======================================
| [   22.860299][  T328] veth1: entered promiscuous mode
| [   22.862060][  T328] ------------[ cut here ]------------
| [ 22.862412][ T328] WARNING: CPU: 0 PID: 328 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.863050][  T328] Modules linked in: bridge stp llc 8021q vrf veth
[   22.864166][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.864578][ T328] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.864909][ T328] 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
[   22.866577][  T328] RSP: 0018:ffffc900007b6ef0 EFLAGS: 00010246
[   22.866985][  T328] RAX: 0000000000000000 RBX: ffff8880096e2000 RCX: 0000000000000001
[   22.867473][  T328] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[   22.867961][  T328] RBP: ffffc900007b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.868452][  T328] R10: ffffc900007b7010 R11: ffffffff992a8918 R12: 1ffff920000f6de2
[   22.868931][  T328] R13: 00000000000005dc R14: ffffc900007b7010 R15: ffff8880096e2f08
[   22.869419][  T328] FS:  00007f941aa53800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[   22.869985][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.870601][  T328] CR2: 00000000004e5aa8 CR3: 000000000b768004 CR4: 0000000000772ef0
[   22.871113][  T328] PKRU: 55555554
[   22.871359][  T328] Call Trace:
[   22.871616][  T328]  <TASK>
[ 22.871785][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.872113][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.872455][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.872790][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.873201][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.873546][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 22.873871][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.874226][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.874694][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.874955][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.875409][ T328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.875778][ T328] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.876102][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.876436][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.876854][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.877177][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.877508][ T328] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.877830][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.878175][ T328] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.878514][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.878910][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.879260][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.879610][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.879944][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.880273][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.880605][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.880953][ T328] ? __create_object (mm/kmemleak.c:771) 
[ 22.881273][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.881606][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.881923][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.882336][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.882675][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.883002][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.883351][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.883695][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.884025][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.884344][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.884687][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.885009][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.885332][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.885663][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.886005][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.886331][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.886673][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.887002][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.887347][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.887694][ T328] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.888018][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.888335][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.888695][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.889019][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.889361][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.889704][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.890051][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.890373][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.890830][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 22.891149][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.891508][ T328] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.891911][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.892240][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.892603][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.892933][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.893269][ T328] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.893674][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.893989][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 22.894290][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.894676][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.895000][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.895331][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.895646][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.896046][  T328] RIP: 0033:0x7f941ac201e7
[ 22.896365][ T328] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.897492][  T328] RSP: 002b:00007ffebb4e92d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.897958][  T328] RAX: ffffffffffffffda RBX: 00007ffebb4e9a00 RCX: 00007f941ac201e7
[   22.898449][  T328] RDX: 0000000000000000 RSI: 00007ffebb4e9340 RDI: 0000000000000005
[   22.898935][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.899414][  T328] R10: 000000002027b910 R11: 0000000000000246 R12: 0000000000000004
[   22.899883][  T328] R13: 00000000686e33fd R14: 0000000000499600 R15: 0000000000000000
| [   23.391506][  T333] ------------[ cut here ]------------
| [ 23.391833][ T333] WARNING: CPU: 3 PID: 333 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.392483][  T333] Modules linked in: bridge stp llc 8021q vrf veth
| [   23.393579][  T333] Tainted: [W]=WARN
[   23.393826][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.394226][ T333] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.394566][ T333] 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
[   23.395718][  T333] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   23.396122][  T333] RAX: 0000000000000000 RBX: ffff8880096e2000 RCX: 0000000000000001
[   23.396610][  T333] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[   23.397087][  T333] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.397577][  T333] R10: ffffc900005e7010 R11: ffffffff992a8918 R12: 1ffff920000bcde2
[   23.398056][  T333] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff8880096e2f08
[   23.398541][  T333] FS:  00007f8e7ab1e800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[   23.399096][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.399509][  T333] CR2: 00000000004e5ab0 CR3: 000000000f46a005 CR4: 0000000000772ef0
[   23.399993][  T333] PKRU: 55555554
[   23.400233][  T333] Call Trace:
[   23.400484][  T333]  <TASK>
[ 23.400650][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.400989][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.401316][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.401640][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.402037][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.402361][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 23.402697][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.403029][ T333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.403491][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.403733][ T333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.404167][ T333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.404544][ T333] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.404869][ T333] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.405189][ T333] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.405598][ T333] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.405916][ T333] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.406234][ T333] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.406567][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.406893][ T333] ? __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) 
[ 23.407211][ T333] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.407616][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.407939][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.408258][ T333] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.408579][ T333] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.408899][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.409222][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.409545][ T333] ? __create_object (mm/kmemleak.c:771) 
[ 23.409863][ T333] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.410182][ T333] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.410510][ T333] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.410925][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.411249][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.411590][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.411909][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.412231][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.412557][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.412871][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.413187][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.413510][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.413831][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.414154][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.414491][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.414810][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.415125][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.415462][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.415818][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.416133][ T333] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.416466][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.416804][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.417142][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.417489][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.417827][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.418171][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.418514][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.418832][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.419267][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 23.419614][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.419949][ T333] ? __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) 
[ 23.420372][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.420732][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.421093][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.421449][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.421796][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.422131][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.422483][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 23.422819][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.423238][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.423605][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.423946][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.424295][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.424723][  T333] RIP: 0033:0x7f8e7aceb1e7
[ 23.425074][ T333] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.426249][  T333] RSP: 002b:00007ffe3199c0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.426761][  T333] RAX: ffffffffffffffda RBX: 00007ffe3199c820 RCX: 00007f8e7aceb1e7
[   23.427269][  T333] RDX: 0000000000000000 RSI: 00007ffe3199c160 RDI: 0000000000000005
[   23.427789][  T333] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.428292][  T333] R10: 0000000027b45910 R11: 0000000000000246 R12: 0000000000000004
[   23.428814][  T333] R13: 00000000686e33fe R14: 0000000000499600 R15: 0000000000000000
| [  107.999261][  T932] ------------[ cut here ]------------
| [ 107.999609][ T932] WARNING: CPU: 3 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) 
| [  108.000405][  T932] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.001679][  T932] Tainted: [W]=WARN
[  108.001923][  T932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.002325][ 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) 
[ 108.002672][ 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
[  108.003821][  T932] RSP: 0018:ffffc900021a7080 EFLAGS: 00010246
[  108.004232][  T932] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  108.004718][  T932] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  108.005198][  T932] RBP: ffffc900021a7168 R08: 0000000000000000 R09: 0000000000000000
[  108.005873][  T932] R10: ffffc900021a7198 R11: ffffffff992a8918 R12: 1ffff92000434e14
[  108.006371][  T932] R13: 00000000000005dc R14: ffffc900021a7198 R15: ffff888005c5af08
[  108.007036][  T932] FS:  00007f8fbaca8800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  108.007775][  T932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.008208][  T932] CR2: 00007f88246a5000 CR3: 000000000ca33005 CR4: 0000000000772ef0
[  108.008790][  T932] PKRU: 55555554
[  108.009030][  T932] Call Trace:
[  108.009265][  T932]  <TASK>
[ 108.009434][ T932] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.009760][ T932] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.010079][ T932] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.010483][ T932] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.010813][ T932] netif_set_mtu (net/core/dev.c:9652) 
[ 108.011152][ T932] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.011486][ T932] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.011935][ T932] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.012176][ T932] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.012623][ T932] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.012987][ T932] do_set_master (net/core/rtnetlink.c:2948) 
[ 108.013304][ T932] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.013649][ T932] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.013969][ T932] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.014284][ T932] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.014609][ T932] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.014926][ T932] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.015248][ T932] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.015573][ T932] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.015902][ T932] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.016227][ T932] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.016557][ T932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.016886][ T932] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.017204][ T932] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.017530][ T932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.017847][ T932] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.018174][ T932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.018513][ T932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.018835][ T932] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.019151][ T932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.019481][ T932] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.019806][ T932] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.020126][ 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) 
[ 108.020459][ T932] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 108.020788][ T932] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.021118][ T932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.021448][ T932] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.021766][ T932] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.022080][ T932] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.022413][ T932] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.022732][ T932] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.023051][ T932] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.023455][ T932] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 108.023779][ T932] ___sys_sendmsg (net/socket.c:2670) 
[ 108.024137][ T932] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.024491][ T932] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.024814][ T932] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.025126][ T932] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 108.025510][ T932] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.025843][ T932] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.026171][ T932] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 108.026532][ T932] __sys_sendmsg (net/socket.c:2700) 
[ 108.026862][ T932] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.027191][ 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) 
[ 108.027545][ 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) 
[ 108.027888][ T932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.028222][ T932] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.028572][ T932] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.028962][  T932] RIP: 0033:0x7f8fbae751e7
[ 108.029295][ T932] Code: Unable to access opcode bytes at 0x7f8fbae751bd.

Code starting with the faulting instruction
===========================================
[  108.029715][  T932] RSP: 002b:00007ffd486af418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.030198][  T932] RAX: ffffffffffffffda RBX: 00007ffd486afb40 RCX: 00007f8fbae751e7
[  108.030678][  T932] RDX: 0000000000000000 RSI: 00007ffd486af480 RDI: 0000000000000005
[  108.031155][  T932] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.031631][  T932] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd486afb78
[  108.032146][  T932] R13: 00000000686e3452 R14: 0000000000499600 R15: 0000000000000000
| [  108.199627][  T937] ------------[ cut here ]------------
| [ 108.200197][ T937] WARNING: CPU: 2 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) 
| [  108.201217][  T937] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.202810][  T937] Tainted: [W]=WARN
[  108.203135][  T937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.203637][ 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) 
[ 108.204043][ 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
[  108.205371][  T937] RSP: 0018:ffffc90001867080 EFLAGS: 00010246
[  108.205825][  T937] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  108.206387][  T937] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  108.206950][  T937] RBP: ffffc90001867168 R08: 0000000000000000 R09: 0000000000000000
[  108.207524][  T937] R10: ffffc90001867198 R11: ffffffff992a8918 R12: 1ffff9200030ce14
[  108.208082][  T937] R13: 00000000000005dc R14: ffffc90001867198 R15: ffff888005c5af08
[  108.208640][  T937] FS:  00007f4c1a48e800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  108.209322][  T937] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.209770][  T937] CR2: 00000000004a1738 CR3: 000000000c126003 CR4: 0000000000772ef0
[  108.210290][  T937] PKRU: 55555554
[  108.210562][  T937] Call Trace:
[  108.210829][  T937]  <TASK>
[ 108.211036][ T937] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.211404][ T937] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.211764][ T937] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.212173][ T937] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.212530][ T937] netif_set_mtu (net/core/dev.c:9652) 
[ 108.212922][ T937] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.213358][ T937] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.213855][ T937] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.214172][ T937] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.214661][ T937] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.215044][ T937] do_set_master (net/core/rtnetlink.c:2948) 
[ 108.215457][ T937] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.215838][ T937] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.216206][ T937] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.216564][ T937] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.216897][ T937] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.217275][ T937] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.217661][ T937] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.218018][ T937] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.218382][ T937] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.218747][ T937] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.219084][ T937] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.219480][ T937] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.219820][ T937] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.220169][ T937] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.220538][ T937] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.220953][ T937] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.221348][ T937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.221727][ T937] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.222063][ T937] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.222411][ T937] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.222776][ T937] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.223148][ 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) 
[ 108.223531][ T937] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 108.223897][ T937] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.224243][ T937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.224610][ T937] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.224955][ T937] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.225340][ T937] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.225715][ T937] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.226080][ T937] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.226431][ T937] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.226886][ T937] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 108.227230][ T937] ___sys_sendmsg (net/socket.c:2670) 
[ 108.227642][ T937] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.227982][ T937] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.228323][ T937] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.228672][ T937] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 108.229043][ T937] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.229447][ T937] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.229849][ T937] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 108.230226][ T937] __sys_sendmsg (net/socket.c:2700) 
[ 108.230588][ T937] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.230952][ 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) 
[ 108.231308][ 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) 
[ 108.231721][ T937] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.232084][ T937] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.232457][ T937] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.232920][  T937] RIP: 0033:0x7f4c1a65b1e7
[ 108.233299][ 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)
[  108.234536][  T937] RSP: 002b:00007fff64b1a078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.235043][  T937] RAX: ffffffffffffffda RBX: 00007fff64b1a7a0 RCX: 00007f4c1a65b1e7
[  108.235564][  T937] RDX: 0000000000000000 RSI: 00007fff64b1a0e0 RDI: 0000000000000005
[  108.236062][  T937] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.236593][  T937] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff64b1a7d8
[  108.237142][  T937] R13: 00000000686e3452 R14: 0000000000499600 R15: 0000000000000000
| [  108.415567][  T939] ------------[ cut here ]------------
| [ 108.416053][ T939] WARNING: CPU: 0 PID: 939 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  108.416719][  T939] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.417970][  T939] Tainted: [W]=WARN
[  108.418234][  T939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.418644][ T939] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 108.418982][ T939] 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
[  108.420950][  T939] RSP: 0018:ffffc900021b7080 EFLAGS: 00010246
[  108.421361][  T939] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  108.421852][  T939] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  108.422349][  T939] RBP: ffffc900021b7168 R08: 0000000000000000 R09: 0000000000000000
[  108.422831][  T939] R10: ffffc900021b7198 R11: ffffffff992a8918 R12: 1ffff92000436e14
[  108.423312][  T939] R13: 00000000000005dc R14: ffffc900021b7198 R15: ffff888005c5af08
[  108.423796][  T939] FS:  00007f4c15a55800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  108.424357][  T939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.424767][  T939] CR2: 00007f4c15d1a430 CR3: 000000000fd75004 CR4: 0000000000772ef0
[  108.425258][  T939] PKRU: 55555554
[  108.425528][  T939] Call Trace:
[  108.425780][  T939]  <TASK>
[ 108.425945][ T939] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.426280][ T939] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.426613][ T939] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.427012][ T939] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.427341][ T939] netif_set_mtu (net/core/dev.c:9652) 
[ 108.427681][ T939] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.428011][ T939] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.428467][ T939] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.428715][ T939] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.429146][ T939] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.429518][ T939] do_set_master (net/core/rtnetlink.c:2948) 
[ 108.429842][ T939] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.430178][ T939] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.430520][ T939] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.430863][ T939] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.431204][ T939] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.431546][ T939] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.431894][ T939] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.432223][ T939] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.432552][ T939] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.432895][ T939] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.433229][ T939] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.433583][ T939] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.433919][ T939] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.434253][ T939] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.434584][ T939] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.434907][ T939] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.435231][ T939] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.435569][ T939] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.435888][ T939] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.436204][ T939] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.436535][ T939] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.436854][ T939] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 108.437176][ T939] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 108.437501][ T939] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.437819][ T939] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.438148][ T939] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.438478][ T939] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.438796][ T939] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.439122][ T939] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.439462][ T939] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.439780][ T939] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.440188][ T939] ___sys_sendmsg (net/socket.c:2670) 
[ 108.440519][ T939] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.440854][ T939] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.441187][ T939] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 108.441441][ T939] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.441787][ T939] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.442108][ T939] ? mt_find (lib/maple_tree.c:6938) 
[ 108.442367][ T939] __sys_sendmsg (net/socket.c:2700) 
[ 108.442698][ T939] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.443020][ T939] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 108.443359][ T939] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 108.443702][ T939] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.444024][ T939] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.444343][ T939] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.444748][  T939] RIP: 0033:0x7f4c15c221e7
[ 108.445118][ T939] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  108.446279][  T939] RSP: 002b:00007ffc8671e048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.446778][  T939] RAX: ffffffffffffffda RBX: 00007ffc8671e770 RCX: 00007f4c15c221e7
[  108.447254][  T939] RDX: 0000000000000000 RSI: 00007ffc8671e0b0 RDI: 0000000000000005
[  108.447774][  T939] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.448329][  T939] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8671e7a8
[  108.448813][  T939] R13: 00000000686e3453 R14: 0000000000499600 R15: 0000000000000000
| [  108.606004][  T941] ------------[ cut here ]------------
| [ 108.606377][ T941] WARNING: CPU: 2 PID: 941 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  108.607086][  T941] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.608269][  T941] Tainted: [W]=WARN
[  108.608535][  T941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.609117][ T941] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 108.609476][ T941] 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
[  108.610628][  T941] RSP: 0018:ffffc900021b7080 EFLAGS: 00010246
[  108.611065][  T941] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  108.611566][  T941] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  108.612067][  T941] RBP: ffffc900021b7168 R08: 0000000000000000 R09: 0000000000000000
[  108.612568][  T941] R10: ffffc900021b7198 R11: ffffffff992a8918 R12: 1ffff92000436e14
[  108.613058][  T941] R13: 00000000000005dc R14: ffffc900021b7198 R15: ffff888005c5af08
[  108.613571][  T941] FS:  00007fe59417e800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  108.614152][  T941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.614583][  T941] CR2: 00007fa5234dc120 CR3: 0000000009452004 CR4: 0000000000772ef0
[  108.615074][  T941] PKRU: 55555554
[  108.615334][  T941] Call Trace:
[  108.615595][  T941]  <TASK>
[ 108.615773][ T941] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.616115][ T941] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.616461][ T941] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.616867][ T941] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.617206][ T941] netif_set_mtu (net/core/dev.c:9652) 
[ 108.617545][ T941] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.617902][ T941] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.618366][ T941] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.618635][ T941] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.619089][ T941] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.619473][ T941] do_set_master (net/core/rtnetlink.c:2948) 
[ 108.619807][ T941] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.620145][ T941] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.620488][ T941] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.620811][ T941] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.621148][ T941] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.621491][ T941] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.621827][ T941] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.622151][ T941] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.622500][ T941] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.622847][ T941] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.623177][ T941] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.623528][ T941] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.623852][ T941] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.624182][ T941] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.624524][ T941] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.624853][ T941] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.625186][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.625538][ T941] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.625869][ T941] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.626197][ T941] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.626548][ T941] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.626881][ T941] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 108.627211][ T941] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 108.627563][ T941] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.627894][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.628230][ T941] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.628571][ T941] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.628954][ T941] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.629316][ T941] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.629680][ T941] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.630047][ T941] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.630507][ T941] ___sys_sendmsg (net/socket.c:2670) 
[ 108.630868][ T941] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.631216][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.631579][ T941] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 108.631932][ T941] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 108.632279][ T941] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 108.632649][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.633005][ T941] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 108.633362][ T941] __sys_sendmsg (net/socket.c:2700) 
[ 108.633726][ T941] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.634091][ T941] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:638 ./include/linux/cpumask.h:1197 ./include/trace/events/preemptirq.h:40) 
[ 108.634561][ T941] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.634917][ T941] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.635278][ T941] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.635723][  T941] RIP: 0033:0x7fe59434b1e7
[ 108.636078][ T941] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  108.637267][  T941] RSP: 002b:00007fff91464e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.637799][  T941] RAX: ffffffffffffffda RBX: 00007fff91465530 RCX: 00007fe59434b1e7
[  108.638309][  T941] RDX: 0000000000000000 RSI: 00007fff91464e70 RDI: 0000000000000005
[  108.638830][  T941] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.639344][  T941] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff91465568
[  108.639876][  T941] R13: 00000000686e3453 R14: 0000000000499600 R15: 0000000000000000
| [  108.846941][  T944] ------------[ cut here ]------------
| [ 108.847374][ T944] WARNING: CPU: 2 PID: 944 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  108.848179][  T944] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.849774][  T944] Tainted: [W]=WARN
[  108.850065][  T944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.850527][ T944] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 108.850903][ T944] 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
[  108.852146][  T944] RSP: 0018:ffffc900005c7080 EFLAGS: 00010246
[  108.852618][  T944] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  108.853160][  T944] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  108.853703][  T944] RBP: ffffc900005c7168 R08: 0000000000000000 R09: 0000000000000000
[  108.854216][  T944] R10: ffffc900005c7198 R11: ffffffff992a8918 R12: 1ffff920000b8e14
[  108.854768][  T944] R13: 00000000000005dc R14: ffffc900005c7198 R15: ffff888005c5af08
[  108.855297][  T944] FS:  00007f91fb0f2800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  108.855928][  T944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.856362][  T944] CR2: 00000000004a1738 CR3: 000000000f42e001 CR4: 0000000000772ef0
[  108.856887][  T944] PKRU: 55555554
[  108.857153][  T944] Call Trace:
[  108.857428][  T944]  <TASK>
[ 108.857616][ T944] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.857985][ T944] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.858344][ T944] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.858784][ T944] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.859134][ T944] netif_set_mtu (net/core/dev.c:9652) 
[ 108.859508][ T944] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.859863][ T944] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.860342][ T944] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.860623][ T944] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.861125][ T944] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.861548][ T944] do_set_master (net/core/rtnetlink.c:2948) 
[ 108.861909][ T944] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.862270][ T944] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.862665][ T944] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.863011][ T944] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.863362][ T944] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.863723][ T944] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.864079][ T944] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.864431][ T944] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.864796][ T944] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.865150][ T944] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.865519][ T944] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.865877][ T944] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.866239][ T944] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.866593][ T944] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.866937][ T944] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.867286][ T944] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.867647][ T944] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.868014][ T944] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.868378][ T944] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.868742][ T944] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.869131][ T944] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.869500][ T944] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 108.869855][ T944] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 108.870219][ T944] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.870584][ T944] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.870953][ T944] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.871312][ T944] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.871668][ T944] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.872020][ T944] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.872366][ T944] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.872719][ T944] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.873149][ T944] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 108.873511][ T944] ___sys_sendmsg (net/socket.c:2670) 
[ 108.873877][ T944] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.874241][ T944] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.874608][ T944] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.874953][ T944] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 108.875307][ T944] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.875679][ T944] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.876024][ T944] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 108.876419][ T944] __sys_sendmsg (net/socket.c:2700) 
[ 108.876773][ T944] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.877128][ T944] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 108.877497][ T944] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 108.877863][ T944] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.878213][ T944] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.878568][ T944] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.879016][  T944] RIP: 0033:0x7f91fb2bf1e7
[ 108.879376][ T944] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  108.880601][  T944] RSP: 002b:00007ffc4a630fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.881138][  T944] RAX: ffffffffffffffda RBX: 00007ffc4a631710 RCX: 00007f91fb2bf1e7
[  108.881669][  T944] RDX: 0000000000000000 RSI: 00007ffc4a631050 RDI: 0000000000000005
[  108.882185][  T944] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.882718][  T944] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4a631748
[  108.883235][  T944] R13: 00000000686e3453 R14: 0000000000499600 R15: 0000000000000000
| [  109.021817][  T946] ------------[ cut here ]------------
| [ 109.022178][ T946] WARNING: CPU: 0 PID: 946 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  109.024403][  T946] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.025632][  T946] Tainted: [W]=WARN
[  109.025883][  T946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.026320][ T946] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 109.026677][ T946] 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
[  109.027880][  T946] RSP: 0018:ffffc90002337080 EFLAGS: 00010246
[  109.028311][  T946] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  109.028804][  T946] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  109.029287][  T946] RBP: ffffc90002337168 R08: 0000000000000000 R09: 0000000000000000
[  109.029785][  T946] R10: ffffc90002337198 R11: ffffffff992a8918 R12: 1ffff92000466e14
[  109.030271][  T946] R13: 00000000000005dc R14: ffffc90002337198 R15: ffff888005c5af08
