/bridge/br_if.c:697) bridge 
[429.559583][T18032] do_set_master (net/core/rtnetlink.c:2948) 
[429.559935][T18032] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[429.560279][T18032] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[429.560614][T18032] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[429.560947][T18032] ? __dev_get_by_name (net/core/dev.c:865) 
[429.561287][T18032] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.561617][T18032] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.561953][T18032] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[429.562291][T18032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.562627][T18032] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[429.562967][T18032] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[429.563319][T18032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.563663][T18032] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[429.564002][T18032] ? __lock_release (kernel/locking/lockdep.c:5539) 
[429.564339][T18032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.564678][T18032] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[429.565023][T18032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.565368][T18032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.565710][T18032] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[429.566043][T18032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.566382][T18032] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[429.566723][T18032] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[429.567060][T18032] ? 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) 
[429.567396][T18032] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[429.567730][T18032] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[429.568076][T18032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.568412][T18032] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[429.568749][T18032] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[429.569087][T18032] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[429.569426][T18032] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[429.569770][T18032] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[429.570111][T18032] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[429.570536][T18032] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[429.570875][T18032] ___sys_sendmsg (net/socket.c:2670) 
[429.571217][T18032] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[429.571555][T18032] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[429.571889][T18032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.572224][T18032] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[429.572564][T18032] ? __handle_mm_fault (mm/memory.c:6212) 
[429.572898][T18032] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[429.573234][T18032] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[429.573582][T18032] __sys_sendmsg (net/socket.c:2700) 
[429.573911][T18032] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[429.574244][T18032] ? 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) 
[429.574583][T18032] ? 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) 
[429.574928][T18032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[429.575273][T18032] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[429.575602][T18032] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  429.576013][T18032] RIP: 0033:0x7f709da511e7
[ 429.576369][T18032] Code: Unable to access opcode bytes at 0x7f709da511bd.

Code starting with the faulting instruction
===========================================
[  429.576794][T18032] RSP: 002b:00007ffe1940f058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  429.577304][T18032] RAX: ffffffffffffffda RBX: 00007ffe1940f780 RCX: 00007f709da511e7
[  429.577802][T18032] RDX: 0000000000000000 RSI: 00007ffe1940f0c0 RDI: 0000000000000005
[  429.578308][T18032] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  429.578801][T18032] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe1940f7b8
[  429.579295][T18032] R13: 00000000686e19ff R14: 0000000000499600 R15: 0000000000000000
| [  429.758489][T18034] ------------[ cut here ]------------
| [429.758820][T18034] WARNING: CPU: 3 PID: 18034 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) 
| [  429.759491][T18034] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  429.760746][T18034] Tainted: [W]=WARN
[  429.760995][T18034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[429.761412][T18034] 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) 
[ 429.761757][T18034] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  429.762952][T18034] RSP: 0018:ffffc9000bb57080 EFLAGS: 00010246
[  429.763381][T18034] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  429.763875][T18034] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  429.764372][T18034] RBP: ffffc9000bb57168 R08: 0000000000000000 R09: 0000000000000000
[  429.764870][T18034] R10: ffffc9000bb57198 R11: ffffffff87ea8918 R12: 1ffff9200176ae14
[  429.765378][T18034] R13: 00000000000005dc R14: ffffc9000bb57198 R15: ffff88801a8f2f08
[  429.765882][T18034] FS:  00007f9a7bea0800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  429.766483][T18034] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  429.766906][T18034] CR2: 00000000004a1738 CR3: 000000000fd91006 CR4: 0000000000772ef0
[  429.767413][T18034] PKRU: 55555554
[  429.767664][T18034] Call Trace:
[  429.767911][T18034]  <TASK>
[429.768084][T18034] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[429.768431][T18034] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[429.768801][T18034] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[429.769232][T18034] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[429.769569][T18034] netif_set_mtu (net/core/dev.c:9652) 
[429.769922][T18034] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[429.770272][T18034] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[429.770738][T18034] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[429.770985][T18034] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[429.771448][T18034] br_add_if (net/bridge/br_if.c:697) bridge 
[429.771836][T18034] do_set_master (net/core/rtnetlink.c:2948) 
[429.772172][T18034] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[429.772538][T18034] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[429.772875][T18034] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[429.773217][T18034] ? __dev_get_by_name (net/core/dev.c:865) 
[429.773548][T18034] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.773878][T18034] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.774228][T18034] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[429.774555][T18034] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.774890][T18034] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[429.775240][T18034] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[429.775575][T18034] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.775918][T18034] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[429.776251][T18034] ? __lock_release (kernel/locking/lockdep.c:5539) 
[429.776624][T18034] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.776954][T18034] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[429.777296][T18034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.777634][T18034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.777973][T18034] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[429.778306][T18034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.778637][T18034] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[429.778986][T18034] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[429.779322][T18034] ? 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) 
[429.779654][T18034] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[429.780013][T18034] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[429.780349][T18034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.780687][T18034] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[429.781022][T18034] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[429.781368][T18034] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[429.781709][T18034] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[429.782043][T18034] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[429.782382][T18034] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[429.782794][T18034] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[429.783140][T18034] ___sys_sendmsg (net/socket.c:2670) 
[429.783471][T18034] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[429.783800][T18034] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[429.784145][T18034] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.784473][T18034] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[429.784808][T18034] ? __handle_mm_fault (mm/memory.c:6212) 
[429.785380][T18034] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[429.785708][T18034] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[429.786063][T18034] __sys_sendmsg (net/socket.c:2700) 
[429.786399][T18034] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[429.786726][T18034] ? 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) 
[429.787076][T18034] ? 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) 
[429.787410][T18034] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[429.787742][T18034] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[429.788075][T18034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  429.788482][T18034] RIP: 0033:0x7f9a7c06d1e7
[ 429.788825][T18034] 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)
[  429.790261][T18034] RSP: 002b:00007ffd25723318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  429.790760][T18034] RAX: ffffffffffffffda RBX: 00007ffd25723a40 RCX: 00007f9a7c06d1e7
[  429.791267][T18034] RDX: 0000000000000000 RSI: 00007ffd25723380 RDI: 0000000000000005
[  429.791755][T18034] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  429.792254][T18034] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd25723a78
[  429.792743][T18034] R13: 00000000686e19ff R14: 0000000000499600 R15: 0000000000000000
| [  429.950308][T18036] ------------[ cut here ]------------
| [429.950640][T18036] WARNING: CPU: 0 PID: 18036 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) 
| [  429.951504][T18036] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  429.952698][T18036] Tainted: [W]=WARN
[  429.952949][T18036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[429.953373][T18036] 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) 
[ 429.953712][T18036] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  429.954899][T18036] RSP: 0018:ffffc9000bb57080 EFLAGS: 00010246
[  429.955325][T18036] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  429.955822][T18036] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  429.956324][T18036] RBP: ffffc9000bb57168 R08: 0000000000000000 R09: 0000000000000000
[  429.956814][T18036] R10: ffffc9000bb57198 R11: ffffffff87ea8918 R12: 1ffff9200176ae14
[  429.957316][T18036] R13: 00000000000005dc R14: ffffc9000bb57198 R15: ffff88801a8f2f08
[  429.957814][T18036] FS:  00007f08dde2d800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  429.958402][T18036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  429.958822][T18036] CR2: 00007fb4a9c88a00 CR3: 0000000002837006 CR4: 0000000000772ef0
[  429.959327][T18036] PKRU: 55555554
[  429.959576][T18036] Call Trace:
[  429.959838][T18036]  <TASK>
[429.960012][T18036] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[429.960359][T18036] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[429.960689][T18036] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[429.961107][T18036] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[429.961444][T18036] netif_set_mtu (net/core/dev.c:9652) 
[429.961780][T18036] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[429.962128][T18036] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[429.962595][T18036] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[429.962845][T18036] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[429.963307][T18036] br_add_if (net/bridge/br_if.c:697) bridge 
[429.963687][T18036] do_set_master (net/core/rtnetlink.c:2948) 
[429.964025][T18036] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[429.964367][T18036] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[429.964703][T18036] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[429.965031][T18036] ? __dev_get_by_name (net/core/dev.c:865) 
[429.965371][T18036] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.965708][T18036] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.966056][T18036] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[429.966386][T18036] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.966722][T18036] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[429.967071][T18036] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[429.967411][T18036] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.967759][T18036] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[429.968099][T18036] ? __lock_release (kernel/locking/lockdep.c:5539) 
[429.968433][T18036] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.968763][T18036] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[429.969112][T18036] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.969447][T18036] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.969799][T18036] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[429.970141][T18036] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.970475][T18036] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[429.970820][T18036] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[429.971160][T18036] ? 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) 
[429.971485][T18036] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[429.971829][T18036] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[429.972187][T18036] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.972533][T18036] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[429.972868][T18036] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[429.973210][T18036] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[429.973548][T18036] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[429.973885][T18036] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[429.974226][T18036] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[429.974645][T18036] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[429.974982][T18036] ___sys_sendmsg (net/socket.c:2670) 
[429.975323][T18036] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[429.975657][T18036] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[429.975994][T18036] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.976331][T18036] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[429.976672][T18036] ? __handle_mm_fault (mm/memory.c:6212) 
[429.977001][T18036] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[429.977341][T18036] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[429.977697][T18036] __sys_sendmsg (net/socket.c:2700) 
[429.978031][T18036] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[429.978368][T18036] ? 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) 
[429.978710][T18036] ? 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) 
[429.979056][T18036] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[429.979391][T18036] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[429.979727][T18036] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  429.980161][T18036] RIP: 0033:0x7f08ddffa1e7
[ 429.980506][T18036] 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)
[  429.981709][T18036] RSP: 002b:00007fff6629b118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  429.982220][T18036] RAX: ffffffffffffffda RBX: 00007fff6629b840 RCX: 00007f08ddffa1e7
[  429.982719][T18036] RDX: 0000000000000000 RSI: 00007fff6629b180 RDI: 0000000000000005
[  429.983227][T18036] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  429.983728][T18036] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff6629b878
[  429.984236][T18036] R13: 00000000686e19ff R14: 0000000000499600 R15: 0000000000000000
| [  430.128519][T18039] ------------[ cut here ]------------
| [430.128849][T18039] WARNING: CPU: 3 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) 
| [  430.130291][T18039] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  430.131516][T18039] Tainted: [W]=WARN
[  430.131770][T18039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[430.132200][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) 
[ 430.132545][T18039] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  430.133725][T18039] RSP: 0018:ffffc9000be07080 EFLAGS: 00010246
[  430.134158][T18039] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  430.134656][T18039] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  430.135173][T18039] RBP: ffffc9000be07168 R08: 0000000000000000 R09: 0000000000000000
[  430.135666][T18039] R10: ffffc9000be07198 R11: ffffffff87ea8918 R12: 1ffff920017c0e14
[  430.136167][T18039] R13: 00000000000005dc R14: ffffc9000be07198 R15: ffff88801a8f2f08
[  430.136662][T18039] FS:  00007ff7621fc800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  430.137248][T18039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.137670][T18039] CR2: 00000000004a1738 CR3: 0000000019bd6004 CR4: 0000000000772ef0
[  430.138172][T18039] PKRU: 55555554
[  430.138417][T18039] Call Trace:
[  430.138667][T18039]  <TASK>
[430.138831][T18039] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[430.139174][T18039] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[430.139535][T18039] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[430.139982][T18039] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[430.140334][T18039] netif_set_mtu (net/core/dev.c:9652) 
[430.140678][T18039] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[430.141031][T18039] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[430.141515][T18039] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[430.141768][T18039] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[430.142234][T18039] br_add_if (net/bridge/br_if.c:697) bridge 
[430.142627][T18039] do_set_master (net/core/rtnetlink.c:2948) 
[430.142962][T18039] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[430.143310][T18039] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[430.143646][T18039] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[430.143972][T18039] ? __dev_get_by_name (net/core/dev.c:865) 
[430.144314][T18039] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.144645][T18039] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.144985][T18039] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[430.145321][T18039] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.145667][T18039] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[430.146009][T18039] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[430.146356][T18039] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.146700][T18039] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[430.147035][T18039] ? __lock_release (kernel/locking/lockdep.c:5539) 
[430.147378][T18039] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.147711][T18039] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[430.148045][T18039] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.148396][T18039] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.148733][T18039] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[430.149070][T18039] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.149412][T18039] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[430.149773][T18039] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[430.150126][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) 
[430.150462][T18039] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[430.150798][T18039] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[430.151141][T18039] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.151479][T18039] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[430.151814][T18039] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[430.152162][T18039] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[430.152506][T18039] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[430.152842][T18039] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[430.153180][T18039] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[430.153602][T18039] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[430.153939][T18039] ___sys_sendmsg (net/socket.c:2670) 
[430.154286][T18039] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[430.154624][T18039] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[430.154969][T18039] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.155324][T18039] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[430.155683][T18039] ? __handle_mm_fault (mm/memory.c:6212) 
[430.156028][T18039] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[430.156382][T18039] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[430.156745][T18039] __sys_sendmsg (net/socket.c:2700) 
[430.157094][T18039] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[430.157431][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) 
[430.157783][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) 
[430.158135][T18039] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[430.158477][T18039] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[430.158812][T18039] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  430.159266][T18039] RIP: 0033:0x7ff7623c91e7
[ 430.159605][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)
[  430.160822][T18039] RSP: 002b:00007ffc606eda88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  430.161353][T18039] RAX: ffffffffffffffda RBX: 00007ffc606ee1b0 RCX: 00007ff7623c91e7
[  430.161859][T18039] RDX: 0000000000000000 RSI: 00007ffc606edaf0 RDI: 0000000000000005
[  430.162364][T18039] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  430.162870][T18039] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc606ee1e8
[  430.163399][T18039] R13: 00000000686e19ff R14: 0000000000499600 R15: 0000000000000000
| [  430.317613][T18041] ------------[ cut here ]------------
| [430.317966][T18041] WARNING: CPU: 2 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) 
| [  430.318668][T18041] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  430.319972][T18041] Tainted: [W]=WARN
[  430.320263][T18041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[430.320708][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) 
[ 430.321078][T18041] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  430.322291][T18041] RSP: 0018:ffffc90004a57080 EFLAGS: 00010246
[  430.322736][T18041] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  430.323260][T18041] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  430.323775][T18041] RBP: ffffc90004a57168 R08: 0000000000000000 R09: 0000000000000000
[  430.324303][T18041] R10: ffffc90004a57198 R11: ffffffff87ea8918 R12: 1ffff9200094ae14
[  430.324814][T18041] R13: 00000000000005dc R14: ffffc90004a57198 R15: ffff88801a8f2f08
[  430.325332][T18041] FS:  00007f372a7d7800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  430.325930][T18041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.326371][T18041] CR2: 00000000004a1738 CR3: 0000000019bd6002 CR4: 0000000000772ef0
[  430.326884][T18041] PKRU: 55555554
[  430.327166][T18041] Call Trace:
[  430.327429][T18041]  <TASK>
[430.327615][T18041] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[430.327966][T18041] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[430.328326][T18041] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[430.328752][T18041] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[430.329113][T18041] netif_set_mtu (net/core/dev.c:9652) 
[430.329456][T18041] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[430.329827][T18041] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[430.330331][T18041] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[430.330605][T18041] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[430.331082][T18041] br_add_if (net/bridge/br_if.c:697) bridge 
[430.331473][T18041] do_set_master (net/core/rtnetlink.c:2948) 
[430.331821][T18041] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[430.332181][T18041] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[430.332544][T18041] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[430.332888][T18041] ? __dev_get_by_name (net/core/dev.c:865) 
[430.333241][T18041] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.333582][T18041] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.333932][T18041] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[430.334279][T18041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.334638][T18041] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[430.334993][T18041] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[430.335381][T18041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.335741][T18041] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[430.336093][T18041] ? __lock_release (kernel/locking/lockdep.c:5539) 
[430.336445][T18041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.336792][T18041] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[430.337153][T18041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.337502][T18041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.337857][T18041] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[430.338210][T18041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.338556][T18041] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[430.338908][T18041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[430.339272][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) 
[430.339619][T18041] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[430.339998][T18041] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[430.340363][T18041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.340724][T18041] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[430.341082][T18041] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[430.341439][T18041] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[430.341791][T18041] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[430.342155][T18041] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[430.342503][T18041] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[430.342938][T18041] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[430.343311][T18041] ___sys_sendmsg (net/socket.c:2670) 
[430.343671][T18041] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[430.344028][T18041] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[430.344387][T18041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.344733][T18041] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[430.345100][T18041] ? __handle_mm_fault (mm/memory.c:6212) 
[430.345446][T18041] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[430.345792][T18041] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[430.346168][T18041] __sys_sendmsg (net/socket.c:2700) 
[430.346514][T18041] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[430.346852][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) 
[430.347215][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) 
[430.347563][T18041] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[430.347912][T18041] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[430.348266][T18041] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  430.348696][T18041] RIP: 0033:0x7f372a9a41e7
[ 430.349064][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)
[  430.350283][T18041] RSP: 002b:00007ffe9010de08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  430.350798][T18041] RAX: ffffffffffffffda RBX: 00007ffe9010e530 RCX: 00007f372a9a41e7
[  430.351321][T18041] RDX: 0000000000000000 RSI: 00007ffe9010de70 RDI: 0000000000000005
[  430.351830][T18041] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  430.352340][T18041] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9010e568
[  430.352862][T18041] R13: 00000000686e1a00 R14: 0000000000499600 R15: 0000000000000000
| [  430.489955][T18044] ------------[ cut here ]------------
| [430.490340][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) 
| [  430.491029][T18044] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  430.492255][T18044] Tainted: [W]=WARN
[  430.492518][T18044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[430.492955][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) 
[ 430.493320][T18044] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  430.494527][T18044] RSP: 0018:ffffc900049b7080 EFLAGS: 00010246
[  430.494973][T18044] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  430.495484][T18044] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  430.496013][T18044] RBP: ffffc900049b7168 R08: 0000000000000000 R09: 0000000000000000
[  430.496530][T18044] R10: ffffc900049b7198 R11: ffffffff87ea8918 R12: 1ffff92000936e14
[  430.497040][T18044] R13: 00000000000005dc R14: ffffc900049b7198 R15: ffff88801a8f2f08
[  430.497571][T18044] FS:  00007fce46049800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  430.498171][T18044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.498600][T18044] CR2: 00000000004a1738 CR3: 000000000b209004 CR4: 0000000000772ef0
[  430.499115][T18044] PKRU: 55555554
[  430.499376][T18044] Call Trace:
[  430.499637][T18044]  <TASK>
[430.499837][T18044] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[430.500196][T18044] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[430.500540][T18044] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[430.500962][T18044] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[430.501318][T18044] netif_set_mtu (net/core/dev.c:9652) 
[430.501661][T18044] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[430.502014][T18044] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[430.502517][T18044] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[430.502785][T18044] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[430.503257][T18044] br_add_if (net/bridge/br_if.c:697) bridge 
[430.503656][T18044] do_set_master (net/core/rtnetlink.c:2948) 
[430.504000][T18044] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[430.504357][T18044] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[430.504704][T18044] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[430.505060][T18044] ? __dev_get_by_name (net/core/dev.c:865) 
[430.505405][T18044] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.505746][T18044] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.506103][T18044] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[430.506443][T18044] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.506791][T18044] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[430.507152][T18044] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[430.507502][T18044] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.507860][T18044] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[430.508209][T18044] ? __lock_release (kernel/locking/lockdep.c:5539) 
[430.508553][T18044] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.508896][T18044] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[430.509249][T18044] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.509601][T18044] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.509967][T18044] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[430.510341][T18044] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.510697][T18044] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[430.511066][T18044] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[430.511401][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) 
[430.511747][T18044] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[430.512102][T18044] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[430.512447][T18044] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.512803][T18044] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[430.513173][T18044] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[430.513522][T18044] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[430.513875][T18044] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[430.514232][T18044] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[430.514573][T18044] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[430.515001][T18044] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[430.515368][T18044] ___sys_sendmsg (net/socket.c:2670) 
[430.515717][T18044] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[430.516072][T18044] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[430.516432][T18044] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.516778][T18044] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[430.517140][T18044] ? __handle_mm_fault (mm/memory.c:6212) 
[430.517488][T18044] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[430.517834][T18044] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[430.518206][T18044] __sys_sendmsg (net/socket.c:2700) 
[430.518550][T18044] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[430.518896][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) 
[430.519263][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) 
[430.519614][T18044] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[430.519972][T18044] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[430.520331][T18044] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  430.520757][T18044] RIP: 0033:0x7fce462161e7
[ 430.521121][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)
[  430.522332][T18044] RSP: 002b:00007ffd55097198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  430.522848][T18044] RAX: ffffffffffffffda RBX: 00007ffd550978c0 RCX: 00007fce462161e7
[  430.523363][T18044] RDX: 0000000000000000 RSI: 00007ffd55097200 RDI: 0000000000000005
[  430.523878][T18044] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  430.524409][T18044] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd550978f8
[  430.524923][T18044] R13: 00000000686e1a00 R14: 0000000000499600 R15: 0000000000000000
| [  430.652986][T18045] ------------[ cut here ]------------
| [430.653386][T18045] WARNING: CPU: 2 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) 
| [  430.654067][T18045] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  430.655302][T18045] Tainted: [W]=WARN
[  430.655581][T18045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[430.656015][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) 
[ 430.656382][T18045] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  430.657576][T18045] RSP: 0018:ffffc9000bb57080 EFLAGS: 00010246
[  430.658018][T18045] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  430.658752][T18045] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  430.659452][T18045] RBP: ffffc9000bb57168 R08: 0000000000000000 R09: 0000000000000000
[  430.660110][T18045] R10: ffffc9000bb57198 R11: ffffffff87ea8918 R12: 1ffff9200176ae14
[  430.660713][T18045] R13: 00000000000005dc R14: ffffc9000bb57198 R15: ffff88801a8f2f08
[  430.661208][T18045] FS:  00007f82ee02a800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  430.661768][T18045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.662189][T18045] CR2: 00000000004a1738 CR3: 000000000b209006 CR4: 0000000000772ef0
[  430.662675][T18045] PKRU: 55555554
[  430.662925][T18045] Call Trace:
[  430.663186][T18045]  <TASK>
[430.663365][T18045] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[430.663704][T18045] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[430.664034][T18045] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[430.664456][T18045] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[430.664802][T18045] netif_set_mtu (net/core/dev.c:9652) 
[430.665155][T18045] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[430.665493][T18045] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[430.666000][T18045] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[430.666274][T18045] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[430.666743][T18045] br_add_if (net/bridge/br_if.c:697) bridge 
[430.667153][T18045] do_set_master (net/core/rtnetlink.c:2948) 
[430.667507][T18045] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[430.667851][T18045] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[430.668203][T18045] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[430.668547][T18045] ? __dev_get_by_name (net/core/dev.c:865) 
[430.668922][T18045] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.669280][T18045] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.669637][T18045] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[430.669989][T18045] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.670346][T18045] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[430.670707][T18045] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[430.671066][T18045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.671422][T18045] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[430.671758][T18045] ? __lock_release (kernel/locking/lockdep.c:5539) 
[430.672108][T18045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.672449][T18045] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[430.672799][T18045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.673167][T18045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.673519][T18045] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[430.673867][T18045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.674233][T18045] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[430.674592][T18045] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[430.674937][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) 
[430.675294][T18045] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[430.675643][T18045] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[430.675987][T18045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.676345][T18045] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[430.676694][T18045] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[430.677056][T18045] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[430.677422][T18045] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[430.677771][T18045] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[430.678133][T18045] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[430.678565][T18045] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[430.678928][T18045] ___sys_sendmsg (net/socket.c:2670) 
[430.679284][T18045] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[430.679630][T18045] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[430.679996][T18045] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.680351][T18045] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[430.680710][T18045] ? __handle_mm_fault (mm/memory.c:6212) 
[430.681061][T18045] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[430.681421][T18045] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[430.681798][T18045] __sys_sendmsg (net/socket.c:2700) 
[430.682161][T18045] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[430.682511][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) 
[430.682872][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) 
[430.683235][T18045] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[430.683590][T18045] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[430.683936][T18045] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  430.684373][T18045] RIP: 0033:0x7f82ee1f71e7
[ 430.684730][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)
[  430.685933][T18045] RSP: 002b:00007ffd55bef2d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  430.686703][T18045] RAX: ffffffffffffffda RBX: 00007ffd55befa00 RCX: 00007f82ee1f71e7
[  430.687226][T18045] RDX: 0000000000000000 RSI: 00007ffd55bef340 RDI: 0000000000000005
[  430.687964][T18045] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  430.688489][T18045] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd55befa38
[  430.688998][T18045] R13: 00000000686e1a00 R14: 0000000000499600 R15: 0000000000000000
| [  430.831350][T18047] ------------[ cut here ]------------
| [430.831681][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) 
| [  430.832368][T18047] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  430.833578][T18047] Tainted: [W]=WARN
[  430.833833][T18047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[430.834252][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) 
[ 430.834600][T18047] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  430.835797][T18047] RSP: 0018:ffffc9000bb57080 EFLAGS: 00010246
[  430.836225][T18047] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  430.836720][T18047] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  430.837226][T18047] RBP: ffffc9000bb57168 R08: 0000000000000000 R09: 0000000000000000
[  430.837719][T18047] R10: ffffc9000bb57198 R11: ffffffff87ea8918 R12: 1ffff9200176ae14
[  430.838222][T18047] R13: 00000000000005dc R14: ffffc9000bb57198 R15: ffff88801a8f2f08
[  430.838723][T18047] FS:  00007f663ff6f800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  430.839320][T18047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.839746][T18047] CR2: 00000000004a1738 CR3: 000000000b209002 CR4: 0000000000772ef0
[  430.840264][T18047] PKRU: 55555554
[  430.840513][T18047] Call Trace:
[  430.840761][T18047]  <TASK>
[430.840935][T18047] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[430.841282][T18047] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[430.841618][T18047] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[430.842031][T18047] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[430.842369][T18047] netif_set_mtu (net/core/dev.c:9652) 
[430.842698][T18047] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[430.843033][T18047] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[430.843502][T18047] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[430.843748][T18047] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[430.844204][T18047] br_add_if (net/bridge/br_if.c:697) bridge 
[430.844576][T18047] do_set_master (net/core/rtnetlink.c:2948) 
[430.844901][T18047] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[430.845252][T18047] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[430.845589][T18047] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[430.845916][T18047] ? __dev_get_by_name (net/core/dev.c:865) 
[430.846262][T18047] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.846595][T18047] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.846932][T18047] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[430.847268][T18047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.847613][T18047] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[430.847954][T18047] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[430.848304][T18047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.848646][T18047] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[430.848969][T18047] ? __lock_release (kernel/locking/lockdep.c:5539) 
[430.849311][T18047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.849646][T18047] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[430.849993][T18047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.850343][T18047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.850683][T18047] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[430.851015][T18047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.851349][T18047] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[430.851696][T18047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[430.852030][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) 
[430.852373][T18047] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[430.852715][T18047] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[430.853060][T18047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.853397][T18047] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[430.853735][T18047] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[430.854073][T18047] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[430.854417][T18047] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[430.854749][T18047] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[430.855080][T18047] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[430.855500][T18047] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[430.855850][T18047] ___sys_sendmsg (net/socket.c:2670) 
[430.856189][T18047] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[430.856520][T18047] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[430.856855][T18047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.857189][T18047] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[430.857526][T18047] ? __handle_mm_fault (mm/memory.c:6212) 
[430.857858][T18047] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[430.858203][T18047] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[430.858553][T18047] __sys_sendmsg (net/socket.c:2700) 
[430.858891][T18047] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[430.859231][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) 
[430.859572][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) 
[430.859938][T18047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[430.860279][T18047] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[430.860617][T18047] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  430.861036][T18047] RIP: 0033:0x7f664013c1e7
[ 430.861388][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)
[  430.862572][T18047] RSP: 002b:00007ffc8de14848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  430.863081][T18047] RAX: ffffffffffffffda RBX: 00007ffc8de14f70 RCX: 00007f664013c1e7
[  430.863589][T18047] RDX: 0000000000000000 RSI: 00007ffc8de148b0 RDI: 0000000000000005
[  430.864094][T18047] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  430.864589][T18047] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8de14fa8
[  430.865088][T18047] R13: 00000000686e1a00 R14: 0000000000499600 R15: 0000000000000000
| [  431.009038][T18050] ------------[ cut here ]------------
| [431.009901][T18050] WARNING: CPU: 0 PID: 18050 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) 
| [  431.010562][T18050] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  431.011737][T18050] Tainted: [W]=WARN
[  431.011985][T18050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[431.012403][T18050] 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) 
[ 431.012739][T18050] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  431.013894][T18050] RSP: 0000:ffffc900049a7080 EFLAGS: 00010246
[  431.014320][T18050] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  431.014806][T18050] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  431.015306][T18050] RBP: ffffc900049a7168 R08: 0000000000000000 R09: 0000000000000000
[  431.015784][T18050] R10: ffffc900049a7198 R11: ffffffff87ea8918 R12: 1ffff92000934e14
[  431.016291][T18050] R13: 00000000000005dc R14: ffffc900049a7198 R15: ffff88801a8f2f08
[  431.016768][T18050] FS:  00007f8e97256800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  431.017336][T18050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  431.017743][T18050] CR2: 00007faaed3b5038 CR3: 0000000009307005 CR4: 0000000000772ef0
[  431.018237][T18050] PKRU: 55555554
[  431.018480][T18050] Call Trace:
[  431.018722][T18050]  <TASK>