[  109.030760][  T946] FS:  00007f52c2f6e800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  109.031337][  T946] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.031755][  T946] CR2: 00000000004a1738 CR3: 000000000f44d005 CR4: 0000000000772ef0
[  109.032243][  T946] PKRU: 55555554
[  109.032496][  T946] Call Trace:
[  109.032739][  T946]  <TASK>
[ 109.032914][ T946] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.033245][ T946] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.033584][ T946] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.033988][ T946] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.034325][ T946] netif_set_mtu (net/core/dev.c:9652) 
[ 109.034657][ T946] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.034991][ T946] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.035455][ T946] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.035703][ T946] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.036144][ T946] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.036521][ T946] do_set_master (net/core/rtnetlink.c:2948) 
[ 109.036850][ T946] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.037185][ T946] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.037532][ T946] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.037856][ T946] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.038180][ T946] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.038514][ T946] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.038844][ T946] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.039184][ T946] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.039532][ T946] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.039873][ T946] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.040202][ T946] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.040582][ T946] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.040934][ T946] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.041273][ T946] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.041617][ T946] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.041950][ T946] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.042282][ T946] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.042624][ T946] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.042954][ T946] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.043286][ T946] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.043634][ T946] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.043958][ T946] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 109.044293][ T946] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.044649][ T946] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.044979][ T946] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.045320][ T946] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.045669][ T946] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.046004][ T946] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.046345][ T946] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.046693][ T946] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.047028][ T946] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.047446][ T946] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.047809][ T946] ___sys_sendmsg (net/socket.c:2670) 
[ 109.048143][ T946] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.048502][ T946] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.048838][ T946] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.049174][ T946] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.049535][ T946] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.049864][ T946] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.050196][ T946] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.050583][ T946] __sys_sendmsg (net/socket.c:2700) 
[ 109.050932][ T946] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.051273][ T946] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 109.051619][ T946] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 109.051968][ T946] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.052303][ T946] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.052644][ T946] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.053058][  T946] RIP: 0033:0x7f52c313b1e7
[ 109.053408][ T946] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  109.054587][  T946] RSP: 002b:00007fffef4a2578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.055083][  T946] RAX: ffffffffffffffda RBX: 00007fffef4a2ca0 RCX: 00007f52c313b1e7
[  109.055586][  T946] RDX: 0000000000000000 RSI: 00007fffef4a25e0 RDI: 0000000000000005
[  109.056079][  T946] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.056576][  T946] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffef4a2cd8
[  109.057089][  T946] R13: 00000000686e3453 R14: 0000000000499600 R15: 0000000000000000
| [  109.229747][  T948] ------------[ cut here ]------------
| [ 109.230078][ 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) 
| [  109.230832][  T948] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.232033][  T948] Tainted: [W]=WARN
[  109.232289][  T948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.232707][ 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) 
[ 109.233046][ 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
[  109.234364][  T948] RSP: 0018:ffffc90000577080 EFLAGS: 00010246
[  109.234789][  T948] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  109.235291][  T948] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  109.235782][  T948] RBP: ffffc90000577168 R08: 0000000000000000 R09: 0000000000000000
[  109.236278][  T948] R10: ffffc90000577198 R11: ffffffff992a8918 R12: 1ffff920000aee14
[  109.236782][  T948] R13: 00000000000005dc R14: ffffc90000577198 R15: ffff888005c5af08
[  109.237283][  T948] FS:  00007f22ef009800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  109.237873][  T948] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.238292][  T948] CR2: 00007fa5238fb198 CR3: 0000000009b21002 CR4: 0000000000772ef0
[  109.238787][  T948] PKRU: 55555554
[  109.239026][  T948] Call Trace:
[  109.239290][  T948]  <TASK>
[ 109.239479][ T948] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.239826][ T948] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.240182][ T948] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.240618][ T948] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.241001][ T948] netif_set_mtu (net/core/dev.c:9652) 
[ 109.241338][ T948] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.241679][ T948] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.242140][ T948] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.242401][ T948] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.242869][ T948] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.243263][ T948] do_set_master (net/core/rtnetlink.c:2948) 
[ 109.243602][ T948] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.243928][ T948] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.244280][ T948] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.244611][ T948] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.244935][ T948] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.245286][ T948] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.245675][ T948] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.246007][ T948] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.246410][ T948] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.246757][ T948] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.247135][ T948] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.247491][ T948] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.247814][ T948] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.248146][ T948] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.248493][ T948] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.248821][ T948] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.249170][ T948] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.249517][ T948] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.249867][ T948] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.250214][ T948] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.250558][ T948] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.250900][ 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) 
[ 109.251234][ T948] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.251573][ T948] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.251896][ T948] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.252239][ T948] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.252578][ T948] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.252897][ T948] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.253252][ T948] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.253592][ T948] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.253921][ T948] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.254343][ T948] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.254683][ T948] ___sys_sendmsg (net/socket.c:2670) 
[ 109.255003][ T948] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.255321][ T948] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.255664][ T948] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.255992][ T948] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.256322][ T948] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.256654][ T948] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.256973][ T948] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.257335][ T948] __sys_sendmsg (net/socket.c:2700) 
[ 109.257684][ T948] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.258001][ 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) 
[ 109.258356][ 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) 
[ 109.259220][ T948] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.259581][ T948] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.259906][ T948] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.260305][  T948] RIP: 0033:0x7f22ef1d61e7
[ 109.260654][ 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)
[  109.261821][  T948] RSP: 002b:00007ffd8991a428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.262326][  T948] RAX: ffffffffffffffda RBX: 00007ffd8991ab50 RCX: 00007f22ef1d61e7
[  109.262830][  T948] RDX: 0000000000000000 RSI: 00007ffd8991a490 RDI: 0000000000000005
[  109.263314][  T948] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.263830][  T948] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd8991ab88
[  109.264568][  T948] R13: 00000000686e3453 R14: 0000000000499600 R15: 0000000000000000
| [  109.417329][  T950] ------------[ cut here ]------------
| [ 109.417689][ T950] WARNING: CPU: 1 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) 
| [  109.418328][  T950] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.419479][  T950] Tainted: [W]=WARN
[  109.419717][  T950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.420114][ 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) 
[ 109.420486][ 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
[  109.421641][  T950] RSP: 0018:ffffc90000577080 EFLAGS: 00010246
[  109.422042][  T950] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  109.422527][  T950] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  109.423015][  T950] RBP: ffffc90000577168 R08: 0000000000000000 R09: 0000000000000000
[  109.423492][  T950] R10: ffffc90000577198 R11: ffffffff992a8918 R12: 1ffff920000aee14
[  109.423968][  T950] R13: 00000000000005dc R14: ffffc90000577198 R15: ffff888005c5af08
[  109.424481][  T950] FS:  00007f63e94dd800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  109.425043][  T950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.425462][  T950] CR2: 00000000004a1738 CR3: 000000000a1e1002 CR4: 0000000000772ef0
[  109.425937][  T950] PKRU: 55555554
[  109.426175][  T950] Call Trace:
[  109.426423][  T950]  <TASK>
[ 109.426588][ T950] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.426911][ T950] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.427232][ T950] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.427644][ T950] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.427966][ T950] netif_set_mtu (net/core/dev.c:9652) 
[ 109.428322][ T950] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.428673][ T950] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.429172][ T950] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.429434][ T950] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.429875][ T950] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.430240][ T950] do_set_master (net/core/rtnetlink.c:2948) 
[ 109.430570][ T950] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.430907][ T950] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.431231][ T950] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.431556][ T950] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.431873][ T950] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.432221][ T950] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.432558][ T950] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.432876][ T950] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.433198][ T950] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.433535][ T950] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.433859][ T950] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.434188][ T950] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.434510][ T950] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.434837][ T950] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.435147][ T950] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.435471][ T950] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.435790][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.436108][ T950] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.436473][ T950] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.436788][ T950] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.437121][ T950] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.437447][ 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) 
[ 109.437763][ T950] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.438080][ T950] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.438402][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.438727][ T950] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.439049][ T950] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.439371][ T950] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.439703][ T950] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.440029][ T950] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.440374][ T950] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.440785][ T950] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.441121][ T950] ___sys_sendmsg (net/socket.c:2670) 
[ 109.441452][ T950] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.441767][ T950] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.442092][ T950] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.442417][ T950] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.442742][ T950] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.443055][ T950] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.443367][ T950] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.443710][ T950] __sys_sendmsg (net/socket.c:2700) 
[ 109.444033][ T950] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.444380][ 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) 
[ 109.444719][ 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) 
[ 109.445039][ T950] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.445356][ T950] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.445684][ T950] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.446075][  T950] RIP: 0033:0x7f63e96aa1e7
[ 109.446417][ 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)
[  109.448107][  T950] RSP: 002b:00007fff39046998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.448942][  T950] RAX: ffffffffffffffda RBX: 00007fff390470c0 RCX: 00007f63e96aa1e7
[  109.449821][  T950] RDX: 0000000000000000 RSI: 00007fff39046a00 RDI: 0000000000000005
[  109.450699][  T950] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.451584][  T950] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff390470f8
[  109.452440][  T950] R13: 00000000686e3454 R14: 0000000000499600 R15: 0000000000000000
| [  109.595074][  T953] ------------[ cut here ]------------
| [ 109.595417][ 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) 
| [  109.596066][  T953] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.597283][  T953] Tainted: [W]=WARN
[  109.597556][  T953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.597970][ 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) 
[ 109.598315][ 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
[  109.599482][  T953] RSP: 0018:ffffc90000787080 EFLAGS: 00010246
[  109.599901][  T953] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  109.600403][  T953] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  109.600933][  T953] RBP: ffffc90000787168 R08: 0000000000000000 R09: 0000000000000000
[  109.601442][  T953] R10: ffffc90000787198 R11: ffffffff992a8918 R12: 1ffff920000f0e14
[  109.601931][  T953] R13: 00000000000005dc R14: ffffc90000787198 R15: ffff888005c5af08
[  109.602430][  T953] FS:  00007f0e6623b800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  109.603005][  T953] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.603424][  T953] CR2: 00000000004a1738 CR3: 000000000ba63006 CR4: 0000000000772ef0
[  109.603915][  T953] PKRU: 55555554
[  109.604167][  T953] Call Trace:
[  109.604433][  T953]  <TASK>
[ 109.604611][ T953] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.604950][ T953] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.605306][ T953] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.605727][ T953] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.606064][ T953] netif_set_mtu (net/core/dev.c:9652) 
[ 109.606403][ T953] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.606746][ T953] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.607203][ T953] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.607465][ T953] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.607920][ T953] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.608296][ T953] do_set_master (net/core/rtnetlink.c:2948) 
[ 109.608639][ T953] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.608971][ T953] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.609304][ T953] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.609640][ T953] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.609995][ T953] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.610332][ T953] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.610697][ T953] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.611171][ T953] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.611704][ T953] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.612055][ T953] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.612387][ T953] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.612737][ T953] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.613067][ T953] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.613408][ T953] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.613765][ T953] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.614099][ T953] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.614444][ T953] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.614782][ T953] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.615127][ T953] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.615479][ T953] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.615819][ T953] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.616147][ 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) 
[ 109.616484][ T953] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.616824][ T953] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.617169][ T953] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.617525][ T953] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.617863][ T953] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.618192][ T953] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.618547][ T953] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.618881][ T953] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.619208][ T953] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.619625][ T953] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.619961][ T953] ___sys_sendmsg (net/socket.c:2670) 
[ 109.620298][ T953] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.620635][ T953] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.621011][ T953] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.621341][ T953] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.622151][ T953] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.622486][ T953] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.622817][ T953] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.623626][ T953] __sys_sendmsg (net/socket.c:2700) 
[ 109.623954][ T953] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.624277][ 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) 
[ 109.624856][ 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) 
[ 109.625201][ T953] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.625552][ T953] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.625896][ T953] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.626313][  T953] RIP: 0033:0x7f0e664081e7
[ 109.626665][ 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)
[  109.628063][  T953] RSP: 002b:00007ffddc891c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.628567][  T953] RAX: ffffffffffffffda RBX: 00007ffddc892340 RCX: 00007f0e664081e7
[  109.629060][  T953] RDX: 0000000000000000 RSI: 00007ffddc891c80 RDI: 0000000000000005
[  109.629567][  T953] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.630056][  T953] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffddc892378
[  109.630812][  T953] R13: 00000000686e3454 R14: 0000000000499600 R15: 0000000000000000
| [  109.790459][  T955] ------------[ cut here ]------------
| [ 109.790816][ T955] WARNING: CPU: 2 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) 
| [  109.791557][  T955] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.792781][  T955] Tainted: [W]=WARN
[  109.793042][  T955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.793465][ 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) 
[ 109.793814][ 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
[  109.794987][  T955] RSP: 0018:ffffc900007a7080 EFLAGS: 00010246
[  109.795423][  T955] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  109.795926][  T955] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  109.796434][  T955] RBP: ffffc900007a7168 R08: 0000000000000000 R09: 0000000000000000
[  109.796942][  T955] R10: ffffc900007a7198 R11: ffffffff992a8918 R12: 1ffff920000f4e14
[  109.797439][  T955] R13: 00000000000005dc R14: ffffc900007a7198 R15: ffff888005c5af08
[  109.797935][  T955] FS:  00007fe51d29d800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  109.798527][  T955] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.798964][  T955] CR2: 00000000004a1738 CR3: 000000000209e005 CR4: 0000000000772ef0
[  109.799473][  T955] PKRU: 55555554
[  109.799729][  T955] Call Trace:
[  109.799987][  T955]  <TASK>
[ 109.800169][ T955] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.800513][ T955] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.800871][ T955] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.801306][ T955] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.801650][ T955] netif_set_mtu (net/core/dev.c:9652) 
[ 109.801983][ T955] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.802347][ T955] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.802818][ T955] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.803073][ T955] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.803524][ T955] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.803905][ T955] do_set_master (net/core/rtnetlink.c:2948) 
[ 109.804243][ T955] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.804592][ T955] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.804925][ T955] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.805264][ T955] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.805600][ T955] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.805964][ T955] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.806311][ T955] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.806652][ T955] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.806999][ T955] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.807351][ T955] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.807706][ T955] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.808046][ T955] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.808376][ T955] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.808721][ T955] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.809057][ T955] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.809644][ T955] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.810207][ T955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.810694][ T955] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.811208][ T955] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.811692][ T955] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.812178][ T955] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.812665][ 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) 
[ 109.813029][ T955] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.813361][ T955] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.813703][ T955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.814039][ T955] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.814373][ T955] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.814713][ T955] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.815059][ T955] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.815405][ T955] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.815736][ T955] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.816148][ T955] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.816505][ T955] ___sys_sendmsg (net/socket.c:2670) 
[ 109.816854][ T955] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.817183][ T955] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.817530][ T955] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.817868][ T955] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.818202][ T955] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.818542][ T955] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.818869][ T955] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.819214][ T955] __sys_sendmsg (net/socket.c:2700) 
[ 109.819566][ T955] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.819903][ 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) 
[ 109.820247][ 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) 
[ 109.820595][ T955] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.820960][ T955] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.821301][ T955] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.821726][  T955] RIP: 0033:0x7fe51d46a1e7
[ 109.822083][ 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)
[  109.823257][  T955] RSP: 002b:00007ffe73d7e128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.823761][  T955] RAX: ffffffffffffffda RBX: 00007ffe73d7e850 RCX: 00007fe51d46a1e7
[  109.824252][  T955] RDX: 0000000000000000 RSI: 00007ffe73d7e190 RDI: 0000000000000005
[  109.824752][  T955] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.825245][  T955] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe73d7e888
[  109.825752][  T955] R13: 00000000686e3454 R14: 0000000000499600 R15: 0000000000000000
| [  110.006552][  T956] ------------[ cut here ]------------
| [ 110.006881][ T956] WARNING: CPU: 0 PID: 956 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.007532][  T956] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.008862][  T956] Tainted: [W]=WARN
[  110.009111][  T956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.009515][ T956] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.009842][ T956] 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
[  110.011011][  T956] RSP: 0018:ffffc90000767080 EFLAGS: 00010246
[  110.011440][  T956] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  110.011928][  T956] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  110.012428][  T956] RBP: ffffc90000767168 R08: 0000000000000000 R09: 0000000000000000
[  110.012914][  T956] R10: ffffc90000767198 R11: ffffffff992a8918 R12: 1ffff920000ece14
[  110.013404][  T956] R13: 00000000000005dc R14: ffffc90000767198 R15: ffff888005c5af08
[  110.013890][  T956] FS:  00007f83d35a6800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  110.014463][  T956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.014874][  T956] CR2: 00007fa523704a00 CR3: 0000000009372003 CR4: 0000000000772ef0
[  110.015357][  T956] PKRU: 55555554
[  110.015604][  T956] Call Trace:
[  110.015845][  T956]  <TASK>
[ 110.016007][ T956] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.016337][ T956] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.016669][ T956] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.017066][ T956] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.017387][ T956] netif_set_mtu (net/core/dev.c:9652) 
[ 110.017718][ T956] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.018046][ T956] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.018503][ T956] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.018750][ T956] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.019184][ T956] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.019557][ T956] do_set_master (net/core/rtnetlink.c:2948) 
[ 110.019878][ T956] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.020200][ T956] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.020533][ T956] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.020860][ T956] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.021185][ T956] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.021509][ T956] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.021838][ T956] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.022155][ T956] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.022490][ T956] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.022838][ T956] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.023165][ T956] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.023506][ T956] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.023827][ T956] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.024151][ T956] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.024476][ T956] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.024798][ T956] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.025123][ T956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.025455][ T956] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.025780][ T956] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.026101][ T956] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.026440][ T956] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.026782][ T956] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.027104][ T956] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.027433][ T956] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.027761][ T956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.028090][ T956] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.028426][ T956] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.028748][ T956] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.029089][ T956] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.029445][ T956] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.029764][ T956] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.030174][ T956] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.030513][ T956] ___sys_sendmsg (net/socket.c:2670) 
[ 110.030834][ T956] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.031191][ T956] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.031528][ T956] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.031852][ T956] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.032176][ T956] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.032509][ T956] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.032824][ T956] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.033165][ T956] __sys_sendmsg (net/socket.c:2700) 
[ 110.033497][ T956] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.033822][ T956] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 110.034150][ T956] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 110.034525][ T956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.034872][ T956] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.035203][ T956] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.035625][  T956] RIP: 0033:0x7f83d37731e7
[ 110.035956][ T956] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.037129][  T956] RSP: 002b:00007ffdfe183158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.037617][  T956] RAX: ffffffffffffffda RBX: 00007ffdfe183880 RCX: 00007f83d37731e7
[  110.038091][  T956] RDX: 0000000000000000 RSI: 00007ffdfe1831c0 RDI: 0000000000000005
[  110.038647][  T956] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.039127][  T956] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdfe1838b8
[  110.039608][  T956] R13: 00000000686e3454 R14: 0000000000499600 R15: 0000000000000000
| [  110.205781][  T959] ------------[ cut here ]------------
| [ 110.206124][ T959] WARNING: CPU: 0 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) 
| [  110.207479][  T959] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.208645][  T959] Tainted: [W]=WARN
[  110.208884][  T959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.209293][ 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) 
[ 110.209643][ 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
[  110.210812][  T959] RSP: 0018:ffffc90000747080 EFLAGS: 00010246
[  110.211254][  T959] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  110.211759][  T959] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  110.212265][  T959] RBP: ffffc90000747168 R08: 0000000000000000 R09: 0000000000000000
[  110.212757][  T959] R10: ffffc90000747198 R11: ffffffff992a8918 R12: 1ffff920000e8e14
[  110.213249][  T959] R13: 00000000000005dc R14: ffffc90000747198 R15: ffff888005c5af08
[  110.213752][  T959] FS:  00007f7bef3d1800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  110.214307][  T959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.214727][  T959] CR2: 00000000004a1738 CR3: 000000000941c006 CR4: 0000000000772ef0
[  110.215212][  T959] PKRU: 55555554
[  110.215468][  T959] Call Trace:
[  110.215715][  T959]  <TASK>
[ 110.215889][ T959] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.216247][ T959] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.216578][ T959] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.216984][ T959] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.217303][ T959] netif_set_mtu (net/core/dev.c:9652) 
[ 110.217631][ T959] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.217959][ T959] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.218447][ T959] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.218694][ T959] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.219142][ T959] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.219514][ T959] do_set_master (net/core/rtnetlink.c:2948) 
[ 110.219846][ T959] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.220183][ T959] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.220521][ T959] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.220837][ T959] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.221159][ T959] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.221484][ T959] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.221805][ T959] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.222116][ T959] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.222446][ T959] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.222771][ T959] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.223096][ T959] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.223436][ T959] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.223749][ T959] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.224065][ T959] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.224375][ T959] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.224703][ T959] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.225022][ T959] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.225349][ T959] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.225675][ T959] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.225991][ T959] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.226318][ T959] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.226642][ 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) 
[ 110.226963][ T959] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.227281][ T959] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.227626][ T959] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.227953][ T959] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.228269][ T959] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.228593][ T959] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.228916][ T959] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.229237][ T959] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.229562][ T959] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.229970][ T959] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.230293][ T959] ___sys_sendmsg (net/socket.c:2670) 
[ 110.230619][ T959] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.230945][ T959] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.231270][ T959] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.231603][ T959] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.231945][ T959] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.232266][ T959] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.232588][ T959] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.232924][ T959] __sys_sendmsg (net/socket.c:2700) 
[ 110.233237][ T959] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.233560][ 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) 
[ 110.233887][ 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) 
[ 110.234215][ T959] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.234543][ T959] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.234858][ T959] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.235245][  T959] RIP: 0033:0x7f7bef59e1e7
[ 110.235582][ 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)
[  110.236710][  T959] RSP: 002b:00007fff2a03a218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.237184][  T959] RAX: ffffffffffffffda RBX: 00007fff2a03a940 RCX: 00007f7bef59e1e7
[  110.237658][  T959] RDX: 0000000000000000 RSI: 00007fff2a03a280 RDI: 0000000000000005
[  110.238129][  T959] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.238612][  T959] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff2a03a978
[  110.239089][  T959] R13: 00000000686e3454 R14: 0000000000499600 R15: 0000000000000000
| [  110.407305][  T960] ------------[ cut here ]------------
| [ 110.407812][ T960] WARNING: CPU: 3 PID: 960 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.408593][  T960] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.409994][  T960] Tainted: [W]=WARN
[  110.410238][  T960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.410788][ T960] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.411174][ T960] 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
[  110.412382][  T960] RSP: 0018:ffffc900005b7080 EFLAGS: 00010246
[  110.412791][  T960] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  110.413269][  T960] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  110.413788][  T960] RBP: ffffc900005b7168 R08: 0000000000000000 R09: 0000000000000000
[  110.414279][  T960] R10: ffffc900005b7198 R11: ffffffff992a8918 R12: 1ffff920000b6e14
[  110.414765][  T960] R13: 00000000000005dc R14: ffffc900005b7198 R15: ffff888005c5af08
[  110.415241][  T960] FS:  00007fb5f1592800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  110.415825][  T960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.416244][  T960] CR2: 00000000004a1738 CR3: 000000000be18003 CR4: 0000000000772ef0
[  110.416738][  T960] PKRU: 55555554
[  110.416978][  T960] Call Trace:
[  110.417214][  T960]  <TASK>
[ 110.417380][ T960] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.417741][ T960] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.418072][ T960] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.418486][ T960] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.418814][ T960] netif_set_mtu (net/core/dev.c:9652) 
[ 110.419131][ T960] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.419468][ T960] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.419919][ T960] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.420165][ T960] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.420605][ T960] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.420993][ T960] do_set_master (net/core/rtnetlink.c:2948) 
[ 110.421315][ T960] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.421645][ T960] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.422000][ T960] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.422322][ T960] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.422674][ T960] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.422996][ T960] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.423327][ T960] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.423670][ T960] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.423996][ T960] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.424326][ T960] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.424654][ T960] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.424982][ T960] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.425300][ T960] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.425629][ T960] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.425983][ T960] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.426305][ T960] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.426658][ T960] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.426979][ T960] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.427294][ T960] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.427620][ T960] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.427952][ T960] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.428273][ T960] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.428598][ T960] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.428923][ T960] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.429234][ T960] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.429562][ T960] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.429932][ T960] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.430257][ T960] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.430598][ T960] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.430934][ T960] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.431257][ T960] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.431678][ T960] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.432002][ T960] ___sys_sendmsg (net/socket.c:2670) 
[ 110.432317][ T960] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.432637][ T960] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.432954][ T960] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.433267][ T960] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.433601][ T960] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.433962][ T960] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.434288][ T960] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.434645][ T960] __sys_sendmsg (net/socket.c:2700) 
[ 110.434963][ T960] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.435310][ T960] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 110.435645][ T960] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 110.435964][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.436283][ T960] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.436611][ T960] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.437006][  T960] RIP: 0033:0x7fb5f175f1e7
[ 110.437339][ T960] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.438540][  T960] RSP: 002b:00007ffd8861edb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.439027][  T960] RAX: ffffffffffffffda RBX: 00007ffd8861f4e0 RCX: 00007fb5f175f1e7
[  110.439535][  T960] RDX: 0000000000000000 RSI: 00007ffd8861ee20 RDI: 0000000000000005
[  110.440016][  T960] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.440508][  T960] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd8861f518
[  110.441007][  T960] R13: 00000000686e3455 R14: 0000000000499600 R15: 0000000000000000
| [  110.602190][  T963] ------------[ cut here ]------------
| [ 110.602616][ 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) 
| [  110.603258][  T963] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.604448][  T963] Tainted: [W]=WARN
[  110.604707][  T963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.605127][ 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) 
[ 110.605480][ 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
[  110.606633][  T963] RSP: 0018:ffffc900005b7080 EFLAGS: 00010246
[  110.607049][  T963] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  110.607548][  T963] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  110.608081][  T963] RBP: ffffc900005b7168 R08: 0000000000000000 R09: 0000000000000000
[  110.608588][  T963] R10: ffffc900005b7198 R11: ffffffff992a8918 R12: 1ffff920000b6e14
[  110.609080][  T963] R13: 00000000000005dc R14: ffffc900005b7198 R15: ffff888005c5af08
[  110.609581][  T963] FS:  00007fd8cd952800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  110.610155][  T963] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.610589][  T963] CR2: 00000000004a1738 CR3: 000000000b76a004 CR4: 0000000000772ef0
[  110.611099][  T963] PKRU: 55555554
[  110.611354][  T963] Call Trace:
[  110.611614][  T963]  <TASK>
[ 110.611793][ T963] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.612135][ T963] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.612495][ T963] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.612918][ T963] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.613254][ T963] netif_set_mtu (net/core/dev.c:9652) 
[ 110.613593][ T963] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.613936][ T963] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.614422][ T963] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.614679][ T963] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.615131][ T963] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.615519][ T963] do_set_master (net/core/rtnetlink.c:2948) 
[ 110.615852][ T963] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.616189][ T963] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.616533][ T963] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.616863][ T963] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.617196][ T963] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.617540][ T963] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.617879][ T963] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.618209][ T963] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.618554][ T963] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.618900][ T963] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.619237][ T963] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.619592][ T963] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.619922][ T963] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.620257][ T963] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.620595][ T963] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.620965][ T963] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.621314][ T963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.621662][ T963] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.621993][ T963] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.622333][ T963] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.622692][ T963] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.623025][ 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) 
[ 110.623359][ T963] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.623702][ T963] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.624034][ T963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.624376][ T963] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.624726][ T963] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.625056][ T963] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.625407][ T963] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.625748][ T963] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.626075][ T963] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.626494][ T963] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.626831][ T963] ___sys_sendmsg (net/socket.c:2670) 
[ 110.627172][ T963] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.627508][ T963] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.627842][ T963] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.628169][ T963] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.628742][ T963] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.629306][ T963] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.629652][ T963] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.630035][ T963] __sys_sendmsg (net/socket.c:2700) 
[ 110.630374][ T963] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.630712][ 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) 
[ 110.631082][ 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) 
[ 110.631424][ T963] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.631763][ T963] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.632559][ T963] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.632974][  T963] RIP: 0033:0x7fd8cdb1f1e7
[ 110.634031][ 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)
[  110.635456][  T963] RSP: 002b:00007ffe0ae11a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.636432][  T963] RAX: ffffffffffffffda RBX: 00007ffe0ae12170 RCX: 00007fd8cdb1f1e7
[  110.637164][  T963] RDX: 0000000000000000 RSI: 00007ffe0ae11ab0 RDI: 0000000000000005
[  110.637698][  T963] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.638733][  T963] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe0ae121a8
[  110.639238][  T963] R13: 00000000686e3455 R14: 0000000000499600 R15: 0000000000000000
| [  110.786072][  T964] ------------[ cut here ]------------
| [ 110.786443][ T964] WARNING: CPU: 3 PID: 964 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.787087][  T964] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.788244][  T964] Tainted: [W]=WARN
[  110.788501][  T964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.788904][ T964] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.789254][ T964] 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
[  110.790417][  T964] RSP: 0018:ffffc900005d7080 EFLAGS: 00010246
[  110.790833][  T964] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  110.791334][  T964] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  110.791815][  T964] RBP: ffffc900005d7168 R08: 0000000000000000 R09: 0000000000000000
[  110.792298][  T964] R10: ffffc900005d7198 R11: ffffffff992a8918 R12: 1ffff920000bae14
[  110.792789][  T964] R13: 00000000000005dc R14: ffffc900005d7198 R15: ffff888005c5af08
[  110.793280][  T964] FS:  00007f8c9ae7e800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  110.793845][  T964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.794251][  T964] CR2: 00000000004a1738 CR3: 00000000021ad003 CR4: 0000000000772ef0
[  110.794737][  T964] PKRU: 55555554
[  110.794987][  T964] Call Trace:
[  110.795242][  T964]  <TASK>
[ 110.795426][ T964] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.795753][ T964] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.796084][ T964] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.796509][ T964] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.796837][ T964] netif_set_mtu (net/core/dev.c:9652) 
[ 110.797164][ T964] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.797513][ T964] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.797966][ T964] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.798214][ T964] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.798674][ T964] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.799037][ T964] do_set_master (net/core/rtnetlink.c:2948) 
[ 110.799360][ T964] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.799694][ T964] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.800016][ T964] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.800345][ T964] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.800673][ T964] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.801011][ T964] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.801341][ T964] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.801664][ T964] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.801994][ T964] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.802329][ T964] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.802672][ T964] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.803000][ T964] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.803317][ T964] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.803644][ T964] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.803972][ T964] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.804297][ T964] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.804629][ T964] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.804954][ T964] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.805280][ T964] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.805611][ T964] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.805955][ T964] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.806279][ T964] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.806621][ T964] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.806941][ T964] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.807258][ T964] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.807593][ T964] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.807917][ T964] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.808250][ T964] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.808592][ T964] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.808916][ T964] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.809236][ T964] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.809658][ T964] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.809981][ T964] ___sys_sendmsg (net/socket.c:2670) 
[ 110.810300][ T964] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.810622][ T964] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.810948][ T964] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.811262][ T964] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.811593][ T964] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.811909][ T964] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.812222][ T964] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.812565][ T964] __sys_sendmsg (net/socket.c:2700) 
[ 110.812884][ T964] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.813202][ T964] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 110.813533][ T964] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 110.813852][ T964] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.814170][ T964] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.814516][ T964] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.814915][  T964] RIP: 0033:0x7f8c9b04b1e7
[ 110.815244][ T964] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.816374][  T964] RSP: 002b:00007fffd98244a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.816862][  T964] RAX: ffffffffffffffda RBX: 00007fffd9824bd0 RCX: 00007f8c9b04b1e7
[  110.817337][  T964] RDX: 0000000000000000 RSI: 00007fffd9824510 RDI: 0000000000000005
[  110.817821][  T964] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.818308][  T964] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffd9824c08
[  110.818799][  T964] R13: 00000000686e3455 R14: 0000000000499600 R15: 0000000000000000
| [  111.017218][  T966] ------------[ cut here ]------------
| [ 111.017591][ T966] WARNING: CPU: 3 PID: 966 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.018240][  T966] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.019400][  T966] Tainted: [W]=WARN
[  111.019638][  T966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.020032][ T966] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.020366][ T966] 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
[  111.021553][  T966] RSP: 0018:ffffc90000527080 EFLAGS: 00010246
[  111.021959][  T966] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  111.022439][  T966] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  111.022920][  T966] RBP: ffffc90000527168 R08: 0000000000000000 R09: 0000000000000000
[  111.023399][  T966] R10: ffffc90000527198 R11: ffffffff992a8918 R12: 1ffff920000a4e14
[  111.023872][  T966] R13: 00000000000005dc R14: ffffc90000527198 R15: ffff888005c5af08
[  111.024352][  T966] FS:  00007efef9112800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  111.024914][  T966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.025321][  T966] CR2: 00000000004a1738 CR3: 000000000fd1e005 CR4: 0000000000772ef0
[  111.025808][  T966] PKRU: 55555554
[  111.026049][  T966] Call Trace:
[  111.026286][  T966]  <TASK>
[ 111.026458][ T966] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.026781][ T966] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.027102][ T966] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.027507][ T966] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.027831][ T966] netif_set_mtu (net/core/dev.c:9652) 
[ 111.028162][ T966] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.028505][ T966] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.028973][ T966] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.029224][ T966] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.029677][ T966] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.030050][ T966] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.030376][ T966] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.030707][ T966] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.031049][ T966] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.031364][ T966] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.031695][ T966] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.032011][ T966] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.032334][ T966] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.032654][ T966] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.032991][ T966] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.033317][ T966] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.033647][ T966] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.033977][ T966] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.034298][ T966] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.034624][ T966] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.034942][ T966] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.035259][ T966] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.035605][ T966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.035957][ T966] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.036275][ T966] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.036605][ T966] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.036931][ T966] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.037247][ T966] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.037577][ T966] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.037903][ T966] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.038235][ T966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.038583][ T966] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.038920][ T966] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.039254][ T966] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.039599][ T966] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.039933][ T966] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.040265][ T966] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.040700][ T966] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.041051][ T966] ___sys_sendmsg (net/socket.c:2670) 
[ 111.041366][ T966] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.041687][ T966] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.042006][ T966] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.042320][ T966] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.042646][ T966] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.042975][ T966] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.043285][ T966] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.043636][ T966] __sys_sendmsg (net/socket.c:2700) 
[ 111.043971][ T966] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.044283][ T966] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 111.044617][ T966] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 111.044937][ T966] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.045299][ T966] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.045627][ T966] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.046024][  T966] RIP: 0033:0x7efef92df1e7
[ 111.046397][ T966] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.047534][  T966] RSP: 002b:00007ffe75dbf508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.048009][  T966] RAX: ffffffffffffffda RBX: 00007ffe75dbfc30 RCX: 00007efef92df1e7
[  111.048488][  T966] RDX: 0000000000000000 RSI: 00007ffe75dbf570 RDI: 0000000000000005
[  111.048961][  T966] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.049447][  T966] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe75dbfc68
[  111.049924][  T966] R13: 00000000686e3455 R14: 0000000000499600 R15: 0000000000000000
| [  111.196033][  T969] ------------[ cut here ]------------
| [ 111.196364][ T969] WARNING: CPU: 0 PID: 969 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.197069][  T969] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.198232][  T969] Tainted: [W]=WARN
[  111.198484][  T969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.198886][ T969] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.199225][ T969] 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
[  111.200367][  T969] RSP: 0018:ffffc90000767080 EFLAGS: 00010246
[  111.200776][  T969] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  111.201276][  T969] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  111.201780][  T969] RBP: ffffc90000767168 R08: 0000000000000000 R09: 0000000000000000
[  111.202268][  T969] R10: ffffc90000767198 R11: ffffffff992a8918 R12: 1ffff920000ece14
[  111.202758][  T969] R13: 00000000000005dc R14: ffffc90000767198 R15: ffff888005c5af08
[  111.203240][  T969] FS:  00007f8ec97f5800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  111.203812][  T969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.204214][  T969] CR2: 00000000004a1738 CR3: 0000000005f82001 CR4: 0000000000772ef0
[  111.204703][  T969] PKRU: 55555554
[  111.204941][  T969] Call Trace:
[  111.205179][  T969]  <TASK>
[ 111.205349][ T969] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.205686][ T969] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.206014][ T969] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.206426][ T969] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.206747][ T969] netif_set_mtu (net/core/dev.c:9652) 
[ 111.207069][ T969] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.207407][ T969] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.207856][ T969] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.208104][ T969] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.208551][ T969] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.208921][ T969] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.209240][ T969] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.209568][ T969] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.209894][ T969] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.210210][ T969] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.210565][ T969] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.210916][ T969] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.211245][ T969] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.211577][ T969] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.211900][ T969] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.212228][ T969] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.212559][ T969] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.212898][ T969] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.213221][ T969] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.213548][ T969] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.213865][ T969] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.214187][ T969] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.214522][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.214928][ T969] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.215293][ T969] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.215690][ T969] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.216104][ T969] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.216466][ T969] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.216844][ T969] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.217192][ T969] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.217559][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.217941][ T969] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.218298][ T969] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.218695][ T969] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.219072][ T969] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.219498][ T969] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.219890][ T969] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.220375][ T969] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.220778][ T969] ___sys_sendmsg (net/socket.c:2670) 
[ 111.221198][ T969] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.221597][ T969] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.221992][ T969] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.222350][ T969] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.222769][ T969] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.223158][ T969] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.223565][ T969] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.223944][ T969] __sys_sendmsg (net/socket.c:2700) 
[ 111.224289][ T969] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.224694][ T969] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 111.225207][ T969] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 111.225665][ T969] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.225991][ T969] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.226314][ T969] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.226711][  T969] RIP: 0033:0x7f8ec99c21e7
[ 111.227038][ T969] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.228247][  T969] RSP: 002b:00007ffc8223d818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.228869][  T969] RAX: ffffffffffffffda RBX: 00007ffc8223df40 RCX: 00007f8ec99c21e7
[  111.229438][  T969] RDX: 0000000000000000 RSI: 00007ffc8223d880 RDI: 0000000000000005
[  111.230023][  T969] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.230593][  T969] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8223df78
[  111.231099][  T969] R13: 00000000686e3455 R14: 0000000000499600 R15: 0000000000000000
| [  111.479077][  T971] ------------[ cut here ]------------
| [ 111.479736][ T971] WARNING: CPU: 3 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) 
| [  111.480800][  T971] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.482756][  T971] Tainted: [W]=WARN
[  111.483174][  T971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.483863][ 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) 
[ 111.484452][ 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
[  111.486251][  T971] RSP: 0018:ffffc900005b7080 EFLAGS: 00010246
[  111.486975][  T971] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  111.487827][  T971] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  111.488665][  T971] RBP: ffffc900005b7168 R08: 0000000000000000 R09: 0000000000000000
[  111.489504][  T971] R10: ffffc900005b7198 R11: ffffffff992a8918 R12: 1ffff920000b6e14
[  111.490347][  T971] R13: 00000000000005dc R14: ffffc900005b7198 R15: ffff888005c5af08
[  111.491223][  T971] FS:  00007f98c7790800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  111.492347][  T971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.493605][  T971] CR2: 00000000004a1738 CR3: 000000000938d006 CR4: 0000000000772ef0
[  111.494131][  T971] PKRU: 55555554
[  111.494405][  T971] Call Trace:
[  111.494657][  T971]  <TASK>
[ 111.494834][ T971] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.495170][ T971] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.495540][ T971] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.496176][ T971] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.496764][ T971] netif_set_mtu (net/core/dev.c:9652) 
[ 111.497328][ T971] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.497919][ T971] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.498685][ T971] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.499113][ T971] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.499889][ T971] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.500541][ T971] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.501128][ T971] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.501724][ T971] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.502291][ T971] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.502689][ T971] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.503153][ T971] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.503530][ T971] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.503892][ T971] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.504310][ T971] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.504861][ T971] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.505439][ T971] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.506020][ T971] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.506609][ T971] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.507157][ T971] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.507731][ T971] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.508151][ T971] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.508672][ T971] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.509257][ T971] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.509858][ T971] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.510296][ T971] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.510651][ T971] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.511014][ T971] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.511357][ 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) 
[ 111.511713][ T971] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.512056][ T971] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.512419][ T971] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.512763][ T971] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.513107][ T971] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.513477][ T971] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.513963][ T971] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.514519][ T971] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.515090][ T971] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.515805][ T971] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.516364][ T971] ___sys_sendmsg (net/socket.c:2670) 
[ 111.516934][ T971] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.517498][ T971] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.518054][ T971] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.518621][ T971] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.519192][ T971] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.519803][ T971] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.520199][ T971] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.520752][ T971] __sys_sendmsg (net/socket.c:2700) 
[ 111.521324][ T971] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.521899][ 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) 
[ 111.522482][ 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) 
[ 111.523049][ T971] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.523637][ T971] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.524221][ T971] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.524676][  T971] RIP: 0033:0x7f98c795d1e7
[ 111.525060][ 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)
[  111.526965][  T971] RSP: 002b:00007ffcd8e7cc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.527826][  T971] RAX: ffffffffffffffda RBX: 00007ffcd8e7d390 RCX: 00007f98c795d1e7
[  111.528651][  T971] RDX: 0000000000000000 RSI: 00007ffcd8e7ccd0 RDI: 0000000000000005
[  111.529243][  T971] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.529988][  T971] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcd8e7d3c8
[  111.530660][  T971] R13: 00000000686e3456 R14: 0000000000499600 R15: 0000000000000000
| [  111.750267][  T973] ------------[ cut here ]------------
| [ 111.750754][ T973] WARNING: CPU: 3 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) 
| [  111.751475][  T973] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.752714][  T973] Tainted: [W]=WARN
[  111.752960][  T973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.753366][ 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) 
[ 111.753752][ 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
[  111.754965][  T973] RSP: 0018:ffffc900005d7080 EFLAGS: 00010246
[  111.755385][  T973] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  111.755909][  T973] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  111.756609][  T973] RBP: ffffc900005d7168 R08: 0000000000000000 R09: 0000000000000000
[  111.757118][  T973] R10: ffffc900005d7198 R11: ffffffff992a8918 R12: 1ffff920000bae14
[  111.757784][  T973] R13: 00000000000005dc R14: ffffc900005d7198 R15: ffff888005c5af08
[  111.758298][  T973] FS:  00007ff8413d7800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  111.759043][  T973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.759506][  T973] CR2: 00000000004a1738 CR3: 000000000fcf0003 CR4: 0000000000772ef0
[  111.760027][  T973] PKRU: 55555554
[  111.760280][  T973] Call Trace:
[  111.760546][  T973]  <TASK>
[ 111.760748][ T973] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.761119][ T973] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.761471][ T973] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.761894][ T973] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.762233][ T973] netif_set_mtu (net/core/dev.c:9652) 
[ 111.762581][ T973] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.762929][ T973] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.763413][ T973] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.763666][ T973] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.764125][ T973] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.764519][ T973] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.764857][ T973] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.765195][ T973] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.765536][ T973] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.765868][ T973] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.766205][ T973] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.766551][ T973] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.766903][ T973] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.767241][ T973] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.767593][ T973] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.767941][ T973] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.768284][ T973] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.768640][ T973] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.768973][ T973] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.769311][ T973] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.769660][ T973] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.770009][ T973] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.770349][ T973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.770702][ T973] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.771063][ T973] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.771413][ T973] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.771763][ T973] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.772097][ 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) 
[ 111.772439][ T973] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.772780][ T973] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.773117][ T973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.773468][ T973] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.773809][ T973] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.774140][ T973] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.774500][ T973] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.774846][ T973] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.775175][ T973] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.775601][ T973] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.775972][ T973] ___sys_sendmsg (net/socket.c:2670) 
[ 111.776311][ T973] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.776656][ T973] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.776985][ T973] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.777344][ T973] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.777693][ T973] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.778053][ T973] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.778386][ T973] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.778746][ T973] __sys_sendmsg (net/socket.c:2700) 
[ 111.779092][ T973] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.779454][ 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) 
[ 111.779812][ 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) 
[ 111.780161][ T973] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.780507][ T973] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.780871][ T973] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.781293][  T973] RIP: 0033:0x7ff8415a41e7
[ 111.781676][ 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)
[  111.782892][  T973] RSP: 002b:00007ffd7f467078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.783433][  T973] RAX: ffffffffffffffda RBX: 00007ffd7f4677a0 RCX: 00007ff8415a41e7
[  111.783951][  T973] RDX: 0000000000000000 RSI: 00007ffd7f4670e0 RDI: 0000000000000005
[  111.784495][  T973] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.785025][  T973] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd7f4677d8
[  111.785542][  T973] R13: 00000000686e3456 R14: 0000000000499600 R15: 0000000000000000
| [  111.947539][  T975] ------------[ cut here ]------------
| [ 111.947919][ T975] WARNING: CPU: 0 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) 
| [  111.948692][  T975] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.950116][  T975] Tainted: [W]=WARN
[  111.950467][  T975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.950924][ 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) 
[ 111.951370][ 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
[  111.952802][  T975] RSP: 0018:ffffc900005d7080 EFLAGS: 00010246
[  111.953327][  T975] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  111.953965][  T975] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  111.954577][  T975] RBP: ffffc900005d7168 R08: 0000000000000000 R09: 0000000000000000
[  111.955118][  T975] R10: ffffc900005d7198 R11: ffffffff992a8918 R12: 1ffff920000bae14
[  111.955793][  T975] R13: 00000000000005dc R14: ffffc900005d7198 R15: ffff888005c5af08
[  111.956424][  T975] FS:  00007f0569a39800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  111.957136][  T975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.957592][  T975] CR2: 00000000004a1738 CR3: 00000000100d4001 CR4: 0000000000772ef0
[  111.958363][  T975] PKRU: 55555554
[  111.958726][  T975] Call Trace:
[  111.958985][  T975]  <TASK>
[ 111.959162][ T975] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.959530][ T975] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.959884][ T975] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.960304][ T975] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.960691][ T975] netif_set_mtu (net/core/dev.c:9652) 
[ 111.961046][ T975] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.961434][ T975] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.962167][ T975] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.962514][ T975] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.963042][ T975] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.963503][ T975] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.963871][ T975] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.964213][ T975] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.964566][ T975] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.964907][ T975] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.965250][ T975] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.965593][ T975] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.965972][ T975] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.966315][ T975] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.966704][ T975] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.967107][ T975] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.967464][ T975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.967829][ T975] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.968164][ T975] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.968513][ T975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.968865][ T975] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.969208][ T975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.969556][ T975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.969907][ T975] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.970245][ T975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.970587][ T975] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.971044][ T975] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.971384][ 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) 
[ 111.971807][ T975] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.972158][ T975] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.972505][ T975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.972863][ T975] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.973200][ T975] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.973548][ T975] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.973908][ T975] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.974256][ T975] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.974598][ T975] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.975053][ T975] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.975415][ T975] ___sys_sendmsg (net/socket.c:2670) 
[ 111.975819][ T975] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.976158][ T975] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.976562][ T975] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.976918][ T975] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.977262][ T975] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.977608][ T975] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.977954][ T975] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.978305][ T975] __sys_sendmsg (net/socket.c:2700) 
[ 111.978674][ T975] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.979111][ 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) 
[ 111.979519][ 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) 
[ 111.979882][ T975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.980280][ T975] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.980655][ T975] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.981090][  T975] RIP: 0033:0x7f0569c061e7
[ 111.981474][ 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)