[431.018891][T18050] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[431.019229][T18050] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[431.019559][T18050] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[431.019972][T18050] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[431.020313][T18050] netif_set_mtu (net/core/dev.c:9652) 
[431.020643][T18050] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[431.020987][T18050] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[431.021457][T18050] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[431.021710][T18050] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[431.022163][T18050] br_add_if (net/bridge/br_if.c:697) bridge 
[431.022541][T18050] do_set_master (net/core/rtnetlink.c:2948) 
[431.022873][T18050] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[431.023221][T18050] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[431.023549][T18050] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[431.023871][T18050] ? __dev_get_by_name (net/core/dev.c:865) 
[431.024207][T18050] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.024532][T18050] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.024864][T18050] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[431.025197][T18050] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.025535][T18050] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[431.025866][T18050] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[431.026208][T18050] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.026551][T18050] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[431.026872][T18050] ? __lock_release (kernel/locking/lockdep.c:5539) 
[431.027211][T18050] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.027538][T18050] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[431.027880][T18050] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.028216][T18050] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.028551][T18050] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[431.028880][T18050] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.029222][T18050] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[431.029554][T18050] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[431.029890][T18050] ? 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) 
[431.030228][T18050] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[431.030559][T18050] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[431.030888][T18050] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.031245][T18050] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[431.031577][T18050] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[431.031914][T18050] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[431.032254][T18050] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[431.032585][T18050] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[431.032912][T18050] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[431.033329][T18050] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[431.033674][T18050] ___sys_sendmsg (net/socket.c:2670) 
[431.033999][T18050] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[431.034334][T18050] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[431.034667][T18050] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.034996][T18050] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[431.035341][T18050] ? __handle_mm_fault (mm/memory.c:6212) 
[431.035675][T18050] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[431.036006][T18050] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[431.036361][T18050] __sys_sendmsg (net/socket.c:2700) 
[431.036695][T18050] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[431.037023][T18050] ? 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) 
[431.037365][T18050] ? 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) 
[431.037697][T18050] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[431.038044][T18050] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[431.038394][T18050] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  431.038808][T18050] RIP: 0033:0x7f8e974231e7
[ 431.039165][T18050] 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)
[  431.040349][T18050] RSP: 002b:00007ffc42d59bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  431.040843][T18050] RAX: ffffffffffffffda RBX: 00007ffc42d5a2e0 RCX: 00007f8e974231e7
[  431.041357][T18050] RDX: 0000000000000000 RSI: 00007ffc42d59c20 RDI: 0000000000000005
[  431.041848][T18050] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  431.042346][T18050] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc42d5a318
[  431.042837][T18050] R13: 00000000686e1a00 R14: 0000000000499600 R15: 0000000000000000
| [  431.211507][T18051] ------------[ cut here ]------------
| [431.211825][T18051] WARNING: CPU: 0 PID: 18051 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) 
| [  431.212526][T18051] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  431.213683][T18051] Tainted: [W]=WARN
[  431.213922][T18051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[431.214330][T18051] 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) 
[ 431.214662][T18051] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  431.215789][T18051] RSP: 0018:ffffc90004987080 EFLAGS: 00010246
[  431.216196][T18051] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  431.216669][T18051] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  431.217151][T18051] RBP: ffffc90004987168 R08: 0000000000000000 R09: 0000000000000000
[  431.217629][T18051] R10: ffffc90004987198 R11: ffffffff87ea8918 R12: 1ffff92000930e14
[  431.218116][T18051] R13: 00000000000005dc R14: ffffc90004987198 R15: ffff88801a8f2f08
[  431.218589][T18051] FS:  00007f2ad2f94800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  431.219150][T18051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  431.219546][T18051] CR2: 00000000004a1738 CR3: 000000001a140002 CR4: 0000000000772ef0
[  431.220034][T18051] PKRU: 55555554
[  431.220278][T18051] Call Trace:
[  431.220514][T18051]  <TASK>
[431.220677][T18051] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[431.221001][T18051] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[431.221326][T18051] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[431.221721][T18051] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[431.222036][T18051] netif_set_mtu (net/core/dev.c:9652) 
[431.222361][T18051] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[431.222689][T18051] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[431.223143][T18051] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[431.223386][T18051] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[431.223834][T18051] br_add_if (net/bridge/br_if.c:697) bridge 
[431.224208][T18051] do_set_master (net/core/rtnetlink.c:2948) 
[431.224522][T18051] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[431.224844][T18051] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[431.225166][T18051] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[431.225481][T18051] ? __dev_get_by_name (net/core/dev.c:865) 
[431.225822][T18051] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.226144][T18051] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.226490][T18051] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[431.226807][T18051] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.227137][T18051] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[431.227462][T18051] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[431.227782][T18051] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.228117][T18051] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[431.228431][T18051] ? __lock_release (kernel/locking/lockdep.c:5539) 
[431.228746][T18051] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.229068][T18051] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[431.229384][T18051] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.229702][T18051] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.230035][T18051] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[431.230358][T18051] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.230677][T18051] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[431.231007][T18051] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[431.231331][T18051] ? 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) 
[431.231647][T18051] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[431.231985][T18051] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[431.232305][T18051] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.232634][T18051] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[431.232960][T18051] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[431.233299][T18051] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[431.233636][T18051] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[431.233966][T18051] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[431.234298][T18051] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[431.234699][T18051] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[431.235027][T18051] ___sys_sendmsg (net/socket.c:2670) 
[431.235361][T18051] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[431.235680][T18051] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[431.236001][T18051] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.236327][T18051] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[431.236652][T18051] ? __handle_mm_fault (mm/memory.c:6212) 
[431.236966][T18051] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[431.237290][T18051] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[431.237621][T18051] __sys_sendmsg (net/socket.c:2700) 
[431.237933][T18051] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[431.238258][T18051] ? 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) 
[431.238583][T18051] ? 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) 
[431.238907][T18051] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[431.239234][T18051] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[431.239552][T18051] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  431.240035][T18051] RIP: 0033:0x7f2ad31611e7
[ 431.240398][T18051] 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)
[  431.241532][T18051] RSP: 002b:00007ffc6256a4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  431.242010][T18051] RAX: ffffffffffffffda RBX: 00007ffc6256ac10 RCX: 00007f2ad31611e7
[  431.242506][T18051] RDX: 0000000000000000 RSI: 00007ffc6256a550 RDI: 0000000000000005
[  431.242975][T18051] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  431.243489][T18051] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6256ac48
[  431.243993][T18051] R13: 00000000686e1a00 R14: 0000000000499600 R15: 0000000000000000
| [  431.423184][T18053] ------------[ cut here ]------------
| [431.423500][T18053] WARNING: CPU: 0 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) 
| [  431.424177][T18053] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  431.425314][T18053] Tainted: [W]=WARN
[  431.425569][T18053] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[431.425960][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) 
[ 431.426305][T18053] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  431.427443][T18053] RSP: 0018:ffffc9000be07080 EFLAGS: 00010246
[  431.427843][T18053] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  431.428333][T18053] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  431.428818][T18053] RBP: ffffc9000be07168 R08: 0000000000000000 R09: 0000000000000000
[  431.429315][T18053] R10: ffffc9000be07198 R11: ffffffff87ea8918 R12: 1ffff920017c0e14
[  431.429815][T18053] R13: 00000000000005dc R14: ffffc9000be07198 R15: ffff88801a8f2f08
[  431.430343][T18053] FS:  00007f5084242800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  431.430908][T18053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  431.431337][T18053] CR2: 00000000004a1738 CR3: 000000001a140005 CR4: 0000000000772ef0
[  431.431829][T18053] PKRU: 55555554
[  431.432072][T18053] Call Trace:
[  431.432313][T18053]  <TASK>
[431.432479][T18053] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[431.432812][T18053] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[431.433139][T18053] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[431.433541][T18053] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[431.433866][T18053] netif_set_mtu (net/core/dev.c:9652) 
[431.434195][T18053] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[431.434530][T18053] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[431.434991][T18053] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[431.435240][T18053] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[431.435676][T18053] br_add_if (net/bridge/br_if.c:697) bridge 
[431.436080][T18053] do_set_master (net/core/rtnetlink.c:2948) 
[431.436423][T18053] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[431.436759][T18053] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[431.437089][T18053] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[431.437433][T18053] ? __dev_get_by_name (net/core/dev.c:865) 
[431.437752][T18053] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.438112][T18053] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.438461][T18053] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[431.438776][T18053] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.439128][T18053] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[431.439455][T18053] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[431.439818][T18053] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.440160][T18053] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[431.440473][T18053] ? __lock_release (kernel/locking/lockdep.c:5539) 
[431.440791][T18053] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.441146][T18053] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[431.441468][T18053] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.441795][T18053] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.442128][T18053] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[431.442445][T18053] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.442773][T18053] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[431.443112][T18053] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[431.443448][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) 
[431.443781][T18053] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[431.444119][T18053] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[431.444441][T18053] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.444766][T18053] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[431.445112][T18053] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[431.445462][T18053] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[431.445792][T18053] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[431.446139][T18053] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[431.446600][T18053] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[431.446998][T18053] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[431.447326][T18053] ___sys_sendmsg (net/socket.c:2670) 
[431.447648][T18053] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[431.447970][T18053] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[431.448308][T18053] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.448632][T18053] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[431.448962][T18053] ? __handle_mm_fault (mm/memory.c:6212) 
[431.449294][T18053] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[431.449623][T18053] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[431.449982][T18053] __sys_sendmsg (net/socket.c:2700) 
[431.450308][T18053] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[431.450629][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) 
[431.450964][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) 
[431.451300][T18053] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[431.451627][T18053] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[431.451953][T18053] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  431.452364][T18053] RIP: 0033:0x7f508440f1e7
[ 431.452730][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)
[  431.453919][T18053] RSP: 002b:00007ffc239db788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  431.454430][T18053] RAX: ffffffffffffffda RBX: 00007ffc239dbeb0 RCX: 00007f508440f1e7
[  431.454916][T18053] RDX: 0000000000000000 RSI: 00007ffc239db7f0 RDI: 0000000000000005
[  431.455417][T18053] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  431.455899][T18053] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc239dbee8
[  431.456378][T18053] R13: 00000000686e1a01 R14: 0000000000499600 R15: 0000000000000000
| [  431.637000][T18055] ------------[ cut here ]------------
| [431.637438][T18055] WARNING: CPU: 1 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) 
| [  431.638102][T18055] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  431.639283][T18055] Tainted: [W]=WARN
[  431.639535][T18055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[431.639955][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) 
[ 431.640451][T18055] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  431.641783][T18055] RSP: 0018:ffffc9000ba77080 EFLAGS: 00010246
[  431.642296][T18055] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  431.642785][T18055] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  431.643284][T18055] RBP: ffffc9000ba77168 R08: 0000000000000000 R09: 0000000000000000
[  431.643772][T18055] R10: ffffc9000ba77198 R11: ffffffff87ea8918 R12: 1ffff9200174ee14
[  431.644272][T18055] R13: 00000000000005dc R14: ffffc9000ba77198 R15: ffff88801a8f2f08
[  431.644760][T18055] FS:  00007f3232cab800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  431.645348][T18055] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  431.645766][T18055] CR2: 00000000004a1738 CR3: 000000000f288002 CR4: 0000000000772ef0
[  431.646271][T18055] PKRU: 55555554
[  431.646522][T18055] Call Trace:
[  431.646772][T18055]  <TASK>
[431.646946][T18055] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[431.647295][T18055] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[431.647633][T18055] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[431.648044][T18055] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[431.648388][T18055] netif_set_mtu (net/core/dev.c:9652) 
[431.648722][T18055] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[431.649073][T18055] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[431.649538][T18055] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[431.649803][T18055] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[431.650272][T18055] br_add_if (net/bridge/br_if.c:697) bridge 
[431.650634][T18055] do_set_master (net/core/rtnetlink.c:2948) 
[431.650980][T18055] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[431.651309][T18055] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[431.651630][T18055] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[431.651946][T18055] ? __dev_get_by_name (net/core/dev.c:865) 
[431.652294][T18055] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.652611][T18055] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.652933][T18055] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[431.653254][T18055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.653572][T18055] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[431.653898][T18055] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[431.654227][T18055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.654551][T18055] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[431.654871][T18055] ? __lock_release (kernel/locking/lockdep.c:5539) 
[431.655199][T18055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.655519][T18055] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[431.655833][T18055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.656156][T18055] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.656477][T18055] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[431.656790][T18055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.657111][T18055] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[431.657435][T18055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[431.657751][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) 
[431.658079][T18055] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[431.658396][T18055] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[431.658713][T18055] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.659036][T18055] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[431.659359][T18055] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[431.659683][T18055] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[431.660017][T18055] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[431.660343][T18055] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[431.660663][T18055] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[431.661068][T18055] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[431.661416][T18055] ___sys_sendmsg (net/socket.c:2670) 
[431.661733][T18055] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[431.662068][T18055] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[431.662385][T18055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.662702][T18055] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[431.663023][T18055] ? __handle_mm_fault (mm/memory.c:6212) 
[431.663346][T18055] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[431.663682][T18055] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[431.664019][T18055] __sys_sendmsg (net/socket.c:2700) 
[431.664343][T18055] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[431.664668][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) 
[431.664995][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) 
[431.665326][T18055] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[431.665642][T18055] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[431.665954][T18055] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  431.666360][T18055] RIP: 0033:0x7f3232e781e7
[ 431.666685][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)
[  431.667822][T18055] RSP: 002b:00007ffc0552c1b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  431.668317][T18055] RAX: ffffffffffffffda RBX: 00007ffc0552c8e0 RCX: 00007f3232e781e7
[  431.668812][T18055] RDX: 0000000000000000 RSI: 00007ffc0552c220 RDI: 0000000000000005
[  431.669286][T18055] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  431.669761][T18055] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc0552c918
[  431.670247][T18055] R13: 00000000686e1a01 R14: 0000000000499600 R15: 0000000000000000
| [  431.818503][T18057] ------------[ cut here ]------------
| [431.818824][T18057] WARNING: CPU: 0 PID: 18057 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) 
| [  431.819498][T18057] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  431.820658][T18057] Tainted: [W]=WARN
[  431.820931][T18057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[431.821340][T18057] 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) 
[ 431.821660][T18057] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  431.822836][T18057] RSP: 0018:ffffc9000be07080 EFLAGS: 00010246
[  431.823253][T18057] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  431.823724][T18057] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  431.824206][T18057] RBP: ffffc9000be07168 R08: 0000000000000000 R09: 0000000000000000
[  431.824684][T18057] R10: ffffc9000be07198 R11: ffffffff87ea8918 R12: 1ffff920017c0e14
[  431.825204][T18057] R13: 00000000000005dc R14: ffffc9000be07198 R15: ffff88801a8f2f08
[  431.825682][T18057] FS:  00007f1282e5c800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  431.826253][T18057] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  431.826658][T18057] CR2: 00007fb4a9e17610 CR3: 000000000efe3001 CR4: 0000000000772ef0
[  431.827159][T18057] PKRU: 55555554
[  431.827410][T18057] Call Trace:
[  431.827666][T18057]  <TASK>
[431.827863][T18057] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[431.828200][T18057] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[431.828528][T18057] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[431.828972][T18057] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[431.829308][T18057] netif_set_mtu (net/core/dev.c:9652) 
[431.829638][T18057] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[431.829996][T18057] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[431.830489][T18057] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[431.830746][T18057] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[431.831220][T18057] br_add_if (net/bridge/br_if.c:697) bridge 
[431.831605][T18057] do_set_master (net/core/rtnetlink.c:2948) 
[431.831944][T18057] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[431.832285][T18057] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[431.832629][T18057] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[431.832988][T18057] ? __dev_get_by_name (net/core/dev.c:865) 
[431.833332][T18057] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.833664][T18057] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.834001][T18057] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[431.834343][T18057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.834684][T18057] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[431.835030][T18057] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[431.835383][T18057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.835728][T18057] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[431.836068][T18057] ? __lock_release (kernel/locking/lockdep.c:5539) 
[431.836404][T18057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.836722][T18057] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[431.837056][T18057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.837378][T18057] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.837708][T18057] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[431.838098][T18057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.838423][T18057] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[431.838750][T18057] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[431.839073][T18057] ? 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) 
[431.839393][T18057] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[431.839714][T18057] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[431.840076][T18057] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.840441][T18057] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[431.840778][T18057] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[431.841104][T18057] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[431.841437][T18057] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[431.841788][T18057] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[431.842110][T18057] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[431.842511][T18057] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[431.842939][T18057] ___sys_sendmsg (net/socket.c:2670) 
[431.843750][T18057] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[431.844070][T18057] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[431.844410][T18057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.844722][T18057] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[431.845055][T18057] ? __handle_mm_fault (mm/memory.c:6212) 
[431.845371][T18057] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[431.845683][T18057] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[431.846016][T18057] __sys_sendmsg (net/socket.c:2700) 
[431.846341][T18057] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[431.846653][T18057] ? 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) 
[431.846979][T18057] ? 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) 
[431.847535][T18057] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[431.848134][T18057] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[431.848454][T18057] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  431.848845][T18057] RIP: 0033:0x7f12830291e7
[ 431.849416][T18057] 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)
[  431.850565][T18057] RSP: 002b:00007ffe969e0148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  431.851289][T18057] RAX: ffffffffffffffda RBX: 00007ffe969e0870 RCX: 00007f12830291e7
[  431.851763][T18057] RDX: 0000000000000000 RSI: 00007ffe969e01b0 RDI: 0000000000000005
[  431.852247][T18057] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  431.852722][T18057] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe969e08a8
[  431.853257][T18057] R13: 00000000686e1a01 R14: 0000000000499600 R15: 0000000000000000
| [  432.010980][T18059] ------------[ cut here ]------------
| [432.011346][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) 
| [  432.012011][T18059] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  432.013188][T18059] Tainted: [W]=WARN
[  432.013427][T18059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[432.013827][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) 
[ 432.014164][T18059] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  432.015313][T18059] RSP: 0018:ffffc9000be07080 EFLAGS: 00010246
[  432.015709][T18059] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  432.016186][T18059] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  432.016658][T18059] RBP: ffffc9000be07168 R08: 0000000000000000 R09: 0000000000000000
[  432.017132][T18059] R10: ffffc9000be07198 R11: ffffffff87ea8918 R12: 1ffff920017c0e14
[  432.017603][T18059] R13: 00000000000005dc R14: ffffc9000be07198 R15: ffff88801a8f2f08
[  432.018083][T18059] FS:  00007f83ef65e800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  432.018639][T18059] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  432.019034][T18059] CR2: 00000000004a1738 CR3: 000000000fe97004 CR4: 0000000000772ef0
[  432.019515][T18059] PKRU: 55555554
[  432.019762][T18059] Call Trace:
[  432.020005][T18059]  <TASK>
[432.020178][T18059] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[432.020507][T18059] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[432.020822][T18059] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[432.021229][T18059] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[432.021555][T18059] netif_set_mtu (net/core/dev.c:9652) 
[432.021869][T18059] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[432.022204][T18059] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[432.022649][T18059] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[432.022893][T18059] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[432.023331][T18059] br_add_if (net/bridge/br_if.c:697) bridge 
[432.023686][T18059] do_set_master (net/core/rtnetlink.c:2948) 
[432.024005][T18059] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[432.024334][T18059] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[432.024652][T18059] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[432.024970][T18059] ? __dev_get_by_name (net/core/dev.c:865) 
[432.025295][T18059] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.025611][T18059] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.025930][T18059] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[432.026254][T18059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.026577][T18059] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[432.026904][T18059] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[432.027271][T18059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.027602][T18059] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[432.027915][T18059] ? __lock_release (kernel/locking/lockdep.c:5539) 
[432.028239][T18059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.028556][T18059] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[432.028872][T18059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.029202][T18059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.029522][T18059] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[432.029860][T18059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.030185][T18059] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[432.030515][T18059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[432.030839][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) 
[432.031165][T18059] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[432.031483][T18059] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[432.031804][T18059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.032142][T18059] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[432.032460][T18059] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[432.032774][T18059] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[432.033103][T18059] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[432.033426][T18059] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[432.033739][T18059] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[432.034145][T18059] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[432.034473][T18059] ___sys_sendmsg (net/socket.c:2670) 
[432.034789][T18059] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[432.035114][T18059] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[432.035433][T18059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.035744][T18059] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[432.036069][T18059] ? __handle_mm_fault (mm/memory.c:6212) 
[432.036392][T18059] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[432.036729][T18059] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[432.037066][T18059] __sys_sendmsg (net/socket.c:2700) 
[432.037383][T18059] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[432.037699][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) 
[432.038020][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) 
[432.038346][T18059] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[432.038668][T18059] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[432.038988][T18059] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  432.039395][T18059] RIP: 0033:0x7f83ef82b1e7
[ 432.039718][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)
[  432.040854][T18059] RSP: 002b:00007fff901885c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  432.041342][T18059] RAX: ffffffffffffffda RBX: 00007fff90188cf0 RCX: 00007f83ef82b1e7
[  432.041815][T18059] RDX: 0000000000000000 RSI: 00007fff90188630 RDI: 0000000000000005
[  432.042299][T18059] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  432.042774][T18059] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff90188d28
[  432.043260][T18059] R13: 00000000686e1a01 R14: 0000000000499600 R15: 0000000000000000
| [  432.202201][T18062] ------------[ cut here ]------------
| [432.202542][T18062] WARNING: CPU: 2 PID: 18062 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) 
| [  432.203248][T18062] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  432.204576][T18062] Tainted: [W]=WARN
[  432.205041][T18062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[432.205467][T18062] 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) 
[ 432.205846][T18062] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  432.206994][T18062] RSP: 0018:ffffc9000be07080 EFLAGS: 00010246
[  432.207431][T18062] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  432.207923][T18062] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  432.208421][T18062] RBP: ffffc9000be07168 R08: 0000000000000000 R09: 0000000000000000
[  432.208929][T18062] R10: ffffc9000be07198 R11: ffffffff87ea8918 R12: 1ffff920017c0e14
[  432.209444][T18062] R13: 00000000000005dc R14: ffffc9000be07198 R15: ffff88801a8f2f08
[  432.209998][T18062] FS:  00007fb6ebd82800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  432.210571][T18062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  432.210980][T18062] CR2: 000055aaa4282aac CR3: 000000000bca9004 CR4: 0000000000772ef0
[  432.211510][T18062] PKRU: 55555554
[  432.211761][T18062] Call Trace:
[  432.212014][T18062]  <TASK>
[432.212199][T18062] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[432.212536][T18062] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[432.212865][T18062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[432.213280][T18062] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[432.213613][T18062] netif_set_mtu (net/core/dev.c:9652) 
[432.213941][T18062] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[432.214293][T18062] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[432.214765][T18062] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[432.215018][T18062] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[432.215471][T18062] br_add_if (net/bridge/br_if.c:697) bridge 
[432.215845][T18062] do_set_master (net/core/rtnetlink.c:2948) 
[432.216178][T18062] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[432.216509][T18062] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[432.216847][T18062] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[432.217180][T18062] ? __dev_get_by_name (net/core/dev.c:865) 
[432.217509][T18062] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.217839][T18062] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.218187][T18062] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[432.218520][T18062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.218855][T18062] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[432.219207][T18062] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[432.219548][T18062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.219902][T18062] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[432.220239][T18062] ? __lock_release (kernel/locking/lockdep.c:5539) 
[432.220570][T18062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.220902][T18062] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[432.221242][T18062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.221575][T18062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.221905][T18062] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[432.222243][T18062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.222574][T18062] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[432.222920][T18062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[432.223257][T18062] ? 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) 
[432.223593][T18062] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[432.223942][T18062] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[432.224294][T18062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.224632][T18062] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[432.224968][T18062] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[432.225339][T18062] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[432.225675][T18062] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[432.226013][T18062] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[432.226352][T18062] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[432.226774][T18062] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[432.227120][T18062] ___sys_sendmsg (net/socket.c:2670) 
[432.227466][T18062] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[432.227820][T18062] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[432.228170][T18062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.228499][T18062] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[432.228838][T18062] ? __handle_mm_fault (mm/memory.c:6212) 
[432.229179][T18062] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[432.229513][T18062] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[432.229890][T18062] __sys_sendmsg (net/socket.c:2700) 
[432.230236][T18062] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[432.230565][T18062] ? 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) 
[432.230922][T18062] ? 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) 
[432.231272][T18062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[432.231611][T18062] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[432.231941][T18062] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  432.232413][T18062] RIP: 0033:0x7fb6ebf4f1e7
[ 432.232911][T18062] 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)
[  432.234115][T18062] RSP: 002b:00007ffe8e1c8558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  432.234632][T18062] RAX: ffffffffffffffda RBX: 00007ffe8e1c8c80 RCX: 00007fb6ebf4f1e7
[  432.235131][T18062] RDX: 0000000000000000 RSI: 00007ffe8e1c85c0 RDI: 0000000000000005
[  432.235625][T18062] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  432.236120][T18062] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe8e1c8cb8
[  432.236614][T18062] R13: 00000000686e1a01 R14: 0000000000499600 R15: 0000000000000000
| [  432.420552][T18063] ------------[ cut here ]------------
| [432.421242][T18063] WARNING: CPU: 2 PID: 18063 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) 
| [  432.422386][T18063] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  432.424497][T18063] Tainted: [W]=WARN
[  432.424950][T18063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[432.425666][T18063] 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) 
[ 432.426298][T18063] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  432.428349][T18063] RSP: 0018:ffffc9000ab17080 EFLAGS: 00010246
[  432.429082][T18063] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  432.429888][T18063] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  432.430767][T18063] RBP: ffffc9000ab17168 R08: 0000000000000000 R09: 0000000000000000
[  432.431617][T18063] R10: ffffc9000ab17198 R11: ffffffff87ea8918 R12: 1ffff92001562e14
[  432.432473][T18063] R13: 00000000000005dc R14: ffffc9000ab17198 R15: ffff88801a8f2f08
[  432.433336][T18063] FS:  00007ff481922800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  432.434355][T18063] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  432.435091][T18063] CR2: 00000000004a1738 CR3: 000000000251f004 CR4: 0000000000772ef0
[  432.435955][T18063] PKRU: 55555554
[  432.436411][T18063] Call Trace:
[  432.436842][T18063]  <TASK>
[432.437167][T18063] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[432.437760][T18063] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[432.438353][T18063] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[432.439085][T18063] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[432.439668][T18063] netif_set_mtu (net/core/dev.c:9652) 
[432.440262][T18063] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[432.440850][T18063] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[432.441659][T18063] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[432.442120][T18063] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[432.442924][T18063] br_add_if (net/bridge/br_if.c:697) bridge 
[432.443599][T18063] do_set_master (net/core/rtnetlink.c:2948) 
[432.444200][T18063] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[432.444766][T18063] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[432.445341][T18063] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[432.445892][T18063] ? __dev_get_by_name (net/core/dev.c:865) 
[432.446516][T18063] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.447103][T18063] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.447664][T18063] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[432.448248][T18063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.448833][T18063] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[432.449448][T18063] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[432.450069][T18063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.450668][T18063] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[432.451255][T18063] ? __lock_release (kernel/locking/lockdep.c:5539) 
[432.451840][T18063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.452428][T18063] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[432.453005][T18063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.453601][T18063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.454230][T18063] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[432.454814][T18063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.455411][T18063] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[432.456004][T18063] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[432.456615][T18063] ? 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) 
[432.457189][T18063] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[432.457759][T18063] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[432.458339][T18063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.458913][T18063] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[432.459509][T18063] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[432.460110][T18063] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[432.460674][T18063] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[432.461252][T18063] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[432.461802][T18063] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[432.462555][T18063] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[432.463154][T18063] ___sys_sendmsg (net/socket.c:2670) 
[432.463727][T18063] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[432.465196][T18063] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[432.465792][T18063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.466813][T18063] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[432.467839][T18063] ? __handle_mm_fault (mm/memory.c:6212) 
[432.468426][T18063] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[432.468993][T18063] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[432.469619][T18063] __sys_sendmsg (net/socket.c:2700) 
[432.470030][T18063] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[432.470372][T18063] ? 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) 
[432.470720][T18063] ? 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) 
[432.471103][T18063] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[432.471437][T18063] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[432.471992][T18063] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  432.472396][T18063] RIP: 0033:0x7ff481aef1e7
[ 432.472735][T18063] 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)
[  432.474115][T18063] RSP: 002b:00007ffcc914ccf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  432.474893][T18063] RAX: ffffffffffffffda RBX: 00007ffcc914d420 RCX: 00007ff481aef1e7
[  432.475403][T18063] RDX: 0000000000000000 RSI: 00007ffcc914cd60 RDI: 0000000000000005
[  432.475911][T18063] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  432.476409][T18063] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc914d458
[  432.476898][T18063] R13: 00000000686e1a02 R14: 0000000000499600 R15: 0000000000000000
| [  432.641112][T18066] ------------[ cut here ]------------
| [432.641436][T18066] WARNING: CPU: 0 PID: 18066 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) 
| [  432.642062][T18066] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  432.643196][T18066] Tainted: [W]=WARN
[  432.643439][T18066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[432.643836][T18066] 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) 
[ 432.644176][T18066] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  432.645304][T18066] RSP: 0018:ffffc9000be07080 EFLAGS: 00010246
[  432.645704][T18066] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  432.646190][T18066] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  432.646661][T18066] RBP: ffffc9000be07168 R08: 0000000000000000 R09: 0000000000000000