[  111.982783][  T975] RSP: 002b:00007fffa0a9c858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.983293][  T975] RAX: ffffffffffffffda RBX: 00007fffa0a9cf80 RCX: 00007f0569c061e7
[  111.983858][  T975] RDX: 0000000000000000 RSI: 00007fffa0a9c8c0 RDI: 0000000000000005
[  111.984368][  T975] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.984893][  T975] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffa0a9cfb8
[  111.985404][  T975] R13: 00000000686e3456 R14: 0000000000499600 R15: 0000000000000000
| [  112.175040][  T977] ------------[ cut here ]------------
| [ 112.175528][ T977] WARNING: CPU: 2 PID: 977 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.176296][  T977] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.177650][  T977] Tainted: [W]=WARN
[  112.177938][  T977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.178426][ 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) 
[ 112.178828][ 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
[  112.180155][  T977] RSP: 0018:ffffc90000507080 EFLAGS: 00010246
[  112.180642][  T977] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  112.181230][  T977] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  112.181795][  T977] RBP: ffffc90000507168 R08: 0000000000000000 R09: 0000000000000000
[  112.182376][  T977] R10: ffffc90000507198 R11: ffffffff992a8918 R12: 1ffff920000a0e14
[  112.182949][  T977] R13: 00000000000005dc R14: ffffc90000507198 R15: ffff888005c5af08
[  112.183541][  T977] FS:  00007fb053731800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  112.184197][  T977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.184689][  T977] CR2: 00000000004a1738 CR3: 000000000bab6002 CR4: 0000000000772ef0
[  112.185245][  T977] PKRU: 55555554
[  112.185547][  T977] Call Trace:
[  112.185855][  T977]  <TASK>
[ 112.186059][ T977] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.186469][ T977] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.186848][ T977] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.187313][ T977] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.187702][ T977] netif_set_mtu (net/core/dev.c:9652) 
[ 112.188108][ T977] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.188512][ T977] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.189038][ T977] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.189337][ T977] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.189856][ T977] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.190282][ T977] do_set_master (net/core/rtnetlink.c:2948) 
[ 112.190684][ T977] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.191092][ T977] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.191479][ T977] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.191850][ T977] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.192220][ T977] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.192606][ T977] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.192984][ T977] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.193354][ T977] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.193751][ T977] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.194136][ T977] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.194521][ T977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.194921][ T977] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.195287][ T977] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.195676][ T977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.196043][ T977] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.196424][ T977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.196811][ T977] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.197192][ T977] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.197578][ T977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.197961][ T977] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.198377][ T977] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.198744][ 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) 
[ 112.199092][ T977] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.199457][ T977] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.199820][ T977] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.200174][ T977] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.200549][ T977] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.200910][ T977] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.201277][ T977] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.201646][ T977] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.201992][ T977] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.202440][ T977] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.202813][ T977] ___sys_sendmsg (net/socket.c:2670) 
[ 112.203172][ T977] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.203527][ T977] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.203877][ T977] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.204222][ T977] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.204648][ T977] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.205028][ T977] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.205431][ T977] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.205823][ T977] __sys_sendmsg (net/socket.c:2700) 
[ 112.206210][ T977] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.206604][ 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) 
[ 112.207007][ 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) 
[ 112.207387][ T977] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.207791][ T977] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.208180][ T977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.208662][  T977] RIP: 0033:0x7fb0538fe1e7
[ 112.209071][ 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)
[  112.210373][  T977] RSP: 002b:00007ffee27b7688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.210974][  T977] RAX: ffffffffffffffda RBX: 00007ffee27b7db0 RCX: 00007fb0538fe1e7
[  112.211534][  T977] RDX: 0000000000000000 RSI: 00007ffee27b76f0 RDI: 0000000000000005
[  112.212087][  T977] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.212659][  T977] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee27b7de8
[  112.213245][  T977] R13: 00000000686e3456 R14: 0000000000499600 R15: 0000000000000000
| [  112.379332][  T978] ------------[ cut here ]------------
| [ 112.379794][ T978] WARNING: CPU: 0 PID: 978 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.380536][  T978] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.381756][  T978] Tainted: [W]=WARN
[  112.382001][  T978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.382406][ T978] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.382751][ T978] 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
[  112.383889][  T978] RSP: 0018:ffffc900004e7080 EFLAGS: 00010246
[  112.384292][  T978] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  112.384774][  T978] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  112.385247][  T978] RBP: ffffc900004e7168 R08: 0000000000000000 R09: 0000000000000000
[  112.385728][  T978] R10: ffffc900004e7198 R11: ffffffff992a8918 R12: 1ffff9200009ce14
[  112.386201][  T978] R13: 00000000000005dc R14: ffffc900004e7198 R15: ffff888005c5af08
[  112.386684][  T978] FS:  00007f1876736800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  112.387263][  T978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.387685][  T978] CR2: 00007fa523704a00 CR3: 0000000002a3a004 CR4: 0000000000772ef0
[  112.388172][  T978] PKRU: 55555554
[  112.388420][  T978] Call Trace:
[  112.388665][  T978]  <TASK>
[ 112.388836][ T978] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.389166][ T978] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.389507][ T978] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.389903][ T978] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.390230][ T978] netif_set_mtu (net/core/dev.c:9652) 
[ 112.390558][ T978] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.390903][ T978] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.391358][ T978] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.391608][ T978] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.392046][ T978] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.392417][ T978] do_set_master (net/core/rtnetlink.c:2948) 
[ 112.392737][ T978] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.393070][ T978] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.393399][ T978] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.393720][ T978] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.394043][ T978] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.394359][ T978] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.394695][ T978] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.395024][ T978] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.395362][ T978] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.395699][ T978] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.396028][ T978] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.396362][ T978] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.396690][ T978] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.397012][ T978] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.397329][ T978] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.397655][ T978] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.397977][ T978] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.398299][ T978] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.398634][ T978] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.398949][ T978] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.399281][ T978] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.399603][ T978] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.399919][ T978] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.400238][ T978] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.400562][ T978] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.400900][ T978] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.401224][ T978] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.401562][ T978] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.401885][ T978] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.402207][ T978] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.402531][ T978] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.402929][ T978] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.403260][ T978] ___sys_sendmsg (net/socket.c:2670) 
[ 112.403588][ T978] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.403904][ T978] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.404221][ T978] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.404544][ T978] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.404873][ T978] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.405187][ T978] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.405519][ T978] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.405851][ T978] __sys_sendmsg (net/socket.c:2700) 
[ 112.406168][ T978] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.406493][ T978] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 112.406834][ T978] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 112.407170][ T978] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.407503][ T978] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.407828][ T978] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.408232][  T978] RIP: 0033:0x7f18769031e7
[ 112.408572][ T978] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.409726][  T978] RSP: 002b:00007ffd4fe0c9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.410220][  T978] RAX: ffffffffffffffda RBX: 00007ffd4fe0d120 RCX: 00007f18769031e7
[  112.410714][  T978] RDX: 0000000000000000 RSI: 00007ffd4fe0ca60 RDI: 0000000000000005
[  112.411204][  T978] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.411688][  T978] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd4fe0d158
[  112.412170][  T978] R13: 00000000686e3457 R14: 0000000000499600 R15: 0000000000000000
| [  112.555672][  T981] ------------[ cut here ]------------
| [ 112.556000][ T981] WARNING: CPU: 0 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) 
| [  112.556731][  T981] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.557892][  T981] Tainted: [W]=WARN
[  112.558130][  T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.558536][ 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) 
[ 112.558863][ 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
[  112.559983][  T981] RSP: 0018:ffffc900004d7080 EFLAGS: 00010246
[  112.560450][  T981] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  112.560935][  T981] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  112.561448][  T981] RBP: ffffc900004d7168 R08: 0000000000000000 R09: 0000000000000000
[  112.561952][  T981] R10: ffffc900004d7198 R11: ffffffff992a8918 R12: 1ffff9200009ae14
[  112.562461][  T981] R13: 00000000000005dc R14: ffffc900004d7198 R15: ffff888005c5af08
[  112.562962][  T981] FS:  00007fd69625a800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  112.563553][  T981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.563974][  T981] CR2: 00007fa5238c9e80 CR3: 000000000fe69002 CR4: 0000000000772ef0
[  112.564510][  T981] PKRU: 55555554
[  112.564765][  T981] Call Trace:
[  112.565017][  T981]  <TASK>
[ 112.565193][ T981] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.565540][ T981] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.565881][ T981] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.566304][ T981] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.566652][ T981] netif_set_mtu (net/core/dev.c:9652) 
[ 112.566988][ T981] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.567325][ T981] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.567800][ T981] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.568055][ T981] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.568514][ T981] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.568901][ T981] do_set_master (net/core/rtnetlink.c:2948) 
[ 112.569280][ T981] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.569642][ T981] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.569984][ T981] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.570317][ T981] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.570659][ T981] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.571049][ T981] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.571425][ T981] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.571760][ T981] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.572097][ T981] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.572448][ T981] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.572793][ T981] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.573153][ T981] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.573491][ T981] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.573815][ T981] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.574144][ T981] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.574499][ T981] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.574833][ T981] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.575168][ T981] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.575511][ T981] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.575851][ T981] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.576192][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.576568][ 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) 
[ 112.576920][ T981] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.577254][ T981] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.577575][ T981] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.577903][ T981] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.578220][ T981] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.578564][ T981] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.578902][ T981] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.579246][ T981] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.579577][ T981] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.579998][ T981] ___sys_sendmsg (net/socket.c:2670) 
[ 112.580330][ T981] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.580664][ T981] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 112.581012][ T981] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 112.581528][ T981] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 112.581861][ T981] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.582199][ T981] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.582539][ T981] __sys_sendmsg (net/socket.c:2700) 
[ 112.582863][ T981] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.583203][ T981] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.583541][ T981] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.583879][ T981] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.584547][  T981] RIP: 0033:0x7fd6964271e7
[ 112.584902][ 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)
[  112.586583][  T981] RSP: 002b:00007ffc73101748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.587322][  T981] RAX: ffffffffffffffda RBX: 00007ffc73101e70 RCX: 00007fd6964271e7
[  112.587828][  T981] RDX: 0000000000000000 RSI: 00007ffc731017b0 RDI: 0000000000000005
[  112.588331][  T981] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.588832][  T981] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc73101ea8
[  112.589331][  T981] R13: 00000000686e3457 R14: 0000000000499600 R15: 0000000000000000
| [  112.752257][  T982] ------------[ cut here ]------------
| [ 112.752699][ T982] WARNING: CPU: 2 PID: 982 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.753380][  T982] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.754654][  T982] Tainted: [W]=WARN
[  112.754927][  T982] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.755363][ T982] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.755738][ T982] 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
[  112.756946][  T982] RSP: 0018:ffffc90000607080 EFLAGS: 00010246
[  112.757399][  T982] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  112.757950][  T982] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  112.758487][  T982] RBP: ffffc90000607168 R08: 0000000000000000 R09: 0000000000000000
[  112.759011][  T982] R10: ffffc90000607198 R11: ffffffff992a8918 R12: 1ffff920000c0e14
[  112.759557][  T982] R13: 00000000000005dc R14: ffffc90000607198 R15: ffff888005c5af08
[  112.760072][  T982] FS:  00007fac07e4b800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  112.760680][  T982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.761138][  T982] CR2: 00000000004a1738 CR3: 000000000f469005 CR4: 0000000000772ef0
[  112.761675][  T982] PKRU: 55555554
[  112.761942][  T982] Call Trace:
[  112.762208][  T982]  <TASK>
[ 112.762404][ T982] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.762766][ T982] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.763119][ T982] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.763572][ T982] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.763924][ T982] netif_set_mtu (net/core/dev.c:9652) 
[ 112.764278][ T982] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.764639][ T982] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.765125][ T982] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.765402][ T982] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.765875][ T982] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.766255][ T982] do_set_master (net/core/rtnetlink.c:2948) 
[ 112.766603][ T982] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.766934][ T982] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.767269][ T982] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.767605][ T982] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.767939][ T982] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.768286][ T982] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.768651][ T982] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.769012][ T982] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.769372][ T982] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.769736][ T982] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.770086][ T982] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.770480][ T982] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.770829][ T982] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.771193][ T982] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.771579][ T982] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.771932][ T982] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.772296][ T982] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.772663][ T982] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.773011][ T982] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.773361][ T982] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.773727][ T982] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.774114][ T982] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.774478][ T982] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.774829][ T982] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.775176][ T982] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.775536][ T982] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.775894][ T982] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.776246][ T982] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.776618][ T982] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.776984][ T982] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.777331][ T982] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.777777][ T982] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.778135][ T982] ___sys_sendmsg (net/socket.c:2670) 
[ 112.778492][ T982] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.778840][ T982] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.779195][ T982] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.779547][ T982] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.779901][ T982] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.780271][ T982] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.780619][ T982] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.780999][ T982] __sys_sendmsg (net/socket.c:2700) 
[ 112.781337][ T982] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.781676][ T982] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 112.782018][ T982] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 112.782356][ T982] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.782730][ T982] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.783088][ T982] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.783525][  T982] RIP: 0033:0x7fac080181e7
[ 112.783901][ T982] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.785119][  T982] RSP: 002b:00007ffc48e44808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.785649][  T982] RAX: ffffffffffffffda RBX: 00007ffc48e44f30 RCX: 00007fac080181e7
[  112.786163][  T982] RDX: 0000000000000000 RSI: 00007ffc48e44870 RDI: 0000000000000005
[  112.786686][  T982] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.787208][  T982] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc48e44f68
[  112.787753][  T982] R13: 00000000686e3457 R14: 0000000000499600 R15: 0000000000000000
| [  112.959070][  T985] ------------[ cut here ]------------
| [ 112.959670][ T985] WARNING: CPU: 2 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) 
| [  112.960525][  T985] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.961984][  T985] Tainted: [W]=WARN
[  112.962255][  T985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.962708][ 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) 
[ 112.963065][ 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
[  112.964264][  T985] RSP: 0018:ffffc90000607080 EFLAGS: 00010246
[  112.964705][  T985] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  112.965210][  T985] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  112.965885][  T985] RBP: ffffc90000607168 R08: 0000000000000000 R09: 0000000000000000
[  112.966413][  T985] R10: ffffc90000607198 R11: ffffffff992a8918 R12: 1ffff920000c0e14
[  112.966919][  T985] R13: 00000000000005dc R14: ffffc90000607198 R15: ffff888005c5af08
[  112.967520][  T985] FS:  00007f60e9758800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  112.968116][  T985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.968576][  T985] CR2: 00000000004a1738 CR3: 000000000b76a004 CR4: 0000000000772ef0
[  112.969078][  T985] PKRU: 55555554
[  112.969450][  T985] Call Trace:
[  112.969724][  T985]  <TASK>
[ 112.969905][ T985] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.970283][ T985] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.970759][ T985] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.971249][ T985] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.971600][ T985] netif_set_mtu (net/core/dev.c:9652) 
[ 112.971940][ T985] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.972307][ T985] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.972789][ T985] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.973142][ T985] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.973700][ T985] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.974094][ T985] do_set_master (net/core/rtnetlink.c:2948) 
[ 112.974479][ T985] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.974829][ T985] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.975168][ T985] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.975558][ T985] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.975906][ T985] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.976288][ T985] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.976643][ T985] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.976974][ T985] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.977359][ T985] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.977734][ T985] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.978182][ T985] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.978576][ T985] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.978904][ T985] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.979256][ T985] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.979617][ T985] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.979964][ T985] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.980421][ T985] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.980780][ T985] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.981205][ T985] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.981655][ T985] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.982062][ T985] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.982483][ 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) 
[ 112.982903][ T985] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.983262][ T985] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.983628][ T985] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.983974][ T985] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.984384][ T985] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.984761][ T985] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.985103][ T985] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.985477][ T985] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.985816][ T985] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.986311][ T985] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.986800][ T985] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.987134][ T985] ___sys_sendmsg (net/socket.c:2670) 
[ 112.987498][ T985] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.987941][ T985] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) 
[ 112.988338][ T985] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.988744][ T985] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.989137][ T985] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.989554][ T985] ? rcu_do_batch (kernel/rcu/tree_nocb.h:1636 kernel/rcu/tree.c:2642) 
[ 112.989943][ T985] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.990382][ T985] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.990736][ T985] __sys_sendmsg (net/socket.c:2700) 
[ 112.991100][ T985] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.991462][ T985] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 112.991852][ T985] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.992252][ T985] ? handle_softirqs (./arch/x86/include/asm/preempt.h:27 kernel/softirq.c:426 kernel/softirq.c:607) 
[ 112.992653][ T985] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.993038][ T985] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.993448][ T985] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.993919][  T985] RIP: 0033:0x7f60e99251e7
[ 112.994356][ 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)
[  112.995663][  T985] RSP: 002b:00007ffe4e5c2f98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.996220][  T985] RAX: ffffffffffffffda RBX: 00007ffe4e5c36c0 RCX: 00007f60e99251e7
[  112.996838][  T985] RDX: 0000000000000000 RSI: 00007ffe4e5c3000 RDI: 0000000000000005
[  112.997386][  T985] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.997949][  T985] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe4e5c36f8
[  112.998576][  T985] R13: 00000000686e3457 R14: 0000000000499600 R15: 0000000000000000
| [  113.171793][  T986] ------------[ cut here ]------------
| [ 113.172225][ T986] WARNING: CPU: 3 PID: 986 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.173023][  T986] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.174562][  T986] Tainted: [W]=WARN
[  113.174823][  T986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.175260][ T986] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.175620][ T986] 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
[  113.176832][  T986] RSP: 0018:ffffc90000607080 EFLAGS: 00010246
[  113.177288][  T986] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  113.177804][  T986] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  113.178314][  T986] RBP: ffffc90000607168 R08: 0000000000000000 R09: 0000000000000000
[  113.178828][  T986] R10: ffffc90000607198 R11: ffffffff992a8918 R12: 1ffff920000c0e14
[  113.179372][  T986] R13: 00000000000005dc R14: ffffc90000607198 R15: ffff888005c5af08
[  113.179885][  T986] FS:  00007f8ab860c800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  113.180525][  T986] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.180978][  T986] CR2: 00000000004a1738 CR3: 000000000ca5a002 CR4: 0000000000772ef0
[  113.181515][  T986] PKRU: 55555554
[  113.181779][  T986] Call Trace:
[  113.182034][  T986]  <TASK>
[ 113.182228][ T986] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.182600][ T986] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.182944][ T986] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.183374][ T986] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.183727][ T986] netif_set_mtu (net/core/dev.c:9652) 
[ 113.184095][ T986] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.184475][ T986] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.184958][ T986] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.185252][ T986] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.185796][ T986] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.186213][ T986] do_set_master (net/core/rtnetlink.c:2948) 
[ 113.186583][ T986] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.186934][ T986] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.187290][ T986] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.187633][ T986] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.187968][ T986] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.188322][ T986] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.188671][ T986] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.189013][ T986] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.189369][ T986] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.189799][ T986] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.190227][ T986] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.190604][ T986] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.190960][ T986] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.191409][ T986] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.191756][ T986] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.192104][ T986] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.192469][ T986] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.192954][ T986] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.193408][ T986] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.193837][ T986] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.194261][ T986] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.194777][ T986] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.195308][ T986] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.195785][ T986] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.196219][ T986] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.196579][ T986] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.196920][ T986] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.197270][ T986] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.197629][ T986] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.198067][ T986] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.198482][ T986] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.199047][ T986] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.199510][ T986] ___sys_sendmsg (net/socket.c:2670) 
[ 113.199929][ T986] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.200325][ T986] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.200685][ T986] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.201118][ T986] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.201484][ T986] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.201830][ T986] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.202160][ T986] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.202677][ T986] __sys_sendmsg (net/socket.c:2700) 
[ 113.203086][ T986] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.203553][ T986] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 113.204000][ T986] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 113.204413][ T986] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.204831][ T986] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.205191][ T986] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.205621][  T986] RIP: 0033:0x7f8ab87d91e7
[ 113.205967][ T986] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.207431][  T986] RSP: 002b:00007ffef63e9198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.207958][  T986] RAX: ffffffffffffffda RBX: 00007ffef63e98c0 RCX: 00007f8ab87d91e7
[  113.208479][  T986] RDX: 0000000000000000 RSI: 00007ffef63e9200 RDI: 0000000000000005
[  113.208992][  T986] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.209772][  T986] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef63e98f8
[  113.210652][  T986] R13: 00000000686e3457 R14: 0000000000499600 R15: 0000000000000000
| [  113.378643][  T988] ------------[ cut here ]------------
| [ 113.378992][ T988] WARNING: CPU: 2 PID: 988 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.379774][  T988] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.381026][  T988] Tainted: [W]=WARN
[  113.381294][  T988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.381763][ T988] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.382128][ T988] 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
[  113.383334][  T988] RSP: 0018:ffffc900004d7080 EFLAGS: 00010246
[  113.383783][  T988] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  113.384293][  T988] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  113.384811][  T988] RBP: ffffc900004d7168 R08: 0000000000000000 R09: 0000000000000000
[  113.385322][  T988] R10: ffffc900004d7198 R11: ffffffff992a8918 R12: 1ffff9200009ae14
[  113.385838][  T988] R13: 00000000000005dc R14: ffffc900004d7198 R15: ffff888005c5af08
[  113.386359][  T988] FS:  00007fdb0fd3b800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  113.386987][  T988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.387436][  T988] CR2: 00000000004a1738 CR3: 0000000008d00006 CR4: 0000000000772ef0
[  113.387955][  T988] PKRU: 55555554
[  113.388229][  T988] Call Trace:
[  113.388505][  T988]  <TASK>
[ 113.388697][ T988] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.389055][ T988] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.389423][ T988] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.389851][ T988] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.390282][ T988] netif_set_mtu (net/core/dev.c:9652) 
[ 113.390626][ T988] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.390982][ T988] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.391464][ T988] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.391721][ T988] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.392171][ T988] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.392558][ T988] do_set_master (net/core/rtnetlink.c:2948) 
[ 113.392901][ T988] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.393236][ T988] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.393581][ T988] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.393912][ T988] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.394239][ T988] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.394585][ T988] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.394924][ T988] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.395255][ T988] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.395616][ T988] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.395969][ T988] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.396311][ T988] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.396655][ T988] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.396994][ T988] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.397328][ T988] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.397669][ T988] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.398004][ T988] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.398355][ T988] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.398702][ T988] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.399041][ T988] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.399379][ T988] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.399720][ T988] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.400062][ T988] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.400399][ T988] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.400736][ T988] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.401094][ T988] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.401442][ T988] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.401777][ T988] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.402111][ T988] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.402454][ T988] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.402799][ T988] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.403134][ T988] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.403480][ T988] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.403897][ T988] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.404237][ T988] ___sys_sendmsg (net/socket.c:2670) 
[ 113.404596][ T988] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.404932][ T988] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.405268][ T988] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.405605][ T988] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.405939][ T988] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.406277][ T988] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.406619][ T988] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.406970][ T988] __sys_sendmsg (net/socket.c:2700) 
[ 113.407299][ T988] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.407640][ T988] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 113.407982][ T988] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 113.408315][ T988] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.408662][ T988] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.408999][ T988] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.409442][  T988] RIP: 0033:0x7fdb0ff081e7
[ 113.409804][ T988] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.410985][  T988] RSP: 002b:00007ffc6e3575e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.411494][  T988] RAX: ffffffffffffffda RBX: 00007ffc6e357d10 RCX: 00007fdb0ff081e7
[  113.412001][  T988] RDX: 0000000000000000 RSI: 00007ffc6e357650 RDI: 0000000000000005
[  113.412515][  T988] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.413011][  T988] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6e357d48
[  113.413527][  T988] R13: 00000000686e3458 R14: 0000000000499600 R15: 0000000000000000
| [  113.574203][  T990] ------------[ cut here ]------------
| [ 113.574644][ T990] WARNING: CPU: 2 PID: 990 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.575298][  T990] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.576529][  T990] Tainted: [W]=WARN
[  113.576780][  T990] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.577188][ T990] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.577534][ T990] 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
[  113.578693][  T990] RSP: 0018:ffffc900005d7080 EFLAGS: 00010246
[  113.579107][  T990] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  113.579606][  T990] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  113.580098][  T990] RBP: ffffc900005d7168 R08: 0000000000000000 R09: 0000000000000000
[  113.580594][  T990] R10: ffffc900005d7198 R11: ffffffff992a8918 R12: 1ffff920000bae14
[  113.581093][  T990] R13: 00000000000005dc R14: ffffc900005d7198 R15: ffff888005c5af08
[  113.581591][  T990] FS:  00007ff4c4bdb800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  113.582205][  T990] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.582640][  T990] CR2: 00000000004a1738 CR3: 000000000c146002 CR4: 0000000000772ef0
[  113.583132][  T990] PKRU: 55555554
[  113.583398][  T990] Call Trace:
[  113.583658][  T990]  <TASK>
[ 113.583837][ T990] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.584181][ T990] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.584526][ T990] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.584942][ T990] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.585272][ T990] netif_set_mtu (net/core/dev.c:9652) 