[  432.647151][T18066] R10: ffffc9000be07198 R11: ffffffff87ea8918 R12: 1ffff920017c0e14
[  432.647621][T18066] R13: 00000000000005dc R14: ffffc9000be07198 R15: ffff88801a8f2f08
[  432.648101][T18066] FS:  00007fbe39d06800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  432.648649][T18066] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  432.649058][T18066] CR2: 00000000004a1738 CR3: 0000000004f99001 CR4: 0000000000772ef0
[  432.649557][T18066] PKRU: 55555554
[  432.649811][T18066] Call Trace:
[  432.650054][T18066]  <TASK>
[432.650216][T18066] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[432.650567][T18066] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[432.650892][T18066] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[432.651292][T18066] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[432.651613][T18066] netif_set_mtu (net/core/dev.c:9652) 
[432.651954][T18066] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[432.652286][T18066] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[432.652731][T18066] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[432.652971][T18066] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[432.653433][T18066] br_add_if (net/bridge/br_if.c:697) bridge 
[432.653800][T18066] do_set_master (net/core/rtnetlink.c:2948) 
[432.654120][T18066] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[432.654542][T18066] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[432.654863][T18066] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[432.655181][T18066] ? __dev_get_by_name (net/core/dev.c:865) 
[432.655494][T18066] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.655805][T18066] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.656139][T18066] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[432.656458][T18066] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.656787][T18066] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[432.657122][T18066] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[432.657440][T18066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.657788][T18066] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[432.658105][T18066] ? __lock_release (kernel/locking/lockdep.c:5539) 
[432.658423][T18066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.658735][T18066] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[432.659060][T18066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.659385][T18066] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.659705][T18066] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[432.660065][T18066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.660422][T18066] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[432.660753][T18066] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[432.661072][T18066] ? 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) 
[432.661422][T18066] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[432.661741][T18066] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[432.662061][T18066] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.662377][T18066] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[432.662743][T18066] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[432.663068][T18066] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[432.663392][T18066] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[432.663789][T18066] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[432.664119][T18066] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[432.664516][T18066] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[432.664856][T18066] ___sys_sendmsg (net/socket.c:2670) 
[432.665197][T18066] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[432.665512][T18066] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[432.665828][T18066] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.666171][T18066] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[432.666517][T18066] ? __handle_mm_fault (mm/memory.c:6212) 
[432.666837][T18066] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[432.667157][T18066] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[432.667488][T18066] __sys_sendmsg (net/socket.c:2700) 
[432.667828][T18066] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[432.668152][T18066] ? 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) 
[432.668473][T18066] ? 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) 
[432.668795][T18066] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[432.669122][T18066] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[432.669437][T18066] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  432.669846][T18066] RIP: 0033:0x7fbe39ed31e7
[ 432.670183][T18066] 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)
[  432.671316][T18066] RSP: 002b:00007fff23af53a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  432.671796][T18066] RAX: ffffffffffffffda RBX: 00007fff23af5ad0 RCX: 00007fbe39ed31e7
[  432.672276][T18066] RDX: 0000000000000000 RSI: 00007fff23af5410 RDI: 0000000000000005
[  432.672751][T18066] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  432.673233][T18066] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff23af5b08
[  432.673705][T18066] R13: 00000000686e1a02 R14: 0000000000499600 R15: 0000000000000000
| [  432.829951][T18067] ------------[ cut here ]------------
| [432.830344][T18067] WARNING: CPU: 0 PID: 18067 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) 
| [  432.831010][T18067] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  432.832245][T18067] Tainted: [W]=WARN
[  432.832513][T18067] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[432.832934][T18067] 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) 
[ 432.833292][T18067] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  432.834494][T18067] RSP: 0018:ffffc9000be07080 EFLAGS: 00010246
[  432.834914][T18067] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  432.835410][T18067] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  432.835918][T18067] RBP: ffffc9000be07168 R08: 0000000000000000 R09: 0000000000000000
[  432.836431][T18067] R10: ffffc9000be07198 R11: ffffffff87ea8918 R12: 1ffff920017c0e14
[  432.836944][T18067] R13: 00000000000005dc R14: ffffc9000be07198 R15: ffff88801a8f2f08
[  432.837454][T18067] FS:  00007fa549ee3800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  432.838056][T18067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  432.838483][T18067] CR2: 00000000004a1738 CR3: 000000001a536004 CR4: 0000000000772ef0
[  432.839002][T18067] PKRU: 55555554
[  432.839266][T18067] Call Trace:
[  432.839521][T18067]  <TASK>
[432.839692][T18067] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[432.840039][T18067] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[432.840387][T18067] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[432.840809][T18067] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[432.841169][T18067] netif_set_mtu (net/core/dev.c:9652) 
[432.841509][T18067] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[432.841857][T18067] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[432.842339][T18067] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[432.842598][T18067] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[432.843069][T18067] br_add_if (net/bridge/br_if.c:697) bridge 
[432.843454][T18067] do_set_master (net/core/rtnetlink.c:2948) 
[432.843800][T18067] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[432.844150][T18067] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[432.844494][T18067] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[432.844832][T18067] ? __dev_get_by_name (net/core/dev.c:865) 
[432.845174][T18067] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.845511][T18067] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.845855][T18067] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[432.846198][T18067] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.846546][T18067] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[432.846896][T18067] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[432.847253][T18067] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.847607][T18067] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[432.847945][T18067] ? __lock_release (kernel/locking/lockdep.c:5539) 
[432.848301][T18067] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.848643][T18067] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[432.848981][T18067] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.849330][T18067] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.849682][T18067] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[432.850034][T18067] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.850391][T18067] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[432.850768][T18067] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[432.851133][T18067] ? 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) 
[432.851486][T18067] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[432.851838][T18067] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[432.852185][T18067] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.852529][T18067] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[432.852875][T18067] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[432.853227][T18067] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[432.853573][T18067] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[432.853908][T18067] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[432.854258][T18067] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[432.854684][T18067] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[432.855031][T18067] ___sys_sendmsg (net/socket.c:2670) 
[432.855385][T18067] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[432.855723][T18067] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[432.856065][T18067] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.856403][T18067] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[432.856752][T18067] ? __handle_mm_fault (mm/memory.c:6212) 
[432.857104][T18067] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[432.857437][T18067] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[432.857798][T18067] __sys_sendmsg (net/socket.c:2700) 
[432.858147][T18067] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[432.858485][T18067] ? 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) 
[432.858834][T18067] ? 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) 
[432.859185][T18067] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[432.859529][T18067] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[432.859877][T18067] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  432.860311][T18067] RIP: 0033:0x7fa54a0b01e7
[ 432.860653][T18067] 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)
[  432.861867][T18067] RSP: 002b:00007fff681a4148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  432.862391][T18067] RAX: ffffffffffffffda RBX: 00007fff681a4870 RCX: 00007fa54a0b01e7
[  432.862895][T18067] RDX: 0000000000000000 RSI: 00007fff681a41b0 RDI: 0000000000000005
[  432.863406][T18067] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  432.863920][T18067] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff681a48a8
[  432.864434][T18067] R13: 00000000686e1a02 R14: 0000000000499600 R15: 0000000000000000
| [  433.037394][T18069] ------------[ cut here ]------------
| [433.037745][T18069] WARNING: CPU: 1 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) 
| [  433.038478][T18069] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  433.040148][T18069] Tainted: [W]=WARN
[  433.040567][T18069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[433.041301][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) 
[ 433.041906][T18069] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  433.043791][T18069] RSP: 0018:ffffc900049a7080 EFLAGS: 00010246
[  433.044791][T18069] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  433.045907][T18069] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  433.047031][T18069] RBP: ffffc900049a7168 R08: 0000000000000000 R09: 0000000000000000
[  433.048179][T18069] R10: ffffc900049a7198 R11: ffffffff87ea8918 R12: 1ffff92000934e14
[  433.049016][T18069] R13: 00000000000005dc R14: ffffc900049a7198 R15: ffff88801a8f2f08
[  433.050151][T18069] FS:  00007fcb89d2b800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  433.051449][T18069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  433.052448][T18069] CR2: 00000000004a1738 CR3: 000000001a536003 CR4: 0000000000772ef0
[  433.053579][T18069] PKRU: 55555554
[  433.054000][T18069] Call Trace:
[  433.054699][T18069]  <TASK>
[433.054993][T18069] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[433.055621][T18069] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[433.056210][T18069] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[433.056903][T18069] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[433.057502][T18069] netif_set_mtu (net/core/dev.c:9652) 
[433.058104][T18069] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[433.058703][T18069] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[433.059507][T18069] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[433.059916][T18069] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[433.060694][T18069] br_add_if (net/bridge/br_if.c:697) bridge 
[433.061346][T18069] do_set_master (net/core/rtnetlink.c:2948) 
[433.061903][T18069] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[433.062480][T18069] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[433.063082][T18069] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[433.063634][T18069] ? __dev_get_by_name (net/core/dev.c:865) 
[433.064223][T18069] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[433.064800][T18069] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[433.065424][T18069] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[433.066007][T18069] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[433.066619][T18069] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[433.067223][T18069] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[433.067787][T18069] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[433.068411][T18069] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[433.068969][T18069] ? __lock_release (kernel/locking/lockdep.c:5539) 
[433.069568][T18069] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[433.070174][T18069] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[433.070761][T18069] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[433.071361][T18069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.071937][T18069] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[433.072538][T18069] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[433.073139][T18069] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[433.073761][T18069] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[433.074355][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) 
[433.074951][T18069] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[433.075542][T18069] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[433.076142][T18069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.076714][T18069] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[433.077310][T18069] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[433.077865][T18069] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[433.078465][T18069] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[433.079038][T18069] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[433.079627][T18069] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[433.080361][T18069] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[433.080945][T18069] ___sys_sendmsg (net/socket.c:2670) 
[433.081540][T18069] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[433.082129][T18069] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[433.082706][T18069] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[433.083301][T18069] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[433.083889][T18069] ? __handle_mm_fault (mm/memory.c:6212) 
[433.084487][T18069] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[433.085082][T18069] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[433.085688][T18069] __sys_sendmsg (net/socket.c:2700) 
[433.086287][T18069] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[433.086707][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) 
[433.087075][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) 
[433.087406][T18069] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[433.087745][T18069] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[433.088108][T18069] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  433.088519][T18069] RIP: 0033:0x7fcb89ef81e7
[ 433.088873][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)
[  433.090088][T18069] RSP: 002b:00007ffd434cf388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  433.090589][T18069] RAX: ffffffffffffffda RBX: 00007ffd434cfab0 RCX: 00007fcb89ef81e7
[  433.091103][T18069] RDX: 0000000000000000 RSI: 00007ffd434cf3f0 RDI: 0000000000000005
[  433.091590][T18069] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  433.092098][T18069] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd434cfae8
[  433.092572][T18069] R13: 00000000686e1a02 R14: 0000000000499600 R15: 0000000000000000
| [  433.250885][T18071] ------------[ cut here ]------------
| [433.251291][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) 
| [  433.251927][T18071] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  433.253114][T18071] Tainted: [W]=WARN
[  433.253378][T18071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[433.253787][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) 
[ 433.254138][T18071] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  433.255284][T18071] RSP: 0000:ffffc9000bb57080 EFLAGS: 00010246
[  433.255695][T18071] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  433.256196][T18071] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  433.256682][T18071] RBP: ffffc9000bb57168 R08: 0000000000000000 R09: 0000000000000000
[  433.257175][T18071] R10: ffffc9000bb57198 R11: ffffffff87ea8918 R12: 1ffff9200176ae14
[  433.257661][T18071] R13: 00000000000005dc R14: ffffc9000bb57198 R15: ffff88801a8f2f08
[  433.258169][T18071] FS:  00007f44b3b47800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  433.258735][T18071] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  433.259153][T18071] CR2: 00007fb4a9d47b30 CR3: 0000000009307005 CR4: 0000000000772ef0
[  433.259636][T18071] PKRU: 55555554
[  433.259918][T18071] Call Trace:
[  433.260180][T18071]  <TASK>
[433.260359][T18071] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[433.260700][T18071] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[433.261030][T18071] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[433.261450][T18071] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[433.261780][T18071] netif_set_mtu (net/core/dev.c:9652) 
[433.262118][T18071] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[433.262475][T18071] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[433.262935][T18071] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[433.263197][T18071] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[433.263643][T18071] br_add_if (net/bridge/br_if.c:697) bridge 
[433.264020][T18071] do_set_master (net/core/rtnetlink.c:2948) 
[433.264359][T18071] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[433.264705][T18071] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[433.265038][T18071] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[433.265376][T18071] ? __dev_get_by_name (net/core/dev.c:865) 
[433.265720][T18071] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[433.266062][T18071] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[433.266397][T18071] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[433.266726][T18071] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[433.267077][T18071] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[433.267423][T18071] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[433.267758][T18071] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[433.268108][T18071] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[433.268565][T18071] ? __lock_release (kernel/locking/lockdep.c:5539) 
[433.268905][T18071] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[433.269245][T18071] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[433.269579][T18071] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[433.269951][T18071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.270309][T18071] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[433.270643][T18071] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[433.270974][T18071] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[433.271323][T18071] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[433.271649][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) 
[433.271984][T18071] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[433.272342][T18071] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[433.272680][T18071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.273022][T18071] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[433.273383][T18071] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[433.273718][T18071] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[433.274064][T18071] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[433.274398][T18071] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[433.274724][T18071] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[433.275141][T18071] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[433.275473][T18071] ___sys_sendmsg (net/socket.c:2670) 
[433.275804][T18071] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[433.276150][T18071] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[433.276485][T18071] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[433.276810][T18071] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[433.277156][T18071] ? __handle_mm_fault (mm/memory.c:6212) 
[433.277491][T18071] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[433.277816][T18071] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[433.278631][T18071] __sys_sendmsg (net/socket.c:2700) 
[433.278964][T18071] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[433.279300][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) 
[433.279640][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) 
[433.280227][T18071] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[433.280556][T18071] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[433.280881][T18071] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  433.281514][T18071] RIP: 0033:0x7f44b3d141e7
[ 433.281852][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)
[  433.283233][T18071] RSP: 002b:00007ffe990788a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  433.283720][T18071] RAX: ffffffffffffffda RBX: 00007ffe99078fd0 RCX: 00007f44b3d141e7
[  433.284214][T18071] RDX: 0000000000000000 RSI: 00007ffe99078910 RDI: 0000000000000005
[  433.284929][T18071] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  433.285417][T18071] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe99079008
[  433.285901][T18071] R13: 00000000686e1a03 R14: 0000000000499600 R15: 0000000000000000
| [  433.439956][T18073] ------------[ cut here ]------------
| [433.440376][T18073] WARNING: CPU: 2 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) 
| [  433.441032][T18073] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  433.442256][T18073] Tainted: [W]=WARN
[  433.442513][T18073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[433.442933][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) 
[ 433.443310][T18073] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  433.444544][T18073] RSP: 0018:ffffc9000ab07080 EFLAGS: 00010246
[  433.444965][T18073] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  433.445463][T18073] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  433.445951][T18073] RBP: ffffc9000ab07168 R08: 0000000000000000 R09: 0000000000000000
[  433.446466][T18073] R10: ffffc9000ab07198 R11: ffffffff87ea8918 R12: 1ffff92001560e14
[  433.446968][T18073] R13: 00000000000005dc R14: ffffc9000ab07198 R15: ffff88801a8f2f08
[  433.447486][T18073] FS:  00007f8619f10800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  433.448063][T18073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  433.448478][T18073] CR2: 00000000004a1738 CR3: 0000000009307002 CR4: 0000000000772ef0
[  433.448988][T18073] PKRU: 55555554
[  433.449392][T18073] Call Trace:
[  433.449798][T18073]  <TASK>
[433.450072][T18073] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[433.450409][T18073] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[433.450739][T18073] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[433.451149][T18073] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[433.451480][T18073] netif_set_mtu (net/core/dev.c:9652) 
[433.451807][T18073] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[433.452155][T18073] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[433.452616][T18073] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[433.452898][T18073] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[433.453352][T18073] br_add_if (net/bridge/br_if.c:697) bridge 
[433.453730][T18073] do_set_master (net/core/rtnetlink.c:2948) 
[433.454066][T18073] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[433.454420][T18073] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[433.454757][T18073] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[433.455107][T18073] ? irqentry_exit (kernel/entry/common.c:311) 
[433.455436][T18073] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[433.455797][T18073] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[433.456155][T18073] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[433.456492][T18073] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[433.456841][T18073] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[433.457173][T18073] ? __lock_release (kernel/locking/lockdep.c:5539) 
[433.457507][T18073] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[433.457840][T18073] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[433.458202][T18073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[433.458546][T18073] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.458889][T18073] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[433.459226][T18073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[433.459556][T18073] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[433.460014][T18073] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[433.460355][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) 
[433.460701][T18073] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[433.461038][T18073] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[433.461386][T18073] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.461734][T18073] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[433.462094][T18073] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[433.462460][T18073] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[433.462804][T18073] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[433.463154][T18073] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[433.463483][T18073] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[433.463891][T18073] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[433.464234][T18073] ___sys_sendmsg (net/socket.c:2670) 
[433.464564][T18073] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[433.464924][T18073] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[433.465285][T18073] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[433.465614][T18073] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[433.465960][T18073] ? __handle_mm_fault (mm/memory.c:6212) 
[433.466310][T18073] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[433.466648][T18073] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[433.467009][T18073] __sys_sendmsg (net/socket.c:2700) 
[433.467380][T18073] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[433.467723][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) 
[433.468105][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) 
[433.468436][T18073] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[433.468777][T18073] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[433.469116][T18073] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  433.469524][T18073] RIP: 0033:0x7f861a0dd1e7
[ 433.469882][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)
[  433.471024][T18073] RSP: 002b:00007ffdfced27a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  433.471521][T18073] RAX: ffffffffffffffda RBX: 00007ffdfced2ed0 RCX: 00007f861a0dd1e7
[  433.472013][T18073] RDX: 0000000000000000 RSI: 00007ffdfced2810 RDI: 0000000000000005
[  433.472506][T18073] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  433.473014][T18073] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdfced2f08
[  433.473512][T18073] R13: 00000000686e1a03 R14: 0000000000499600 R15: 0000000000000000
| [  433.613697][T18075] ------------[ cut here ]------------
| [433.614155][T18075] WARNING: CPU: 1 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) 
| [  433.614773][T18075] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  433.616297][T18075] Tainted: [W]=WARN
[  433.616534][T18075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[433.616926][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) 
[ 433.617416][T18075] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  433.618563][T18075] RSP: 0018:ffffc9000bb57080 EFLAGS: 00010246
[  433.618995][T18075] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  433.619477][T18075] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  433.619966][T18075] RBP: ffffc9000bb57168 R08: 0000000000000000 R09: 0000000000000000
[  433.620487][T18075] R10: ffffc9000bb57198 R11: ffffffff87ea8918 R12: 1ffff9200176ae14
[  433.620957][T18075] R13: 00000000000005dc R14: ffffc9000bb57198 R15: ffff88801a8f2f08
[  433.621434][T18075] FS:  00007f2e6346e800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  433.621976][T18075] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  433.622376][T18075] CR2: 00000000004a1738 CR3: 0000000009307003 CR4: 0000000000772ef0
[  433.622848][T18075] PKRU: 55555554
[  433.623093][T18075] Call Trace:
[  433.623329][T18075]  <TASK>
[433.623490][T18075] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[433.623808][T18075] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[433.624134][T18075] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[433.624525][T18075] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[433.624841][T18075] netif_set_mtu (net/core/dev.c:9652) 
[433.625164][T18075] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[433.625486][T18075] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[433.625928][T18075] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[433.626204][T18075] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[433.626635][T18075] br_add_if (net/bridge/br_if.c:697) bridge 
[433.626997][T18075] do_set_master (net/core/rtnetlink.c:2948) 
[433.627327][T18075] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[433.627641][T18075] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[433.627958][T18075] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[433.628277][T18075] ? __dev_get_by_name (net/core/dev.c:865) 
[433.628587][T18075] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[433.628900][T18075] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[433.629234][T18075] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[433.629545][T18075] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[433.629880][T18075] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[433.630216][T18075] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[433.630535][T18075] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[433.630859][T18075] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[433.631185][T18075] ? __lock_release (kernel/locking/lockdep.c:5539) 
[433.631502][T18075] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[433.631822][T18075] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[433.632151][T18075] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[433.632473][T18075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.632793][T18075] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[433.633120][T18075] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[433.633449][T18075] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[433.633785][T18075] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[433.634108][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) 
[433.634422][T18075] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[433.634739][T18075] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[433.635062][T18075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.635387][T18075] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[433.635703][T18075] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[433.636021][T18075] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[433.636353][T18075] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[433.636673][T18075] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[433.636984][T18075] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[433.637388][T18075] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[433.637707][T18075] ___sys_sendmsg (net/socket.c:2670) 
[433.638021][T18075] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[433.638352][T18075] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[433.638668][T18075] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[433.638977][T18075] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[433.639304][T18075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.639626][T18075] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[433.639958][T18075] __sys_sendmsg (net/socket.c:2700) 
[433.640289][T18075] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[433.640618][T18075] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[433.640934][T18075] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[433.641259][T18075] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  433.641662][T18075] RIP: 0033:0x7f2e6363b1e7
[ 433.641984][T18075] 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)
[  433.643108][T18075] RSP: 002b:00007ffed6efe038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  433.643587][T18075] RAX: ffffffffffffffda RBX: 00007ffed6efe760 RCX: 00007f2e6363b1e7
[  433.644063][T18075] RDX: 0000000000000000 RSI: 00007ffed6efe0a0 RDI: 0000000000000005
[  433.644532][T18075] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  433.645002][T18075] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffed6efe798
[  433.645489][T18075] R13: 00000000686e1a03 R14: 0000000000499600 R15: 0000000000000000
| [  433.794768][T18077] ------------[ cut here ]------------
| [433.795094][T18077] WARNING: CPU: 3 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) 
| [  433.795707][T18077] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  433.796835][T18077] Tainted: [W]=WARN
[  433.797087][T18077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[433.797479][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) 
[ 433.797803][T18077] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  433.798938][T18077] RSP: 0018:ffffc9000be07080 EFLAGS: 00010246
[  433.799344][T18077] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  433.799833][T18077] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  433.800463][T18077] RBP: ffffc9000be07168 R08: 0000000000000000 R09: 0000000000000000
[  433.800930][T18077] R10: ffffc9000be07198 R11: ffffffff87ea8918 R12: 1ffff920017c0e14
[  433.801545][T18077] R13: 00000000000005dc R14: ffffc9000be07198 R15: ffff88801a8f2f08
[  433.802024][T18077] FS:  00007fb72158b800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  433.802718][T18077] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  433.803117][T18077] CR2: 00000000004a1738 CR3: 000000001aabb002 CR4: 0000000000772ef0
[  433.803585][T18077] PKRU: 55555554
[  433.803824][T18077] Call Trace:
[  433.804068][T18077]  <TASK>
[433.804227][T18077] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[433.804547][T18077] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[433.804896][T18077] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[433.805301][T18077] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[433.805627][T18077] netif_set_mtu (net/core/dev.c:9652) 
[433.805949][T18077] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[433.806285][T18077] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[433.806727][T18077] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[433.806996][T18077] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[433.807436][T18077] br_add_if (net/bridge/br_if.c:697) bridge 
[433.807888][T18077] do_set_master (net/core/rtnetlink.c:2948) 
[433.808213][T18077] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[433.808536][T18077] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[433.808853][T18077] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[433.809174][T18077] ? __dev_get_by_name (net/core/dev.c:865) 
[433.809490][T18077] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[433.809817][T18077] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[433.810147][T18077] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[433.810458][T18077] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[433.810775][T18077] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[433.811114][T18077] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[433.811434][T18077] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[433.811769][T18077] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[433.812087][T18077] ? __lock_release (kernel/locking/lockdep.c:5539) 
[433.812434][T18077] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[433.812748][T18077] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[433.813073][T18077] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[433.813396][T18077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.813725][T18077] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[433.814040][T18077] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[433.814366][T18077] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[433.814692][T18077] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[433.815008][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) 
[433.815353][T18077] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[433.815673][T18077] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[433.815987][T18077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.816311][T18077] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[433.816631][T18077] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[433.816972][T18077] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[433.817302][T18077] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[433.817619][T18077] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[433.817959][T18077] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[433.818360][T18077] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[433.818686][T18077] ___sys_sendmsg (net/socket.c:2670) 
[433.819009][T18077] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[433.819330][T18077] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[433.819648][T18077] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[433.819973][T18077] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[433.820304][T18077] ? __handle_mm_fault (mm/memory.c:6212) 
[433.820619][T18077] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[433.820931][T18077] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[433.821273][T18077] __sys_sendmsg (net/socket.c:2700) 
[433.821590][T18077] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[433.821901][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) 
[433.822233][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) 
[433.822550][T18077] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[433.822874][T18077] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[433.823200][T18077] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  433.823606][T18077] RIP: 0033:0x7fb7217581e7
[ 433.823940][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)
[  433.825089][T18077] RSP: 002b:00007fff83bc8e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  433.825564][T18077] RAX: ffffffffffffffda RBX: 00007fff83bc95b0 RCX: 00007fb7217581e7
[  433.826035][T18077] RDX: 0000000000000000 RSI: 00007fff83bc8ef0 RDI: 0000000000000005
[  433.826529][T18077] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  433.827003][T18077] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff83bc95e8
[  433.827485][T18077] R13: 00000000686e1a03 R14: 0000000000499600 R15: 0000000000000000
| [  433.993818][T18080] ------------[ cut here ]------------
| [433.994200][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) 
| [  433.994835][T18080] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  433.995965][T18080] Tainted: [W]=WARN
[  433.996209][T18080] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[433.996610][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) 
[ 433.996960][T18080] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  433.998112][T18080] RSP: 0018:ffffc9000bb57080 EFLAGS: 00010246
[  433.998514][T18080] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  433.998997][T18080] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  433.999477][T18080] RBP: ffffc9000bb57168 R08: 0000000000000000 R09: 0000000000000000
[  433.999963][T18080] R10: ffffc9000bb57198 R11: ffffffff87ea8918 R12: 1ffff9200176ae14
[  434.000439][T18080] R13: 00000000000005dc R14: ffffc9000bb57198 R15: ffff88801a8f2f08
[  434.000910][T18080] FS:  00007f10da419800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  434.001480][T18080] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  434.001884][T18080] CR2: 00000000004a1738 CR3: 000000001a749006 CR4: 0000000000772ef0
[  434.002368][T18080] PKRU: 55555554
[  434.002605][T18080] Call Trace:
[  434.002869][T18080]  <TASK>
[434.003033][T18080] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[434.003363][T18080] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[434.003685][T18080] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[434.004116][T18080] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[434.004432][T18080] netif_set_mtu (net/core/dev.c:9652) 
[434.004746][T18080] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[434.005100][T18080] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[434.005545][T18080] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[434.005783][T18080] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[434.006224][T18080] br_add_if (net/bridge/br_if.c:697) bridge 
[434.006591][T18080] do_set_master (net/core/rtnetlink.c:2948) 
[434.006907][T18080] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[434.007237][T18080] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[434.007554][T18080] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[434.007866][T18080] ? __dev_get_by_name (net/core/dev.c:865) 
[434.008188][T18080] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[434.008502][T18080] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[434.008822][T18080] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[434.009142][T18080] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[434.009461][T18080] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[434.009799][T18080] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[434.010130][T18080] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[434.010458][T18080] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[434.010797][T18080] ? __lock_release (kernel/locking/lockdep.c:5539) 
[434.011124][T18080] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[434.011436][T18080] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[434.011753][T18080] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[434.012079][T18080] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[434.012398][T18080] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[434.012711][T18080] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[434.013026][T18080] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[434.013360][T18080] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[434.013679][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) 
[434.013994][T18080] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[434.014319][T18080] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[434.014632][T18080] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[434.014950][T18080] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[434.015282][T18080] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[434.015607][T18080] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[434.015937][T18080] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[434.016267][T18080] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[434.016581][T18080] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[434.016978][T18080] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[434.018065][T18080] ___sys_sendmsg (net/socket.c:2670) 
[434.018385][T18080] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[434.018695][T18080] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[434.019013][T18080] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[434.019338][T18080] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[434.019657][T18080] ? __handle_mm_fault (mm/memory.c:6212) 
[434.020016][T18080] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[434.020344][T18080] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[434.020679][T18080] __sys_sendmsg (net/socket.c:2700) 
[434.021000][T18080] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[434.021326][T18080] ? 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) 
[434.021655][T18080] ? 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) 
[434.021973][T18080] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[434.022316][T18080] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[434.022636][T18080] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  434.023032][T18080] RIP: 0033:0x7f10da5e61e7
[ 434.023368][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)
[  434.024532][T18080] RSP: 002b:00007ffe78307a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  434.025011][T18080] RAX: ffffffffffffffda RBX: 00007ffe78308170 RCX: 00007f10da5e61e7
[  434.025493][T18080] RDX: 0000000000000000 RSI: 00007ffe78307ab0 RDI: 0000000000000005
[  434.026067][T18080] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  434.026575][T18080] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe783081a8
[  434.027054][T18080] R13: 00000000686e1a03 R14: 0000000000499600 R15: 0000000000000000
| [  434.193556][T18081] ------------[ cut here ]------------
| [434.193903][T18081] WARNING: CPU: 2 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) 
| [  434.195845][T18081] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  434.197096][T18081] Tainted: [W]=WARN
[  434.197360][T18081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[434.197790][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) 