[ 113.585611][ T990] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.585950][ T990] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.586425][ T990] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.586681][ T990] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.587124][ T990] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.587518][ T990] do_set_master (net/core/rtnetlink.c:2948) 
[ 113.587855][ T990] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.588192][ T990] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.588538][ T990] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.588865][ T990] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.589197][ T990] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.589538][ T990] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.589883][ T990] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.590234][ T990] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.590598][ T990] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.590958][ T990] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.591302][ T990] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.591653][ T990] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.591994][ T990] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.592326][ T990] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.592662][ T990] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.592991][ T990] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.593321][ T990] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.593690][ T990] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.594026][ T990] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.594361][ T990] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.594709][ T990] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.595036][ T990] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.595529][ T990] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.596064][ T990] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.596670][ T990] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.597123][ T990] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.597764][ T990] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.598346][ T990] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.598961][ T990] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.599563][ T990] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.600137][ T990] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.600903][ T990] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.601539][ T990] ___sys_sendmsg (net/socket.c:2670) 
[ 113.602094][ T990] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.602698][ T990] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.603307][ T990] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.603920][ T990] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.604542][ T990] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.605135][ T990] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.605722][ T990] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.606352][ T990] __sys_sendmsg (net/socket.c:2700) 
[ 113.606971][ T990] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.607584][ T990] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 113.608195][ T990] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 113.608832][ T990] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.609454][ T990] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.610032][ T990] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.610728][  T990] RIP: 0033:0x7ff4c4da81e7
[ 113.611331][ T990] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.613355][  T990] RSP: 002b:00007fff0d42fbc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.614242][  T990] RAX: ffffffffffffffda RBX: 00007fff0d4302f0 RCX: 00007ff4c4da81e7
[  113.615154][  T990] RDX: 0000000000000000 RSI: 00007fff0d42fc30 RDI: 0000000000000005
[  113.616045][  T990] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.616898][  T990] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff0d430328
[  113.617777][  T990] R13: 00000000686e3458 R14: 0000000000499600 R15: 0000000000000000
| [  113.793851][  T992] ------------[ cut here ]------------
| [ 113.794312][ T992] WARNING: CPU: 0 PID: 992 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.795093][  T992] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.796515][  T992] Tainted: [W]=WARN
[  113.796765][  T992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.797260][ T992] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.797623][ T992] 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
[  113.798957][  T992] RSP: 0018:ffffc900005d7080 EFLAGS: 00010246
[  113.799482][  T992] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  113.799961][  T992] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  113.800485][  T992] RBP: ffffc900005d7168 R08: 0000000000000000 R09: 0000000000000000
[  113.801073][  T992] R10: ffffc900005d7198 R11: ffffffff992a8918 R12: 1ffff920000bae14
[  113.801660][  T992] R13: 00000000000005dc R14: ffffc900005d7198 R15: ffff888005c5af08
[  113.802302][  T992] FS:  00007f064bd2f800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  113.802944][  T992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.803432][  T992] CR2: 00007f064bf435c0 CR3: 000000000ca9d002 CR4: 0000000000772ef0
[  113.804067][  T992] PKRU: 55555554
[  113.804342][  T992] Call Trace:
[  113.804685][  T992]  <TASK>
[ 113.804857][ T992] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.805215][ T992] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.805566][ T992] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.806081][ T992] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.806491][ T992] netif_set_mtu (net/core/dev.c:9652) 
[ 113.806868][ T992] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.807223][ T992] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.807775][ T992] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.808027][ T992] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.808588][ T992] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.808956][ T992] do_set_master (net/core/rtnetlink.c:2948) 
[ 113.809346][ T992] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.809792][ T992] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.810267][ T992] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.810867][ T992] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.811223][ T992] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.811561][ T992] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.811889][ T992] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.812221][ T992] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.812564][ T992] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.812903][ T992] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.813245][ T992] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.813605][ T992] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.813934][ T992] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.814275][ T992] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.814610][ T992] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.814934][ T992] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.815274][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.815610][ T992] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.815934][ T992] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.816282][ T992] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.816634][ T992] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.816957][ T992] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.817296][ T992] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.817628][ T992] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.817952][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.818292][ T992] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.818632][ T992] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.818958][ T992] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.819307][ T992] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.819649][ T992] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.819968][ T992] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.820386][ T992] ___sys_sendmsg (net/socket.c:2670) 
[ 113.820728][ T992] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.821068][ T992] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.821424][ T992] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.821775][ T992] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.822123][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.822478][ T992] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.822837][ T992] __sys_sendmsg (net/socket.c:2700) 
[ 113.823172][ T992] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.823549][ T992] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.823970][ T992] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.824471][ T992] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.825108][  T992] RIP: 0033:0x7f064befc1e7
[ 113.825507][ T992] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.826888][  T992] RSP: 002b:00007ffe7cb08a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.827417][  T992] RAX: ffffffffffffffda RBX: 00007ffe7cb091b0 RCX: 00007f064befc1e7
[  113.827909][  T992] RDX: 0000000000000000 RSI: 00007ffe7cb08af0 RDI: 0000000000000005
[  113.828428][  T992] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.828986][  T992] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe7cb091e8
[  113.829601][  T992] R13: 00000000686e3458 R14: 0000000000499600 R15: 0000000000000000
| [  114.006734][  T994] ------------[ cut here ]------------
| [ 114.007074][ T994] WARNING: CPU: 1 PID: 994 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.007740][  T994] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.009129][  T994] Tainted: [W]=WARN
[  114.009378][  T994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.009920][ T994] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.010252][ T994] 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
[  114.011443][  T994] RSP: 0018:ffffc90000507080 EFLAGS: 00010246
[  114.011854][  T994] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  114.012337][  T994] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  114.012828][  T994] RBP: ffffc90000507168 R08: 0000000000000000 R09: 0000000000000000
[  114.013337][  T994] R10: ffffc90000507198 R11: ffffffff992a8918 R12: 1ffff920000a0e14
[  114.013835][  T994] R13: 00000000000005dc R14: ffffc90000507198 R15: ffff888005c5af08
[  114.014324][  T994] FS:  00007fdb56c2b800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  114.014898][  T994] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.015305][  T994] CR2: 00007fa523704a00 CR3: 000000000c28d003 CR4: 0000000000772ef0
[  114.015796][  T994] PKRU: 55555554
[  114.016041][  T994] Call Trace:
[  114.016289][  T994]  <TASK>
[ 114.016467][ T994] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.016801][ T994] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.017124][ T994] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.017537][ T994] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.017866][ T994] netif_set_mtu (net/core/dev.c:9652) 
[ 114.018190][ T994] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.018544][ T994] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.019009][ T994] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.019250][ T994] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.019706][ T994] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.020080][ T994] do_set_master (net/core/rtnetlink.c:2948) 
[ 114.020452][ T994] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.020798][ T994] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.021139][ T994] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.021472][ T994] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.021790][ T994] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.022102][ T994] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.022431][ T994] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.022744][ T994] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.023063][ T994] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.023383][ T994] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.023719][ T994] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.024048][ T994] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.024360][ T994] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.024688][ T994] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.025022][ T994] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.025354][ T994] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.025698][ T994] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.026039][ T994] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.026357][ T994] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.026686][ T994] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.027014][ T994] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.027330][ T994] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.027659][ T994] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.027977][ T994] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.028298][ T994] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.028630][ T994] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.028956][ T994] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.029271][ T994] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.029603][ T994] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.029923][ T994] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.030244][ T994] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.030654][ T994] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.030989][ T994] ___sys_sendmsg (net/socket.c:2670) 
[ 114.031302][ T994] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.031626][ T994] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.031941][ T994] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.032250][ T994] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.032580][ T994] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.032905][ T994] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.033216][ T994] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.033557][ T994] __sys_sendmsg (net/socket.c:2700) 
[ 114.033869][ T994] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.034184][ T994] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.034518][ T994] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.034836][ T994] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.035157][ T994] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.035491][ T994] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.035883][  T994] RIP: 0033:0x7fdb56df81e7
[ 114.036210][ T994] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.037355][  T994] RSP: 002b:00007ffe7e283598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.037848][  T994] RAX: ffffffffffffffda RBX: 00007ffe7e283cc0 RCX: 00007fdb56df81e7
[  114.038322][  T994] RDX: 0000000000000000 RSI: 00007ffe7e283600 RDI: 0000000000000005
[  114.038808][  T994] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.039280][  T994] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe7e283cf8
[  114.039775][  T994] R13: 00000000686e3458 R14: 0000000000499600 R15: 0000000000000000
| [  114.187221][  T996] ------------[ cut here ]------------
| [ 114.187657][ T996] WARNING: CPU: 2 PID: 996 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.188309][  T996] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.189509][  T996] Tainted: [W]=WARN
[  114.189774][  T996] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.190190][ T996] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.190551][ T996] 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
[  114.191725][  T996] RSP: 0018:ffffc90000637080 EFLAGS: 00010246
[  114.192154][  T996] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  114.192660][  T996] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  114.193158][  T996] RBP: ffffc90000637168 R08: 0000000000000000 R09: 0000000000000000
[  114.193657][  T996] R10: ffffc90000637198 R11: ffffffff992a8918 R12: 1ffff920000c6e14
[  114.194160][  T996] R13: 00000000000005dc R14: ffffc90000637198 R15: ffff888005c5af08
[  114.194680][  T996] FS:  00007fc51a5c1800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  114.195264][  T996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.195697][  T996] CR2: 00000000004a1738 CR3: 000000000f5b1006 CR4: 0000000000772ef0
[  114.196192][  T996] PKRU: 55555554
[  114.196459][  T996] Call Trace:
[  114.196719][  T996]  <TASK>
[ 114.196902][ T996] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.197251][ T996] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.197601][ T996] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.198022][ T996] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.198358][ T996] netif_set_mtu (net/core/dev.c:9652) 
[ 114.198704][ T996] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.199049][ T996] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.199517][ T996] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.199776][ T996] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.200242][ T996] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.200633][ T996] do_set_master (net/core/rtnetlink.c:2948) 
[ 114.200980][ T996] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.201322][ T996] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.201668][ T996] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.201999][ T996] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.202337][ T996] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.202683][ T996] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.203027][ T996] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.203364][ T996] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.203713][ T996] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.204058][ T996] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.204400][ T996] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.204748][ T996] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.205075][ T996] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.205433][ T996] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.205790][ T996] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.206123][ T996] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.206475][ T996] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.206819][ T996] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.207165][ T996] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.207516][ T996] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.207867][ T996] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.208200][ T996] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.208544][ T996] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.208883][ T996] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.209209][ T996] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.209558][ T996] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.209910][ T996] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.210251][ T996] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.210603][ T996] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.210954][ T996] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.211288][ T996] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.211710][ T996] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.212048][ T996] ___sys_sendmsg (net/socket.c:2670) 
[ 114.212382][ T996] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.212727][ T996] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.213069][ T996] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.213411][ T996] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.213754][ T996] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.214097][ T996] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.214436][ T996] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.214785][ T996] __sys_sendmsg (net/socket.c:2700) 
[ 114.215116][ T996] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.215456][ T996] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.215802][ T996] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.216144][ T996] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.216495][ T996] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.216831][ T996] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.217238][  T996] RIP: 0033:0x7fc51a78e1e7
[ 114.217593][ T996] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.218778][  T996] RSP: 002b:00007ffc02306178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.219275][  T996] RAX: ffffffffffffffda RBX: 00007ffc023068a0 RCX: 00007fc51a78e1e7
[  114.219781][  T996] RDX: 0000000000000000 RSI: 00007ffc023061e0 RDI: 0000000000000005
[  114.220273][  T996] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.220765][  T996] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc023068d8
[  114.221268][  T996] R13: 00000000686e3458 R14: 0000000000499600 R15: 0000000000000000
| [  114.391949][  T998] ------------[ cut here ]------------
| [ 114.392295][ T998] WARNING: CPU: 2 PID: 998 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.393068][  T998] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.394308][  T998] Tainted: [W]=WARN
[  114.394582][  T998] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.395011][ T998] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.395369][ T998] 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
[  114.396544][  T998] RSP: 0018:ffffc90000637080 EFLAGS: 00010246
[  114.396967][  T998] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  114.397475][  T998] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  114.398000][  T998] RBP: ffffc90000637168 R08: 0000000000000000 R09: 0000000000000000
[  114.398510][  T998] R10: ffffc90000637198 R11: ffffffff992a8918 R12: 1ffff920000c6e14
[  114.399000][  T998] R13: 00000000000005dc R14: ffffc90000637198 R15: ffff888005c5af08
[  114.399505][  T998] FS:  00007f4cc148a800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  114.400078][  T998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.400502][  T998] CR2: 00007fa5237f3840 CR3: 000000000c303005 CR4: 0000000000772ef0
[  114.401015][  T998] PKRU: 55555554
[  114.401276][  T998] Call Trace:
[  114.401564][  T998]  <TASK>
[ 114.401770][ T998] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.402129][ T998] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.402489][ T998] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.402913][ T998] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.403261][ T998] netif_set_mtu (net/core/dev.c:9652) 
[ 114.403613][ T998] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.403967][ T998] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.404443][ T998] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.404702][ T998] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.405162][ T998] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.405552][ T998] do_set_master (net/core/rtnetlink.c:2948) 
[ 114.405893][ T998] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.406236][ T998] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.406583][ T998] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.406914][ T998] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.407277][ T998] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.407666][ T998] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.408014][ T998] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.408352][ T998] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.408702][ T998] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.409051][ T998] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.409406][ T998] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.409757][ T998] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.410085][ T998] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.410435][ T998] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.410771][ T998] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.411138][ T998] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.411504][ T998] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.411848][ T998] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.412198][ T998] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.412560][ T998] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.412914][ T998] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.413260][ T998] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.413618][ T998] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.413970][ T998] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.414318][ T998] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.414681][ T998] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.415033][ T998] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.415380][ T998] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.415749][ T998] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.416115][ T998] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.416473][ T998] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.416907][ T998] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.417274][ T998] ___sys_sendmsg (net/socket.c:2670) 
[ 114.417637][ T998] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.417986][ T998] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.418337][ T998] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.418695][ T998] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.419040][ T998] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.419383][ T998] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.419740][ T998] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.420100][ T998] __sys_sendmsg (net/socket.c:2700) 
[ 114.420460][ T998] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.420805][ T998] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.421172][ T998] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.421521][ T998] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.421869][ T998] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.422208][ T998] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.422636][  T998] RIP: 0033:0x7f4cc16571e7
[ 114.422979][ T998] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.424158][  T998] RSP: 002b:00007ffe332d9a08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.424661][  T998] RAX: ffffffffffffffda RBX: 00007ffe332da130 RCX: 00007f4cc16571e7
[  114.425173][  T998] RDX: 0000000000000000 RSI: 00007ffe332d9a70 RDI: 0000000000000005
[  114.425709][  T998] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.426211][  T998] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe332da168
[  114.426724][  T998] R13: 00000000686e3459 R14: 0000000000499600 R15: 0000000000000000
| [  114.869234][ T1004] ------------[ cut here ]------------
| [ 114.869635][ T1004] WARNING: CPU: 1 PID: 1004 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.870267][ T1004] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.871476][ T1004] Tainted: [W]=WARN
[  114.871738][ T1004] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.872222][ T1004] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.872649][ T1004] 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
[  114.874143][ T1004] RSP: 0018:ffffc90000657080 EFLAGS: 00010246
[  114.874591][ T1004] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  114.875070][ T1004] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  114.875581][ T1004] RBP: ffffc90000657168 R08: 0000000000000000 R09: 0000000000000000
[  114.876062][ T1004] R10: ffffc90000657198 R11: ffffffff992a8918 R12: 1ffff920000cae14
[  114.876575][ T1004] R13: 00000000000005dc R14: ffffc90000657198 R15: ffff88800c042f08
[  114.877048][ T1004] FS:  00007fd611a39800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  114.877618][ T1004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.878029][ T1004] CR2: 00000000004a1738 CR3: 000000000bec1005 CR4: 0000000000772ef0
[  114.878541][ T1004] PKRU: 55555554
[  114.878824][ T1004] Call Trace:
[  114.879205][ T1004]  <TASK>
[ 114.879523][ T1004] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.880121][ T1004] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.880718][ T1004] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.881202][ T1004] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.881539][ T1004] netif_set_mtu (net/core/dev.c:9652) 
[ 114.881863][ T1004] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.882191][ T1004] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.882653][ T1004] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.882903][ T1004] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.883347][ T1004] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.883721][ T1004] do_set_master (net/core/rtnetlink.c:2948) 
[ 114.884086][ T1004] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.884425][ T1004] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.884760][ T1004] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.885085][ T1004] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.885431][ T1004] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.885771][ T1004] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.886121][ T1004] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.886485][ T1004] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.886824][ T1004] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.887150][ T1004] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.887491][ T1004] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.887822][ T1004] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.888134][ T1004] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.888474][ T1004] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.888792][ T1004] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.889119][ T1004] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.889458][ T1004] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.889778][ T1004] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.890099][ T1004] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.890458][ T1004] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.890793][ T1004] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.891136][ T1004] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.891473][ T1004] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.891828][ T1004] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.892158][ T1004] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.892495][ T1004] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.892814][ T1004] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.893126][ T1004] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.893511][ T1004] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.893867][ T1004] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.894183][ T1004] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.894631][ T1004] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.894972][ T1004] ___sys_sendmsg (net/socket.c:2670) 
[ 114.895310][ T1004] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.895637][ T1004] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.895957][ T1004] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.896272][ T1004] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.896612][ T1004] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.896939][ T1004] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.897252][ T1004] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.897594][ T1004] __sys_sendmsg (net/socket.c:2700) 
[ 114.897915][ T1004] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.898229][ T1004] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.898570][ T1004] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.898900][ T1004] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.899223][ T1004] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.899548][ T1004] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.899949][ T1004] RIP: 0033:0x7fd611c061e7
[ 114.900279][ T1004] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.901451][ T1004] RSP: 002b:00007ffe123a8988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.901962][ T1004] RAX: ffffffffffffffda RBX: 00007ffe123a90b0 RCX: 00007fd611c061e7
[  114.902474][ T1004] RDX: 0000000000000000 RSI: 00007ffe123a89f0 RDI: 0000000000000005
[  114.903014][ T1004] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.903518][ T1004] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe123a90e8
[  114.904017][ T1004] R13: 00000000686e3459 R14: 0000000000499600 R15: 0000000000000000
| [  115.076364][ T1006] ------------[ cut here ]------------
| [ 115.076719][ T1006] WARNING: CPU: 3 PID: 1006 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.077462][ T1006] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.078688][ T1006] Tainted: [W]=WARN
[  115.078946][ T1006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.079369][ T1006] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.080159][ T1006] 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
[  115.081405][ T1006] RSP: 0018:ffffc90000657080 EFLAGS: 00010246
[  115.081835][ T1006] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  115.082412][ T1006] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  115.082970][ T1006] RBP: ffffc90000657168 R08: 0000000000000000 R09: 0000000000000000
[  115.083500][ T1006] R10: ffffc90000657198 R11: ffffffff992a8918 R12: 1ffff920000cae14
[  115.084039][ T1006] R13: 00000000000005dc R14: ffffc90000657198 R15: ffff88800c042f08
[  115.084562][ T1006] FS:  00007fd6260fc800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  115.085217][ T1006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.085652][ T1006] CR2: 00000000004a1738 CR3: 000000000fe56001 CR4: 0000000000772ef0
[  115.086167][ T1006] PKRU: 55555554
[  115.086441][ T1006] Call Trace:
[  115.086725][ T1006]  <TASK>
[ 115.086906][ T1006] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.087256][ T1006] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.087672][ T1006] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.088241][ T1006] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.088599][ T1006] netif_set_mtu (net/core/dev.c:9652) 
[ 115.088970][ T1006] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.089328][ T1006] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.089819][ T1006] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.090086][ T1006] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.090602][ T1006] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.091002][ T1006] do_set_master (net/core/rtnetlink.c:2948) 
[ 115.091345][ T1006] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.091709][ T1006] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.092060][ T1006] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.092413][ T1006] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.092817][ T1006] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.093161][ T1006] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.093518][ T1006] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.093860][ T1006] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.094209][ T1006] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.094562][ T1006] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.094901][ T1006] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.095348][ T1006] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.095933][ T1006] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.096275][ T1006] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.096615][ T1006] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.096956][ T1006] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.097301][ T1006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.097700][ T1006] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.098046][ T1006] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.098380][ T1006] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.098762][ T1006] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.099124][ T1006] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.099463][ T1006] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.099800][ T1006] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.100210][ T1006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.100786][ T1006] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.101273][ T1006] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.101644][ T1006] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.101996][ T1006] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.102369][ T1006] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.102761][ T1006] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.103199][ T1006] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.103570][ T1006] ___sys_sendmsg (net/socket.c:2670) 
[ 115.103915][ T1006] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.104269][ T1006] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.104635][ T1006] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.104976][ T1006] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.105329][ T1006] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.105697][ T1006] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.106035][ T1006] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.106408][ T1006] __sys_sendmsg (net/socket.c:2700) 
[ 115.106769][ T1006] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.107100][ T1006] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 115.107454][ T1006] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 115.107799][ T1006] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.108146][ T1006] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.108506][ T1006] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.108930][ T1006] RIP: 0033:0x7fd6262c91e7
[ 115.109295][ T1006] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.110561][ T1006] RSP: 002b:00007fffff905228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.111122][ T1006] RAX: ffffffffffffffda RBX: 00007fffff905950 RCX: 00007fd6262c91e7
[  115.111662][ T1006] RDX: 0000000000000000 RSI: 00007fffff905290 RDI: 0000000000000005
[  115.112178][ T1006] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.112707][ T1006] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffff905988
[  115.113219][ T1006] R13: 00000000686e3459 R14: 0000000000499600 R15: 0000000000000000
| [  115.284290][ T1007] ------------[ cut here ]------------
| [ 115.284655][ 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) 
| [  115.285305][ T1007] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.286534][ T1007] Tainted: [W]=WARN
[  115.286793][ T1007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.287207][ 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) 
[ 115.287560][ 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
[  115.288711][ T1007] RSP: 0018:ffffc90000507080 EFLAGS: 00010246
[  115.289131][ T1007] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  115.289631][ T1007] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  115.290127][ T1007] RBP: ffffc90000507168 R08: 0000000000000000 R09: 0000000000000000
[  115.290625][ T1007] R10: ffffc90000507198 R11: ffffffff992a8918 R12: 1ffff920000a0e14
[  115.291137][ T1007] R13: 00000000000005dc R14: ffffc90000507198 R15: ffff88800c042f08
[  115.291645][ T1007] FS:  00007fdb94cf8800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  115.292214][ T1007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.292631][ T1007] CR2: 00007fdb94fbd430 CR3: 000000000a3e5004 CR4: 0000000000772ef0
[  115.293122][ T1007] PKRU: 55555554
[  115.293373][ T1007] Call Trace:
[  115.293637][ T1007]  <TASK>
[ 115.293816][ T1007] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.294154][ T1007] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.294491][ T1007] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.294904][ T1007] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.295235][ T1007] netif_set_mtu (net/core/dev.c:9652) 
[ 115.295576][ T1007] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.295915][ T1007] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.296386][ T1007] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.296650][ T1007] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.297099][ T1007] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.297486][ T1007] do_set_master (net/core/rtnetlink.c:2948) 
[ 115.297831][ T1007] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.298164][ T1007] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.298515][ T1007] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.298864][ T1007] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.299214][ T1007] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.299570][ T1007] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.299910][ T1007] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.300239][ T1007] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.300588][ T1007] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.300942][ T1007] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.301280][ T1007] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.301637][ T1007] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.301970][ T1007] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.302305][ T1007] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.302642][ T1007] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.302984][ T1007] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.303319][ T1007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.303663][ T1007] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.303998][ T1007] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.304428][ T1007] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.304824][ T1007] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.305189][ 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) 