[ 434.198159][T18081] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  434.199351][T18081] RSP: 0018:ffffc9000ab07080 EFLAGS: 00010246
[  434.199801][T18081] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  434.200318][T18081] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  434.200833][T18081] RBP: ffffc9000ab07168 R08: 0000000000000000 R09: 0000000000000000
[  434.201358][T18081] R10: ffffc9000ab07198 R11: ffffffff87ea8918 R12: 1ffff92001560e14
[  434.201873][T18081] R13: 00000000000005dc R14: ffffc9000ab07198 R15: ffff88801a8f2f08
[  434.202397][T18081] FS:  00007fd9dd73b800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  434.203011][T18081] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  434.203439][T18081] CR2: 00000000004a1738 CR3: 0000000005408002 CR4: 0000000000772ef0
[  434.203924][T18081] PKRU: 55555554
[  434.204184][T18081] Call Trace:
[  434.204431][T18081]  <TASK>
[434.204607][T18081] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[434.204942][T18081] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[434.205280][T18081] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[434.205684][T18081] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[434.206017][T18081] netif_set_mtu (net/core/dev.c:9652) 
[434.206353][T18081] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[434.206693][T18081] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[434.207170][T18081] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[434.207428][T18081] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[434.207871][T18081] br_add_if (net/bridge/br_if.c:697) bridge 
[434.208264][T18081] do_set_master (net/core/rtnetlink.c:2948) 
[434.208588][T18081] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[434.208943][T18081] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[434.209290][T18081] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[434.209618][T18081] ? __dev_get_by_name (net/core/dev.c:865) 
[434.209962][T18081] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[434.210309][T18081] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[434.210652][T18081] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[434.210980][T18081] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[434.211323][T18081] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[434.211665][T18081] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[434.211998][T18081] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[434.212349][T18081] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[434.212676][T18081] ? __lock_release (kernel/locking/lockdep.c:5539) 
[434.213067][T18081] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[434.213414][T18081] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[434.213762][T18081] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[434.214131][T18081] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[434.214491][T18081] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[434.214838][T18081] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[434.215192][T18081] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[434.215559][T18081] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[434.215916][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) 
[434.216278][T18081] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[434.216629][T18081] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[434.216977][T18081] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[434.217339][T18081] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[434.217693][T18081] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[434.218058][T18081] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[434.218412][T18081] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[434.218762][T18081] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[434.219113][T18081] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[434.219542][T18081] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[434.219941][T18081] ___sys_sendmsg (net/socket.c:2670) 
[434.220296][T18081] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[434.220627][T18081] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[434.220957][T18081] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[434.221298][T18081] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[434.221631][T18081] ? __handle_mm_fault (mm/memory.c:6212) 
[434.221975][T18081] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[434.222316][T18081] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[434.222694][T18081] __sys_sendmsg (net/socket.c:2700) 
[434.223027][T18081] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[434.223363][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) 
[434.223700][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) 
[434.224026][T18081] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[434.224368][T18081] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[434.224696][T18081] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  434.225113][T18081] RIP: 0033:0x7fd9dd9081e7
[ 434.225449][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)
[  434.226622][T18081] RSP: 002b:00007ffda6dd75f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  434.227121][T18081] RAX: ffffffffffffffda RBX: 00007ffda6dd7d20 RCX: 00007fd9dd9081e7
[  434.227727][T18081] RDX: 0000000000000000 RSI: 00007ffda6dd7660 RDI: 0000000000000005
[  434.228223][T18081] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  434.228704][T18081] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda6dd7d58
[  434.229201][T18081] R13: 00000000686e1a03 R14: 0000000000499600 R15: 0000000000000000
| [  434.441254][T18084] ------------[ cut here ]------------
| [434.441587][T18084] WARNING: CPU: 2 PID: 18084 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) 
| [  434.442317][T18084] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  434.443514][T18084] Tainted: [W]=WARN
[  434.443779][T18084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[434.444204][T18084] 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) 
[ 434.444560][T18084] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  434.445720][T18084] RSP: 0018:ffffc9000bb57080 EFLAGS: 00010246
[  434.446197][T18084] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  434.446693][T18084] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  434.447200][T18084] RBP: ffffc9000bb57168 R08: 0000000000000000 R09: 0000000000000000
[  434.447703][T18084] R10: ffffc9000bb57198 R11: ffffffff87ea8918 R12: 1ffff9200176ae14
[  434.448204][T18084] R13: 00000000000005dc R14: ffffc9000bb57198 R15: ffff88801a8f2f08
[  434.448702][T18084] FS:  00007f2cf9337800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  434.449294][T18084] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  434.449712][T18084] CR2: 00000000004a1738 CR3: 000000001b192001 CR4: 0000000000772ef0
[  434.450230][T18084] PKRU: 55555554
[  434.450490][T18084] Call Trace:
[  434.450749][T18084]  <TASK>
[434.450931][T18084] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[434.451282][T18084] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[434.451621][T18084] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[434.452044][T18084] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[434.452396][T18084] netif_set_mtu (net/core/dev.c:9652) 
[434.452739][T18084] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[434.453088][T18084] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[434.453553][T18084] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[434.453804][T18084] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[434.454274][T18084] br_add_if (net/bridge/br_if.c:697) bridge 
[434.454667][T18084] do_set_master (net/core/rtnetlink.c:2948) 
[434.455018][T18084] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[434.455369][T18084] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[434.455702][T18084] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[434.456028][T18084] ? __dev_get_by_name (net/core/dev.c:865) 
[434.456363][T18084] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[434.456703][T18084] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[434.457038][T18084] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[434.457373][T18084] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[434.457706][T18084] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[434.458044][T18084] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[434.458385][T18084] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[434.458721][T18084] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[434.459044][T18084] ? __lock_release (kernel/locking/lockdep.c:5539) 
[434.459390][T18084] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[434.459731][T18084] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[434.460088][T18084] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[434.460423][T18084] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[434.460754][T18084] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[434.461092][T18084] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[434.461478][T18084] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[434.462074][T18084] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[434.462620][T18084] ? 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) 
[434.463194][T18084] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[434.463751][T18084] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[434.464345][T18084] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[434.464941][T18084] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[434.465479][T18084] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[434.466062][T18084] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[434.466657][T18084] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[434.467267][T18084] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[434.467836][T18084] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[434.468553][T18084] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[434.469176][T18084] ___sys_sendmsg (net/socket.c:2670) 
[434.469828][T18084] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[434.470451][T18084] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[434.471073][T18084] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[434.471632][T18084] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[434.472253][T18084] ? __handle_mm_fault (mm/memory.c:6212) 
[434.472854][T18084] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[434.473461][T18084] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[434.474102][T18084] __sys_sendmsg (net/socket.c:2700) 
[434.474711][T18084] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[434.475310][T18084] ? 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) 
[434.475888][T18084] ? 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) 
[434.476236][T18084] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[434.476574][T18084] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[434.476928][T18084] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  434.477352][T18084] RIP: 0033:0x7f2cf95041e7
[ 434.477697][T18084] 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)
[  434.479493][T18084] RSP: 002b:00007ffe704c8018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  434.480426][T18084] RAX: ffffffffffffffda RBX: 00007ffe704c8740 RCX: 00007f2cf95041e7
[  434.481230][T18084] RDX: 0000000000000000 RSI: 00007ffe704c8080 RDI: 0000000000000005
[  434.482023][T18084] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  434.482906][T18084] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe704c8778
[  434.483794][T18084] R13: 00000000686e1a04 R14: 0000000000499600 R15: 0000000000000000
| [  434.657778][T18086] ------------[ cut here ]------------
| [434.658438][T18086] WARNING: CPU: 2 PID: 18086 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) 
| [  434.659082][T18086] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  434.660305][T18086] Tainted: [W]=WARN
[  434.660555][T18086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[434.660980][T18086] 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) 
[ 434.661334][T18086] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  434.662465][T18086] RSP: 0018:ffffc9000ab07080 EFLAGS: 00010246
[  434.662883][T18086] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  434.663377][T18086] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  434.663899][T18086] RBP: ffffc9000ab07168 R08: 0000000000000000 R09: 0000000000000000
[  434.664403][T18086] R10: ffffc9000ab07198 R11: ffffffff87ea8918 R12: 1ffff92001560e14
[  434.664891][T18086] R13: 00000000000005dc R14: ffffc9000ab07198 R15: ffff88801a8f2f08
[  434.665388][T18086] FS:  00007f0aad4cd800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  434.665948][T18086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  434.666361][T18086] CR2: 00000000004a1738 CR3: 000000001aa8d005 CR4: 0000000000772ef0
[  434.666841][T18086] PKRU: 55555554
[  434.667114][T18086] Call Trace:
[  434.667362][T18086]  <TASK>
[434.667538][T18086] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[434.667905][T18086] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[434.668247][T18086] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[434.668659][T18086] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[434.668992][T18086] netif_set_mtu (net/core/dev.c:9652) 
[434.669336][T18086] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[434.669674][T18086] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[434.670159][T18086] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[434.670414][T18086] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[434.670857][T18086] br_add_if (net/bridge/br_if.c:697) bridge 
[434.671238][T18086] do_set_master (net/core/rtnetlink.c:2948) 
[434.671568][T18086] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[434.671936][T18086] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[434.672284][T18086] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[434.672623][T18086] ? __dev_get_by_name (net/core/dev.c:865) 
[434.672955][T18086] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[434.673298][T18086] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[434.673635][T18086] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[434.673959][T18086] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[434.674300][T18086] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[434.674637][T18086] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[434.674968][T18086] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[434.675315][T18086] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[434.675640][T18086] ? __lock_release (kernel/locking/lockdep.c:5539) 
[434.676006][T18086] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[434.676349][T18086] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[434.676713][T18086] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[434.677044][T18086] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[434.677391][T18086] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[434.677717][T18086] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[434.678058][T18086] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[434.678400][T18086] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[434.678736][T18086] ? 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) 
[434.679087][T18086] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[434.679419][T18086] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[434.679778][T18086] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[434.680150][T18086] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[434.680484][T18086] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[434.680812][T18086] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[434.681154][T18086] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[434.681486][T18086] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[434.681810][T18086] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[434.682230][T18086] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[434.682567][T18086] ___sys_sendmsg (net/socket.c:2670) 
[434.682902][T18086] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[434.683236][T18086] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[434.683567][T18086] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[434.683928][T18086] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[434.684271][T18086] ? __handle_mm_fault (mm/memory.c:6212) 
[434.684597][T18086] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[434.684927][T18086] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[434.685278][T18086] __sys_sendmsg (net/socket.c:2700) 
[434.685607][T18086] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[434.685928][T18086] ? 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) 
[434.686281][T18086] ? 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) 
[434.686611][T18086] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[434.686940][T18086] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[434.687280][T18086] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  434.687682][T18086] RIP: 0033:0x7f0aad69a1e7
[ 434.688068][T18086] 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)
[  434.689201][T18086] RSP: 002b:00007ffef3cf17d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  434.689696][T18086] RAX: ffffffffffffffda RBX: 00007ffef3cf1f00 RCX: 00007f0aad69a1e7
[  434.690199][T18086] RDX: 0000000000000000 RSI: 00007ffef3cf1840 RDI: 0000000000000005
[  434.690678][T18086] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  434.691169][T18086] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef3cf1f38
[  434.691659][T18086] R13: 00000000686e1a04 R14: 0000000000499600 R15: 0000000000000000
| [  434.881130][T18088] ------------[ cut here ]------------
| [434.881440][T18088] WARNING: CPU: 0 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) 
| [  434.882145][T18088] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  434.883276][T18088] Tainted: [W]=WARN
[  434.883513][T18088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[434.883908][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) 
[ 434.884238][T18088] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  434.885363][T18088] RSP: 0018:ffffc9000bb57080 EFLAGS: 00010246
[  434.885761][T18088] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  434.886237][T18088] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  434.886721][T18088] RBP: ffffc9000bb57168 R08: 0000000000000000 R09: 0000000000000000
[  434.887196][T18088] R10: ffffc9000bb57198 R11: ffffffff87ea8918 R12: 1ffff9200176ae14
[  434.887662][T18088] R13: 00000000000005dc R14: ffffc9000bb57198 R15: ffff88801a8f2f08
[  434.888138][T18088] FS:  00007fb964c36800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  434.888690][T18088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  434.889093][T18088] CR2: 00000000004a1738 CR3: 000000001b812004 CR4: 0000000000772ef0
[  434.889562][T18088] PKRU: 55555554
[  434.889809][T18088] Call Trace:
[  434.890043][T18088]  <TASK>
[434.890215][T18088] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[434.890536][T18088] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[434.890854][T18088] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[434.891256][T18088] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[434.891577][T18088] netif_set_mtu (net/core/dev.c:9652) 
[434.891894][T18088] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[434.892226][T18088] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[434.892677][T18088] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[434.892914][T18088] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[434.893351][T18088] br_add_if (net/bridge/br_if.c:697) bridge 
[434.893715][T18088] do_set_master (net/core/rtnetlink.c:2948) 
[434.894032][T18088] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[434.894356][T18088] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[434.894671][T18088] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[434.894982][T18088] ? __dev_get_by_name (net/core/dev.c:865) 
[434.895305][T18088] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[434.895625][T18088] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[434.895946][T18088] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[434.896263][T18088] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[434.896582][T18088] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[434.896909][T18088] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[434.897238][T18088] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[434.897563][T18088] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[434.897875][T18088] ? __lock_release (kernel/locking/lockdep.c:5539) 
[434.898196][T18088] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[434.898505][T18088] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[434.898820][T18088] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[434.899150][T18088] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[434.899476][T18088] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[434.899801][T18088] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[434.900128][T18088] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[434.900453][T18088] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[434.900761][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) 
[434.901093][T18088] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[434.901413][T18088] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[434.901733][T18088] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[434.902065][T18088] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[434.902382][T18088] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[434.902697][T18088] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[434.903016][T18088] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[434.903341][T18088] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[434.903654][T18088] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[434.904058][T18088] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[434.904380][T18088] ___sys_sendmsg (net/socket.c:2670) 
[434.904694][T18088] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[434.905006][T18088] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[434.905328][T18088] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[434.905645][T18088] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[434.905970][T18088] ? __handle_mm_fault (mm/memory.c:6212) 
[434.906297][T18088] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[434.906612][T18088] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[434.906944][T18088] __sys_sendmsg (net/socket.c:2700) 
[434.907266][T18088] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[434.907588][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) 
[434.907914][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) 
[434.908243][T18088] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[434.908566][T18088] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[434.908887][T18088] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  434.909294][T18088] RIP: 0033:0x7fb964e031e7
[ 434.909622][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)
[  434.910761][T18088] RSP: 002b:00007fffa6afe818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  434.911243][T18088] RAX: ffffffffffffffda RBX: 00007fffa6afef40 RCX: 00007fb964e031e7
[  434.911720][T18088] RDX: 0000000000000000 RSI: 00007fffa6afe880 RDI: 0000000000000005
[  434.912212][T18088] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  434.912687][T18088] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffa6afef78
[  434.913192][T18088] R13: 00000000686e1a04 R14: 0000000000499600 R15: 0000000000000000
| [  435.050259][T18089] ------------[ cut here ]------------
| [435.050585][T18089] WARNING: CPU: 0 PID: 18089 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) 
| [  435.051214][T18089] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  435.052378][T18089] Tainted: [W]=WARN
[  435.052615][T18089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[435.053012][T18089] 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) 
[ 435.053343][T18089] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  435.054475][T18089] RSP: 0018:ffffc9000bb57080 EFLAGS: 00010246
[  435.054873][T18089] RAX: 0000000000000000 RBX: ffff88801a8f2000 RCX: 0000000000000001
[  435.055399][T18089] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  435.055880][T18089] RBP: ffffc9000bb57168 R08: 0000000000000000 R09: 0000000000000000
[  435.056361][T18089] R10: ffffc9000bb57198 R11: ffffffff87ea8918 R12: 1ffff9200176ae14
[  435.056851][T18089] R13: 00000000000005dc R14: ffffc9000bb57198 R15: ffff88801a8f2f08
[  435.057330][T18089] FS:  00007f7420023800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  435.057903][T18089] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  435.058306][T18089] CR2: 00000000004a1738 CR3: 000000001a94e004 CR4: 0000000000772ef0
[  435.058781][T18089] PKRU: 55555554
[  435.059017][T18089] Call Trace:
[  435.059263][T18089]  <TASK>
[435.059429][T18089] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[435.059769][T18089] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[435.060102][T18089] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[435.060498][T18089] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[435.060815][T18089] netif_set_mtu (net/core/dev.c:9652) 
[435.061162][T18089] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[435.061495][T18089] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[435.061965][T18089] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[435.062218][T18089] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[435.062651][T18089] br_add_if (net/bridge/br_if.c:697) bridge 
[435.063018][T18089] do_set_master (net/core/rtnetlink.c:2948) 
[435.063348][T18089] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[435.063672][T18089] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[435.063996][T18089] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[435.064321][T18089] ? __dev_get_by_name (net/core/dev.c:865) 
[435.064635][T18089] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[435.064965][T18089] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[435.065297][T18089] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[435.065617][T18089] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[435.065936][T18089] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[435.066273][T18089] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[435.066600][T18089] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[435.066927][T18089] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[435.067251][T18089] ? __lock_release (kernel/locking/lockdep.c:5539) 
[435.067570][T18089] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[435.067888][T18089] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[435.068215][T18089] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[435.068535][T18089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[435.068858][T18089] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[435.069185][T18089] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[435.069517][T18089] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[435.069865][T18089] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[435.070187][T18089] ? 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) 
[435.070518][T18089] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[435.070838][T18089] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[435.071160][T18089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[435.071482][T18089] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[435.071808][T18089] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[435.072149][T18089] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[435.072476][T18089] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[435.072801][T18089] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[435.073124][T18089] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[435.073524][T18089] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[435.073844][T18089] ___sys_sendmsg (net/socket.c:2670) 
[435.074173][T18089] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[435.074488][T18089] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[435.074805][T18089] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[435.075134][T18089] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[435.075454][T18089] ? __handle_mm_fault (mm/memory.c:6212) 
[435.075769][T18089] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[435.076089][T18089] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[435.076423][T18089] __sys_sendmsg (net/socket.c:2700) 
[435.076736][T18089] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[435.077068][T18089] ? 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) 
[435.077392][T18089] ? 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) 
[435.077717][T18089] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[435.078034][T18089] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[435.078358][T18089] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  435.078747][T18089] RIP: 0033:0x7f74201f01e7
[ 435.079082][T18089] 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)
[  435.080227][T18089] RSP: 002b:00007fff694ed658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  435.080705][T18089] RAX: ffffffffffffffda RBX: 00007fff694edd80 RCX: 00007f74201f01e7
[  435.081185][T18089] RDX: 0000000000000000 RSI: 00007fff694ed6c0 RDI: 0000000000000005
[  435.081661][T18089] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  435.082141][T18089] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff694eddb8
[  435.082613][T18089] R13: 00000000686e1a04 R14: 0000000000499600 R15: 0000000000000000
| [  435.462326][T18095] ------------[ cut here ]------------
| [435.462659][T18095] WARNING: CPU: 2 PID: 18095 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) 
| [  435.463463][T18095] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  435.464661][T18095] Tainted: [W]=WARN
[  435.464915][T18095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[435.465333][T18095] 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) 
[ 435.465674][T18095] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  435.466811][T18095] RSP: 0018:ffffc9000bb47080 EFLAGS: 00010246
[  435.467236][T18095] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  435.467727][T18095] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  435.468248][T18095] RBP: ffffc9000bb47168 R08: 0000000000000000 R09: 0000000000000000
[  435.468737][T18095] R10: ffffc9000bb47198 R11: ffffffff87ea8918 R12: 1ffff92001768e14
[  435.469234][T18095] R13: 00000000000005dc R14: ffffc9000bb47198 R15: ffff88800f862f08
[  435.469723][T18095] FS:  00007f5707a6b800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  435.470304][T18095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  435.470713][T18095] CR2: 00000000004a1738 CR3: 000000000eee5006 CR4: 0000000000772ef0
[  435.471205][T18095] PKRU: 55555554
[  435.471456][T18095] Call Trace:
[  435.471702][T18095]  <TASK>
[435.471880][T18095] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[435.472225][T18095] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[435.472555][T18095] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[435.472958][T18095] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[435.473298][T18095] netif_set_mtu (net/core/dev.c:9652) 
[435.473627][T18095] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[435.473965][T18095] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[435.474441][T18095] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[435.474694][T18095] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[435.475147][T18095] br_add_if (net/bridge/br_if.c:697) bridge 
[435.475525][T18095] do_set_master (net/core/rtnetlink.c:2948) 
[435.475861][T18095] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[435.476201][T18095] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[435.476541][T18095] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[435.476863][T18095] ? __dev_get_by_name (net/core/dev.c:865) 
[435.477210][T18095] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[435.477553][T18095] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[435.477889][T18095] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[435.478229][T18095] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[435.478568][T18095] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[435.478903][T18095] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[435.479246][T18095] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[435.479588][T18095] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[435.479926][T18095] ? __lock_release (kernel/locking/lockdep.c:5539) 
[435.480264][T18095] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[435.480596][T18095] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[435.480930][T18095] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[435.481271][T18095] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[435.481603][T18095] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[435.481931][T18095] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[435.482276][T18095] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[435.482620][T18095] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[435.482946][T18095] ? 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) 
[435.483289][T18095] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[435.483617][T18095] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[435.483941][T18095] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[435.484280][T18095] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[435.484619][T18095] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[435.484960][T18095] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[435.485309][T18095] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[435.485645][T18095] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[435.485971][T18095] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[435.486393][T18095] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[435.486730][T18095] ___sys_sendmsg (net/socket.c:2670) 
[435.487071][T18095] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[435.487400][T18095] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[435.487731][T18095] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[435.488067][T18095] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[435.488397][T18095] ? __handle_mm_fault (mm/memory.c:6212) 
[435.488748][T18095] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[435.489083][T18095] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[435.489428][T18095] __sys_sendmsg (net/socket.c:2700) 
[435.489761][T18095] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[435.490122][T18095] ? 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) 
[435.490456][T18095] ? 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) 
[435.490785][T18095] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[435.491122][T18095] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[435.491453][T18095] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  435.491872][T18095] RIP: 0033:0x7f5707c381e7
[ 435.492220][T18095] 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)
[  435.493358][T18095] RSP: 002b:00007ffc513f7c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  435.493895][T18095] RAX: ffffffffffffffda RBX: 00007ffc513f83c0 RCX: 00007f5707c381e7
[  435.494388][T18095] RDX: 0000000000000000 RSI: 00007ffc513f7d00 RDI: 0000000000000005
[  435.494871][T18095] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  435.495362][T18095] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc513f83f8
[  435.495851][T18095] R13: 00000000686e1a05 R14: 0000000000499600 R15: 0000000000000000
| [  435.640185][T18096] ------------[ cut here ]------------
| [435.640519][T18096] WARNING: CPU: 2 PID: 18096 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) 
| [  435.641165][T18096] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  435.642325][T18096] Tainted: [W]=WARN
[  435.642585][T18096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[435.643001][T18096] 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) 
[ 435.643351][T18096] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  435.644499][T18096] RSP: 0018:ffffc9000ab07080 EFLAGS: 00010246
[  435.644913][T18096] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  435.645410][T18096] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  435.645900][T18096] RBP: ffffc9000ab07168 R08: 0000000000000000 R09: 0000000000000000
[  435.646395][T18096] R10: ffffc9000ab07198 R11: ffffffff87ea8918 R12: 1ffff92001560e14
[  435.646886][T18096] R13: 00000000000005dc R14: ffffc9000ab07198 R15: ffff88800f862f08
[  435.647392][T18096] FS:  00007f4b050db800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  435.647952][T18096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  435.648388][T18096] CR2: 00000000004a1738 CR3: 000000000eee5004 CR4: 0000000000772ef0
[  435.648871][T18096] PKRU: 55555554
[  435.649129][T18096] Call Trace:
[  435.649385][T18096]  <TASK>
[435.649562][T18096] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[435.649912][T18096] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[435.650266][T18096] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[435.650677][T18096] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[435.651010][T18096] netif_set_mtu (net/core/dev.c:9652) 
[435.651348][T18096] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[435.651695][T18096] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[435.652161][T18096] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[435.652417][T18096] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[435.652857][T18096] br_add_if (net/bridge/br_if.c:697) bridge 
[435.653266][T18096] do_set_master (net/core/rtnetlink.c:2948) 
[435.653596][T18096] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[435.653928][T18096] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[435.654267][T18096] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[435.654593][T18096] ? __dev_get_by_name (net/core/dev.c:865) 
[435.654921][T18096] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[435.655268][T18096] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[435.655604][T18096] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[435.655932][T18096] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[435.656275][T18096] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[435.656611][T18096] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[435.656945][T18096] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[435.657290][T18096] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[435.657618][T18096] ? __lock_release (kernel/locking/lockdep.c:5539) 
[435.657947][T18096] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[435.658287][T18096] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[435.658615][T18096] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[435.658946][T18096] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[435.659284][T18096] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[435.659612][T18096] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[435.659945][T18096] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[435.660292][T18096] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[435.660626][T18096] ? 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) 
[435.660961][T18096] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[435.661299][T18096] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[435.661628][T18096] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[435.661959][T18096] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[435.662295][T18096] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[435.662625][T18096] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[435.662959][T18096] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[435.663310][T18096] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[435.663639][T18096] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[435.664059][T18096] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[435.664397][T18096] ___sys_sendmsg (net/socket.c:2670) 
[435.664735][T18096] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[435.665082][T18096] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[435.665416][T18096] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[435.665745][T18096] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[435.666082][T18096] ? __handle_mm_fault (mm/memory.c:6212) 
[435.666413][T18096] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[435.666738][T18096] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[435.667091][T18096] __sys_sendmsg (net/socket.c:2700) 
[435.667420][T18096] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[435.667757][T18096] ? 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) 
[435.668107][T18096] ? 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) 
[435.668439][T18096] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[435.668774][T18096] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[435.669116][T18096] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  435.669526][T18096] RIP: 0033:0x7f4b052a81e7
[ 435.669927][T18096] 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)
[  435.671080][T18096] RSP: 002b:00007fffb061e4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  435.671576][T18096] RAX: ffffffffffffffda RBX: 00007fffb061ec20 RCX: 00007f4b052a81e7
[  435.672086][T18096] RDX: 0000000000000000 RSI: 00007fffb061e560 RDI: 0000000000000005
[  435.672582][T18096] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  435.673074][T18096] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb061ec58
[  435.673558][T18096] R13: 00000000686e1a05 R14: 0000000000499600 R15: 0000000000000000
| [  435.818160][T18098] ------------[ cut here ]------------
| [435.818490][T18098] WARNING: CPU: 2 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) 
| [  435.819912][T18098] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  435.821080][T18098] Tainted: [W]=WARN
[  435.821334][T18098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[435.821759][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) 
[ 435.822112][T18098] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  435.823262][T18098] RSP: 0018:ffffc9000ba77080 EFLAGS: 00010246
[  435.823674][T18098] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  435.824170][T18098] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  435.824659][T18098] RBP: ffffc9000ba77168 R08: 0000000000000000 R09: 0000000000000000
[  435.825156][T18098] R10: ffffc9000ba77198 R11: ffffffff87ea8918 R12: 1ffff9200174ee14
[  435.825657][T18098] R13: 00000000000005dc R14: ffffc9000ba77198 R15: ffff88800f862f08
[  435.826161][T18098] FS:  00007fc52cba2800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  435.826725][T18098] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  435.827151][T18098] CR2: 00000000004a1738 CR3: 0000000019fc5002 CR4: 0000000000772ef0
[  435.827645][T18098] PKRU: 55555554
[  435.827896][T18098] Call Trace:
[  435.828168][T18098]  <TASK>
[435.828353][T18098] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[435.828706][T18098] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[435.829040][T18098] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[435.829468][T18098] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[435.829812][T18098] netif_set_mtu (net/core/dev.c:9652) 
[435.830151][T18098] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[435.830500][T18098] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[435.830965][T18098] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[435.831238][T18098] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[435.831687][T18098] br_add_if (net/bridge/br_if.c:697) bridge 
[435.832074][T18098] do_set_master (net/core/rtnetlink.c:2948) 
[435.832422][T18098] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[435.832755][T18098] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[435.833096][T18098] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[435.833428][T18098] ? __dev_get_by_name (net/core/dev.c:865) 
[435.833753][T18098] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[435.834090][T18098] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[435.834427][T18098] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[435.834753][T18098] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[435.835100][T18098] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[435.835439][T18098] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[435.835768][T18098] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[435.836121][T18098] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[435.836467][T18098] ? __lock_release (kernel/locking/lockdep.c:5539) 
[435.836813][T18098] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[435.837162][T18098] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[435.837499][T18098] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[435.837829][T18098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[435.838180][T18098] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[435.838508][T18098] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[435.838838][T18098] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[435.839207][T18098] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[435.839539][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) 
[435.839885][T18098] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[435.840228][T18098] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[435.840554][T18098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[435.840889][T18098] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[435.841229][T18098] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[435.841568][T18098] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[435.841920][T18098] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[435.842279][T18098] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[435.842608][T18098] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[435.843035][T18098] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[435.843378][T18098] ___sys_sendmsg (net/socket.c:2670) 
[435.843706][T18098] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[435.844030][T18098] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[435.844371][T18098] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[435.844696][T18098] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[435.845028][T18098] ? __handle_mm_fault (mm/memory.c:6212) 
[435.845379][T18098] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[435.845705][T18098] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[435.846073][T18098] __sys_sendmsg (net/socket.c:2700) 
[435.846405][T18098] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[435.846735][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) 
[435.847081][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) 
[435.847409][T18098] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[435.847750][T18098] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[435.848089][T18098] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  435.848496][T18098] RIP: 0033:0x7fc52cd6f1e7
[ 435.848833][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)
[  435.849991][T18098] RSP: 002b:00007fffe93fd788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  435.850493][T18098] RAX: ffffffffffffffda RBX: 00007fffe93fdeb0 RCX: 00007fc52cd6f1e7
[  435.850993][T18098] RDX: 0000000000000000 RSI: 00007fffe93fd7f0 RDI: 0000000000000005
[  435.851484][T18098] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  435.851973][T18098] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe93fdee8
[  435.852464][T18098] R13: 00000000686e1a05 R14: 0000000000499600 R15: 0000000000000000
| [  436.024269][T18100] ------------[ cut here ]------------
| [436.024586][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) 
| [  436.025208][T18100] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  436.026332][T18100] Tainted: [W]=WARN
[  436.026575][T18100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[436.026969][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) 
[ 436.027298][T18100] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  436.028412][T18100] RSP: 0018:ffffc9000ab07080 EFLAGS: 00010246
[  436.028811][T18100] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  436.029292][T18100] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  436.029767][T18100] RBP: ffffc9000ab07168 R08: 0000000000000000 R09: 0000000000000000
[  436.030244][T18100] R10: ffffc9000ab07198 R11: ffffffff87ea8918 R12: 1ffff92001560e14
[  436.030719][T18100] R13: 00000000000005dc R14: ffffc9000ab07198 R15: ffff88800f862f08
[  436.031197][T18100] FS:  00007fc6265d1800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  436.031745][T18100] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  436.032148][T18100] CR2: 00000000004a1738 CR3: 0000000019fc5003 CR4: 0000000000772ef0
[  436.032626][T18100] PKRU: 55555554
[  436.032864][T18100] Call Trace:
[  436.033109][T18100]  <TASK>
[436.033273][T18100] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[436.033595][T18100] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[436.033923][T18100] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[436.034325][T18100] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[436.034641][T18100] netif_set_mtu (net/core/dev.c:9652) 
[436.034960][T18100] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[436.035294][T18100] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[436.035737][T18100] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[436.035978][T18100] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[436.036417][T18100] br_add_if (net/bridge/br_if.c:697) bridge 
[436.036784][T18100] do_set_master (net/core/rtnetlink.c:2948) 
[436.037113][T18100] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[436.037436][T18100] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[436.037752][T18100] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[436.038070][T18100] ? __dev_get_by_name (net/core/dev.c:865) 
[436.038384][T18100] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[436.038696][T18100] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[436.039014][T18100] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[436.039333][T18100] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[436.039657][T18100] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[436.039990][T18100] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[436.040316][T18100] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[436.040644][T18100] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[436.040956][T18100] ? __lock_release (kernel/locking/lockdep.c:5539) 
[436.041279][T18100] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[436.041591][T18100] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[436.041910][T18100] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[436.042240][T18100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.042558][T18100] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[436.042894][T18100] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[436.043227][T18100] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[436.043554][T18100] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[436.043866][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) 
[436.044195][T18100] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[436.044515][T18100] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[436.044829][T18100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.045157][T18100] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[436.045476][T18100] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[436.045789][T18100] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[436.046119][T18100] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[436.046435][T18100] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[436.046758][T18100] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[436.047163][T18100] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[436.047487][T18100] ___sys_sendmsg (net/socket.c:2670) 
[436.047804][T18100] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[436.048125][T18100] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[436.048440][T18100] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[436.048751][T18100] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[436.049082][T18100] ? __handle_mm_fault (mm/memory.c:6212) 
[436.049396][T18100] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[436.049708][T18100] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[436.050065][T18100] __sys_sendmsg (net/socket.c:2700) 
[436.050378][T18100] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[436.050689][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) 
[436.051019][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) 
[436.051344][T18100] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[436.051660][T18100] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[436.051974][T18100] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  436.052370][T18100] RIP: 0033:0x7fc62679e1e7
[ 436.052694][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)
[  436.053821][T18100] RSP: 002b:00007ffce7932078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  436.054302][T18100] RAX: ffffffffffffffda RBX: 00007ffce79327a0 RCX: 00007fc62679e1e7
[  436.054771][T18100] RDX: 0000000000000000 RSI: 00007ffce79320e0 RDI: 0000000000000005
[  436.055244][T18100] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  436.055716][T18100] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffce79327d8
[  436.056194][T18100] R13: 00000000686e1a05 R14: 0000000000499600 R15: 0000000000000000
| [  436.231479][T18102] ------------[ cut here ]------------
| [436.231806][T18102] WARNING: CPU: 2 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) 
| [  436.232460][T18102] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  436.233615][T18102] Tainted: [W]=WARN
[  436.233867][T18102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[436.234286][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) 
[ 436.234624][T18102] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  436.235758][T18102] RSP: 0018:ffffc9000ba77080 EFLAGS: 00010246
[  436.236173][T18102] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  436.236652][T18102] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  436.237144][T18102] RBP: ffffc9000ba77168 R08: 0000000000000000 R09: 0000000000000000
[  436.237623][T18102] R10: ffffc9000ba77198 R11: ffffffff87ea8918 R12: 1ffff9200174ee14
[  436.238109][T18102] R13: 00000000000005dc R14: ffffc9000ba77198 R15: ffff88800f862f08
[  436.238589][T18102] FS:  00007fd1e74ab800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  436.239159][T18102] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  436.239567][T18102] CR2: 00000000004a1738 CR3: 0000000019fc5004 CR4: 0000000000772ef0
[  436.240065][T18102] PKRU: 55555554
[  436.240315][T18102] Call Trace:
[  436.240563][T18102]  <TASK>
[436.240740][T18102] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[436.241091][T18102] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[436.241425][T18102] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[436.241831][T18102] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[436.242173][T18102] netif_set_mtu (net/core/dev.c:9652) 
[436.242502][T18102] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[436.242839][T18102] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[436.243322][T18102] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[436.243577][T18102] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[436.244027][T18102] br_add_if (net/bridge/br_if.c:697) bridge 
[436.244424][T18102] do_set_master (net/core/rtnetlink.c:2948) 
[436.244752][T18102] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[436.245095][T18102] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[436.245443][T18102] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[436.245769][T18102] ? __dev_get_by_name (net/core/dev.c:865) 
[436.246110][T18102] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[436.246439][T18102] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[436.246771][T18102] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[436.247103][T18102] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[436.247436][T18102] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[436.247775][T18102] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[436.248112][T18102] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[436.248452][T18102] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[436.248777][T18102] ? __lock_release (kernel/locking/lockdep.c:5539) 
[436.249112][T18102] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[436.249434][T18102] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[436.249774][T18102] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[436.250114][T18102] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.250451][T18102] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[436.250780][T18102] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[436.251121][T18102] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[436.251461][T18102] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[436.251789][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) 
[436.252130][T18102] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[436.252461][T18102] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[436.252788][T18102] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.253131][T18102] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[436.253462][T18102] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[436.253790][T18102] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[436.254136][T18102] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[436.254466][T18102] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[436.254792][T18102] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[436.255210][T18102] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[436.255543][T18102] ___sys_sendmsg (net/socket.c:2670) 
[436.255869][T18102] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[436.256204][T18102] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[436.256528][T18102] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[436.256855][T18102] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[436.257195][T18102] ? __handle_mm_fault (mm/memory.c:6212) 
[436.257526][T18102] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[436.257850][T18102] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[436.258202][T18102] __sys_sendmsg (net/socket.c:2700) 
[436.258531][T18102] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[436.258858][T18102] ? 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) 
[436.259201][T18102] ? 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) 
[436.259537][T18102] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[436.259882][T18102] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[436.260220][T18102] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  436.260627][T18102] RIP: 0033:0x7fd1e76781e7
[ 436.260964][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)
[  436.262105][T18102] RSP: 002b:00007ffe9fe8cc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  436.262595][T18102] RAX: ffffffffffffffda RBX: 00007ffe9fe8d390 RCX: 00007fd1e76781e7
[  436.263094][T18102] RDX: 0000000000000000 RSI: 00007ffe9fe8ccd0 RDI: 0000000000000005
[  436.263578][T18102] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  436.264069][T18102] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9fe8d3c8
[  436.264559][T18102] R13: 00000000686e1a06 R14: 0000000000499600 R15: 0000000000000000
| [  436.398875][T18104] ------------[ cut here ]------------
| [436.399360][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) 
| [  436.400209][T18104] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  436.401342][T18104] Tainted: [W]=WARN
[  436.401581][T18104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[436.401978][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) 
[ 436.402314][T18104] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  436.403469][T18104] RSP: 0018:ffffc9000ab17080 EFLAGS: 00010246
[  436.403867][T18104] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  436.404349][T18104] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  436.404824][T18104] RBP: ffffc9000ab17168 R08: 0000000000000000 R09: 0000000000000000
[  436.405305][T18104] R10: ffffc9000ab17198 R11: ffffffff87ea8918 R12: 1ffff92001562e14
[  436.405774][T18104] R13: 00000000000005dc R14: ffffc9000ab17198 R15: ffff88800f862f08
[  436.406250][T18104] FS:  00007f5e4fcbe800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  436.406805][T18104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  436.407214][T18104] CR2: 00007f5e4fed25c0 CR3: 000000000edc2002 CR4: 0000000000772ef0
[  436.407690][T18104] PKRU: 55555554
[  436.407925][T18104] Call Trace:
[  436.408170][T18104]  <TASK>
[436.408334][T18104] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[436.408668][T18104] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[436.408983][T18104] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[436.409383][T18104] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[436.409702][T18104] netif_set_mtu (net/core/dev.c:9652) 
[436.410031][T18104] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[436.410375][T18104] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[436.410820][T18104] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[436.411068][T18104] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[436.411507][T18104] br_add_if (net/bridge/br_if.c:697) bridge 
[436.411887][T18104] do_set_master (net/core/rtnetlink.c:2948) 
[436.412227][T18104] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[436.412560][T18104] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[436.412894][T18104] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[436.413229][T18104] ? __dev_get_by_name (net/core/dev.c:865) 
[436.413556][T18104] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[436.413885][T18104] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[436.414227][T18104] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[436.414562][T18104] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[436.414900][T18104] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[436.415233][T18104] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[436.415555][T18104] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[436.415880][T18104] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[436.416201][T18104] ? __lock_release (kernel/locking/lockdep.c:5539) 
[436.416522][T18104] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[436.416838][T18104] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[436.417164][T18104] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[436.417490][T18104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.417807][T18104] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[436.418130][T18104] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[436.418450][T18104] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[436.418794][T18104] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[436.419159][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) 
[436.419500][T18104] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[436.419864][T18104] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[436.420207][T18104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.420545][T18104] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[436.420882][T18104] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[436.421231][T18104] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[436.421585][T18104] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[436.421923][T18104] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[436.422269][T18104] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[436.422697][T18104] ___sys_sendmsg (net/socket.c:2670) 
[436.423031][T18104] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[436.423375][T18104] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[436.423711][T18104] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[436.424036][T18104] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[436.424381][T18104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.424720][T18104] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[436.425044][T18104] __sys_sendmsg (net/socket.c:2700) 
[436.425366][T18104] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[436.425695][T18104] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[436.426013][T18104] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[436.426338][T18104] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  436.426738][T18104] RIP: 0033:0x7f5e4fe8b1e7
[ 436.427073][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)
[  436.428282][T18104] RSP: 002b:00007ffe079f1448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  436.428789][T18104] RAX: ffffffffffffffda RBX: 00007ffe079f1b70 RCX: 00007f5e4fe8b1e7
[  436.429272][T18104] RDX: 0000000000000000 RSI: 00007ffe079f14b0 RDI: 0000000000000005
[  436.429760][T18104] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  436.430251][T18104] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe079f1ba8
[  436.430739][T18104] R13: 00000000686e1a06 R14: 0000000000499600 R15: 0000000000000000
| [  436.582583][T18106] ------------[ cut here ]------------
| [436.582911][T18106] WARNING: CPU: 3 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) 
| [  436.583604][T18106] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  436.584798][T18106] Tainted: [W]=WARN
[  436.585055][T18106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[436.585479][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) 
[ 436.585816][T18106] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  436.587011][T18106] RSP: 0018:ffffc90004957080 EFLAGS: 00010246
[  436.587435][T18106] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  436.587940][T18106] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  436.588440][T18106] RBP: ffffc90004957168 R08: 0000000000000000 R09: 0000000000000000
[  436.588964][T18106] R10: ffffc90004957198 R11: ffffffff87ea8918 R12: 1ffff9200092ae14
[  436.589479][T18106] R13: 00000000000005dc R14: ffffc90004957198 R15: ffff88800f862f08
[  436.589997][T18106] FS:  00007fc28c2a6800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  436.590608][T18106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  436.591036][T18106] CR2: 00007fb4a9d47b30 CR3: 0000000019b33002 CR4: 0000000000772ef0
[  436.591569][T18106] PKRU: 55555554
[  436.591829][T18106] Call Trace:
[  436.592086][T18106]  <TASK>
[436.592257][T18106] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[436.592607][T18106] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[436.592948][T18106] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[436.593367][T18106] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[436.593723][T18106] netif_set_mtu (net/core/dev.c:9652) 
[436.594074][T18106] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[436.594419][T18106] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[436.594895][T18106] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[436.595159][T18106] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[436.595627][T18106] br_add_if (net/bridge/br_if.c:697) bridge 
[436.596029][T18106] do_set_master (net/core/rtnetlink.c:2948) 
[436.596374][T18106] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[436.596734][T18106] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[436.597082][T18106] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[436.597413][T18106] ? __dev_get_by_name (net/core/dev.c:865) 
[436.597764][T18106] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[436.598104][T18106] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[436.598441][T18106] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[436.598786][T18106] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[436.599138][T18106] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[436.599486][T18106] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[436.599863][T18106] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[436.600221][T18106] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[436.600550][T18106] ? __lock_release (kernel/locking/lockdep.c:5539) 
[436.600906][T18106] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[436.601248][T18106] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[436.601581][T18106] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[436.601924][T18106] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.602261][T18106] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[436.602590][T18106] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[436.602929][T18106] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[436.603275][T18106] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[436.603591][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) 
[436.603921][T18106] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[436.604247][T18106] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[436.604566][T18106] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.604901][T18106] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[436.605228][T18106] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[436.605564][T18106] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[436.605920][T18106] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[436.606265][T18106] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[436.606588][T18106] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[436.607000][T18106] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[436.607336][T18106] ___sys_sendmsg (net/socket.c:2670) 
[436.607653][T18106] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[436.607986][T18106] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[436.608310][T18106] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[436.608635][T18106] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[436.608993][T18106] ? __handle_mm_fault (mm/memory.c:6212) 
[436.609354][T18106] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[436.609690][T18106] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[436.610086][T18106] __sys_sendmsg (net/socket.c:2700) 
[436.610419][T18106] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[436.610749][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) 
[436.611115][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) 
[436.611452][T18106] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[436.611793][T18106] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[436.612144][T18106] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  436.612557][T18106] RIP: 0033:0x7fc28c4731e7
[ 436.612895][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)
[  436.614118][T18106] RSP: 002b:00007ffdc27b4dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  436.614621][T18106] RAX: ffffffffffffffda RBX: 00007ffdc27b54f0 RCX: 00007fc28c4731e7
[  436.615146][T18106] RDX: 0000000000000000 RSI: 00007ffdc27b4e30 RDI: 0000000000000005
[  436.615644][T18106] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  436.616167][T18106] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc27b5528
[  436.616670][T18106] R13: 00000000686e1a06 R14: 0000000000499600 R15: 0000000000000000
| [  436.775409][T18108] ------------[ cut here ]------------
| [436.775723][T18108] WARNING: CPU: 3 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) 
| [  436.776408][T18108] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  436.777570][T18108] Tainted: [W]=WARN
[  436.777809][T18108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[436.778228][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) 
[ 436.778567][T18108] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  436.779708][T18108] RSP: 0018:ffffc9000aae7080 EFLAGS: 00010246
[  436.780135][T18108] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  436.780627][T18108] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  436.781125][T18108] RBP: ffffc9000aae7168 R08: 0000000000000000 R09: 0000000000000000
[  436.781634][T18108] R10: ffffc9000aae7198 R11: ffffffff87ea8918 R12: 1ffff9200155ce14
[  436.782116][T18108] R13: 00000000000005dc R14: ffffc9000aae7198 R15: ffff88800f862f08
[  436.782614][T18108] FS:  00007f206dd26800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  436.783175][T18108] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  436.783588][T18108] CR2: 00007fb4a9c88a00 CR3: 00000000093c8004 CR4: 0000000000772ef0
[  436.784072][T18108] PKRU: 55555554
[  436.784323][T18108] Call Trace:
[  436.784565][T18108]  <TASK>
[436.784734][T18108] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[436.785067][T18108] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[436.785406][T18108] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[436.785802][T18108] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[436.786129][T18108] netif_set_mtu (net/core/dev.c:9652) 
[436.786458][T18108] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[436.786784][T18108] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[436.787239][T18108] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[436.787496][T18108] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[436.787932][T18108] br_add_if (net/bridge/br_if.c:697) bridge 
[436.788315][T18108] do_set_master (net/core/rtnetlink.c:2948) 
[436.788652][T18108] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[436.788972][T18108] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[436.789314][T18108] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[436.789651][T18108] ? __dev_get_by_name (net/core/dev.c:865) 
[436.789989][T18108] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[436.790320][T18108] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[436.790664][T18108] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[436.790980][T18108] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[436.791310][T18108] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[436.791663][T18108] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[436.791986][T18108] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[436.792324][T18108] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[436.792659][T18108] ? __lock_release (kernel/locking/lockdep.c:5539) 
[436.792981][T18108] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[436.793306][T18108] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[436.793644][T18108] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[436.793963][T18108] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.794311][T18108] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[436.794656][T18108] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[436.794991][T18108] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[436.795345][T18108] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[436.795690][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) 
[436.796023][T18108] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[436.796367][T18108] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[436.796717][T18108] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.797059][T18108] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[436.797397][T18108] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[436.797742][T18108] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[436.798090][T18108] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[436.798432][T18108] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[436.798783][T18108] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[436.799214][T18108] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[436.799554][T18108] ___sys_sendmsg (net/socket.c:2670) 
[436.799915][T18108] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[436.800253][T18108] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[436.800586][T18108] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[436.800932][T18108] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[436.801285][T18108] ? __handle_mm_fault (mm/memory.c:6212) 
[436.801626][T18108] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[436.801973][T18108] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[436.802334][T18108] __sys_sendmsg (net/socket.c:2700) 
[436.802684][T18108] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[436.803016][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) 
[436.803365][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) 
[436.803720][T18108] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[436.804065][T18108] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[436.804400][T18108] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  436.804836][T18108] RIP: 0033:0x7f206def31e7
[ 436.805197][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)
[  436.806408][T18108] RSP: 002b:00007fff2ca57fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  436.806925][T18108] RAX: ffffffffffffffda RBX: 00007fff2ca58710 RCX: 00007f206def31e7
[  436.807444][T18108] RDX: 0000000000000000 RSI: 00007fff2ca58050 RDI: 0000000000000005
[  436.807937][T18108] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  436.808428][T18108] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff2ca58748
[  436.808913][T18108] R13: 00000000686e1a06 R14: 0000000000499600 R15: 0000000000000000
| [  436.959011][T18110] ------------[ cut here ]------------
| [436.959380][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) 
| [  436.960041][T18110] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  436.961198][T18110] Tainted: [W]=WARN
[  436.961439][T18110] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[436.961842][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) 
[ 436.962171][T18110] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  436.963293][T18110] RSP: 0018:ffffc900045a7080 EFLAGS: 00010246
[  436.963690][T18110] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  436.964171][T18110] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  436.964655][T18110] RBP: ffffc900045a7168 R08: 0000000000000000 R09: 0000000000000000
[  436.965130][T18110] R10: ffffc900045a7198 R11: ffffffff87ea8918 R12: 1ffff920008b4e14
[  436.965597][T18110] R13: 00000000000005dc R14: ffffc900045a7198 R15: ffff88800f862f08
[  436.966077][T18110] FS:  00007f934d8fe800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  436.966629][T18110] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  436.967032][T18110] CR2: 00007fb4a9d77840 CR3: 00000000093c8002 CR4: 0000000000772ef0
[  436.967525][T18110] PKRU: 55555554
[  436.967775][T18110] Call Trace:
[  436.968026][T18110]  <TASK>
[436.968204][T18110] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[436.968545][T18110] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[436.968881][T18110] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[436.969306][T18110] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[436.969645][T18110] netif_set_mtu (net/core/dev.c:9652) 
[436.969988][T18110] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[436.970338][T18110] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[436.970802][T18110] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[436.971059][T18110] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[436.971514][T18110] br_add_if (net/bridge/br_if.c:697) bridge 
[436.971895][T18110] do_set_master (net/core/rtnetlink.c:2948) 
[436.972232][T18110] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[436.972568][T18110] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[436.972909][T18110] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[436.973253][T18110] ? __dev_get_by_name (net/core/dev.c:865) 
[436.973589][T18110] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[436.973924][T18110] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[436.974267][T18110] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[436.974596][T18110] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[436.974932][T18110] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[436.975289][T18110] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[436.975625][T18110] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[436.975965][T18110] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[436.976302][T18110] ? __lock_release (kernel/locking/lockdep.c:5539) 
[436.976636][T18110] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[436.976966][T18110] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[436.977302][T18110] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[436.977645][T18110] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.977980][T18110] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[436.978322][T18110] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[436.978655][T18110] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[436.978993][T18110] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[436.979334][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) 
[436.979670][T18110] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[436.980013][T18110] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[436.980354][T18110] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[436.980698][T18110] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[436.981030][T18110] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[436.981373][T18110] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[436.981711][T18110] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[436.982043][T18110] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[436.982381][T18110] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[436.982793][T18110] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[436.983136][T18110] ___sys_sendmsg (net/socket.c:2670) 
[436.983468][T18110] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[436.983794][T18110] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[436.984130][T18110] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[436.984457][T18110] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[436.984790][T18110] ? __handle_mm_fault (mm/memory.c:6212) 
[436.985128][T18110] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[436.985455][T18110] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[436.985800][T18110] __sys_sendmsg (net/socket.c:2700) 
[436.986135][T18110] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[436.986466][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) 
[436.986801][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) 
[436.987139][T18110] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[436.987471][T18110] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[436.987799][T18110] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  436.988209][T18110] RIP: 0033:0x7f934dacb1e7
[ 436.988547][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)
[  436.989718][T18110] RSP: 002b:00007ffc6d7b4a08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  436.990237][T18110] RAX: ffffffffffffffda RBX: 00007ffc6d7b5130 RCX: 00007f934dacb1e7
[  436.990743][T18110] RDX: 0000000000000000 RSI: 00007ffc6d7b4a70 RDI: 0000000000000005
[  436.991239][T18110] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  436.991724][T18110] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6d7b5168
[  436.992318][T18110] R13: 00000000686e1a06 R14: 0000000000499600 R15: 0000000000000000
| [  437.139415][T18112] ------------[ cut here ]------------
| [437.139758][T18112] WARNING: CPU: 0 PID: 18112 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) 
| [  437.140464][T18112] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  437.141644][T18112] Tainted: [W]=WARN
[  437.141892][T18112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[437.142316][T18112] 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) 
[ 437.142659][T18112] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  437.143874][T18112] RSP: 0018:ffffc90004957080 EFLAGS: 00010246
[  437.144300][T18112] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  437.144795][T18112] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  437.145294][T18112] RBP: ffffc90004957168 R08: 0000000000000000 R09: 0000000000000000
[  437.145781][T18112] R10: ffffc90004957198 R11: ffffffff87ea8918 R12: 1ffff9200092ae14
[  437.146279][T18112] R13: 00000000000005dc R14: ffffc90004957198 R15: ffff88800f862f08
[  437.146795][T18112] FS:  00007f7d5f49c800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  437.147393][T18112] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  437.147808][T18112] CR2: 00000000004a1738 CR3: 000000000966a006 CR4: 0000000000772ef0
[  437.148311][T18112] PKRU: 55555554
[  437.148559][T18112] Call Trace:
[  437.148806][T18112]  <TASK>
[437.148975][T18112] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[437.149319][T18112] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[437.149650][T18112] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[437.150081][T18112] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[437.150415][T18112] netif_set_mtu (net/core/dev.c:9652) 
[437.150752][T18112] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[437.151132][T18112] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[437.151599][T18112] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[437.151850][T18112] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[437.152311][T18112] br_add_if (net/bridge/br_if.c:697) bridge 
[437.152692][T18112] do_set_master (net/core/rtnetlink.c:2948) 
[437.153017][T18112] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[437.153358][T18112] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[437.153691][T18112] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[437.154013][T18112] ? __dev_get_by_name (net/core/dev.c:865) 
[437.154352][T18112] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[437.154679][T18112] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[437.155041][T18112] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[437.155380][T18112] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[437.155718][T18112] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[437.156066][T18112] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[437.156402][T18112] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[437.156746][T18112] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[437.157080][T18112] ? __lock_release (kernel/locking/lockdep.c:5539) 
[437.157422][T18112] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[437.157751][T18112] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[437.158087][T18112] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[437.158423][T18112] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[437.158757][T18112] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[437.159133][T18112] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[437.159469][T18112] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[437.159825][T18112] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[437.160169][T18112] ? 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) 
[437.160505][T18112] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[437.160838][T18112] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[437.161172][T18112] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[437.161507][T18112] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[437.161841][T18112] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[437.162185][T18112] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[437.162529][T18112] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[437.162891][T18112] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[437.163233][T18112] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[437.163649][T18112] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[437.163987][T18112] ___sys_sendmsg (net/socket.c:2670) 
[437.164333][T18112] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[437.164671][T18112] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[437.165012][T18112] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[437.165362][T18112] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[437.165703][T18112] ? __handle_mm_fault (mm/memory.c:6212) 
[437.166032][T18112] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[437.166370][T18112] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[437.166721][T18112] __sys_sendmsg (net/socket.c:2700) 
[437.167087][T18112] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[437.167417][T18112] ? 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) 
[437.167757][T18112] ? 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) 
[437.168098][T18112] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[437.168458][T18112] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[437.168792][T18112] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  437.169213][T18112] RIP: 0033:0x7f7d5f6691e7
[ 437.169554][T18112] 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)
[  437.170784][T18112] RSP: 002b:00007fff35df9668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  437.171314][T18112] RAX: ffffffffffffffda RBX: 00007fff35df9d90 RCX: 00007f7d5f6691e7
[  437.171828][T18112] RDX: 0000000000000000 RSI: 00007fff35df96d0 RDI: 0000000000000005
[  437.172333][T18112] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  437.172843][T18112] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff35df9dc8
[  437.173348][T18112] R13: 00000000686e1a06 R14: 0000000000499600 R15: 0000000000000000
| [  437.325688][T18114] ------------[ cut here ]------------
| [437.326013][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) 
| [  437.326688][T18114] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  437.327850][T18114] Tainted: [W]=WARN
[  437.328112][T18114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[437.328524][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) 
[ 437.328864][T18114] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  437.330055][T18114] RSP: 0018:ffffc9000aae7080 EFLAGS: 00010246
[  437.330473][T18114] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  437.330960][T18114] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  437.331466][T18114] RBP: ffffc9000aae7168 R08: 0000000000000000 R09: 0000000000000000
[  437.331956][T18114] R10: ffffc9000aae7198 R11: ffffffff87ea8918 R12: 1ffff9200155ce14
[  437.332459][T18114] R13: 00000000000005dc R14: ffffc9000aae7198 R15: ffff88800f862f08
[  437.332955][T18114] FS:  00007f36f8e8b800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  437.333553][T18114] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  437.333975][T18114] CR2: 00007fb4a9d77840 CR3: 000000001b3c9005 CR4: 0000000000772ef0
[  437.334623][T18114] PKRU: 55555554
[  437.334862][T18114] Call Trace:
[  437.335176][T18114]  <TASK>
[437.335340][T18114] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[437.335664][T18114] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[437.335978][T18114] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[437.336385][T18114] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[437.336705][T18114] netif_set_mtu (net/core/dev.c:9652) 
[437.337017][T18114] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[437.337350][T18114] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[437.337796][T18114] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[437.338037][T18114] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[437.338485][T18114] br_add_if (net/bridge/br_if.c:697) bridge 
[437.338847][T18114] do_set_master (net/core/rtnetlink.c:2948) 
[437.339200][T18114] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[437.339525][T18114] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[437.339860][T18114] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[437.340192][T18114] ? __dev_get_by_name (net/core/dev.c:865) 
[437.340514][T18114] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[437.340833][T18114] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[437.341162][T18114] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[437.341477][T18114] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[437.341795][T18114] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[437.342129][T18114] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[437.342450][T18114] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[437.342776][T18114] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[437.343098][T18114] ? __lock_release (kernel/locking/lockdep.c:5539) 
[437.343431][T18114] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[437.343752][T18114] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[437.344080][T18114] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[437.344395][T18114] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[437.344716][T18114] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[437.345029][T18114] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[437.345354][T18114] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[437.345680][T18114] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[437.346001][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) 
[437.346337][T18114] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[437.346661][T18114] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[437.346985][T18114] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[437.347318][T18114] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[437.347653][T18114] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[437.347985][T18114] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[437.348335][T18114] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[437.348669][T18114] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[437.348995][T18114] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[437.349432][T18114] ___sys_sendmsg (net/socket.c:2670) 
[437.349780][T18114] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[437.350125][T18114] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[437.350467][T18114] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[437.350793][T18114] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[437.351141][T18114] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[437.351484][T18114] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[437.351817][T18114] __sys_sendmsg (net/socket.c:2700) 
[437.352157][T18114] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[437.352499][T18114] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[437.352838][T18114] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[437.353177][T18114] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  437.353595][T18114] RIP: 0033:0x7f36f90581e7