[ 115.305552][ T1007] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.305907][ T1007] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.306252][ T1007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.306636][ T1007] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.307011][ T1007] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.307351][ T1007] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.307704][ T1007] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.308039][ T1007] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.308373][ T1007] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.308799][ T1007] ___sys_sendmsg (net/socket.c:2670) 
[ 115.309167][ T1007] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.309526][ T1007] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 115.309882][ T1007] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 115.310230][ T1007] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 115.310608][ T1007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.311001][ T1007] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.311360][ T1007] __sys_sendmsg (net/socket.c:2700) 
[ 115.311749][ T1007] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.312111][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.312472][ T1007] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.312830][ T1007] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.313263][ T1007] RIP: 0033:0x7fdb94ec51e7
[ 115.313628][ 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)
[  115.314874][ T1007] RSP: 002b:00007ffe912999d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.315420][ T1007] RAX: ffffffffffffffda RBX: 00007ffe9129a100 RCX: 00007fdb94ec51e7
[  115.315964][ T1007] RDX: 0000000000000000 RSI: 00007ffe91299a40 RDI: 0000000000000005
[  115.316490][ T1007] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.317020][ T1007] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9129a138
[  115.317552][ T1007] R13: 00000000686e3459 R14: 0000000000499600 R15: 0000000000000000
| [  115.462715][ T1009] ------------[ cut here ]------------
| [ 115.463046][ T1009] WARNING: CPU: 0 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) 
| [  115.463728][ T1009] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.464931][ T1009] Tainted: [W]=WARN
[  115.465190][ T1009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.465651][ 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) 
[ 115.465999][ 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
[  115.467196][ T1009] RSP: 0018:ffffc90000667080 EFLAGS: 00010246
[  115.467633][ T1009] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  115.468135][ T1009] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  115.468653][ T1009] RBP: ffffc90000667168 R08: 0000000000000000 R09: 0000000000000000
[  115.469126][ T1009] R10: ffffc90000667198 R11: ffffffff992a8918 R12: 1ffff920000cce14
[  115.469612][ T1009] R13: 00000000000005dc R14: ffffc90000667198 R15: ffff88800c042f08
[  115.470094][ T1009] FS:  00007f78ea2cf800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  115.470658][ T1009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.471067][ T1009] CR2: 00000000004a1738 CR3: 000000000fd63006 CR4: 0000000000772ef0
[  115.471561][ T1009] PKRU: 55555554
[  115.471801][ T1009] Call Trace:
[  115.472042][ T1009]  <TASK>
[ 115.472207][ T1009] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.472540][ T1009] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.472864][ T1009] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.473306][ T1009] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.473659][ T1009] netif_set_mtu (net/core/dev.c:9652) 
[ 115.473993][ T1009] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.474339][ T1009] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.474819][ T1009] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.475073][ T1009] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.475540][ T1009] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.475930][ T1009] do_set_master (net/core/rtnetlink.c:2948) 
[ 115.476267][ T1009] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.476613][ T1009] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.476952][ T1009] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.477282][ T1009] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.477621][ T1009] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.477962][ T1009] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.478301][ T1009] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.478643][ T1009] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.478985][ T1009] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.479319][ T1009] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.479660][ T1009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.480009][ T1009] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.480338][ T1009] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.480678][ T1009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.481031][ T1009] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.481366][ T1009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.481734][ T1009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.482066][ T1009] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.482429][ T1009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.482768][ T1009] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.483122][ T1009] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.483491][ 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) 
[ 115.483841][ T1009] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.484208][ T1009] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.484551][ T1009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.484890][ T1009] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.485225][ T1009] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.485563][ T1009] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.485908][ T1009] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.486242][ T1009] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.486576][ T1009] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.486990][ T1009] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.487328][ T1009] ___sys_sendmsg (net/socket.c:2670) 
[ 115.487668][ T1009] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.487999][ T1009] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.488338][ T1009] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.488677][ T1009] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.489013][ T1009] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.489354][ T1009] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.489697][ T1009] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.490047][ T1009] __sys_sendmsg (net/socket.c:2700) 
[ 115.490382][ T1009] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.490723][ 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) 
[ 115.491086][ 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) 
[ 115.491439][ T1009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.491783][ T1009] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.492117][ T1009] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.492541][ T1009] RIP: 0033:0x7f78ea49c1e7
[ 115.493132][ 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)
[  115.494824][ T1009] RSP: 002b:00007ffea834d548 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.495331][ T1009] RAX: ffffffffffffffda RBX: 00007ffea834dc70 RCX: 00007f78ea49c1e7
[  115.496306][ T1009] RDX: 0000000000000000 RSI: 00007ffea834d5b0 RDI: 0000000000000005
[  115.497049][ T1009] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.498026][ T1009] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffea834dca8
[  115.498528][ T1009] R13: 00000000686e345a R14: 0000000000499600 R15: 0000000000000000
| [  115.683607][ T1012] ------------[ cut here ]------------
| [ 115.683925][ T1012] WARNING: CPU: 0 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) 
| [  115.684571][ T1012] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.685725][ T1012] Tainted: [W]=WARN
[  115.685964][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.686372][ 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) 
[ 115.686708][ 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
[  115.687850][ T1012] RSP: 0018:ffffc90000547080 EFLAGS: 00010246
[  115.688310][ T1012] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  115.688800][ T1012] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  115.689309][ T1012] RBP: ffffc90000547168 R08: 0000000000000000 R09: 0000000000000000
[  115.689816][ T1012] R10: ffffc90000547198 R11: ffffffff992a8918 R12: 1ffff920000a8e14
[  115.690311][ T1012] R13: 00000000000005dc R14: ffffc90000547198 R15: ffff88800c042f08
[  115.690802][ T1012] FS:  00007f4e506ac800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  115.691406][ T1012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.691815][ T1012] CR2: 00007fa5234c07b0 CR3: 000000000f4d1004 CR4: 0000000000772ef0
[  115.692367][ T1012] PKRU: 55555554
[  115.692625][ T1012] Call Trace:
[  115.692877][ T1012]  <TASK>
[ 115.693045][ T1012] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.693381][ T1012] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.693716][ T1012] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.694113][ T1012] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.694466][ T1012] netif_set_mtu (net/core/dev.c:9652) 
[ 115.694791][ T1012] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.695119][ T1012] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.695581][ T1012] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.695823][ T1012] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.696271][ T1012] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.696646][ T1012] do_set_master (net/core/rtnetlink.c:2948) 
[ 115.696961][ T1012] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.697289][ T1012] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.697623][ T1012] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.697950][ T1012] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.698285][ T1012] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.698677][ T1012] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.699005][ T1012] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.699339][ T1012] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.699676][ T1012] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.700011][ T1012] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.700338][ T1012] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.700676][ T1012] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.701012][ T1012] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.701339][ T1012] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.701668][ T1012] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.701991][ T1012] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.702309][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.702646][ T1012] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.702969][ T1012] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.703293][ T1012] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.703630][ T1012] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.703946][ 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) 
[ 115.704265][ T1012] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.704595][ T1012] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.704909][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.705243][ T1012] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.705616][ T1012] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.705938][ T1012] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.706267][ T1012] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.706599][ T1012] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.706915][ T1012] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.707325][ T1012] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.707656][ T1012] ___sys_sendmsg (net/socket.c:2670) 
[ 115.707976][ T1012] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.708295][ T1012] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.708623][ T1012] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.708943][ T1012] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.709265][ T1012] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.709589][ T1012] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.709900][ T1012] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.710232][ T1012] __sys_sendmsg (net/socket.c:2700) 
[ 115.710559][ T1012] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.710886][ 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) 
[ 115.711211][ 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) 
[ 115.711542][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.711864][ T1012] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.712180][ T1012] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.712581][ T1012] RIP: 0033:0x7f4e508791e7
[ 115.712911][ 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)
[  115.714104][ T1012] RSP: 002b:00007ffecfc63bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.714620][ T1012] RAX: ffffffffffffffda RBX: 00007ffecfc64320 RCX: 00007f4e508791e7
[  115.715106][ T1012] RDX: 0000000000000000 RSI: 00007ffecfc63c60 RDI: 0000000000000005
[  115.715612][ T1012] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.716104][ T1012] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffecfc64358
[  115.716599][ T1012] R13: 00000000686e345a R14: 0000000000499600 R15: 0000000000000000
| [  115.890105][ T1013] ------------[ cut here ]------------
| [ 115.890456][ T1013] WARNING: CPU: 0 PID: 1013 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.891119][ T1013] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.892419][ T1013] Tainted: [W]=WARN
[  115.892711][ T1013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.893253][ T1013] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.893708][ T1013] 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
[  115.895133][ T1013] RSP: 0018:ffffc90000677080 EFLAGS: 00010246
[  115.895637][ T1013] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  115.896229][ T1013] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  115.896850][ T1013] RBP: ffffc90000677168 R08: 0000000000000000 R09: 0000000000000000
[  115.897419][ T1013] R10: ffffc90000677198 R11: ffffffff992a8918 R12: 1ffff920000cee14
[  115.897991][ T1013] R13: 00000000000005dc R14: ffffc90000677198 R15: ffff88800c042f08
[  115.898592][ T1013] FS:  00007f6242355800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  115.899259][ T1013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.899672][ T1013] CR2: 00000000004a1738 CR3: 000000000c9f8003 CR4: 0000000000772ef0
[  115.900157][ T1013] PKRU: 55555554
[  115.900410][ T1013] Call Trace:
[  115.900651][ T1013]  <TASK>
[ 115.900832][ T1013] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.901170][ T1013] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.901510][ T1013] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.901904][ T1013] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.902235][ T1013] netif_set_mtu (net/core/dev.c:9652) 
[ 115.902584][ T1013] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.902927][ T1013] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.903409][ T1013] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.903659][ T1013] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.904097][ T1013] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.904493][ T1013] do_set_master (net/core/rtnetlink.c:2948) 
[ 115.904825][ T1013] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.905161][ T1013] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.905499][ T1013] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.905815][ T1013] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.906131][ T1013] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.906480][ T1013] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.906825][ T1013] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.907162][ T1013] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.907511][ T1013] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.907854][ T1013] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.908194][ T1013] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.908530][ T1013] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.908857][ T1013] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.909177][ T1013] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.909508][ T1013] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.909827][ T1013] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.910149][ T1013] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.910496][ T1013] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.910826][ T1013] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.911172][ T1013] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.911521][ T1013] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.911838][ T1013] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.912163][ T1013] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.912496][ T1013] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.912820][ T1013] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.913155][ T1013] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.913497][ T1013] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.913821][ T1013] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.914157][ T1013] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.914545][ T1013] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.914908][ T1013] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.915374][ T1013] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.915763][ T1013] ___sys_sendmsg (net/socket.c:2670) 
[ 115.916192][ T1013] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.916592][ T1013] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.917029][ T1013] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.917470][ T1013] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.917924][ T1013] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.918346][ T1013] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.918727][ T1013] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.919119][ T1013] __sys_sendmsg (net/socket.c:2700) 
[ 115.919509][ T1013] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.919865][ T1013] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 115.920240][ T1013] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 115.920621][ T1013] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.920995][ T1013] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.921341][ T1013] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.921820][ T1013] RIP: 0033:0x7f62425221e7
[ 115.922209][ T1013] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.923523][ T1013] RSP: 002b:00007ffeda674dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.924060][ T1013] RAX: ffffffffffffffda RBX: 00007ffeda6754f0 RCX: 00007f62425221e7
[  115.924547][ T1013] RDX: 0000000000000000 RSI: 00007ffeda674e30 RDI: 0000000000000005
[  115.925065][ T1013] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.925622][ T1013] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeda675528
[  115.926174][ T1013] R13: 00000000686e345a R14: 0000000000499600 R15: 0000000000000000
| [  116.105493][ T1015] ------------[ cut here ]------------
| [ 116.105808][ T1015] WARNING: CPU: 0 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) 
| [  116.106487][ T1015] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.107689][ T1015] Tainted: [W]=WARN
[  116.107929][ T1015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.108331][ 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) 
[ 116.108667][ 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
[  116.109807][ T1015] RSP: 0018:ffffc90000547080 EFLAGS: 00010246
[  116.110233][ T1015] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  116.110717][ T1015] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  116.111207][ T1015] RBP: ffffc90000547168 R08: 0000000000000000 R09: 0000000000000000
[  116.111717][ T1015] R10: ffffc90000547198 R11: ffffffff992a8918 R12: 1ffff920000a8e14
[  116.112217][ T1015] R13: 00000000000005dc R14: ffffc90000547198 R15: ffff88800c042f08
[  116.112715][ T1015] FS:  00007f3115024800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  116.113291][ T1015] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.113718][ T1015] CR2: 00000000004a1738 CR3: 0000000009ae8006 CR4: 0000000000772ef0
[  116.114228][ T1015] PKRU: 55555554
[  116.114481][ T1015] Call Trace:
[  116.114726][ T1015]  <TASK>
[ 116.114892][ T1015] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.115232][ T1015] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.115564][ T1015] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.115979][ T1015] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.116305][ T1015] netif_set_mtu (net/core/dev.c:9652) 
[ 116.116642][ T1015] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.116985][ T1015] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.117520][ T1015] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.117800][ T1015] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.118276][ T1015] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.118665][ T1015] do_set_master (net/core/rtnetlink.c:2948) 
[ 116.118998][ T1015] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.119362][ T1015] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.119701][ T1015] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.120017][ T1015] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.120350][ T1015] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.120679][ T1015] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.121013][ T1015] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.121346][ T1015] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.121698][ T1015] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.122040][ T1015] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.122379][ T1015] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.122771][ T1015] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.123092][ T1015] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.123422][ T1015] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.123747][ T1015] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.124065][ T1015] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.124401][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.124733][ T1015] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.125070][ T1015] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.125404][ T1015] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.125746][ T1015] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.126068][ 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) 
[ 116.126414][ T1015] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 116.126739][ T1015] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.127060][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.127495][ T1015] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.127893][ T1015] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.128234][ T1015] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.128634][ T1015] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.129058][ T1015] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.129548][ T1015] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.129990][ T1015] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.130365][ T1015] ___sys_sendmsg (net/socket.c:2670) 
[ 116.130702][ T1015] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.131135][ T1015] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.131480][ T1015] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.131821][ T1015] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.132153][ T1015] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.132526][ T1015] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.132912][ T1015] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.133368][ T1015] __sys_sendmsg (net/socket.c:2700) 
[ 116.133820][ T1015] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.134158][ 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) 
[ 116.134512][ 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) 
[ 116.134843][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.135167][ T1015] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.135518][ T1015] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.135935][ T1015] RIP: 0033:0x7f31151f11e7
[ 116.136300][ 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)
[  116.137534][ T1015] RSP: 002b:00007ffee1795478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.138015][ T1015] RAX: ffffffffffffffda RBX: 00007ffee1795ba0 RCX: 00007f31151f11e7
[  116.138551][ T1015] RDX: 0000000000000000 RSI: 00007ffee17954e0 RDI: 0000000000000005
[  116.139047][ T1015] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.139547][ T1015] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee1795bd8
[  116.140021][ T1015] R13: 00000000686e345a R14: 0000000000499600 R15: 0000000000000000
| [  116.340989][ T1018] ------------[ cut here ]------------
| [ 116.341333][ T1018] WARNING: CPU: 2 PID: 1018 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.342025][ T1018] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.343268][ T1018] Tainted: [W]=WARN
[  116.343537][ T1018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.343963][ T1018] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.344308][ T1018] 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
[  116.345475][ T1018] RSP: 0018:ffffc900005d7080 EFLAGS: 00010246
[  116.345904][ T1018] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  116.346415][ T1018] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  116.346921][ T1018] RBP: ffffc900005d7168 R08: 0000000000000000 R09: 0000000000000000
[  116.347415][ T1018] R10: ffffc900005d7198 R11: ffffffff992a8918 R12: 1ffff920000bae14
[  116.347914][ T1018] R13: 00000000000005dc R14: ffffc900005d7198 R15: ffff88800c042f08
[  116.348412][ T1018] FS:  00007fee50e06800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  116.349002][ T1018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.349425][ T1018] CR2: 00007fa523704a00 CR3: 000000000fee5001 CR4: 0000000000772ef0
[  116.349931][ T1018] PKRU: 55555554
[  116.350187][ T1018] Call Trace:
[  116.350457][ T1018]  <TASK>
[ 116.350651][ T1018] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.351001][ T1018] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.351340][ T1018] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.351783][ T1018] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.352123][ T1018] netif_set_mtu (net/core/dev.c:9652) 
[ 116.352472][ T1018] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.352849][ T1018] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.353314][ T1018] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.353590][ T1018] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.354102][ T1018] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.354503][ T1018] do_set_master (net/core/rtnetlink.c:2948) 
[ 116.354853][ T1018] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.355186][ T1018] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.355527][ T1018] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.355868][ T1018] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.356204][ T1018] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.356545][ T1018] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.356902][ T1018] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.357233][ T1018] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.357583][ T1018] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.357939][ T1018] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.358274][ T1018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.358636][ T1018] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.358982][ T1018] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.359344][ T1018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.359706][ T1018] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.360038][ T1018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.360372][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.360741][ T1018] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.361088][ T1018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.361436][ T1018] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.361793][ T1018] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.362121][ T1018] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.362465][ T1018] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 116.362814][ T1018] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.363145][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.363492][ T1018] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.363850][ T1018] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.364182][ T1018] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.364528][ T1018] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.364886][ T1018] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.365218][ T1018] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.365651][ T1018] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.366029][ T1018] ___sys_sendmsg (net/socket.c:2670) 
[ 116.366384][ T1018] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.366747][ T1018] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.367082][ T1018] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.367423][ T1018] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.367777][ T1018] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.368105][ T1018] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.368451][ T1018] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.368819][ T1018] __sys_sendmsg (net/socket.c:2700) 
[ 116.369152][ T1018] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.369494][ T1018] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 116.369849][ T1018] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 116.370179][ T1018] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.370524][ T1018] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.370874][ T1018] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.371295][ T1018] RIP: 0033:0x7fee50fd31e7
[ 116.371661][ T1018] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  116.372836][ T1018] RSP: 002b:00007fff780244c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.373334][ T1018] RAX: ffffffffffffffda RBX: 00007fff78024bf0 RCX: 00007fee50fd31e7
[  116.373840][ T1018] RDX: 0000000000000000 RSI: 00007fff78024530 RDI: 0000000000000005
[  116.374326][ T1018] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.374835][ T1018] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff78024c28
[  116.375373][ T1018] R13: 00000000686e345a R14: 0000000000499600 R15: 0000000000000000
| [  116.539741][ T1020] ------------[ cut here ]------------
| [ 116.540090][ T1020] WARNING: CPU: 2 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) 
| [  116.540808][ T1020] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.542024][ T1020] Tainted: [W]=WARN
[  116.542282][ T1020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.542734][ 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) 
[ 116.543091][ 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
[  116.544270][ T1020] RSP: 0018:ffffc90000567080 EFLAGS: 00010246
[  116.544716][ T1020] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  116.545212][ T1020] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  116.545730][ T1020] RBP: ffffc90000567168 R08: 0000000000000000 R09: 0000000000000000
[  116.546216][ T1020] R10: ffffc90000567198 R11: ffffffff992a8918 R12: 1ffff920000ace14
[  116.546764][ T1020] R13: 00000000000005dc R14: ffffc90000567198 R15: ffff88800c042f08
[  116.547267][ T1020] FS:  00007fec2a4cb800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  116.547914][ T1020] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.548332][ T1020] CR2: 00007fa523704a00 CR3: 000000000fc2c006 CR4: 0000000000772ef0
[  116.548850][ T1020] PKRU: 55555554
[  116.549105][ T1020] Call Trace:
[  116.549363][ T1020]  <TASK>
[ 116.549556][ T1020] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.549923][ T1020] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.550264][ T1020] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.550704][ T1020] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.551067][ T1020] netif_set_mtu (net/core/dev.c:9652) 
[ 116.551414][ T1020] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.551793][ T1020] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.552254][ T1020] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.552522][ T1020] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.553027][ T1020] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.553429][ T1020] do_set_master (net/core/rtnetlink.c:2948) 
[ 116.553796][ T1020] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.554133][ T1020] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.554481][ T1020] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.554825][ T1020] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.555169][ T1020] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.555511][ T1020] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.555865][ T1020] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.556201][ T1020] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.556556][ T1020] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.556929][ T1020] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.557268][ T1020] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.557646][ T1020] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.558036][ T1020] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.558375][ T1020] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.558737][ T1020] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.559072][ T1020] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.559414][ T1020] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.559766][ T1020] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.560101][ T1020] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.560441][ T1020] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.560800][ T1020] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.561142][ 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) 
[ 116.561493][ T1020] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 116.561870][ T1020] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.562210][ T1020] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.562566][ T1020] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.562945][ T1020] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.563300][ T1020] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.563674][ T1020] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.564023][ T1020] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.564354][ T1020] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.564796][ T1020] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.565137][ T1020] ___sys_sendmsg (net/socket.c:2670) 
[ 116.565479][ T1020] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.565829][ T1020] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.566165][ T1020] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.566511][ T1020] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.566883][ T1020] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.567218][ T1020] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.567558][ T1020] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.567916][ T1020] __sys_sendmsg (net/socket.c:2700) 
[ 116.568284][ T1020] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.568635][ 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) 
[ 116.568983][ 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) 
[ 116.569323][ T1020] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.569691][ T1020] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.570028][ T1020] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.570443][ T1020] RIP: 0033:0x7fec2a6981e7
[ 116.570804][ 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)
[  116.572014][ T1020] RSP: 002b:00007ffdcd830178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.572518][ T1020] RAX: ffffffffffffffda RBX: 00007ffdcd8308a0 RCX: 00007fec2a6981e7
[  116.573022][ T1020] RDX: 0000000000000000 RSI: 00007ffdcd8301e0 RDI: 0000000000000005
[  116.573536][ T1020] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.574052][ T1020] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdcd8308d8
[  116.574558][ T1020] R13: 00000000686e345b R14: 0000000000499600 R15: 0000000000000000
| [  116.734421][ T1021] ------------[ cut here ]------------
| [ 116.734763][ T1021] WARNING: CPU: 3 PID: 1021 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.735621][ T1021] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.736915][ T1021] Tainted: [W]=WARN
[  116.737154][ T1021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.737557][ T1021] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.737888][ T1021] 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
[  116.739035][ T1021] RSP: 0018:ffffc90000697080 EFLAGS: 00010246
[  116.739469][ T1021] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  116.739957][ T1021] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  116.740479][ T1021] RBP: ffffc90000697168 R08: 0000000000000000 R09: 0000000000000000
[  116.740983][ T1021] R10: ffffc90000697198 R11: ffffffff992a8918 R12: 1ffff920000d2e14
[  116.741467][ T1021] R13: 00000000000005dc R14: ffffc90000697198 R15: ffff88800c042f08
[  116.741948][ T1021] FS:  00007f152aa56800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  116.742520][ T1021] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.742934][ T1021] CR2: 000055e194f39638 CR3: 000000000bec1004 CR4: 0000000000772ef0
[  116.743420][ T1021] PKRU: 55555554
[  116.743660][ T1021] Call Trace:
[  116.743915][ T1021]  <TASK>
[ 116.744089][ T1021] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.744434][ T1021] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.744755][ T1021] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.745167][ T1021] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.745502][ T1021] netif_set_mtu (net/core/dev.c:9652) 
[ 116.745822][ T1021] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.746175][ T1021] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.746651][ T1021] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.746923][ T1021] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.747374][ T1021] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.747799][ T1021] do_set_master (net/core/rtnetlink.c:2948) 
[ 116.748147][ T1021] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.748482][ T1021] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.748800][ T1021] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.749135][ T1021] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.749461][ T1021] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.749777][ T1021] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.750100][ T1021] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.750424][ T1021] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.750743][ T1021] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.751092][ T1021] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.751424][ T1021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.751752][ T1021] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.752063][ T1021] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.752385][ T1021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.752716][ T1021] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.753038][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.753367][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.753697][ T1021] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.754014][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.754328][ T1021] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.754666][ T1021] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.754977][ T1021] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.755296][ T1021] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 116.755624][ T1021] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.755942][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.756264][ T1021] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.756598][ T1021] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.756920][ T1021] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.757245][ T1021] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.757576][ T1021] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.757904][ T1021] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.758304][ T1021] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.758632][ T1021] ___sys_sendmsg (net/socket.c:2670) 
[ 116.758956][ T1021] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.759271][ T1021] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.759603][ T1021] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.759920][ T1021] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.760242][ T1021] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.760567][ T1021] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.760889][ T1021] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.761228][ T1021] __sys_sendmsg (net/socket.c:2700) 
[ 116.761569][ T1021] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.761889][ T1021] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 116.762234][ T1021] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 116.762599][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.762925][ T1021] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.763241][ T1021] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.763653][ T1021] RIP: 0033:0x7f152ac231e7
[ 116.763987][ T1021] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  116.765149][ T1021] RSP: 002b:00007fff1aacc7b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.765634][ T1021] RAX: ffffffffffffffda RBX: 00007fff1aaccee0 RCX: 00007f152ac231e7
[  116.766109][ T1021] RDX: 0000000000000000 RSI: 00007fff1aacc820 RDI: 0000000000000005
[  116.766587][ T1021] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.767063][ T1021] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff1aaccf18
[  116.767547][ T1021] R13: 00000000686e345b R14: 0000000000499600 R15: 0000000000000000