[ 437.353936][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)
[  437.355105][T18114] RSP: 002b:00007ffc2324b0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  437.355593][T18114] RAX: ffffffffffffffda RBX: 00007ffc2324b820 RCX: 00007f36f90581e7
[  437.356099][T18114] RDX: 0000000000000000 RSI: 00007ffc2324b160 RDI: 0000000000000005
[  437.356591][T18114] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  437.357089][T18114] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc2324b858
[  437.357596][T18114] R13: 00000000686e1a07 R14: 0000000000499600 R15: 0000000000000000
| [  437.507745][T18117] ------------[ cut here ]------------
| [437.508136][T18117] WARNING: CPU: 1 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) 
| [  437.508833][T18117] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  437.510319][T18117] Tainted: [W]=WARN
[  437.510569][T18117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[437.510957][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) 
[ 437.511426][T18117] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  437.512700][T18117] RSP: 0018:ffffc9000a757080 EFLAGS: 00010246
[  437.513250][T18117] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  437.513718][T18117] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  437.514334][T18117] RBP: ffffc9000a757168 R08: 0000000000000000 R09: 0000000000000000
[  437.514801][T18117] R10: ffffc9000a757198 R11: ffffffff87ea8918 R12: 1ffff920014eae14
[  437.515418][T18117] R13: 00000000000005dc R14: ffffc9000a757198 R15: ffff88800f862f08
[  437.515885][T18117] FS:  00007f09aff62800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  437.516575][T18117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  437.516968][T18117] CR2: 00000000004a1738 CR3: 00000000090a3003 CR4: 0000000000772ef0
[  437.517589][T18117] PKRU: 55555554
[  437.517823][T18117] Call Trace:
[  437.518110][T18117]  <TASK>
[437.518271][T18117] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[437.518588][T18117] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[437.518901][T18117] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[437.519299][T18117] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[437.519615][T18117] netif_set_mtu (net/core/dev.c:9652) 
[437.519939][T18117] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[437.520271][T18117] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[437.520733][T18117] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[437.520982][T18117] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[437.521426][T18117] br_add_if (net/bridge/br_if.c:697) bridge 
[437.521785][T18117] do_set_master (net/core/rtnetlink.c:2948) 
[437.522109][T18117] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[437.522433][T18117] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[437.522746][T18117] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[437.523062][T18117] ? __dev_get_by_name (net/core/dev.c:865) 
[437.523376][T18117] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[437.523688][T18117] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[437.524005][T18117] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[437.524325][T18117] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[437.524652][T18117] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[437.524978][T18117] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[437.525307][T18117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[437.525634][T18117] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[437.525941][T18117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[437.526269][T18117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[437.526591][T18117] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[437.526904][T18117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[437.527231][T18117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[437.527549][T18117] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[437.527860][T18117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[437.528182][T18117] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[437.528510][T18117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[437.528823][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) 
[437.529146][T18117] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[437.529466][T18117] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[437.529784][T18117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[437.530116][T18117] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[437.530430][T18117] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[437.530741][T18117] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[437.531071][T18117] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[437.531412][T18117] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[437.531732][T18117] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[437.532135][T18117] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[437.532452][T18117] ___sys_sendmsg (net/socket.c:2670) 
[437.532764][T18117] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[437.533083][T18117] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[437.533401][T18117] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[437.533710][T18117] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[437.534032][T18117] ? __handle_mm_fault (mm/memory.c:6212) 
[437.534357][T18117] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[437.534677][T18117] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[437.535006][T18117] __sys_sendmsg (net/socket.c:2700) 
[437.535329][T18117] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[437.535641][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) 
[437.535959][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) 
[437.536290][T18117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[437.536603][T18117] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[437.536912][T18117] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  437.537307][T18117] RIP: 0033:0x7f09b012f1e7
[ 437.537633][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)
[  437.538757][T18117] RSP: 002b:00007ffe2b32fdb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  437.539238][T18117] RAX: ffffffffffffffda RBX: 00007ffe2b3304e0 RCX: 00007f09b012f1e7
[  437.539708][T18117] RDX: 0000000000000000 RSI: 00007ffe2b32fe20 RDI: 0000000000000005
[  437.540207][T18117] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  437.540702][T18117] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe2b330518
[  437.541200][T18117] R13: 00000000686e1a07 R14: 0000000000499600 R15: 0000000000000000
| [  437.716977][T18118] ------------[ cut here ]------------
| [437.717318][T18118] WARNING: CPU: 1 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) 
| [  437.718005][T18118] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  437.719204][T18118] Tainted: [W]=WARN
[  437.719457][T18118] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[437.719878][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) 
[ 437.720225][T18118] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  437.721409][T18118] RSP: 0018:ffffc9000aae7080 EFLAGS: 00010246
[  437.721806][T18118] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  437.722291][T18118] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  437.722765][T18118] RBP: ffffc9000aae7168 R08: 0000000000000000 R09: 0000000000000000
[  437.723256][T18118] R10: ffffc9000aae7198 R11: ffffffff87ea8918 R12: 1ffff9200155ce14
[  437.723773][T18118] R13: 00000000000005dc R14: ffffc9000aae7198 R15: ffff88800f862f08
[  437.724278][T18118] FS:  00007f79eacd0800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  437.724858][T18118] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  437.725280][T18118] CR2: 00000000004a1738 CR3: 000000000bd9a002 CR4: 0000000000772ef0
[  437.725778][T18118] PKRU: 55555554
[  437.726035][T18118] Call Trace:
[  437.726441][T18118]  <TASK>
[437.726612][T18118] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[437.726991][T18118] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[437.727473][T18118] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[437.727892][T18118] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[437.728331][T18118] netif_set_mtu (net/core/dev.c:9652) 
[437.728668][T18118] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[437.729012][T18118] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[437.729503][T18118] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[437.729761][T18118] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[437.730229][T18118] br_add_if (net/bridge/br_if.c:697) bridge 
[437.730606][T18118] do_set_master (net/core/rtnetlink.c:2948) 
[437.730937][T18118] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[437.731279][T18118] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[437.731615][T18118] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[437.731943][T18118] ? __dev_get_by_name (net/core/dev.c:865) 
[437.732278][T18118] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[437.732606][T18118] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[437.732939][T18118] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[437.733274][T18118] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[437.733607][T18118] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[437.733948][T18118] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[437.734294][T18118] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[437.734639][T18118] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[437.734967][T18118] ? __lock_release (kernel/locking/lockdep.c:5539) 
[437.735319][T18118] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[437.735635][T18118] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[437.735953][T18118] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[437.736277][T18118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[437.736600][T18118] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[437.736911][T18118] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[437.737236][T18118] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[437.737563][T18118] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[437.737872][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) 
[437.738196][T18118] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[437.738515][T18118] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[437.738830][T18118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[437.739159][T18118] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[437.739481][T18118] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[437.739801][T18118] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[437.740130][T18118] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[437.740454][T18118] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[437.740764][T18118] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[437.741165][T18118] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[437.741495][T18118] ___sys_sendmsg (net/socket.c:2670) 
[437.741811][T18118] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[437.742136][T18118] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[437.742454][T18118] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[437.742763][T18118] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[437.743087][T18118] ? __handle_mm_fault (mm/memory.c:6212) 
[437.743406][T18118] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[437.743733][T18118] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[437.744085][T18118] __sys_sendmsg (net/socket.c:2700) 
[437.744413][T18118] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[437.744728][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) 
[437.745056][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) 
[437.745374][T18118] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[437.745693][T18118] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[437.746007][T18118] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  437.746413][T18118] RIP: 0033:0x7f79eae9d1e7
[ 437.746738][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)
[  437.747859][T18118] RSP: 002b:00007ffc73c9ecc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  437.748344][T18118] RAX: ffffffffffffffda RBX: 00007ffc73c9f3f0 RCX: 00007f79eae9d1e7
[  437.748871][T18118] RDX: 0000000000000000 RSI: 00007ffc73c9ed30 RDI: 0000000000000005
[  437.749380][T18118] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  437.749883][T18118] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc73c9f428
[  437.750388][T18118] R13: 00000000686e1a07 R14: 0000000000499600 R15: 0000000000000000
| [  437.924325][T18120] ------------[ cut here ]------------
| [437.924661][T18120] WARNING: CPU: 2 PID: 18120 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) 
| [  437.925351][T18120] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  437.926524][T18120] Tainted: [W]=WARN
[  437.926775][T18120] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[437.927198][T18120] 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) 
[ 437.927538][T18120] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  437.928688][T18120] RSP: 0018:ffffc9000ba77080 EFLAGS: 00010246
[  437.929110][T18120] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  437.929591][T18120] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  437.930095][T18120] RBP: ffffc9000ba77168 R08: 0000000000000000 R09: 0000000000000000
[  437.930584][T18120] R10: ffffc9000ba77198 R11: ffffffff87ea8918 R12: 1ffff9200174ee14
[  437.931074][T18120] R13: 00000000000005dc R14: ffffc9000ba77198 R15: ffff88800f862f08
[  437.931557][T18120] FS:  00007f2430309800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  437.932130][T18120] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  437.932542][T18120] CR2: 00000000004a1738 CR3: 00000000093c8003 CR4: 0000000000772ef0
[  437.933044][T18120] PKRU: 55555554
[  437.933310][T18120] Call Trace:
[  437.933574][T18120]  <TASK>
[437.933753][T18120] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[437.934101][T18120] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[437.934436][T18120] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[437.934840][T18120] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[437.935179][T18120] netif_set_mtu (net/core/dev.c:9652) 
[437.935514][T18120] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[437.935852][T18120] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[437.936331][T18120] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[437.936585][T18120] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[437.937276][T18120] br_add_if (net/bridge/br_if.c:697) bridge 
[437.937652][T18120] do_set_master (net/core/rtnetlink.c:2948) 
[437.937989][T18120] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[437.938328][T18120] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[437.938658][T18120] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[437.938993][T18120] ? __dev_get_by_name (net/core/dev.c:865) 
[437.939330][T18120] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[437.939660][T18120] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[437.940004][T18120] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[437.940338][T18120] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[437.941141][T18120] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[437.941479][T18120] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[437.941816][T18120] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[437.942163][T18120] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[437.942492][T18120] ? __lock_release (kernel/locking/lockdep.c:5539) 
[437.943293][T18120] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[437.943623][T18120] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[437.943955][T18120] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[437.944298][T18120] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[437.944632][T18120] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[437.944965][T18120] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[437.945542][T18120] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[437.946346][T18120] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[437.946675][T18120] ? 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) 
[437.947473][T18120] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[437.947807][T18120] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[437.948147][T18120] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[437.948480][T18120] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[437.948817][T18120] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[437.949611][T18120] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[437.949963][T18120] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[437.950312][T18120] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[437.950642][T18120] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[437.951080][T18120] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[437.951425][T18120] ___sys_sendmsg (net/socket.c:2670) 
[437.951755][T18120] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[437.952098][T18120] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[437.952662][T18120] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[437.952992][T18120] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[437.953563][T18120] ? __handle_mm_fault (mm/memory.c:6212) 
[437.953892][T18120] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[437.954222][T18120] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[437.954566][T18120] __sys_sendmsg (net/socket.c:2700) 
[437.954891][T18120] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[437.955455][T18120] ? 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) 
[437.955802][T18120] ? 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) 
[437.956147][T18120] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[437.956476][T18120] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[437.956803][T18120] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  437.957219][T18120] RIP: 0033:0x7f24304d61e7
[ 437.957560][T18120] 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)
[  437.958712][T18120] RSP: 002b:00007fff3bd5c3f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  437.959675][T18120] RAX: ffffffffffffffda RBX: 00007fff3bd5cb20 RCX: 00007f24304d61e7
[  437.960178][T18120] RDX: 0000000000000000 RSI: 00007fff3bd5c460 RDI: 0000000000000005
[  437.960668][T18120] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  437.961394][T18120] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff3bd5cb58
[  437.961890][T18120] R13: 00000000686e1a07 R14: 0000000000499600 R15: 0000000000000000
| [  438.117736][T18122] ------------[ cut here ]------------
| [438.118075][T18122] WARNING: CPU: 0 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) 
| [  438.118700][T18122] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  438.119857][T18122] Tainted: [W]=WARN
[  438.120103][T18122] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[438.120495][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) 
[ 438.120851][T18122] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  438.121989][T18122] RSP: 0018:ffffc900045a7080 EFLAGS: 00010246
[  438.122399][T18122] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  438.122875][T18122] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  438.123349][T18122] RBP: ffffc900045a7168 R08: 0000000000000000 R09: 0000000000000000
[  438.123820][T18122] R10: ffffc900045a7198 R11: ffffffff87ea8918 R12: 1ffff920008b4e14
[  438.124311][T18122] R13: 00000000000005dc R14: ffffc900045a7198 R15: ffff88800f862f08
[  438.124857][T18122] FS:  00007fcff9feb800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  438.125424][T18122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  438.125829][T18122] CR2: 00007fb4a9e30b20 CR3: 000000000efee001 CR4: 0000000000772ef0
[  438.126314][T18122] PKRU: 55555554
[  438.126555][T18122] Call Trace:
[  438.126800][T18122]  <TASK>
[438.126968][T18122] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[438.127306][T18122] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[438.127625][T18122] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[438.128017][T18122] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[438.128345][T18122] netif_set_mtu (net/core/dev.c:9652) 
[438.128663][T18122] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[438.129032][T18122] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[438.129493][T18122] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[438.129734][T18122] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[438.130196][T18122] br_add_if (net/bridge/br_if.c:697) bridge 
[438.130570][T18122] do_set_master (net/core/rtnetlink.c:2948) 
[438.130887][T18122] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[438.131223][T18122] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[438.131549][T18122] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[438.131865][T18122] ? __dev_get_by_name (net/core/dev.c:865) 
[438.132187][T18122] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[438.132500][T18122] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[438.132855][T18122] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[438.133181][T18122] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[438.133502][T18122] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[438.133834][T18122] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[438.134167][T18122] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[438.134500][T18122] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[438.134810][T18122] ? __lock_release (kernel/locking/lockdep.c:5539) 
[438.135140][T18122] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[438.135453][T18122] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[438.135764][T18122] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[438.136090][T18122] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[438.136415][T18122] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[438.136739][T18122] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[438.137106][T18122] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[438.137446][T18122] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[438.137764][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) 
[438.138087][T18122] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[438.138414][T18122] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[438.138729][T18122] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[438.139057][T18122] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[438.139379][T18122] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[438.139701][T18122] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[438.140057][T18122] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[438.140377][T18122] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[438.140699][T18122] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[438.141146][T18122] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[438.141481][T18122] ___sys_sendmsg (net/socket.c:2670) 
[438.141803][T18122] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[438.142127][T18122] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[438.142444][T18122] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[438.142757][T18122] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[438.143084][T18122] ? __handle_mm_fault (mm/memory.c:6212) 
[438.143401][T18122] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[438.143714][T18122] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[438.144045][T18122] __sys_sendmsg (net/socket.c:2700) 
[438.144372][T18122] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[438.144685][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) 
[438.145037][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) 
[438.145370][T18122] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[438.145690][T18122] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[438.146009][T18122] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  438.146412][T18122] RIP: 0033:0x7fcffa1b81e7
[ 438.146739][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)
[  438.147876][T18122] RSP: 002b:00007ffc4179d878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  438.148366][T18122] RAX: ffffffffffffffda RBX: 00007ffc4179dfa0 RCX: 00007fcffa1b81e7
[  438.148871][T18122] RDX: 0000000000000000 RSI: 00007ffc4179d8e0 RDI: 0000000000000005
[  438.149362][T18122] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  438.149882][T18122] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4179dfd8
[  438.150366][T18122] R13: 00000000686e1a07 R14: 0000000000499600 R15: 0000000000000000
| [  438.348909][T18125] ------------[ cut here ]------------
| [438.349294][T18125] WARNING: CPU: 1 PID: 18125 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) 
| [  438.349965][T18125] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  438.351175][T18125] Tainted: [W]=WARN
[  438.351431][T18125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[438.351841][T18125] 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) 
[ 438.352186][T18125] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  438.353356][T18125] RSP: 0018:ffffc90004957080 EFLAGS: 00010246
[  438.353770][T18125] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  438.354278][T18125] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  438.354768][T18125] RBP: ffffc90004957168 R08: 0000000000000000 R09: 0000000000000000
[  438.355297][T18125] R10: ffffc90004957198 R11: ffffffff87ea8918 R12: 1ffff9200092ae14
[  438.355787][T18125] R13: 00000000000005dc R14: ffffc90004957198 R15: ffff88800f862f08
[  438.356292][T18125] FS:  00007fdf53e54800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  438.356865][T18125] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  438.357288][T18125] CR2: 00000000004a1738 CR3: 000000000efee006 CR4: 0000000000772ef0
[  438.357787][T18125] PKRU: 55555554
[  438.358032][T18125] Call Trace:
[  438.358288][T18125]  <TASK>
[438.358457][T18125] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[438.358790][T18125] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[438.359133][T18125] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[438.359545][T18125] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[438.359886][T18125] netif_set_mtu (net/core/dev.c:9652) 
[438.360227][T18125] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[438.360569][T18125] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[438.361032][T18125] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[438.361294][T18125] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[438.361747][T18125] br_add_if (net/bridge/br_if.c:697) bridge 
[438.362134][T18125] do_set_master (net/core/rtnetlink.c:2948) 
[438.362473][T18125] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[438.362790][T18125] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[438.363116][T18125] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[438.363426][T18125] ? __dev_get_by_name (net/core/dev.c:865) 
[438.363740][T18125] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[438.364068][T18125] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[438.364389][T18125] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[438.364705][T18125] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[438.365026][T18125] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[438.365364][T18125] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[438.365691][T18125] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[438.366019][T18125] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[438.366341][T18125] ? __lock_release (kernel/locking/lockdep.c:5539) 
[438.366660][T18125] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[438.366975][T18125] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[438.367310][T18125] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[438.367630][T18125] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[438.367960][T18125] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[438.368303][T18125] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[438.368642][T18125] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[438.368993][T18125] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[438.369331][T18125] ? 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) 
[438.369664][T18125] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[438.370008][T18125] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[438.370330][T18125] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[438.370653][T18125] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[438.370975][T18125] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[438.371304][T18125] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[438.371630][T18125] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[438.371951][T18125] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[438.372270][T18125] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[438.372663][T18125] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[438.372998][T18125] ___sys_sendmsg (net/socket.c:2670) 
[438.373336][T18125] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[438.373663][T18125] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[438.373997][T18125] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[438.374332][T18125] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[438.374663][T18125] ? __handle_mm_fault (mm/memory.c:6212) 
[438.374989][T18125] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[438.375309][T18125] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[438.375641][T18125] __sys_sendmsg (net/socket.c:2700) 
[438.375960][T18125] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[438.376283][T18125] ? 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) 
[438.376601][T18125] ? 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) 
[438.376917][T18125] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[438.377241][T18125] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[438.377552][T18125] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  438.377944][T18125] RIP: 0033:0x7fdf540211e7
[ 438.378275][T18125] 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)
[  438.379394][T18125] RSP: 002b:00007ffdb180c8b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  438.379882][T18125] RAX: ffffffffffffffda RBX: 00007ffdb180cfe0 RCX: 00007fdf540211e7
[  438.380391][T18125] RDX: 0000000000000000 RSI: 00007ffdb180c920 RDI: 0000000000000005
[  438.380869][T18125] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  438.381349][T18125] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdb180d018
[  438.381827][T18125] R13: 00000000686e1a08 R14: 0000000000499600 R15: 0000000000000000
| [  438.572953][T18126] ------------[ cut here ]------------
| [438.573333][T18126] WARNING: CPU: 3 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) 
| [  438.573958][T18126] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  438.575178][T18126] Tainted: [W]=WARN
[  438.575423][T18126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[438.575826][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) 
[ 438.576174][T18126] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  438.577323][T18126] RSP: 0018:ffffc9000aae7080 EFLAGS: 00010246
[  438.577718][T18126] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  438.578318][T18126] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  438.578792][T18126] RBP: ffffc9000aae7168 R08: 0000000000000000 R09: 0000000000000000
[  438.579286][T18126] R10: ffffc9000aae7198 R11: ffffffff87ea8918 R12: 1ffff9200155ce14
[  438.579774][T18126] R13: 00000000000005dc R14: ffffc9000aae7198 R15: ffff88800f862f08
[  438.580294][T18126] FS:  00007f59d99f2800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  438.580854][T18126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  438.581273][T18126] CR2: 00007fb4a9c88a00 CR3: 0000000004ea8003 CR4: 0000000000772ef0
[  438.581747][T18126] PKRU: 55555554
[  438.581992][T18126] Call Trace:
[  438.582257][T18126]  <TASK>
[438.582431][T18126] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[438.582755][T18126] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[438.583083][T18126] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[438.583497][T18126] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[438.583819][T18126] netif_set_mtu (net/core/dev.c:9652) 
[438.584145][T18126] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[438.584489][T18126] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[438.584936][T18126] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[438.585184][T18126] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[438.585628][T18126] br_add_if (net/bridge/br_if.c:697) bridge 
[438.585995][T18126] do_set_master (net/core/rtnetlink.c:2948) 
[438.586320][T18126] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[438.586667][T18126] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[438.586991][T18126] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[438.587312][T18126] ? __dev_get_by_name (net/core/dev.c:865) 
[438.587636][T18126] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[438.587951][T18126] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[438.588282][T18126] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[438.588610][T18126] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[438.588932][T18126] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[438.589272][T18126] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[438.589608][T18126] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[438.589951][T18126] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[438.590273][T18126] ? __lock_release (kernel/locking/lockdep.c:5539) 
[438.590608][T18126] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[438.590927][T18126] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[438.591251][T18126] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[438.591583][T18126] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[438.591908][T18126] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[438.592238][T18126] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[438.592583][T18126] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[438.592912][T18126] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[438.593234][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) 
[438.593561][T18126] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[438.593880][T18126] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[438.594205][T18126] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[438.594529][T18126] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[438.594860][T18126] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[438.595189][T18126] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[438.595517][T18126] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[438.595855][T18126] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[438.596183][T18126] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[438.596576][T18126] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[438.596945][T18126] ___sys_sendmsg (net/socket.c:2670) 
[438.597275][T18126] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[438.597589][T18126] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[438.597920][T18126] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[438.598241][T18126] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[438.598558][T18126] ? __handle_mm_fault (mm/memory.c:6212) 
[438.598911][T18126] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[438.599233][T18126] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[438.599567][T18126] __sys_sendmsg (net/socket.c:2700) 
[438.599915][T18126] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[438.600243][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) 
[438.600574][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) 
[438.600907][T18126] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[438.601233][T18126] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[438.601549][T18126] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  438.601950][T18126] RIP: 0033:0x7f59d9bbf1e7
[ 438.602284][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)
[  438.603450][T18126] RSP: 002b:00007ffea1be6168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  438.603951][T18126] RAX: ffffffffffffffda RBX: 00007ffea1be6890 RCX: 00007f59d9bbf1e7
[  438.604430][T18126] RDX: 0000000000000000 RSI: 00007ffea1be61d0 RDI: 0000000000000005
[  438.604931][T18126] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  438.605418][T18126] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffea1be68c8
[  438.605908][T18126] R13: 00000000686e1a08 R14: 0000000000499600 R15: 0000000000000000
| [  438.740982][T18129] ------------[ cut here ]------------
| [438.741376][T18129] WARNING: CPU: 3 PID: 18129 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) 
| [  438.742032][T18129] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  438.743236][T18129] Tainted: [W]=WARN
[  438.743494][T18129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[438.743942][T18129] 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) 
[ 438.744292][T18129] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  438.745495][T18129] RSP: 0018:ffffc90004957080 EFLAGS: 00010246
[  438.745911][T18129] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  438.746448][T18129] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  438.746943][T18129] RBP: ffffc90004957168 R08: 0000000000000000 R09: 0000000000000000
[  438.747458][T18129] R10: ffffc90004957198 R11: ffffffff87ea8918 R12: 1ffff9200092ae14
[  438.747953][T18129] R13: 00000000000005dc R14: ffffc90004957198 R15: ffff88800f862f08
[  438.748470][T18129] FS:  00007fd808f32800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  438.749042][T18129] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  438.749468][T18129] CR2: 00007fb4a9d47b30 CR3: 000000001ae6e005 CR4: 0000000000772ef0
[  438.749974][T18129] PKRU: 55555554
[  438.750225][T18129] Call Trace:
[  438.750484][T18129]  <TASK>
[438.750656][T18129] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[438.751008][T18129] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[438.751350][T18129] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[438.751774][T18129] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[438.752131][T18129] netif_set_mtu (net/core/dev.c:9652) 
[438.752460][T18129] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[438.752829][T18129] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[438.753304][T18129] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[438.753569][T18129] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[438.754030][T18129] br_add_if (net/bridge/br_if.c:697) bridge 
[438.754430][T18129] do_set_master (net/core/rtnetlink.c:2948) 
[438.754775][T18129] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[438.755115][T18129] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[438.755446][T18129] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[438.755787][T18129] ? __dev_get_by_name (net/core/dev.c:865) 
[438.756121][T18129] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[438.756450][T18129] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[438.756794][T18129] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[438.757140][T18129] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[438.757482][T18129] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[438.757831][T18129] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[438.758179][T18129] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[438.758523][T18129] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[438.758880][T18129] ? __lock_release (kernel/locking/lockdep.c:5539) 
[438.759219][T18129] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[438.759531][T18129] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[438.759869][T18129] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[438.760205][T18129] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[438.760524][T18129] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[438.760856][T18129] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[438.761180][T18129] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[438.761503][T18129] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[438.761830][T18129] ? 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) 
[438.762162][T18129] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[438.762478][T18129] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[438.762807][T18129] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[438.763137][T18129] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[438.763456][T18129] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[438.763783][T18129] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[438.764129][T18129] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[438.764458][T18129] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[438.764814][T18129] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[438.765248][T18129] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[438.765584][T18129] ___sys_sendmsg (net/socket.c:2670) 
[438.765928][T18129] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[438.766268][T18129] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[438.766601][T18129] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[438.766945][T18129] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[438.767288][T18129] ? __handle_mm_fault (mm/memory.c:6212) 
[438.767618][T18129] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[438.767954][T18129] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[438.768308][T18129] __sys_sendmsg (net/socket.c:2700) 
[438.768630][T18129] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[438.768966][T18129] ? 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) 
[438.769311][T18129] ? 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) 
[438.769630][T18129] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[438.769976][T18129] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[438.770304][T18129] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  438.770697][T18129] RIP: 0033:0x7fd8090ff1e7
[ 438.771064][T18129] 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)
[  438.772227][T18129] RSP: 002b:00007fffe74ec458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  438.772710][T18129] RAX: ffffffffffffffda RBX: 00007fffe74ecb80 RCX: 00007fd8090ff1e7
[  438.773201][T18129] RDX: 0000000000000000 RSI: 00007fffe74ec4c0 RDI: 0000000000000005
[  438.773675][T18129] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  438.774165][T18129] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe74ecbb8
[  438.774635][T18129] R13: 00000000686e1a08 R14: 0000000000499600 R15: 0000000000000000
| [  438.913638][T18130] ------------[ cut here ]------------
| [438.913988][T18130] WARNING: CPU: 2 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) 
| [  438.914724][T18130] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  438.915949][T18130] Tainted: [W]=WARN
[  438.916225][T18130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[438.916658][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) 
[ 438.917016][T18130] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  438.918212][T18130] RSP: 0018:ffffc9000ab07080 EFLAGS: 00010246
[  438.918640][T18130] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  438.919159][T18130] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  438.919672][T18130] RBP: ffffc9000ab07168 R08: 0000000000000000 R09: 0000000000000000
[  438.920195][T18130] R10: ffffc9000ab07198 R11: ffffffff87ea8918 R12: 1ffff92001560e14
[  438.920705][T18130] R13: 00000000000005dc R14: ffffc9000ab07198 R15: ffff88800f862f08
[  438.921235][T18130] FS:  00007fc01e03f800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  438.921826][T18130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  438.922260][T18130] CR2: 00007fc3f1e96ff0 CR3: 000000001b3ab005 CR4: 0000000000772ef0
[  438.922777][T18130] PKRU: 55555554
[  438.923041][T18130] Call Trace:
[  438.923310][T18130]  <TASK>
[438.923499][T18130] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[438.923850][T18130] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[438.924208][T18130] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[438.924635][T18130] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[438.924981][T18130] netif_set_mtu (net/core/dev.c:9652) 
[438.925332][T18130] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[438.925686][T18130] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[438.926180][T18130] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[438.926450][T18130] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[438.926931][T18130] br_add_if (net/bridge/br_if.c:697) bridge 
[438.927336][T18130] do_set_master (net/core/rtnetlink.c:2948) 
[438.927681][T18130] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[438.928036][T18130] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[438.928395][T18130] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[438.928740][T18130] ? __dev_get_by_name (net/core/dev.c:865) 
[438.929101][T18130] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[438.929450][T18130] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[438.929811][T18130] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[438.930171][T18130] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[438.930521][T18130] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[438.930876][T18130] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[438.931241][T18130] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[438.931601][T18130] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[438.931942][T18130] ? __lock_release (kernel/locking/lockdep.c:5539) 
[438.932297][T18130] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[438.932645][T18130] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[438.932996][T18130] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[438.933341][T18130] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[438.933679][T18130] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[438.934013][T18130] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[438.934353][T18130] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[438.934695][T18130] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[438.935034][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) 
[438.935372][T18130] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[438.935706][T18130] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[438.936033][T18130] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[438.936380][T18130] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[438.936713][T18130] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[438.937058][T18130] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[438.937395][T18130] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[438.937725][T18130] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[438.938061][T18130] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[438.938471][T18130] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[438.938809][T18130] ___sys_sendmsg (net/socket.c:2670) 
[438.939167][T18130] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[438.939510][T18130] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[438.939883][T18130] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[438.940240][T18130] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[438.940588][T18130] ? __handle_mm_fault (mm/memory.c:6212) 
[438.940936][T18130] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[438.941288][T18130] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[438.941654][T18130] __sys_sendmsg (net/socket.c:2700) 
[438.941996][T18130] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[438.942343][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) 
[438.942685][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) 
[438.943030][T18130] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[438.943374][T18130] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[438.943706][T18130] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  438.944124][T18130] RIP: 0033:0x7fc01e20c1e7
[ 438.944463][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)
[  438.945605][T18130] RSP: 002b:00007ffd695a0778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  438.946111][T18130] RAX: ffffffffffffffda RBX: 00007ffd695a0ea0 RCX: 00007fc01e20c1e7
[  438.946601][T18130] RDX: 0000000000000000 RSI: 00007ffd695a07e0 RDI: 0000000000000005
[  438.947095][T18130] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  438.947579][T18130] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd695a0ed8
[  438.948093][T18130] R13: 00000000686e1a08 R14: 0000000000499600 R15: 0000000000000000
| [  439.105273][T18132] ------------[ cut here ]------------
| [439.105626][T18132] WARNING: CPU: 2 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) 
| [  439.106286][T18132] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  439.107491][T18132] Tainted: [W]=WARN
[  439.107744][T18132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[439.108170][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) 
[ 439.108517][T18132] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  439.109672][T18132] RSP: 0018:ffffc9000a747080 EFLAGS: 00010246
[  439.110117][T18132] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  439.110601][T18132] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  439.111111][T18132] RBP: ffffc9000a747168 R08: 0000000000000000 R09: 0000000000000000
[  439.111598][T18132] R10: ffffc9000a747198 R11: ffffffff87ea8918 R12: 1ffff920014e8e14
[  439.112094][T18132] R13: 00000000000005dc R14: ffffc9000a747198 R15: ffff88800f862f08
[  439.112576][T18132] FS:  00007f4b2d278800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  439.113155][T18132] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  439.113569][T18132] CR2: 00007fb4a9c88a00 CR3: 000000001b3ab003 CR4: 0000000000772ef0
[  439.114064][T18132] PKRU: 55555554
[  439.114315][T18132] Call Trace:
[  439.114564][T18132]  <TASK>
[439.114742][T18132] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[439.115102][T18132] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[439.115449][T18132] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[439.115882][T18132] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[439.116238][T18132] netif_set_mtu (net/core/dev.c:9652) 
[439.116588][T18132] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[439.116954][T18132] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[439.117456][T18132] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[439.117729][T18132] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[439.118214][T18132] br_add_if (net/bridge/br_if.c:697) bridge 
[439.118606][T18132] do_set_master (net/core/rtnetlink.c:2948) 
[439.118954][T18132] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[439.119311][T18132] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[439.119649][T18132] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[439.119985][T18132] ? __dev_get_by_name (net/core/dev.c:865) 
[439.120330][T18132] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[439.120658][T18132] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[439.121001][T18132] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[439.121335][T18132] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[439.121671][T18132] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[439.122014][T18132] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[439.122357][T18132] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[439.122703][T18132] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[439.123037][T18132] ? __lock_release (kernel/locking/lockdep.c:5539) 
[439.123382][T18132] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[439.123709][T18132] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[439.124078][T18132] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[439.124417][T18132] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[439.124761][T18132] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[439.125099][T18132] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[439.125429][T18132] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[439.125772][T18132] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[439.126113][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) 
[439.126448][T18132] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[439.126797][T18132] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[439.127137][T18132] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[439.127473][T18132] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[439.127815][T18132] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[439.128166][T18132] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[439.128503][T18132] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[439.128839][T18132] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[439.129184][T18132] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[439.129596][T18132] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[439.129956][T18132] ___sys_sendmsg (net/socket.c:2670) 
[439.130299][T18132] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[439.130627][T18132] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[439.130963][T18132] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[439.131301][T18132] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[439.131649][T18132] ? __handle_mm_fault (mm/memory.c:6212) 
[439.131987][T18132] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[439.132346][T18132] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[439.132692][T18132] __sys_sendmsg (net/socket.c:2700) 
[439.133038][T18132] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[439.133396][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) 
[439.133751][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) 
[439.134090][T18132] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[439.134433][T18132] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[439.134767][T18132] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  439.135191][T18132] RIP: 0033:0x7f4b2d4451e7
[ 439.135529][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)
[  439.136670][T18132] RSP: 002b:00007ffca8b0c5d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  439.137180][T18132] RAX: ffffffffffffffda RBX: 00007ffca8b0cd00 RCX: 00007f4b2d4451e7
[  439.137666][T18132] RDX: 0000000000000000 RSI: 00007ffca8b0c640 RDI: 0000000000000005
[  439.138162][T18132] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  439.138646][T18132] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca8b0cd38
[  439.139148][T18132] R13: 00000000686e1a08 R14: 0000000000499600 R15: 0000000000000000
| [  439.318125][T18135] ------------[ cut here ]------------
| [439.318554][T18135] WARNING: CPU: 0 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) 
| [  439.319494][T18135] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  439.320722][T18135] Tainted: [W]=WARN
[  439.320991][T18135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[439.321415][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) 
[ 439.321758][T18135] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  439.323060][T18135] RSP: 0018:ffffc9000a747080 EFLAGS: 00010246
[  439.323567][T18135] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  439.324244][T18135] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  439.324747][T18135] RBP: ffffc9000a747168 R08: 0000000000000000 R09: 0000000000000000
[  439.325399][T18135] R10: ffffc9000a747198 R11: ffffffff87ea8918 R12: 1ffff920014e8e14
[  439.325917][T18135] R13: 00000000000005dc R14: ffffc9000a747198 R15: ffff88800f862f08
[  439.326457][T18135] FS:  00007f0d223f7800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  439.327080][T18135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  439.327500][T18135] CR2: 00007fb4a9d77840 CR3: 00000000090a3001 CR4: 0000000000772ef0
[  439.328071][T18135] PKRU: 55555554
[  439.328326][T18135] Call Trace:
[  439.328647][T18135]  <TASK>
[439.328847][T18135] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[439.329222][T18135] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[439.329568][T18135] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[439.330063][T18135] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[439.330448][T18135] netif_set_mtu (net/core/dev.c:9652) 
[439.330865][T18135] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[439.331259][T18135] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[439.331831][T18135] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[439.332140][T18135] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[439.332701][T18135] br_add_if (net/bridge/br_if.c:697) bridge 
[439.333153][T18135] do_set_master (net/core/rtnetlink.c:2948) 
[439.333490][T18135] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[439.333825][T18135] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[439.334182][T18135] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[439.334511][T18135] ? __dev_get_by_name (net/core/dev.c:865) 
[439.334846][T18135] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[439.335231][T18135] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[439.335575][T18135] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[439.335926][T18135] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[439.336355][T18135] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[439.336697][T18135] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[439.337056][T18135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[439.337403][T18135] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[439.337733][T18135] ? __lock_release (kernel/locking/lockdep.c:5539) 
[439.338087][T18135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[439.338418][T18135] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[439.338754][T18135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[439.339130][T18135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[439.339471][T18135] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[439.339816][T18135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[439.340232][T18135] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[439.340585][T18135] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[439.340917][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) 
[439.341258][T18135] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[439.341599][T18135] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[439.341931][T18135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[439.342275][T18135] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[439.342607][T18135] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[439.342961][T18135] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[439.343315][T18135] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[439.343654][T18135] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[439.343992][T18135] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[439.344422][T18135] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[439.344770][T18135] ___sys_sendmsg (net/socket.c:2670) 
[439.345113][T18135] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[439.345445][T18135] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[439.345779][T18135] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[439.346125][T18135] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[439.346471][T18135] ? __handle_mm_fault (mm/memory.c:6212) 
[439.346808][T18135] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[439.347184][T18135] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[439.347543][T18135] __sys_sendmsg (net/socket.c:2700) 
[439.347880][T18135] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[439.348220][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) 
[439.348564][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) 
[439.348899][T18135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[439.349244][T18135] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[439.349588][T18135] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  439.350018][T18135] RIP: 0033:0x7f0d225c41e7
[ 439.350371][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)
[  439.351591][T18135] RSP: 002b:00007ffd117a6138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  439.352102][T18135] RAX: ffffffffffffffda RBX: 00007ffd117a6860 RCX: 00007f0d225c41e7
[  439.352608][T18135] RDX: 0000000000000000 RSI: 00007ffd117a61a0 RDI: 0000000000000005
[  439.353118][T18135] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  439.353616][T18135] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd117a6898
[  439.354125][T18135] R13: 00000000686e1a09 R14: 0000000000499600 R15: 0000000000000000
| [  439.511061][T18137] ------------[ cut here ]------------
| [439.511400][T18137] WARNING: CPU: 2 PID: 18137 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) 
| [  439.512040][T18137] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  439.513273][T18137] Tainted: [W]=WARN
[  439.513531][T18137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[439.513940][T18137] 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) 
[ 439.514285][T18137] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  439.515432][T18137] RSP: 0018:ffffc9000a747080 EFLAGS: 00010246
[  439.515846][T18137] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  439.516345][T18137] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  439.516831][T18137] RBP: ffffc9000a747168 R08: 0000000000000000 R09: 0000000000000000
[  439.517319][T18137] R10: ffffc9000a747198 R11: ffffffff87ea8918 R12: 1ffff920014e8e14
[  439.517803][T18137] R13: 00000000000005dc R14: ffffc9000a747198 R15: ffff88800f862f08
[  439.518299][T18137] FS:  00007f8cf54b7800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  439.518855][T18137] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  439.519271][T18137] CR2: 00000000004a1738 CR3: 000000001a62f004 CR4: 0000000000772ef0
[  439.519762][T18137] PKRU: 55555554
[  439.520017][T18137] Call Trace:
[  439.520277][T18137]  <TASK>
[439.520456][T18137] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[439.520788][T18137] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[439.521128][T18137] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[439.521535][T18137] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[439.521868][T18137] netif_set_mtu (net/core/dev.c:9652) 
[439.522204][T18137] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[439.522547][T18137] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[439.523009][T18137] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[439.523269][T18137] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[439.523716][T18137] br_add_if (net/bridge/br_if.c:697) bridge 
[439.524101][T18137] do_set_master (net/core/rtnetlink.c:2948) 
[439.524447][T18137] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[439.524782][T18137] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[439.525130][T18137] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[439.525457][T18137] ? __dev_get_by_name (net/core/dev.c:865) 
[439.525787][T18137] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[439.526125][T18137] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[439.526461][T18137] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[439.526786][T18137] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[439.527125][T18137] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[439.527467][T18137] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[439.527814][T18137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[439.528164][T18137] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[439.528492][T18137] ? __lock_release (kernel/locking/lockdep.c:5539) 
[439.528820][T18137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[439.529155][T18137] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[439.529482][T18137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[439.529836][T18137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[439.530176][T18137] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[439.530505][T18137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[439.530832][T18137] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[439.531182][T18137] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[439.531505][T18137] ? 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) 
[439.531841][T18137] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[439.532186][T18137] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[439.532513][T18137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[439.532843][T18137] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[439.533185][T18137] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[439.533510][T18137] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[439.533847][T18137] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[439.534189][T18137] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[439.534522][T18137] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[439.534931][T18137] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[439.535277][T18137] ___sys_sendmsg (net/socket.c:2670) 
[439.535609][T18137] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[439.535943][T18137] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[439.536279][T18137] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[439.536604][T18137] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[439.536942][T18137] ? __handle_mm_fault (mm/memory.c:6212) 
[439.537277][T18137] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[439.537601][T18137] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[439.537944][T18137] __sys_sendmsg (net/socket.c:2700) 
[439.538284][T18137] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[439.538610][T18137] ? 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) 
[439.538944][T18137] ? 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) 
[439.539290][T18137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[439.539624][T18137] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[439.539968][T18137] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  439.540379][T18137] RIP: 0033:0x7f8cf56841e7
[ 439.540716][T18137] 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)
[  439.541861][T18137] RSP: 002b:00007fff05e9f328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  439.542354][T18137] RAX: ffffffffffffffda RBX: 00007fff05e9fa50 RCX: 00007f8cf56841e7
[  439.542836][T18137] RDX: 0000000000000000 RSI: 00007fff05e9f390 RDI: 0000000000000005
[  439.543321][T18137] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  439.543822][T18137] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff05e9fa88
[  439.544312][T18137] R13: 00000000686e1a09 R14: 0000000000499600 R15: 0000000000000000
| [  439.697587][T18138] ------------[ cut here ]------------
| [439.697903][T18138] WARNING: CPU: 0 PID: 18138 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) 
| [  439.698591][T18138] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  439.699731][T18138] Tainted: [W]=WARN
[  439.699981][T18138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[439.700379][T18138] 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) 
[ 439.700706][T18138] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  439.701839][T18138] RSP: 0018:ffffc9000a9b7080 EFLAGS: 00010246
[  439.702245][T18138] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  439.702717][T18138] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  439.703201][T18138] RBP: ffffc9000a9b7168 R08: 0000000000000000 R09: 0000000000000000
[  439.703670][T18138] R10: ffffc9000a9b7198 R11: ffffffff87ea8918 R12: 1ffff92001536e14
[  439.704148][T18138] R13: 00000000000005dc R14: ffffc9000a9b7198 R15: ffff88800f862f08
[  439.704619][T18138] FS:  00007fa5173a4800(0000) GS:ffff8880ad0b7000(0000) knlGS:0000000000000000
[  439.705184][T18138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  439.705577][T18138] CR2: 00000000004a1738 CR3: 000000001a62f002 CR4: 0000000000772ef0
[  439.706056][T18138] PKRU: 55555554
[  439.706292][T18138] Call Trace:
[  439.706527][T18138]  <TASK>
[439.706691][T18138] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[439.707017][T18138] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[439.707348][T18138] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[439.707740][T18138] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[439.708068][T18138] netif_set_mtu (net/core/dev.c:9652) 
[439.708384][T18138] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[439.708710][T18138] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[439.709163][T18138] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[439.709412][T18138] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[439.709850][T18138] br_add_if (net/bridge/br_if.c:697) bridge 
[439.710230][T18138] do_set_master (net/core/rtnetlink.c:2948) 
[439.710548][T18138] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[439.710872][T18138] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[439.711218][T18138] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[439.711533][T18138] ? __dev_get_by_name (net/core/dev.c:865) 
[439.711852][T18138] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[439.712176][T18138] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[439.712499][T18138] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[439.712809][T18138] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[439.713134][T18138] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[439.713456][T18138] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[439.713777][T18138] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[439.714116][T18138] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[439.714429][T18138] ? __lock_release (kernel/locking/lockdep.c:5539) 
[439.714744][T18138] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[439.715066][T18138] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[439.715382][T18138] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[439.715697][T18138] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[439.716016][T18138] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[439.716336][T18138] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[439.716657][T18138] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[439.716981][T18138] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[439.717300][T18138] ? 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) 
[439.717615][T18138] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[439.717933][T18138] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[439.718253][T18138] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[439.718571][T18138] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[439.718896][T18138] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[439.719219][T18138] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[439.719540][T18138] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[439.719868][T18138] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[439.720192][T18138] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[439.720587][T18138] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[439.720909][T18138] ___sys_sendmsg (net/socket.c:2670) 
[439.721237][T18138] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[439.721553][T18138] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[439.721869][T18138] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[439.722191][T18138] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[439.722511][T18138] ? __handle_mm_fault (mm/memory.c:6212) 
[439.722830][T18138] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[439.723155][T18138] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[439.723485][T18138] __sys_sendmsg (net/socket.c:2700) 
[439.723800][T18138] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[439.724119][T18138] ? 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) 
[439.724440][T18138] ? 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) 
[439.724757][T18138] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[439.725082][T18138] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[439.725395][T18138] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  439.725792][T18138] RIP: 0033:0x7fa5175711e7
[ 439.726127][T18138] 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)
[  439.727258][T18138] RSP: 002b:00007ffdde73c818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  439.727738][T18138] RAX: ffffffffffffffda RBX: 00007ffdde73cf40 RCX: 00007fa5175711e7
[  439.728219][T18138] RDX: 0000000000000000 RSI: 00007ffdde73c880 RDI: 0000000000000005
[  439.728689][T18138] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  439.729170][T18138] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdde73cf78
[  439.729645][T18138] R13: 00000000686e1a09 R14: 0000000000499600 R15: 0000000000000000
| [  439.889695][T18141] ------------[ cut here ]------------
| [439.890042][T18141] WARNING: CPU: 2 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) 
| [  439.890759][T18141] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  439.892233][T18141] Tainted: [W]=WARN
[  439.892627][T18141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[439.893084][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) 
[ 439.893420][T18141] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  439.894558][T18141] RSP: 0018:ffffc9000a9b7080 EFLAGS: 00010246
[  439.894968][T18141] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  439.895467][T18141] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  439.895969][T18141] RBP: ffffc9000a9b7168 R08: 0000000000000000 R09: 0000000000000000
[  439.896477][T18141] R10: ffffc9000a9b7198 R11: ffffffff87ea8918 R12: 1ffff92001536e14
[  439.896966][T18141] R13: 00000000000005dc R14: ffffc9000a9b7198 R15: ffff88800f862f08
[  439.897463][T18141] FS:  00007fda99670800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  439.898032][T18141] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  439.898459][T18141] CR2: 00000000004a1738 CR3: 000000000ec01005 CR4: 0000000000772ef0
[  439.898943][T18141] PKRU: 55555554
[  439.899204][T18141] Call Trace:
[  439.899450][T18141]  <TASK>
[439.899638][T18141] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[439.899979][T18141] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[439.900322][T18141] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[439.900736][T18141] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[439.901079][T18141] netif_set_mtu (net/core/dev.c:9652) 
[439.901408][T18141] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[439.901746][T18141] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[439.902217][T18141] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[439.902469][T18141] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[439.902919][T18141] br_add_if (net/bridge/br_if.c:697) bridge 
[439.903309][T18141] do_set_master (net/core/rtnetlink.c:2948) 
[439.903638][T18141] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[439.903968][T18141] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[439.904317][T18141] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[439.904648][T18141] ? __dev_get_by_name (net/core/dev.c:865) 
[439.904975][T18141] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[439.905311][T18141] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[439.905645][T18141] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[439.905972][T18141] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[439.906316][T18141] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[439.906659][T18141] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[439.906992][T18141] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[439.907340][T18141] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[439.907663][T18141] ? __lock_release (kernel/locking/lockdep.c:5539) 
[439.907992][T18141] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[439.908335][T18141] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[439.908675][T18141] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[439.909007][T18141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[439.909357][T18141] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[439.909683][T18141] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[439.910033][T18141] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[439.910388][T18141] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[439.910720][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) 
[439.911059][T18141] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[439.911393][T18141] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[439.911719][T18141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[439.912068][T18141] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[439.912399][T18141] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[439.912728][T18141] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[439.913069][T18141] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[439.913403][T18141] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[439.913725][T18141] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[439.914148][T18141] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[439.914483][T18141] ___sys_sendmsg (net/socket.c:2670) 
[439.914814][T18141] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[439.915148][T18141] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[439.915482][T18141] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[439.915815][T18141] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[439.916159][T18141] ? __handle_mm_fault (mm/memory.c:6212) 
[439.916492][T18141] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[439.916819][T18141] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[439.917170][T18141] __sys_sendmsg (net/socket.c:2700) 
[439.917495][T18141] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[439.917821][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) 
[439.918163][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) 
[439.918498][T18141] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[439.918831][T18141] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[439.919168][T18141] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  439.919575][T18141] RIP: 0033:0x7fda9983d1e7
[ 439.919926][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)
[  439.921078][T18141] RSP: 002b:00007ffdd8494e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  439.921568][T18141] RAX: ffffffffffffffda RBX: 00007ffdd8495590 RCX: 00007fda9983d1e7
[  439.922060][T18141] RDX: 0000000000000000 RSI: 00007ffdd8494ed0 RDI: 0000000000000005
[  439.922547][T18141] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  439.923035][T18141] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdd84955c8
[  439.923525][T18141] R13: 00000000686e1a09 R14: 0000000000499600 R15: 0000000000000000
| [  440.093300][T18142] ------------[ cut here ]------------
| [440.093632][T18142] WARNING: CPU: 2 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) 
| [  440.094355][T18142] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  440.095515][T18142] Tainted: [W]=WARN
[  440.095772][T18142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[440.096184][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) 
[ 440.096521][T18142] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  440.097656][T18142] RSP: 0018:ffffc9000a997080 EFLAGS: 00010246
[  440.098075][T18142] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  440.098557][T18142] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  440.099056][T18142] RBP: ffffc9000a997168 R08: 0000000000000000 R09: 0000000000000000
[  440.099538][T18142] R10: ffffc9000a997198 R11: ffffffff87ea8918 R12: 1ffff92001532e14
[  440.100033][T18142] R13: 00000000000005dc R14: ffffc9000a997198 R15: ffff88800f862f08
[  440.100529][T18142] FS:  00007efde3be3800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  440.101099][T18142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  440.101514][T18142] CR2: 00000000004a1738 CR3: 000000001a8bf002 CR4: 0000000000772ef0
[  440.102004][T18142] PKRU: 55555554
[  440.102262][T18142] Call Trace:
[  440.102510][T18142]  <TASK>
[440.102685][T18142] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[440.103015][T18142] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[440.103359][T18142] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[440.103762][T18142] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[440.104103][T18142] netif_set_mtu (net/core/dev.c:9652) 
[440.104435][T18142] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[440.104772][T18142] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[440.105247][T18142] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[440.105497][T18142] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[440.105936][T18142] br_add_if (net/bridge/br_if.c:697) bridge 
[440.106325][T18142] do_set_master (net/core/rtnetlink.c:2948) 
[440.106652][T18142] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[440.106981][T18142] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[440.107317][T18142] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[440.107641][T18142] ? __dev_get_by_name (net/core/dev.c:865) 
[440.107964][T18142] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[440.108303][T18142] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[440.108642][T18142] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[440.108968][T18142] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[440.109313][T18142] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[440.109652][T18142] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[440.109994][T18142] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[440.110349][T18142] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[440.110676][T18142] ? __lock_release (kernel/locking/lockdep.c:5539) 
[440.111008][T18142] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[440.111353][T18142] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[440.111685][T18142] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[440.112020][T18142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[440.112369][T18142] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[440.112698][T18142] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[440.113031][T18142] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[440.113398][T18142] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[440.113734][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) 
[440.114075][T18142] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[440.114412][T18142] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[440.114739][T18142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[440.115086][T18142] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[440.115419][T18142] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[440.115748][T18142] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[440.116093][T18142] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[440.116428][T18142] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[440.116764][T18142] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[440.117222][T18142] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[440.117571][T18142] ___sys_sendmsg (net/socket.c:2670) 
[440.117906][T18142] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[440.118245][T18142] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[440.118577][T18142] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[440.118902][T18142] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[440.119249][T18142] ? __handle_mm_fault (mm/memory.c:6212) 
[440.119582][T18142] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[440.119913][T18142] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[440.120268][T18142] __sys_sendmsg (net/socket.c:2700) 
[440.120606][T18142] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[440.120938][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) 
[440.121279][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) 
[440.121612][T18142] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[440.121944][T18142] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[440.122288][T18142] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  440.122699][T18142] RIP: 0033:0x7efde3db01e7
[ 440.123045][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)
[  440.124192][T18142] RSP: 002b:00007ffed81a4368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  440.124689][T18142] RAX: ffffffffffffffda RBX: 00007ffed81a4a90 RCX: 00007efde3db01e7
[  440.125183][T18142] RDX: 0000000000000000 RSI: 00007ffed81a43d0 RDI: 0000000000000005
[  440.125681][T18142] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  440.126175][T18142] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffed81a4ac8
[  440.126666][T18142] R13: 00000000686e1a09 R14: 0000000000499600 R15: 0000000000000000
| [  440.276590][T18144] ------------[ cut here ]------------
| [440.276919][T18144] WARNING: CPU: 2 PID: 18144 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) 
| [  440.277638][T18144] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  440.278809][T18144] Tainted: [W]=WARN
[  440.279075][T18144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[440.279490][T18144] 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) 
[ 440.279841][T18144] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  440.280993][T18144] RSP: 0018:ffffc9000a997080 EFLAGS: 00010246
[  440.281409][T18144] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  440.281928][T18144] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  440.282433][T18144] RBP: ffffc9000a997168 R08: 0000000000000000 R09: 0000000000000000
[  440.282920][T18144] R10: ffffc9000a997198 R11: ffffffff87ea8918 R12: 1ffff92001532e14
[  440.283427][T18144] R13: 00000000000005dc R14: ffffc9000a997198 R15: ffff88800f862f08
[  440.283918][T18144] FS:  00007f987778e800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  440.284490][T18144] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  440.284906][T18144] CR2: 00007f98779a25c0 CR3: 000000001a8bf004 CR4: 0000000000772ef0
[  440.285501][T18144] PKRU: 55555554
[  440.285763][T18144] Call Trace:
[  440.286031][T18144]  <TASK>
[440.286217][T18144] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[440.286557][T18144] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[440.286891][T18144] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[440.287326][T18144] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[440.287665][T18144] netif_set_mtu (net/core/dev.c:9652) 
[440.287995][T18144] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[440.288350][T18144] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[440.288809][T18144] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[440.289073][T18144] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[440.289531][T18144] br_add_if (net/bridge/br_if.c:697) bridge 
[440.289922][T18144] do_set_master (net/core/rtnetlink.c:2948) 
[440.290262][T18144] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[440.290593][T18144] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[440.290923][T18144] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[440.291260][T18144] ? __dev_get_by_name (net/core/dev.c:865) 
[440.291595][T18144] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[440.291942][T18144] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[440.292290][T18144] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[440.292613][T18144] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[440.292946][T18144] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[440.293292][T18144] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[440.293624][T18144] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[440.293970][T18144] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[440.294313][T18144] ? __lock_release (kernel/locking/lockdep.c:5539) 
[440.294658][T18144] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[440.294990][T18144] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[440.295334][T18144] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[440.295669][T18144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[440.296003][T18144] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[440.296341][T18144] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[440.296668][T18144] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[440.297016][T18144] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[440.297353][T18144] ? 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) 
[440.297684][T18144] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[440.298022][T18144] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[440.298366][T18144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[440.298702][T18144] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[440.299035][T18144] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[440.299378][T18144] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[440.299715][T18144] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[440.300079][T18144] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[440.300405][T18144] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[440.300823][T18144] ___sys_sendmsg (net/socket.c:2670) 
[440.301163][T18144] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[440.301504][T18144] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[440.301838][T18144] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[440.302174][T18144] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[440.302509][T18144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[440.302848][T18144] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[440.303189][T18144] __sys_sendmsg (net/socket.c:2700) 
[440.303520][T18144] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[440.303864][T18144] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[440.304205][T18144] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[440.304533][T18144] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  440.304936][T18144] RIP: 0033:0x7f987795b1e7
[ 440.305282][T18144] 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)
[  440.306445][T18144] RSP: 002b:00007ffff2e7f018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  440.306944][T18144] RAX: ffffffffffffffda RBX: 00007ffff2e7f740 RCX: 00007f987795b1e7
[  440.307453][T18144] RDX: 0000000000000000 RSI: 00007ffff2e7f080 RDI: 0000000000000005
[  440.307938][T18144] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  440.308434][T18144] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff2e7f778
[  440.308919][T18144] R13: 00000000686e1a0a R14: 0000000000499600 R15: 0000000000000000
| [  440.481513][T18146] ------------[ cut here ]------------
| [440.481864][T18146] WARNING: CPU: 1 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) 
| [  440.482629][T18146] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  440.483901][T18146] Tainted: [W]=WARN
[  440.484203][T18146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[440.484597][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) 
[ 440.484916][T18146] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  440.486038][T18146] RSP: 0018:ffffc9000a977080 EFLAGS: 00010246
[  440.486437][T18146] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  440.486901][T18146] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  440.487376][T18146] RBP: ffffc9000a977168 R08: 0000000000000000 R09: 0000000000000000
[  440.487849][T18146] R10: ffffc9000a977198 R11: ffffffff87ea8918 R12: 1ffff9200152ee14
[  440.488320][T18146] R13: 00000000000005dc R14: ffffc9000a977198 R15: ffff88800f862f08
[  440.488786][T18146] FS:  00007f2f441a0800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  440.489336][T18146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  440.489730][T18146] CR2: 00000000004a1738 CR3: 000000001a94e001 CR4: 0000000000772ef0
[  440.490213][T18146] PKRU: 55555554
[  440.490446][T18146] Call Trace:
[  440.490677][T18146]  <TASK>
[440.490837][T18146] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[440.491163][T18146] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[440.491476][T18146] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[440.491863][T18146] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[440.492191][T18146] netif_set_mtu (net/core/dev.c:9652) 
[440.492502][T18146] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[440.492824][T18146] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[440.493273][T18146] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[440.493512][T18146] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[440.493938][T18146] br_add_if (net/bridge/br_if.c:697) bridge 
[440.494309][T18146] do_set_master (net/core/rtnetlink.c:2948) 
[440.494621][T18146] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[440.494933][T18146] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[440.495256][T18146] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[440.495568][T18146] ? __dev_get_by_name (net/core/dev.c:865) 
[440.495877][T18146] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[440.496197][T18146] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[440.496518][T18146] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[440.496827][T18146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[440.497152][T18146] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[440.497510][T18146] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[440.497832][T18146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[440.498166][T18146] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[440.498475][T18146] ? __lock_release (kernel/locking/lockdep.c:5539) 
[440.498786][T18146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[440.499111][T18146] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[440.499426][T18146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[440.499740][T18146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[440.500075][T18146] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[440.500389][T18146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[440.500701][T18146] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[440.501027][T18146] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[440.501351][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) 