| [  116.961346][ T1023] ------------[ cut here ]------------
| [ 116.961706][ T1023] WARNING: CPU: 3 PID: 1023 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.962339][ T1023] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.963504][ T1023] Tainted: [W]=WARN
[  116.963752][ T1023] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.964152][ T1023] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.964490][ T1023] 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
[  116.965640][ T1023] RSP: 0018:ffffc90000567080 EFLAGS: 00010246
[  116.966047][ T1023] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  116.966532][ T1023] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  116.967011][ T1023] RBP: ffffc90000567168 R08: 0000000000000000 R09: 0000000000000000
[  116.967496][ T1023] R10: ffffc90000567198 R11: ffffffff992a8918 R12: 1ffff920000ace14
[  116.967980][ T1023] R13: 00000000000005dc R14: ffffc90000567198 R15: ffff88800c042f08
[  116.968464][ T1023] FS:  00007f17f9794800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  116.969034][ T1023] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.969443][ T1023] CR2: 000055e194f5cec0 CR3: 000000000c237006 CR4: 0000000000772ef0
[  116.969928][ T1023] PKRU: 55555554
[  116.970165][ T1023] Call Trace:
[  116.970409][ T1023]  <TASK>
[ 116.970574][ T1023] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.970911][ T1023] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.971232][ T1023] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.971636][ T1023] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.971961][ T1023] netif_set_mtu (net/core/dev.c:9652) 
[ 116.972288][ T1023] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.972633][ T1023] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.973090][ T1023] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.973331][ T1023] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.973775][ T1023] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.974140][ T1023] do_set_master (net/core/rtnetlink.c:2948) 
[ 116.974472][ T1023] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.974801][ T1023] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.975120][ T1023] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.975439][ T1023] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.975752][ T1023] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.976066][ T1023] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.976397][ T1023] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.976716][ T1023] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.977041][ T1023] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.977367][ T1023] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.977694][ T1023] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.978022][ T1023] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.978335][ T1023] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.978658][ T1023] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.978978][ T1023] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.979300][ T1023] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.979636][ T1023] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.979960][ T1023] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.980284][ T1023] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.980613][ T1023] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.980954][ T1023] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.981274][ T1023] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.981604][ T1023] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 116.981929][ T1023] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.982249][ T1023] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.982577][ T1023] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.982901][ T1023] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.983224][ T1023] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.983558][ T1023] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.983884][ T1023] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.984206][ T1023] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.984620][ T1023] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.984941][ T1023] ___sys_sendmsg (net/socket.c:2670) 
[ 116.985265][ T1023] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.985591][ T1023] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.985914][ T1023] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.986230][ T1023] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.986564][ T1023] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.986884][ T1023] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.987198][ T1023] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.987539][ T1023] __sys_sendmsg (net/socket.c:2700) 
[ 116.987860][ T1023] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.988176][ T1023] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 116.988508][ T1023] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 116.988834][ T1023] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.989160][ T1023] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.989486][ T1023] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.989891][ T1023] RIP: 0033:0x7f17f99611e7
[ 116.990222][ T1023] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  116.991385][ T1023] RSP: 002b:00007fffadfd85b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.991871][ T1023] RAX: ffffffffffffffda RBX: 00007fffadfd8ce0 RCX: 00007f17f99611e7
[  116.992343][ T1023] RDX: 0000000000000000 RSI: 00007fffadfd8620 RDI: 0000000000000005
[  116.992834][ T1023] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.993306][ T1023] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffadfd8d18
[  116.993796][ T1023] R13: 00000000686e345b R14: 0000000000499600 R15: 0000000000000000
| [  117.148225][ T1025] ------------[ cut here ]------------
| [ 117.148585][ T1025] WARNING: CPU: 3 PID: 1025 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  117.149224][ T1025] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.150364][ T1025] Tainted: [W]=WARN
[  117.150611][ T1025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.151016][ T1025] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 117.151342][ T1025] 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
[  117.152476][ T1025] RSP: 0018:ffffc90000697080 EFLAGS: 00010246
[  117.152882][ T1025] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  117.153359][ T1025] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  117.153841][ T1025] RBP: ffffc90000697168 R08: 0000000000000000 R09: 0000000000000000
[  117.154316][ T1025] R10: ffffc90000697198 R11: ffffffff992a8918 R12: 1ffff920000d2e14
[  117.154796][ T1025] R13: 00000000000005dc R14: ffffc90000697198 R15: ffff88800c042f08
[  117.155271][ T1025] FS:  00007f7dbfad2800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  117.155834][ T1025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.156226][ T1025] CR2: 00000000004a1738 CR3: 000000000b73e004 CR4: 0000000000772ef0
[  117.156706][ T1025] PKRU: 55555554
[  117.156944][ T1025] Call Trace:
[  117.157182][ T1025]  <TASK>
[ 117.157347][ T1025] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.157681][ T1025] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.158005][ T1025] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.158407][ T1025] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.158727][ T1025] netif_set_mtu (net/core/dev.c:9652) 
[ 117.159043][ T1025] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.159367][ T1025] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.159828][ T1025] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.160077][ T1025] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.160525][ T1025] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.160900][ T1025] do_set_master (net/core/rtnetlink.c:2948) 
[ 117.161220][ T1025] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.161549][ T1025] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.161872][ T1025] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.162191][ T1025] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.162547][ T1025] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.162869][ T1025] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.163194][ T1025] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.163516][ T1025] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.163838][ T1025] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.164164][ T1025] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.164494][ T1025] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.164822][ T1025] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.165137][ T1025] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.165466][ T1025] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.165782][ T1025] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.166106][ T1025] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.166446][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.166771][ T1025] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.167092][ T1025] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.167437][ T1025] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.167767][ T1025] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.168085][ T1025] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 117.168411][ T1025] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 117.168731][ T1025] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.169047][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.169367][ T1025] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.169694][ T1025] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.170012][ T1025] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.170341][ T1025] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.170671][ T1025] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.171001][ T1025] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.171414][ T1025] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.171739][ T1025] ___sys_sendmsg (net/socket.c:2670) 
[ 117.172058][ T1025] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.172374][ T1025] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.172705][ T1025] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.173024][ T1025] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.173344][ T1025] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.173669][ T1025] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.173987][ T1025] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.174321][ T1025] __sys_sendmsg (net/socket.c:2700) 
[ 117.174648][ T1025] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.174971][ T1025] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 117.175300][ T1025] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 117.175632][ T1025] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.175958][ T1025] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.176283][ T1025] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.176691][ T1025] RIP: 0033:0x7f7dbfc9f1e7
[ 117.177015][ T1025] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  117.178249][ T1025] RSP: 002b:00007ffd5ecb1728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.178748][ T1025] RAX: ffffffffffffffda RBX: 00007ffd5ecb1e50 RCX: 00007f7dbfc9f1e7
[  117.179230][ T1025] RDX: 0000000000000000 RSI: 00007ffd5ecb1790 RDI: 0000000000000005
[  117.179719][ T1025] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.180198][ T1025] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd5ecb1e88
[  117.180686][ T1025] R13: 00000000686e345b R14: 0000000000499600 R15: 0000000000000000
| [  117.316522][ T1027] ------------[ cut here ]------------
| [ 117.316843][ T1027] WARNING: CPU: 3 PID: 1027 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  117.317530][ T1027] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.318740][ T1027] Tainted: [W]=WARN
[  117.319048][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.319675][ T1027] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 117.320019][ T1027] 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
[  117.321191][ T1027] RSP: 0018:ffffc90000697080 EFLAGS: 00010246
[  117.321717][ T1027] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  117.322203][ T1027] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  117.322747][ T1027] RBP: ffffc90000697168 R08: 0000000000000000 R09: 0000000000000000
[  117.323234][ T1027] R10: ffffc90000697198 R11: ffffffff992a8918 R12: 1ffff920000d2e14
[  117.323720][ T1027] R13: 00000000000005dc R14: ffffc90000697198 R15: ffff88800c042f08
[  117.324194][ T1027] FS:  00007f204b707800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  117.324770][ T1027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.325177][ T1027] CR2: 00000000004a1738 CR3: 000000000baa4002 CR4: 0000000000772ef0
[  117.325754][ T1027] PKRU: 55555554
[  117.326029][ T1027] Call Trace:
[  117.326314][ T1027]  <TASK>
[ 117.326611][ T1027] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.327170][ T1027] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.327759][ T1027] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.328473][ T1027] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.329045][ T1027] netif_set_mtu (net/core/dev.c:9652) 
[ 117.329610][ T1027] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.330162][ T1027] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.330982][ T1027] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.331436][ T1027] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.332202][ T1027] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.332866][ T1027] do_set_master (net/core/rtnetlink.c:2948) 
[ 117.333449][ T1027] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.334023][ T1027] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.334599][ T1027] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.335151][ T1027] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.335799][ T1027] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.336359][ T1027] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.336960][ T1027] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.337526][ T1027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.338105][ T1027] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.338702][ T1027] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.339276][ T1027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.339898][ T1027] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.340482][ T1027] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.341071][ T1027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.341672][ T1027] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.342256][ T1027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.342859][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.343492][ T1027] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.344078][ T1027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.344664][ T1027] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.345247][ T1027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.345826][ T1027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 117.346387][ T1027] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 117.346976][ T1027] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.347555][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.348141][ T1027] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.348743][ T1027] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.349304][ T1027] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.349898][ T1027] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.350485][ T1027] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.351053][ T1027] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.351777][ T1027] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.352351][ T1027] ___sys_sendmsg (net/socket.c:2670) 
[ 117.352949][ T1027] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.353523][ T1027] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.354093][ T1027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.354673][ T1027] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.355245][ T1027] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.355782][ T1027] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.356322][ T1027] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.356915][ T1027] __sys_sendmsg (net/socket.c:2700) 
[ 117.357482][ T1027] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.358043][ T1027] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 117.358613][ T1027] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 117.359187][ T1027] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.359743][ T1027] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.360319][ T1027] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.360989][ T1027] RIP: 0033:0x7f204b8d41e7
[ 117.361345][ T1027] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  117.362553][ T1027] RSP: 002b:00007fffa345dbe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.363063][ T1027] RAX: ffffffffffffffda RBX: 00007fffa345e310 RCX: 00007f204b8d41e7
[  117.363582][ T1027] RDX: 0000000000000000 RSI: 00007fffa345dc50 RDI: 0000000000000005
[  117.364088][ T1027] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.364599][ T1027] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffa345e348
[  117.365106][ T1027] R13: 00000000686e345b R14: 0000000000499600 R15: 0000000000000000
| [  117.520846][ T1029] ------------[ cut here ]------------
| [ 117.521206][ T1029] WARNING: CPU: 3 PID: 1029 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  117.521931][ T1029] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.523156][ T1029] Tainted: [W]=WARN
[  117.523462][ T1029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.523897][ T1029] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 117.524243][ T1029] 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
[  117.525434][ T1029] RSP: 0018:ffffc900006a7080 EFLAGS: 00010246
[  117.525855][ T1029] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  117.526378][ T1029] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  117.526886][ T1029] RBP: ffffc900006a7168 R08: 0000000000000000 R09: 0000000000000000
[  117.527432][ T1029] R10: ffffc900006a7198 R11: ffffffff992a8918 R12: 1ffff920000d4e14
[  117.527929][ T1029] R13: 00000000000005dc R14: ffffc900006a7198 R15: ffff88800c042f08
[  117.528444][ T1029] FS:  00007f355a41b800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  117.529025][ T1029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.529448][ T1029] CR2: 00000000004a1738 CR3: 000000001000f001 CR4: 0000000000772ef0
[  117.529955][ T1029] PKRU: 55555554
[  117.530207][ T1029] Call Trace:
[  117.530479][ T1029]  <TASK>
[ 117.530654][ T1029] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.531021][ T1029] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.531404][ T1029] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.531823][ T1029] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.532161][ T1029] netif_set_mtu (net/core/dev.c:9652) 
[ 117.532506][ T1029] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.532858][ T1029] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.533328][ T1029] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.533587][ T1029] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.534047][ T1029] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.534434][ T1029] do_set_master (net/core/rtnetlink.c:2948) 
[ 117.534769][ T1029] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.535187][ T1029] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.535648][ T1029] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.536036][ T1029] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.536455][ T1029] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.536845][ T1029] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.537198][ T1029] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.537551][ T1029] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.537903][ T1029] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.538273][ T1029] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.538631][ T1029] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.538982][ T1029] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.539337][ T1029] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.539680][ T1029] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.540016][ T1029] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.540378][ T1029] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.540734][ T1029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.541084][ T1029] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.541438][ T1029] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.541780][ T1029] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.542126][ T1029] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.542472][ T1029] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 117.542808][ T1029] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 117.543149][ T1029] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.543514][ T1029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.543855][ T1029] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.544199][ T1029] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.544541][ T1029] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.544885][ T1029] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.545229][ T1029] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.545593][ T1029] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.546067][ T1029] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.546507][ T1029] ___sys_sendmsg (net/socket.c:2670) 
[ 117.546845][ T1029] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.547171][ T1029] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.547541][ T1029] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.547876][ T1029] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.548220][ T1029] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.548668][ T1029] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.549046][ T1029] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.549413][ T1029] __sys_sendmsg (net/socket.c:2700) 
[ 117.549814][ T1029] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.550144][ T1029] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 117.550532][ T1029] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 117.550891][ T1029] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.551341][ T1029] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.551689][ T1029] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.552346][ T1029] RIP: 0033:0x7f355a5e81e7
[ 117.552701][ T1029] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  117.554154][ T1029] RSP: 002b:00007ffcdffb28c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.554694][ T1029] RAX: ffffffffffffffda RBX: 00007ffcdffb2ff0 RCX: 00007f355a5e81e7
[  117.555481][ T1029] RDX: 0000000000000000 RSI: 00007ffcdffb2930 RDI: 0000000000000005
[  117.556267][ T1029] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.557039][ T1029] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcdffb3028
[  117.557796][ T1029] R13: 00000000686e345c R14: 0000000000499600 R15: 0000000000000000
| [  117.741343][ T1032] ------------[ cut here ]------------
| [ 117.741745][ T1032] WARNING: CPU: 2 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) 
| [  117.742403][ T1032] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.743612][ T1032] Tainted: [W]=WARN
[  117.743880][ T1032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.744299][ 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) 
[ 117.744654][ 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
[  117.745832][ T1032] RSP: 0018:ffffc90000697080 EFLAGS: 00010246
[  117.746256][ T1032] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  117.746770][ T1032] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  117.747269][ T1032] RBP: ffffc90000697168 R08: 0000000000000000 R09: 0000000000000000
[  117.747776][ T1032] R10: ffffc90000697198 R11: ffffffff992a8918 R12: 1ffff920000d2e14
[  117.748279][ T1032] R13: 00000000000005dc R14: ffffc90000697198 R15: ffff88800c042f08
[  117.748784][ T1032] FS:  00007f1590719800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  117.749373][ T1032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.749799][ T1032] CR2: 00007fa523704a00 CR3: 000000000ab66005 CR4: 0000000000772ef0
[  117.750295][ T1032] PKRU: 55555554
[  117.750560][ T1032] Call Trace:
[  117.750819][ T1032]  <TASK>
[ 117.751026][ T1032] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.751370][ T1032] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.751723][ T1032] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.752145][ T1032] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.752490][ T1032] netif_set_mtu (net/core/dev.c:9652) 
[ 117.752832][ T1032] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.753177][ T1032] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.753658][ T1032] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.753916][ T1032] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.754375][ T1032] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.754766][ T1032] do_set_master (net/core/rtnetlink.c:2948) 
[ 117.755109][ T1032] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.755456][ T1032] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.755798][ T1032] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.756126][ T1032] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.756480][ T1032] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.756814][ T1032] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.757170][ T1032] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.757511][ T1032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.757851][ T1032] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.758209][ T1032] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.758563][ T1032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.758907][ T1032] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.759248][ T1032] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.759599][ T1032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.759938][ T1032] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.760281][ T1032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.760636][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.761015][ T1032] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.761356][ T1032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.761715][ T1032] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.762068][ T1032] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.762431][ 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) 
[ 117.762779][ T1032] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 117.763129][ T1032] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.763480][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.763828][ T1032] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.764179][ T1032] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.764519][ T1032] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.764859][ T1032] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.765207][ T1032] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.765553][ T1032] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.765971][ T1032] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.766312][ T1032] ___sys_sendmsg (net/socket.c:2670) 
[ 117.766658][ T1032] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.766994][ T1032] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.767348][ T1032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.767690][ T1032] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.768025][ T1032] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.768363][ T1032] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.768699][ T1032] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.769048][ T1032] __sys_sendmsg (net/socket.c:2700) 
[ 117.769399][ T1032] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.769732][ 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) 
[ 117.770066][ 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) 
[ 117.770427][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.770770][ T1032] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.771142][ T1032] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.771588][ T1032] RIP: 0033:0x7f15908e61e7
[ 117.771942][ 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)
[  117.773116][ T1032] RSP: 002b:00007ffe43198ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.773638][ T1032] RAX: ffffffffffffffda RBX: 00007ffe431995f0 RCX: 00007f15908e61e7
[  117.774137][ T1032] RDX: 0000000000000000 RSI: 00007ffe43198f30 RDI: 0000000000000005
[  117.774645][ T1032] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.775147][ T1032] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe43199628
[  117.775670][ T1032] R13: 00000000686e345c R14: 0000000000499600 R15: 0000000000000000
| [  117.960168][ T1033] ------------[ cut here ]------------
| [ 117.960867][ T1033] WARNING: CPU: 3 PID: 1033 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  117.962037][ T1033] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.964105][ T1033] Tainted: [W]=WARN
[  117.964558][ T1033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.965287][ T1033] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 117.965902][ T1033] 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
[  117.967785][ T1033] RSP: 0018:ffffc900005d7080 EFLAGS: 00010246
[  117.968204][ T1033] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  117.969077][ T1033] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  117.969943][ T1033] RBP: ffffc900005d7168 R08: 0000000000000000 R09: 0000000000000000
[  117.970802][ T1033] R10: ffffc900005d7198 R11: ffffffff992a8918 R12: 1ffff920000bae14
[  117.971744][ T1033] R13: 00000000000005dc R14: ffffc900005d7198 R15: ffff88800c042f08
[  117.972583][ T1033] FS:  00007f318dd20800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  117.973564][ T1033] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.974288][ T1033] CR2: 00000000004a1738 CR3: 0000000009399001 CR4: 0000000000772ef0
[  117.975168][ T1033] PKRU: 55555554
[  117.975616][ T1033] Call Trace:
[  117.976051][ T1033]  <TASK>
[ 117.976350][ T1033] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.976955][ T1033] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.977525][ T1033] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.978238][ T1033] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.978853][ T1033] netif_set_mtu (net/core/dev.c:9652) 
[ 117.979448][ T1033] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.980052][ T1033] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.980852][ T1033] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.981199][ T1033] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.981751][ T1033] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.982127][ T1033] do_set_master (net/core/rtnetlink.c:2948) 
[ 117.982621][ T1033] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.982947][ T1033] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.983281][ T1033] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.983607][ T1033] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.983926][ T1033] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.984252][ T1033] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.984587][ T1033] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.984906][ T1033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.985250][ T1033] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.985590][ T1033] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.985915][ T1033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.986257][ T1033] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.986583][ T1033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.986903][ T1033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.987227][ T1033] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.987568][ T1033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.987890][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.988221][ T1033] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.988809][ T1033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.989386][ T1033] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.990000][ T1033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.990596][ T1033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 117.991185][ T1033] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 117.991783][ T1033] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.992359][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.992748][ T1033] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.993076][ T1033] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.993426][ T1033] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.993755][ T1033] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.994082][ T1033] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.994444][ T1033] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.994842][ T1033] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.995164][ T1033] ___sys_sendmsg (net/socket.c:2670) 
[ 117.995726][ T1033] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.996046][ T1033] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.996375][ T1033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.996712][ T1033] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.997035][ T1033] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.997371][ T1033] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.997724][ T1033] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.998064][ T1033] __sys_sendmsg (net/socket.c:2700) 
[ 117.998409][ T1033] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.998728][ T1033] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 117.999059][ T1033] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 117.999531][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.000118][ T1033] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.000493][ T1033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.000904][ T1033] RIP: 0033:0x7f318deed1e7
[ 118.001247][ T1033] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  118.002413][ T1033] RSP: 002b:00007ffe5d29d858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.002901][ T1033] RAX: ffffffffffffffda RBX: 00007ffe5d29df80 RCX: 00007f318deed1e7
[  118.003408][ T1033] RDX: 0000000000000000 RSI: 00007ffe5d29d8c0 RDI: 0000000000000005
[  118.003887][ T1033] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.004376][ T1033] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe5d29dfb8
[  118.004875][ T1033] R13: 00000000686e345c R14: 0000000000499600 R15: 0000000000000000
| [  118.148329][ T1035] ------------[ cut here ]------------
| [ 118.148730][ 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) 
| [  118.149398][ T1035] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.150838][ T1035] Tainted: [W]=WARN
[  118.151155][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.151691][ 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) 
[ 118.152125][ 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
[  118.153720][ T1035] RSP: 0018:ffffc90000677080 EFLAGS: 00010246
[  118.154152][ T1035] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  118.154691][ T1035] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  118.155192][ T1035] RBP: ffffc90000677168 R08: 0000000000000000 R09: 0000000000000000
[  118.155696][ T1035] R10: ffffc90000677198 R11: ffffffff992a8918 R12: 1ffff920000cee14
[  118.156191][ T1035] R13: 00000000000005dc R14: ffffc90000677198 R15: ffff88800c042f08
[  118.156695][ T1035] FS:  00007f638bac9800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  118.157337][ T1035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.157834][ T1035] CR2: 00000000004a1738 CR3: 000000000c9e5006 CR4: 0000000000772ef0
[  118.158425][ T1035] PKRU: 55555554
[  118.158779][ T1035] Call Trace:
[  118.159170][ T1035]  <TASK>
[ 118.159346][ T1035] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.159708][ T1035] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.160032][ T1035] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.160447][ T1035] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.160793][ T1035] netif_set_mtu (net/core/dev.c:9652) 
[ 118.161231][ T1035] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.161599][ T1035] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.162061][ T1035] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.162308][ T1035] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.162770][ T1035] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.163150][ T1035] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.163491][ T1035] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.163830][ T1035] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.164169][ T1035] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.164523][ T1035] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.164898][ T1035] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.165224][ T1035] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.165618][ T1035] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.166053][ T1035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.166404][ T1035] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.166761][ T1035] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.167082][ T1035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.167435][ T1035] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.167784][ T1035] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.168108][ T1035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.168432][ T1035] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.168775][ T1035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.169102][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.169441][ T1035] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.169830][ T1035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.170165][ T1035] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.170518][ T1035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.170853][ 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) 
[ 118.171209][ T1035] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 118.171542][ T1035] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.171883][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.172220][ T1035] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.172570][ T1035] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.172902][ T1035] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.173239][ T1035] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.173598][ T1035] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.173921][ T1035] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.174339][ T1035] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.174701][ T1035] ___sys_sendmsg (net/socket.c:2670) 
[ 118.175056][ T1035] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.175402][ T1035] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.175798][ T1035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.176143][ T1035] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.176490][ T1035] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.176826][ T1035] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.177150][ T1035] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.177513][ T1035] __sys_sendmsg (net/socket.c:2700) 
[ 118.177846][ T1035] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.178183][ 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) 
[ 118.178532][ 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) 
[ 118.178857][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.179182][ T1035] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.179511][ T1035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.179919][ T1035] RIP: 0033:0x7f638bc961e7
[ 118.180286][ 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)
[  118.181502][ T1035] RSP: 002b:00007fff149f6c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.182024][ T1035] RAX: ffffffffffffffda RBX: 00007fff149f7350 RCX: 00007f638bc961e7
[  118.182605][ T1035] RDX: 0000000000000000 RSI: 00007fff149f6c90 RDI: 0000000000000005
[  118.183141][ T1035] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.183671][ T1035] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff149f7388
[  118.184173][ T1035] R13: 00000000686e345c R14: 0000000000499600 R15: 0000000000000000
| [  118.401088][ T1037] ------------[ cut here ]------------
| [ 118.401540][ T1037] WARNING: CPU: 0 PID: 1037 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  118.402221][ T1037] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.403491][ T1037] Tainted: [W]=WARN
[  118.403749][ T1037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.404167][ T1037] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 118.404525][ T1037] 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
[  118.405729][ T1037] RSP: 0018:ffffc900006c7080 EFLAGS: 00010246
[  118.406157][ T1037] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  118.406653][ T1037] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  118.407137][ T1037] RBP: ffffc900006c7168 R08: 0000000000000000 R09: 0000000000000000
[  118.407644][ T1037] R10: ffffc900006c7198 R11: ffffffff992a8918 R12: 1ffff920000d8e14
[  118.408124][ T1037] R13: 00000000000005dc R14: ffffc900006c7198 R15: ffff88800c042f08
[  118.408638][ T1037] FS:  00007f709451e800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  118.409248][ T1037] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.409712][ T1037] CR2: 00000000004a1738 CR3: 000000000fe56004 CR4: 0000000000772ef0
[  118.410229][ T1037] PKRU: 55555554
[  118.410503][ T1037] Call Trace:
[  118.410757][ T1037]  <TASK>
[ 118.410957][ T1037] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.411308][ T1037] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.411664][ T1037] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.412085][ T1037] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.412451][ T1037] netif_set_mtu (net/core/dev.c:9652) 