[440.501665][T18146] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[440.501981][T18146] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[440.502300][T18146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[440.502620][T18146] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[440.502936][T18146] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[440.503259][T18146] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[440.503586][T18146] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[440.503901][T18146] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[440.504219][T18146] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[440.504615][T18146] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[440.504932][T18146] ___sys_sendmsg (net/socket.c:2670) 
[440.505255][T18146] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[440.505568][T18146] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[440.505885][T18146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[440.506205][T18146] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[440.506524][T18146] ? __handle_mm_fault (mm/memory.c:6212) 
[440.506836][T18146] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[440.507155][T18146] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[440.507483][T18146] __sys_sendmsg (net/socket.c:2700) 
[440.507796][T18146] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[440.508121][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) 
[440.508441][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) 
[440.508755][T18146] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[440.509079][T18146] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[440.509393][T18146] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  440.509784][T18146] RIP: 0033:0x7f2f4436d1e7
[ 440.510118][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)
[  440.511241][T18146] RSP: 002b:00007fff23c92158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  440.511711][T18146] RAX: ffffffffffffffda RBX: 00007fff23c92880 RCX: 00007f2f4436d1e7
[  440.512190][T18146] RDX: 0000000000000000 RSI: 00007fff23c921c0 RDI: 0000000000000005
[  440.512661][T18146] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  440.513134][T18146] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff23c928b8
[  440.513598][T18146] R13: 00000000686e1a0a R14: 0000000000499600 R15: 0000000000000000
| [  440.648799][T18149] ------------[ cut here ]------------
| [440.649156][T18149] WARNING: CPU: 3 PID: 18149 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) 
| [  440.649790][T18149] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  440.650919][T18149] Tainted: [W]=WARN
[  440.651179][T18149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[440.651576][T18149] 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) 
[ 440.651903][T18149] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  440.653028][T18149] RSP: 0000:ffffc9000a967080 EFLAGS: 00010246
[  440.653441][T18149] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  440.653917][T18149] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  440.654398][T18149] RBP: ffffc9000a967168 R08: 0000000000000000 R09: 0000000000000000
[  440.654867][T18149] R10: ffffc9000a967198 R11: ffffffff87ea8918 R12: 1ffff9200152ce14
[  440.655346][T18149] R13: 00000000000005dc R14: ffffc9000a967198 R15: ffff88800f862f08
[  440.655823][T18149] FS:  00007f5f3910f800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  440.656383][T18149] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  440.656778][T18149] CR2: 00007fb4a9c672a0 CR3: 0000000010177003 CR4: 0000000000772ef0
[  440.657257][T18149] PKRU: 55555554
[  440.657493][T18149] Call Trace:
[  440.657726][T18149]  <TASK>
[440.657894][T18149] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[440.658222][T18149] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[440.658543][T18149] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[440.658933][T18149] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[440.659257][T18149] netif_set_mtu (net/core/dev.c:9652) 
[440.659572][T18149] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[440.659905][T18149] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[440.660366][T18149] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[440.660606][T18149] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[440.661035][T18149] br_add_if (net/bridge/br_if.c:697) bridge 
[440.661405][T18149] do_set_master (net/core/rtnetlink.c:2948) 
[440.661722][T18149] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[440.662038][T18149] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[440.662373][T18149] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[440.662687][T18149] ? __dev_get_by_name (net/core/dev.c:865) 
[440.663004][T18149] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[440.663327][T18149] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[440.663653][T18149] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[440.663962][T18149] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[440.664286][T18149] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[440.664621][T18149] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[440.664940][T18149] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[440.665274][T18149] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[440.665585][T18149] ? __lock_release (kernel/locking/lockdep.c:5539) 
[440.665901][T18149] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[440.666222][T18149] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[440.666535][T18149] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[440.666860][T18149] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[440.667185][T18149] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[440.667505][T18149] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[440.667827][T18149] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[440.668162][T18149] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[440.668490][T18149] ? 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) 
[440.668818][T18149] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[440.669144][T18149] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[440.669456][T18149] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[440.669786][T18149] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[440.670113][T18149] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[440.670427][T18149] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[440.670753][T18149] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[440.671079][T18149] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[440.671392][T18149] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[440.671787][T18149] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[440.672120][T18149] ___sys_sendmsg (net/socket.c:2670) 
[440.672440][T18149] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[440.672762][T18149] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[440.673085][T18149] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[440.673400][T18149] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[440.673718][T18149] ? __handle_mm_fault (mm/memory.c:6212) 
[440.674031][T18149] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[440.674350][T18149] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[440.674684][T18149] __sys_sendmsg (net/socket.c:2700) 
[440.674998][T18149] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[440.675317][T18149] ? 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) 
[440.675640][T18149] ? 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) 
[440.675960][T18149] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[440.676284][T18149] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[440.676860][T18149] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  440.677260][T18149] RIP: 0033:0x7f5f392dc1e7
[ 440.677595][T18149] 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)
[  440.678727][T18149] RSP: 002b:00007ffe4b3d05c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  440.679438][T18149] RAX: ffffffffffffffda RBX: 00007ffe4b3d0cf0 RCX: 00007f5f392dc1e7
[  440.679926][T18149] RDX: 0000000000000000 RSI: 00007ffe4b3d0630 RDI: 0000000000000005
[  440.680404][T18149] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  440.681112][T18149] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe4b3d0d28
[  440.681814][T18149] R13: 00000000686e1a0a R14: 0000000000499600 R15: 0000000000000000
| [  440.861179][T18150] ------------[ cut here ]------------
| [440.861500][T18150] WARNING: CPU: 1 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) 
| [  440.862272][T18150] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  440.863536][T18150] Tainted: [W]=WARN
[  440.863784][T18150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[440.864330][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) 
[ 440.864652][T18150] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  440.865924][T18150] RSP: 0018:ffffc9000a957080 EFLAGS: 00010246
[  440.866472][T18150] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  440.866947][T18150] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  440.867561][T18150] RBP: ffffc9000a957168 R08: 0000000000000000 R09: 0000000000000000
[  440.868025][T18150] R10: ffffc9000a957198 R11: ffffffff87ea8918 R12: 1ffff9200152ae14
[  440.868581][T18150] R13: 00000000000005dc R14: ffffc9000a957198 R15: ffff88800f862f08
[  440.869076][T18150] FS:  00007f04cba15800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  440.869625][T18150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  440.870030][T18150] CR2: 00000000004a1738 CR3: 0000000010177003 CR4: 0000000000772ef0
[  440.870506][T18150] PKRU: 55555554
[  440.870739][T18150] Call Trace:
[  440.870975][T18150]  <TASK>
[440.871147][T18150] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[440.871464][T18150] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[440.871778][T18150] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[440.872175][T18150] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[440.872497][T18150] netif_set_mtu (net/core/dev.c:9652) 
[440.872810][T18150] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[440.873150][T18150] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[440.873591][T18150] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[440.873828][T18150] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[440.874265][T18150] br_add_if (net/bridge/br_if.c:697) bridge 
[440.874637][T18150] do_set_master (net/core/rtnetlink.c:2948) 
[440.874954][T18150] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[440.875287][T18150] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[440.875604][T18150] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[440.875918][T18150] ? __dev_get_by_name (net/core/dev.c:865) 
[440.876245][T18150] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[440.876657][T18150] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[440.876978][T18150] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[440.877306][T18150] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[440.877622][T18150] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[440.877947][T18150] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[440.878276][T18150] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[440.878600][T18150] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[440.878909][T18150] ? __lock_release (kernel/locking/lockdep.c:5539) 
[440.879234][T18150] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[440.879548][T18150] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[440.879872][T18150] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[440.880196][T18150] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[440.880517][T18150] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[440.880829][T18150] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[440.881162][T18150] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[440.881487][T18150] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[440.881821][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) 
[440.882149][T18150] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[440.882469][T18150] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[440.882784][T18150] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[440.883117][T18150] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[440.883438][T18150] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[440.883751][T18150] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[440.884082][T18150] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[440.884397][T18150] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[440.884710][T18150] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[440.885120][T18150] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[440.885439][T18150] ___sys_sendmsg (net/socket.c:2670) 
[440.885753][T18150] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[440.886075][T18150] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[440.886389][T18150] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[440.886700][T18150] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[440.887021][T18150] ? __handle_mm_fault (mm/memory.c:6212) 
[440.887350][T18150] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[440.887660][T18150] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[440.887996][T18150] __sys_sendmsg (net/socket.c:2700) 
[440.888315][T18150] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[440.888628][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) 
[440.888947][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) 
[440.889280][T18150] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[440.889595][T18150] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[440.889948][T18150] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  440.890358][T18150] RIP: 0033:0x7f04cbbe21e7
[ 440.890690][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)
[  440.891816][T18150] RSP: 002b:00007ffde5a05438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  440.892304][T18150] RAX: ffffffffffffffda RBX: 00007ffde5a05b60 RCX: 00007f04cbbe21e7
[  440.892772][T18150] RDX: 0000000000000000 RSI: 00007ffde5a054a0 RDI: 0000000000000005
[  440.893256][T18150] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  440.893727][T18150] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffde5a05b98
[  440.894205][T18150] R13: 00000000686e1a0a R14: 0000000000499600 R15: 0000000000000000
| [  441.052488][T18152] ------------[ cut here ]------------
| [441.052832][T18152] WARNING: CPU: 3 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) 
| [  441.053563][T18152] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  441.054716][T18152] Tainted: [W]=WARN
[  441.054958][T18152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[441.055366][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) 
[ 441.055693][T18152] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  441.056852][T18152] RSP: 0018:ffffc9000a937080 EFLAGS: 00010246
[  441.057281][T18152] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  441.057768][T18152] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  441.058250][T18152] RBP: ffffc9000a937168 R08: 0000000000000000 R09: 0000000000000000
[  441.058720][T18152] R10: ffffc9000a937198 R11: ffffffff87ea8918 R12: 1ffff92001526e14
[  441.059206][T18152] R13: 00000000000005dc R14: ffffc9000a937198 R15: ffff88800f862f08
[  441.059693][T18152] FS:  00007fb273631800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  441.060280][T18152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  441.060680][T18152] CR2: 00000000004a1738 CR3: 000000001b6a9005 CR4: 0000000000772ef0
[  441.061175][T18152] PKRU: 55555554
[  441.061415][T18152] Call Trace:
[  441.061666][T18152]  <TASK>
[441.061833][T18152] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[441.062177][T18152] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[441.062512][T18152] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[441.062919][T18152] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[441.063249][T18152] netif_set_mtu (net/core/dev.c:9652) 
[441.063574][T18152] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[441.063910][T18152] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[441.064385][T18152] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[441.064626][T18152] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[441.065077][T18152] br_add_if (net/bridge/br_if.c:697) bridge 
[441.065444][T18152] do_set_master (net/core/rtnetlink.c:2948) 
[441.065762][T18152] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[441.066109][T18152] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[441.066450][T18152] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[441.066773][T18152] ? __dev_get_by_name (net/core/dev.c:865) 
[441.067097][T18152] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[441.067431][T18152] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[441.067771][T18152] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[441.068102][T18152] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[441.068425][T18152] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[441.068749][T18152] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[441.069077][T18152] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[441.069407][T18152] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[441.069718][T18152] ? __lock_release (kernel/locking/lockdep.c:5539) 
[441.070065][T18152] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[441.070382][T18152] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[441.070703][T18152] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[441.071020][T18152] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[441.071360][T18152] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[441.071679][T18152] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[441.071997][T18152] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[441.072338][T18152] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[441.072885][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) 
[441.073210][T18152] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[441.073759][T18152] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[441.074074][T18152] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[441.074628][T18152] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[441.074953][T18152] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[441.075739][T18152] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[441.076095][T18152] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[441.076428][T18152] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[441.076758][T18152] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[441.077165][T18152] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[441.077732][T18152] ___sys_sendmsg (net/socket.c:2670) 
[441.078061][T18152] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[441.078375][T18152] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[441.078705][T18152] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[441.079252][T18152] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[441.079574][T18152] ? __handle_mm_fault (mm/memory.c:6212) 
[441.079894][T18152] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[441.080233][T18152] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[441.080811][T18152] __sys_sendmsg (net/socket.c:2700) 
[441.081135][T18152] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[441.081694][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) 
[441.082978][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) 
[441.083306][T18152] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[441.084328][T18152] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[441.084891][T18152] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  441.085529][T18152] RIP: 0033:0x7fb2737fe1e7
[ 441.085858][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)
[  441.087260][T18152] RSP: 002b:00007ffc889c74c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  441.088447][T18152] RAX: ffffffffffffffda RBX: 00007ffc889c7bf0 RCX: 00007fb2737fe1e7
[  441.088925][T18152] RDX: 0000000000000000 RSI: 00007ffc889c7530 RDI: 0000000000000005
[  441.089430][T18152] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  441.089959][T18152] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc889c7c28
[  441.090436][T18152] R13: 00000000686e1a0a R14: 0000000000499600 R15: 0000000000000000
| [  441.271717][T18154] ------------[ cut here ]------------
| [441.272168][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) 
| [  441.272866][T18154] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  441.274086][T18154] Tainted: [W]=WARN
[  441.274339][T18154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[441.274751][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) 
[ 441.275102][T18154] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  441.276280][T18154] RSP: 0018:ffffc9000a947080 EFLAGS: 00010246
[  441.276698][T18154] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  441.277210][T18154] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  441.277706][T18154] RBP: ffffc9000a947168 R08: 0000000000000000 R09: 0000000000000000
[  441.278225][T18154] R10: ffffc9000a947198 R11: ffffffff87ea8918 R12: 1ffff92001528e14
[  441.278695][T18154] R13: 00000000000005dc R14: ffffc9000a947198 R15: ffff88800f862f08
[  441.279211][T18154] FS:  00007f0f24570800(0000) GS:ffff8880ad237000(0000) knlGS:0000000000000000
[  441.279783][T18154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  441.280194][T18154] CR2: 00000000004a1738 CR3: 000000000b874003 CR4: 0000000000772ef0
[  441.280668][T18154] PKRU: 55555554
[  441.280913][T18154] Call Trace:
[  441.281173][T18154]  <TASK>
[441.281336][T18154] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[441.281678][T18154] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[441.282001][T18154] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[441.282421][T18154] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[441.282740][T18154] netif_set_mtu (net/core/dev.c:9652) 
[441.283082][T18154] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[441.283424][T18154] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[441.283912][T18154] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[441.284169][T18154] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[441.284605][T18154] br_add_if (net/bridge/br_if.c:697) bridge 
[441.284967][T18154] do_set_master (net/core/rtnetlink.c:2948) 
[441.285291][T18154] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[441.285608][T18154] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[441.285926][T18154] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[441.286255][T18154] ? __dev_get_by_name (net/core/dev.c:865) 
[441.286573][T18154] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[441.286898][T18154] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[441.287243][T18154] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[441.287571][T18154] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[441.287890][T18154] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[441.288223][T18154] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[441.288546][T18154] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[441.288876][T18154] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[441.289195][T18154] ? __lock_release (kernel/locking/lockdep.c:5539) 
[441.289515][T18154] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[441.289845][T18154] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[441.290168][T18154] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[441.290486][T18154] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[441.290811][T18154] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[441.291153][T18154] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[441.291478][T18154] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[441.291816][T18154] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[441.292156][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) 
[441.292473][T18154] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[441.292789][T18154] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[441.293111][T18154] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[441.293454][T18154] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[441.293788][T18154] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[441.294124][T18154] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[441.294452][T18154] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[441.294764][T18154] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[441.295084][T18154] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[441.295481][T18154] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[441.295802][T18154] ___sys_sendmsg (net/socket.c:2670) 
[441.296160][T18154] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[441.296493][T18154] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[441.296814][T18154] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[441.297134][T18154] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[441.297461][T18154] ? __handle_mm_fault (mm/memory.c:6212) 
[441.297797][T18154] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[441.298127][T18154] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[441.298464][T18154] __sys_sendmsg (net/socket.c:2700) 
[441.298789][T18154] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[441.299165][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) 
[441.299508][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) 
[441.299869][T18154] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[441.300213][T18154] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[441.300559][T18154] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  441.300972][T18154] RIP: 0033:0x7f0f2473d1e7
[ 441.301321][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)
[  441.302526][T18154] RSP: 002b:00007ffd455c12d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  441.303034][T18154] RAX: ffffffffffffffda RBX: 00007ffd455c1a00 RCX: 00007f0f2473d1e7
[  441.303550][T18154] RDX: 0000000000000000 RSI: 00007ffd455c1340 RDI: 0000000000000005
[  441.304044][T18154] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  441.304550][T18154] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd455c1a38
[  441.305045][T18154] R13: 00000000686e1a0b R14: 0000000000499600 R15: 0000000000000000
| [  441.447470][T18156] ------------[ cut here ]------------
| [441.447821][T18156] WARNING: CPU: 2 PID: 18156 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) 
| [  441.448552][T18156] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  441.449733][T18156] Tainted: [W]=WARN
[  441.450021][T18156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[441.450450][T18156] 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) 
[ 441.450817][T18156] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  441.451962][T18156] RSP: 0018:ffffc9000a967080 EFLAGS: 00010246
[  441.452384][T18156] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[  441.452864][T18156] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  441.453360][T18156] RBP: ffffc9000a967168 R08: 0000000000000000 R09: 0000000000000000
[  441.453854][T18156] R10: ffffc9000a967198 R11: ffffffff87ea8918 R12: 1ffff9200152ce14
[  441.454341][T18156] R13: 00000000000005dc R14: ffffc9000a967198 R15: ffff88800f862f08
[  441.454818][T18156] FS:  00007ff658874800(0000) GS:ffff8880ad1b7000(0000) knlGS:0000000000000000
[  441.455448][T18156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  441.455859][T18156] CR2: 00000000004a1738 CR3: 000000000f245006 CR4: 0000000000772ef0
[  441.456353][T18156] PKRU: 55555554
[  441.456609][T18156] Call Trace:
[  441.456860][T18156]  <TASK>
[441.457040][T18156] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[441.457383][T18156] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[441.457732][T18156] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[441.458149][T18156] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[441.458477][T18156] netif_set_mtu (net/core/dev.c:9652) 
[441.458806][T18156] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[441.459152][T18156] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[441.459609][T18156] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[441.459879][T18156] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[441.460487][T18156] br_add_if (net/bridge/br_if.c:697) bridge 
[441.460998][T18156] ? cpuidle_enter_state (drivers/cpuidle/cpuidle.c:309) 
[441.461472][T18156] do_set_master (net/core/rtnetlink.c:2948) 
[441.461799][T18156] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[441.462140][T18156] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[441.462478][T18156] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[441.462834][T18156] ? __dev_get_by_name (net/core/dev.c:865) 
[441.463172][T18156] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[441.463500][T18156] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[441.463859][T18156] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[441.464194][T18156] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[441.464529][T18156] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[441.464868][T18156] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[441.465207][T18156] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[441.465576][T18156] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[441.465949][T18156] ? __lock_release (kernel/locking/lockdep.c:5539) 
[441.466305][T18156] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[441.466651][T18156] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[441.466996][T18156] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[441.467353][T18156] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[441.467699][T18156] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[441.468055][T18156] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[441.468404][T18156] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[441.468761][T18156] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[441.469113][T18156] ? 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) 
[441.469464][T18156] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[441.469823][T18156] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[441.470176][T18156] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[441.470525][T18156] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[441.470872][T18156] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[441.471226][T18156] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[441.471578][T18156] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[441.471923][T18156] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[441.472275][T18156] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[441.472700][T18156] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[441.473067][T18156] ___sys_sendmsg (net/socket.c:2670) 
[441.473412][T18156] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[441.473756][T18156] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[441.474112][T18156] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[441.474458][T18156] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[441.474805][T18156] ? __handle_mm_fault (mm/memory.c:6212) 
[441.475165][T18156] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[441.475514][T18156] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[441.475877][T18156] __sys_sendmsg (net/socket.c:2700) 
[441.476230][T18156] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[441.476574][T18156] ? 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) 
[441.476930][T18156] ? 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) 
[441.477288][T18156] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[441.477640][T18156] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[441.477994][T18156] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  441.478435][T18156] RIP: 0033:0x7ff658a411e7
[ 441.478799][T18156] 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)
[  441.480017][T18156] RSP: 002b:00007ffcb952f7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  441.480551][T18156] RAX: ffffffffffffffda RBX: 00007ffcb952fef0 RCX: 00007ff658a411e7
[  441.481070][T18156] RDX: 0000000000000000 RSI: 00007ffcb952f830 RDI: 0000000000000005
[  441.481596][T18156] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  441.482118][T18156] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcb952ff28
[  441.482627][T18156] R13: 00000000686e1a0b R14: 0000000000499600 R15: 0000000000000000
| [  752.725796][ T2932] ------------[ cut here ]------------
| [ 752.727725][ T2932] WARNING: CPU: 1 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) 
| [  752.728400][ T2932] Modules linked in: act_gact cls_flower dummy sch_ingress bridge stp llc 8021q vrf veth
| [  752.729592][ T2932] Tainted: [W]=WARN
[  752.729827][ T2932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 752.730230][ 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) 
[ 752.730549][ T2932] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  752.731661][ T2932] RSP: 0018:ffffc9000179ef70 EFLAGS: 00010246
[  752.732060][ T2932] RAX: 0000000000000000 RBX: ffff8880051c2000 RCX: 0000000000000001
[  752.732516][ T2932] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  752.732969][ T2932] RBP: ffffc9000179f058 R08: 0000000000000000 R09: 0000000000000000
[  752.733444][ T2932] R10: ffffc9000179f088 R11: ffffffff83400130 R12: 1ffff920002f3df2
[  752.733901][ T2932] R13: 00000000000005dc R14: ffffc9000179f088 R15: ffff8880051c2f08
[  752.734363][ T2932] FS:  00007f969f359800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  752.734892][ T2932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  752.735283][ T2932] CR2: 00000000004e5ab0 CR3: 000000000bae9003 CR4: 0000000000772ef0
[  752.735742][ T2932] PKRU: 55555554
[  752.735971][ T2932] Call Trace:
[  752.736207][ T2932]  <TASK>
[ 752.736361][ 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) 
[ 752.736746][ T2932] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 752.737118][ T2932] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 752.737426][ T2932] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 752.737731][ T2932] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 752.738038][ T2932] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 752.738354][ T2932] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 752.738656][ T2932] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 752.738960][ T2932] ? ___sys_sendmsg (net/socket.c:2670) 
[ 752.739273][ T2932] ? __sys_sendmsg (net/socket.c:2700) 
[ 752.739581][ T2932] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 752.739885][ T2932] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 752.740283][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 752.740598][ T2932] netif_set_mtu (net/core/dev.c:9652) 
[ 752.740906][ T2932] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 752.741251][ T2932] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 752.741483][ T2932] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 752.741906][ T2932] br_del_if (net/bridge/br_if.c:743) bridge 
[ 752.742262][ T2932] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 752.742566][ T2932] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 752.742873][ T2932] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 752.743193][ T2932] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 752.743582][ T2932] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 752.743885][ T2932] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 752.744196][ T2932] ? __kernel_text_address (kernel/extable.c:79) 
[ 752.744511][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 752.744821][ 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) 
[ 752.745160][ T2932] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 752.745543][ T2932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 752.745849][ T2932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 752.746161][ T2932] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 752.746464][ T2932] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 752.746767][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 752.747083][ T2932] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 752.747386][ T2932] ? __create_object (mm/kmemleak.c:771) 
[ 752.747701][ T2932] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 752.748011][ T2932] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 752.748332][ T2932] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 752.748712][ T2932] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 752.749023][ T2932] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 752.749352][ T2932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 752.749655][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 752.749970][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 752.750299][ T2932] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 752.750605][ T2932] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 752.750911][ T2932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 752.751221][ T2932] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 752.751525][ T2932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 752.751834][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 752.752151][ T2932] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 752.752456][ T2932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 752.752763][ T2932] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 752.753127][ T2932] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 752.753456][ 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) 
[ 752.753762][ T2932] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 752.754080][ T2932] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 752.754386][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 752.754712][ T2932] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 752.755020][ T2932] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 752.755336][ T2932] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 752.755648][ T2932] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 752.755953][ T2932] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 752.756264][ T2932] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 752.756652][ T2932] ___sys_sendmsg (net/socket.c:2670) 
[ 752.756957][ T2932] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 752.757282][ 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) 
[ 752.757660][ T2932] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 752.757966][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 752.758282][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 752.758593][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 752.758896][ 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) 
[ 752.759214][ T2932] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 752.759535][ T2932] __sys_sendmsg (net/socket.c:2700) 
[ 752.759836][ T2932] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 752.760229][ T2932] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 752.760548][ T2932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 752.760853][ T2932] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 752.761174][ T2932] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  752.761554][ T2932] RIP: 0033:0x7f969f5261e7
[ 752.761870][ 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)
[  752.762970][ T2932] RSP: 002b:00007ffd63aa2848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  752.763444][ T2932] RAX: ffffffffffffffda RBX: 00007ffd63aa2f70 RCX: 00007f969f5261e7
[  752.763902][ T2932] RDX: 0000000000000000 RSI: 00007ffd63aa28b0 RDI: 0000000000000005
[  752.764367][ T2932] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  752.764822][ T2932] R10: 00007f969f423ee8 R11: 0000000000000246 R12: 0000000000000003
[  752.765296][ T2932] R13: 00000000686e1b42 R14: 0000000000499600 R15: 0000000000000000
| [  753.258595][ T2936] ------------[ cut here ]------------
| [ 753.260752][ T2936] WARNING: CPU: 1 PID: 2936 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) 
| [  753.261839][ T2936] Modules linked in: act_gact cls_flower dummy sch_ingress bridge stp llc 8021q vrf veth
| [  753.263959][ T2936] Tainted: [W]=WARN
[  753.264391][ T2936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 753.265094][ T2936] 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) 
[ 753.265666][ T2936] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  753.267635][ T2936] RSP: 0018:ffffc900017cef70 EFLAGS: 00010246
[  753.268347][ T2936] RAX: 0000000000000000 RBX: ffff8880051c2000 RCX: 0000000000000001
[  753.269170][ T2936] RDX: 0000000000000000 RSI: ffffffff8709b941 RDI: ffffffff868555e0
[  753.269973][ T2936] RBP: ffffc900017cf058 R08: 0000000000000000 R09: 0000000000000000
[  753.270821][ T2936] R10: ffffc900017cf088 R11: ffffffff87579160 R12: 1ffff920002f9df2
[  753.271660][ T2936] R13: 00000000000005dc R14: ffffc900017cf088 R15: ffff8880051c2f08
[  753.272498][ T2936] FS:  00007fd56422b800(0000) GS:ffff8880ad137000(0000) knlGS:0000000000000000
[  753.273456][ T2936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  753.274148][ T2936] CR2: 00000000004e5aa8 CR3: 000000001adf7004 CR4: 0000000000772ef0
[  753.274988][ T2936] PKRU: 55555554
[  753.275422][ T2936] Call Trace:
[  753.275837][ T2936]  <TASK>
[ 753.276127][ T2936] ? __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) 
[ 753.276805][ T2936] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 753.277443][ T2936] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 753.278016][ T2936] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 753.278586][ T2936] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 753.279143][ T2936] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 753.279685][ T2936] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 753.280245][ T2936] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 753.280782][ T2936] ? ___sys_sendmsg (net/socket.c:2670) 
[ 753.281349][ T2936] ? __sys_sendmsg (net/socket.c:2700) 
[ 753.281903][ T2936] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 753.282475][ T2936] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 753.283170][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 753.283727][ T2936] netif_set_mtu (net/core/dev.c:9652) 
[ 753.284288][ T2936] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 753.284883][ T2936] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 753.285336][ T2936] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 753.286154][ T2936] br_del_if (net/bridge/br_if.c:743) bridge 
[ 753.286776][ T2936] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 753.287359][ T2936] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 753.287925][ T2936] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 753.288489][ T2936] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 753.289197][ T2936] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 753.289738][ T2936] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 753.290301][ T2936] ? __kernel_text_address (kernel/extable.c:79) 
[ 753.290846][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 753.291407][ T2936] ? __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) 
[ 753.291948][ T2936] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 753.292670][ T2936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 753.293245][ T2936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 753.293824][ T2936] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 753.294388][ T2936] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 753.294941][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 753.295515][ T2936] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 753.296082][ T2936] ? __create_object (mm/kmemleak.c:771) 
[ 753.296639][ T2936] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 753.297208][ T2936] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 753.297745][ T2936] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 753.298446][ T2936] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 753.298998][ T2936] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 753.299564][ T2936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 753.300147][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 753.300736][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 753.301332][ T2936] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 753.301878][ T2936] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 753.302455][ T2936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 753.302994][ T2936] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 753.303549][ T2936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 753.304123][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 753.304689][ T2936] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 753.305268][ T2936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 753.305832][ T2936] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 753.306428][ T2936] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 753.306956][ T2936] ? 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) 
[ 753.307517][ T2936] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 753.308083][ T2936] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 753.308621][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 753.309195][ T2936] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 753.309758][ T2936] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 753.310338][ T2936] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 753.310903][ T2936] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 753.311469][ T2936] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 753.312006][ T2936] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 753.312714][ T2936] ___sys_sendmsg (net/socket.c:2670) 
[ 753.313267][ T2936] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 753.313792][ T2936] ? __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) 
[ 753.314466][ T2936] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 753.315023][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 753.315588][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 753.316152][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 753.316685][ T2936] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 753.317221][ T2936] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 753.317800][ T2936] __sys_sendmsg (net/socket.c:2700) 
[ 753.318361][ T2936] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 753.319045][ T2936] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 753.319637][ T2936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 753.320212][ T2936] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 753.320765][ T2936] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  753.321456][ T2936] RIP: 0033:0x7fd5643f81e7
[ 753.322022][ T2936] 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)
[  753.324021][ T2936] RSP: 002b:00007ffc96cb8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  753.324864][ T2936] RAX: ffffffffffffffda RBX: 00007ffc96cb93a0 RCX: 00007fd5643f81e7
[  753.325701][ T2936] RDX: 0000000000000000 RSI: 00007ffc96cb8ce0 RDI: 0000000000000005
[  753.326540][ T2936] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  753.327379][ T2936] R10: 00007fd5642f5ee8 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