[ 118.412795][ T1037] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.413144][ T1037] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.413630][ T1037] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.413908][ T1037] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.414405][ T1037] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.414806][ T1037] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.415144][ T1037] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.415505][ T1037] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.415845][ T1037] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.416196][ T1037] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.416542][ T1037] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.416879][ T1037] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.417233][ T1037] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.417587][ T1037] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.417928][ T1037] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.418281][ T1037] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.418632][ T1037] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.418979][ T1037] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.419326][ T1037] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.419670][ T1037] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.420035][ T1037] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.420370][ T1037] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.420717][ T1037] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.421071][ T1037] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.421415][ T1037] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.421753][ T1037] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.422097][ T1037] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.422445][ T1037] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 118.422781][ T1037] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 118.423117][ T1037] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.423453][ T1037] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.423788][ T1037] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.424124][ T1037] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.424466][ T1037] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.424817][ T1037] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.425168][ T1037] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.425505][ T1037] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.425927][ T1037] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.426263][ T1037] ___sys_sendmsg (net/socket.c:2670) 
[ 118.426602][ T1037] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.426937][ T1037] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.427270][ T1037] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.427610][ T1037] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.427950][ T1037] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.428297][ T1037] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.428638][ T1037] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.428991][ T1037] __sys_sendmsg (net/socket.c:2700) 
[ 118.429324][ T1037] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.429662][ T1037] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 118.430005][ T1037] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 118.430338][ T1037] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.430719][ T1037] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.431114][ T1037] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.431568][ T1037] RIP: 0033:0x7f70946eb1e7
[ 118.431915][ T1037] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  118.433172][ T1037] RSP: 002b:00007ffd1c861378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.433727][ T1037] RAX: ffffffffffffffda RBX: 00007ffd1c861aa0 RCX: 00007f70946eb1e7
[  118.434255][ T1037] RDX: 0000000000000000 RSI: 00007ffd1c8613e0 RDI: 0000000000000005
[  118.434787][ T1037] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.435290][ T1037] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1c861ad8
[  118.435835][ T1037] R13: 00000000686e345d R14: 0000000000499600 R15: 0000000000000000
| [  118.640079][ T1039] ------------[ cut here ]------------
| [ 118.640512][ T1039] WARNING: CPU: 2 PID: 1039 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  118.641216][ T1039] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.642487][ T1039] Tainted: [W]=WARN
[  118.642756][ T1039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.643184][ T1039] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 118.643646][ T1039] 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
[  118.645431][ T1039] RSP: 0018:ffffc900006f7080 EFLAGS: 00010246
[  118.646167][ T1039] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  118.647029][ T1039] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  118.647883][ T1039] RBP: ffffc900006f7168 R08: 0000000000000000 R09: 0000000000000000
[  118.648744][ T1039] R10: ffffc900006f7198 R11: ffffffff992a8918 R12: 1ffff920000dee14
[  118.649596][ T1039] R13: 00000000000005dc R14: ffffc900006f7198 R15: ffff88800c042f08
[  118.650458][ T1039] FS:  00007f1dc24f3800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  118.651468][ T1039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.652180][ T1039] CR2: 00007fa523704a00 CR3: 000000000a0ad003 CR4: 0000000000772ef0
[  118.653103][ T1039] PKRU: 55555554
[  118.653604][ T1039] Call Trace:
[  118.654041][ T1039]  <TASK>
[ 118.654270][ T1039] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.654680][ T1039] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.655037][ T1039] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.655685][ T1039] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.656028][ T1039] netif_set_mtu (net/core/dev.c:9652) 
[ 118.656402][ T1039] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.656886][ T1039] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.657453][ T1039] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.657718][ T1039] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.658178][ T1039] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.658619][ T1039] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.659111][ T1039] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.659724][ T1039] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.660304][ T1039] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.660907][ T1039] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.661498][ T1039] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.662074][ T1039] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.662686][ T1039] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.663253][ T1039] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.663850][ T1039] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.664484][ T1039] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.665090][ T1039] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.665706][ T1039] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.666272][ T1039] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.666873][ T1039] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.667465][ T1039] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.668044][ T1039] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.668633][ T1039] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.669225][ T1039] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.669816][ T1039] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.670410][ T1039] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.671007][ T1039] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.671537][ T1039] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 118.672091][ T1039] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 118.672678][ T1039] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.673250][ T1039] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.673728][ T1039] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.674072][ T1039] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.674436][ T1039] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.674817][ T1039] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.675287][ T1039] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.675736][ T1039] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.676320][ T1039] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.676915][ T1039] ___sys_sendmsg (net/socket.c:2670) 
[ 118.677508][ T1039] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.678080][ T1039] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.678674][ T1039] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.679257][ T1039] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.679856][ T1039] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.680455][ T1039] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.681031][ T1039] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.681652][ T1039] __sys_sendmsg (net/socket.c:2700) 
[ 118.682231][ T1039] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.682817][ T1039] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 118.683436][ T1039] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 118.684022][ T1039] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.684596][ T1039] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.685132][ T1039] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.685885][ T1039] RIP: 0033:0x7f1dc26c01e7
[ 118.686492][ T1039] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  118.688524][ T1039] RSP: 002b:00007fff6a984258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.689410][ T1039] RAX: ffffffffffffffda RBX: 00007fff6a984980 RCX: 00007f1dc26c01e7
[  118.690264][ T1039] RDX: 0000000000000000 RSI: 00007fff6a9842c0 RDI: 0000000000000005
[  118.691159][ T1039] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.692027][ T1039] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff6a9849b8
[  118.692918][ T1039] R13: 00000000686e345d R14: 0000000000499600 R15: 0000000000000000
| [  118.894337][ T1041] ------------[ cut here ]------------
| [ 118.894781][ T1041] WARNING: CPU: 3 PID: 1041 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  118.895438][ T1041] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  118.896831][ T1041] Tainted: [W]=WARN
[  118.897127][ T1041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.897761][ T1041] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 118.898323][ T1041] 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
[  118.900318][ T1041] RSP: 0018:ffffc900006c7080 EFLAGS: 00010246
[  118.901041][ T1041] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  118.901875][ T1041] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  118.902692][ T1041] RBP: ffffc900006c7168 R08: 0000000000000000 R09: 0000000000000000
[  118.903516][ T1041] R10: ffffc900006c7198 R11: ffffffff992a8918 R12: 1ffff920000d8e14
[  118.904337][ T1041] R13: 00000000000005dc R14: ffffc900006c7198 R15: ffff88800c042f08
[  118.905177][ T1041] FS:  00007fcbe07ca800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  118.906125][ T1041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.906796][ T1041] CR2: 00007fa5238da1e4 CR3: 000000000ab1f004 CR4: 0000000000772ef0
[  118.907620][ T1041] PKRU: 55555554
[  118.908035][ T1041] Call Trace:
[  118.908448][ T1041]  <TASK>
[ 118.908735][ T1041] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.909309][ T1041] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.909875][ T1041] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.910578][ T1041] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.911146][ T1041] netif_set_mtu (net/core/dev.c:9652) 
[ 118.911711][ T1041] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.912276][ T1041] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 118.913035][ T1041] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.913464][ T1041] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.914217][ T1041] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.914854][ T1041] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.915409][ T1041] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 118.915962][ T1041] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 118.916511][ T1041] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 118.917062][ T1041] ? __dev_get_by_name (net/core/dev.c:865) 
[ 118.917580][ T1041] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.917912][ T1041] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 118.918243][ T1041] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.918581][ T1041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.918910][ T1041] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 118.919247][ T1041] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.919594][ T1041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.919942][ T1041] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.920267][ T1041] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.920605][ T1041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.920937][ T1041] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.921261][ T1041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.921603][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.921927][ T1041] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.922252][ T1041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.922597][ T1041] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.922931][ T1041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.923250][ T1041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 118.923594][ T1041] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 118.923920][ T1041] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.924238][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.924585][ T1041] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.924913][ T1041] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.925233][ T1041] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.925573][ T1041] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.925896][ T1041] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.926212][ T1041] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.926635][ T1041] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 118.926964][ T1041] ___sys_sendmsg (net/socket.c:2670) 
[ 118.927279][ T1041] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.927615][ T1041] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 118.927939][ T1041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 118.928263][ T1041] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 118.928649][ T1041] ? __handle_mm_fault (mm/memory.c:6212) 
[ 118.929047][ T1041] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 118.929522][ T1041] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 118.929866][ T1041] __sys_sendmsg (net/socket.c:2700) 
[ 118.930190][ T1041] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.930533][ T1041] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 118.930884][ T1041] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 118.931214][ T1041] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.931564][ T1041] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.931890][ T1041] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.932292][ T1041] RIP: 0033:0x7fcbe09971e7
[ 118.932644][ T1041] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  118.933830][ T1041] RSP: 002b:00007ffe2ed019b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.934316][ T1041] RAX: ffffffffffffffda RBX: 00007ffe2ed020e0 RCX: 00007fcbe09971e7
[  118.934825][ T1041] RDX: 0000000000000000 RSI: 00007ffe2ed01a20 RDI: 0000000000000005
[  118.935310][ T1041] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  118.935812][ T1041] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe2ed02118
[  118.936288][ T1041] R13: 00000000686e345d R14: 0000000000499600 R15: 0000000000000000
| [  119.102744][ T1043] ------------[ cut here ]------------
| [ 119.103085][ T1043] WARNING: CPU: 3 PID: 1043 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  119.103841][ T1043] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.105075][ T1043] Tainted: [W]=WARN
[  119.105333][ T1043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.105767][ T1043] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 119.106117][ T1043] 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
[  119.107334][ T1043] RSP: 0018:ffffc900006f7080 EFLAGS: 00010246
[  119.107775][ T1043] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  119.108287][ T1043] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  119.108819][ T1043] RBP: ffffc900006f7168 R08: 0000000000000000 R09: 0000000000000000
[  119.109328][ T1043] R10: ffffc900006f7198 R11: ffffffff992a8918 R12: 1ffff920000dee14
[  119.109893][ T1043] R13: 00000000000005dc R14: ffffc900006f7198 R15: ffff88800c042f08
[  119.110401][ T1043] FS:  00007fac648c0800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  119.110993][ T1043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.111435][ T1043] CR2: 00000000004a1738 CR3: 000000000aac1006 CR4: 0000000000772ef0
[  119.112122][ T1043] PKRU: 55555554
[  119.112515][ T1043] Call Trace:
[  119.112917][ T1043]  <TASK>
[ 119.113206][ T1043] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.113811][ T1043] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.114383][ T1043] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.115123][ T1043] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.115709][ T1043] netif_set_mtu (net/core/dev.c:9652) 
[ 119.116292][ T1043] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.116899][ T1043] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.117710][ T1043] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.118146][ T1043] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.118945][ T1043] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.119622][ T1043] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.120166][ T1043] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.120726][ T1043] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.121313][ T1043] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.121819][ T1043] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.122230][ T1043] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.122617][ T1043] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.122966][ T1043] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.123299][ T1043] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.123662][ T1043] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.124006][ T1043] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.124357][ T1043] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.124811][ T1043] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.125282][ T1043] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.125660][ T1043] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.125978][ T1043] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.126301][ T1043] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.126643][ T1043] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.126976][ T1043] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.127293][ T1043] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.127679][ T1043] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.128033][ T1043] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.128376][ T1043] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 119.128725][ T1043] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 119.129065][ T1043] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.129417][ T1043] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.129758][ T1043] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.130099][ T1043] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.130467][ T1043] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.130812][ T1043] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.131165][ T1043] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.131514][ T1043] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.131940][ T1043] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.132286][ T1043] ___sys_sendmsg (net/socket.c:2670) 
[ 119.132636][ T1043] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.132987][ T1043] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.133331][ T1043] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.133678][ T1043] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.134019][ T1043] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.134348][ T1043] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.134675][ T1043] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.135018][ T1043] __sys_sendmsg (net/socket.c:2700) 
[ 119.135344][ T1043] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.135672][ T1043] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 119.136003][ T1043] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 119.136326][ T1043] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.136661][ T1043] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.136979][ T1043] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.137386][ T1043] RIP: 0033:0x7fac64a8d1e7
[ 119.137739][ T1043] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  119.138874][ T1043] RSP: 002b:00007fffa24fd658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.139358][ T1043] RAX: ffffffffffffffda RBX: 00007fffa24fdd80 RCX: 00007fac64a8d1e7
[  119.139886][ T1043] RDX: 0000000000000000 RSI: 00007fffa24fd6c0 RDI: 0000000000000005
[  119.140379][ T1043] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.140856][ T1043] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffa24fddb8
[  119.141357][ T1043] R13: 00000000686e345d R14: 0000000000499600 R15: 0000000000000000
| [  119.369906][ T1046] ------------[ cut here ]------------
| [ 119.370487][ T1046] WARNING: CPU: 3 PID: 1046 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  119.371610][ T1046] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.373652][ T1046] Tainted: [W]=WARN
[  119.374078][ T1046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.374726][ T1046] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 119.375295][ T1046] 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
[  119.376736][ T1046] RSP: 0018:ffffc900006c7080 EFLAGS: 00010246
[  119.377150][ T1046] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  119.377690][ T1046] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  119.378227][ T1046] RBP: ffffc900006c7168 R08: 0000000000000000 R09: 0000000000000000
[  119.378744][ T1046] R10: ffffc900006c7198 R11: ffffffff992a8918 R12: 1ffff920000d8e14
[  119.379260][ T1046] R13: 00000000000005dc R14: ffffc900006c7198 R15: ffff88800c042f08
[  119.379795][ T1046] FS:  00007fd8634a8800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  119.380402][ T1046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.380811][ T1046] CR2: 00007fda64f3f730 CR3: 000000000a1be004 CR4: 0000000000772ef0
[  119.381306][ T1046] PKRU: 55555554
[  119.381567][ T1046] Call Trace:
[  119.381806][ T1046]  <TASK>
[ 119.381972][ T1046] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.382304][ T1046] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.382647][ T1046] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.383056][ T1046] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.383386][ T1046] netif_set_mtu (net/core/dev.c:9652) 
[ 119.383717][ T1046] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.384044][ T1046] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.384523][ T1046] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.384777][ T1046] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.385366][ T1046] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.385770][ T1046] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.386101][ T1046] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.386457][ T1046] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.386785][ T1046] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.387104][ T1046] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.387443][ T1046] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.387779][ T1046] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.388110][ T1046] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.388465][ T1046] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.388799][ T1046] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.389128][ T1046] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.389467][ T1046] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.389804][ T1046] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.390146][ T1046] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.390498][ T1046] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.390836][ T1046] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.391187][ T1046] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.391535][ T1046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.391874][ T1046] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.392212][ T1046] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.392548][ T1046] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.392887][ T1046] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.393209][ T1046] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 119.393546][ T1046] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 119.394003][ T1046] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.394494][ T1046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.395039][ T1046] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.395618][ T1046] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.396185][ T1046] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.396758][ T1046] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.397331][ T1046] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.397836][ T1046] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.398259][ T1046] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.398606][ T1046] ___sys_sendmsg (net/socket.c:2670) 
[ 119.398931][ T1046] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.399258][ T1046] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.399591][ T1046] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.399918][ T1046] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.400245][ T1046] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.400581][ T1046] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.400913][ T1046] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.401257][ T1046] __sys_sendmsg (net/socket.c:2700) 
[ 119.401590][ T1046] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.401912][ T1046] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 119.402243][ T1046] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 119.402577][ T1046] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.402906][ T1046] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.403238][ T1046] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.403647][ T1046] RIP: 0033:0x7fd8636751e7
[ 119.403991][ T1046] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  119.405161][ T1046] RSP: 002b:00007ffd60927468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.405666][ T1046] RAX: ffffffffffffffda RBX: 00007ffd60927b90 RCX: 00007fd8636751e7
[  119.406156][ T1046] RDX: 0000000000000000 RSI: 00007ffd609274d0 RDI: 0000000000000005
[  119.406677][ T1046] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.407168][ T1046] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd60927bc8
[  119.407680][ T1046] R13: 00000000686e345e R14: 0000000000499600 R15: 0000000000000000
| [  119.584375][ T1048] ------------[ cut here ]------------
| [ 119.584780][ 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) 
| [  119.585452][ T1048] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.586655][ T1048] Tainted: [W]=WARN
[  119.586896][ T1048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.587298][ 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) 
[ 119.587645][ 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
[  119.588853][ T1048] RSP: 0018:ffffc900006f7080 EFLAGS: 00010246
[  119.589279][ T1048] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  119.589777][ T1048] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  119.590273][ T1048] RBP: ffffc900006f7168 R08: 0000000000000000 R09: 0000000000000000
[  119.590776][ T1048] R10: ffffc900006f7198 R11: ffffffff992a8918 R12: 1ffff920000dee14
[  119.591289][ T1048] R13: 00000000000005dc R14: ffffc900006f7198 R15: ffff88800c042f08
[  119.591795][ T1048] FS:  00007fc3ae11e800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  119.592385][ T1048] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.592819][ T1048] CR2: 00000000004a1738 CR3: 000000000f5f8001 CR4: 0000000000772ef0
[  119.593326][ T1048] PKRU: 55555554
[  119.593589][ T1048] Call Trace:
[  119.593841][ T1048]  <TASK>
[ 119.594014][ T1048] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.594367][ T1048] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.594723][ T1048] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.595146][ T1048] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.595496][ T1048] netif_set_mtu (net/core/dev.c:9652) 
[ 119.595817][ T1048] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.596148][ T1048] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.596607][ T1048] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.596854][ T1048] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.597294][ T1048] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.597679][ T1048] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.598008][ T1048] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.598340][ T1048] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.598669][ T1048] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.598995][ T1048] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.599324][ T1048] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.599659][ T1048] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.599988][ T1048] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.600321][ T1048] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.600660][ T1048] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.601009][ T1048] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.601359][ T1048] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.601699][ T1048] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.602019][ T1048] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.602338][ T1048] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.602664][ T1048] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.602986][ T1048] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.603315][ T1048] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.603654][ T1048] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.604011][ T1048] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.604333][ T1048] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.604674][ T1048] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.604997][ 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) 
[ 119.605326][ T1048] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 119.605663][ T1048] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.605981][ T1048] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.606328][ T1048] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.606660][ T1048] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.607010][ T1048] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.607341][ T1048] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.607678][ T1048] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.607997][ T1048] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.608401][ T1048] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.608733][ T1048] ___sys_sendmsg (net/socket.c:2670) 
[ 119.609054][ T1048] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.609372][ T1048] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.609705][ T1048] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.610035][ T1048] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.610362][ T1048] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.610698][ T1048] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.611035][ T1048] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.611372][ T1048] __sys_sendmsg (net/socket.c:2700) 
[ 119.611698][ T1048] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.612014][ 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) 
[ 119.612350][ 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) 
[ 119.612680][ T1048] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.613006][ T1048] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.613326][ T1048] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.613728][ T1048] RIP: 0033:0x7fc3ae2eb1e7
[ 119.614064][ 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)
[  119.615240][ T1048] RSP: 002b:00007ffc389136b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.615735][ T1048] RAX: ffffffffffffffda RBX: 00007ffc38913de0 RCX: 00007fc3ae2eb1e7
[  119.616223][ T1048] RDX: 0000000000000000 RSI: 00007ffc38913720 RDI: 0000000000000005
[  119.616730][ T1048] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.617212][ T1048] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc38913e18
[  119.617707][ T1048] R13: 00000000686e345e R14: 0000000000499600 R15: 0000000000000000
| [  119.774731][ T1049] ------------[ cut here ]------------
| [ 119.775077][ T1049] WARNING: CPU: 3 PID: 1049 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  119.775761][ T1049] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.776975][ T1049] Tainted: [W]=WARN
[  119.777231][ T1049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.777657][ T1049] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 119.778014][ T1049] 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
[  119.779254][ T1049] RSP: 0018:ffffc90000717080 EFLAGS: 00010246
[  119.779695][ T1049] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  119.780199][ T1049] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  119.780712][ T1049] RBP: ffffc90000717168 R08: 0000000000000000 R09: 0000000000000000
[  119.781236][ T1049] R10: ffffc90000717198 R11: ffffffff992a8918 R12: 1ffff920000e2e14
[  119.781753][ T1049] R13: 00000000000005dc R14: ffffc90000717198 R15: ffff88800c042f08
[  119.782270][ T1049] FS:  00007f9d1fa2e800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  119.782882][ T1049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.783307][ T1049] CR2: 00000000004a1738 CR3: 000000000c816004 CR4: 0000000000772ef0
[  119.783818][ T1049] PKRU: 55555554
[  119.784075][ T1049] Call Trace:
[  119.784352][ T1049]  <TASK>
[ 119.784541][ T1049] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.784900][ T1049] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.785249][ T1049] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.785678][ T1049] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.786019][ T1049] netif_set_mtu (net/core/dev.c:9652) 
[ 119.786356][ T1049] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.786714][ T1049] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.787182][ T1049] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.787448][ T1049] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.787910][ T1049] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.788289][ T1049] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.788638][ T1049] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.788977][ T1049] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.789319][ T1049] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.789665][ T1049] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.790004][ T1049] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.790340][ T1049] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.790690][ T1049] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.791039][ T1049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.791384][ T1049] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.791743][ T1049] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.792085][ T1049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.792448][ T1049] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.792777][ T1049] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.793113][ T1049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.793457][ T1049] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.793792][ T1049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.794130][ T1049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.794479][ T1049] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.794824][ T1049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.795164][ T1049] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.795523][ T1049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.795859][ T1049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 119.796198][ T1049] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 119.796545][ T1049] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.796885][ T1049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.797224][ T1049] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.797570][ T1049] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.797905][ T1049] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.798249][ T1049] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.798605][ T1049] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.798940][ T1049] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.799360][ T1049] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 119.799715][ T1049] ___sys_sendmsg (net/socket.c:2670) 
[ 119.800051][ T1049] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.800398][ T1049] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 119.800745][ T1049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.801097][ T1049] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 119.801444][ T1049] ? __handle_mm_fault (mm/memory.c:6212) 
[ 119.801785][ T1049] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 119.802116][ T1049] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 119.802480][ T1049] __sys_sendmsg (net/socket.c:2700) 
[ 119.802806][ T1049] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.803132][ T1049] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 119.803469][ T1049] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 119.803798][ T1049] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.804122][ T1049] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.804457][ T1049] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.804861][ T1049] RIP: 0033:0x7f9d1fbfb1e7
[ 119.805196][ T1049] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  119.806353][ T1049] RSP: 002b:00007ffe07fce6f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.806854][ T1049] RAX: ffffffffffffffda RBX: 00007ffe07fcee20 RCX: 00007f9d1fbfb1e7
[  119.807331][ T1049] RDX: 0000000000000000 RSI: 00007ffe07fce760 RDI: 0000000000000005
[  119.807820][ T1049] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  119.808301][ T1049] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe07fcee58
[  119.808806][ T1049] R13: 00000000686e345e R14: 0000000000499600 R15: 0000000000000000
| [  119.976165][ T1052] ------------[ cut here ]------------
| [ 119.977262][ T1052] WARNING: CPU: 3 PID: 1052 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  119.977907][ T1052] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  119.979084][ T1052] Tainted: [W]=WARN
[  119.979334][ T1052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.979893][ T1052] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 119.980229][ T1052] 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
[  119.981549][ T1052] RSP: 0018:ffffc900007b7080 EFLAGS: 00010246
[  119.981977][ T1052] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  119.982626][ T1052] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  119.983133][ T1052] RBP: ffffc900007b7168 R08: 0000000000000000 R09: 0000000000000000
[  119.983634][ T1052] R10: ffffc900007b7198 R11: ffffffff992a8918 R12: 1ffff920000f6e14
[  119.984132][ T1052] R13: 00000000000005dc R14: ffffc900007b7198 R15: ffff88800c042f08
[  119.984652][ T1052] FS:  00007f828e3cf800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  119.985242][ T1052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.985669][ T1052] CR2: 00000000004a1738 CR3: 000000000b778001 CR4: 0000000000772ef0
[  119.986178][ T1052] PKRU: 55555554
[  119.986435][ T1052] Call Trace:
[  119.986693][ T1052]  <TASK>
[ 119.986886][ T1052] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.987240][ T1052] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.987587][ T1052] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.988021][ T1052] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.988357][ T1052] netif_set_mtu (net/core/dev.c:9652) 
[ 119.988695][ T1052] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.989040][ T1052] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 119.989522][ T1052] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.989779][ T1052] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.990231][ T1052] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.990619][ T1052] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.990982][ T1052] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 119.991325][ T1052] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 119.991676][ T1052] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 119.992015][ T1052] ? __dev_get_by_name (net/core/dev.c:865) 
[ 119.992352][ T1052] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.992713][ T1052] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 119.993035][ T1052] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.993351][ T1052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 119.993686][ T1052] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 119.994014][ T1052] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.994353][ T1052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.994690][ T1052] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.995006][ T1052] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.995324][ T1052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.995647][ T1052] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.995968][ T1052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.996285][ T1052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.996620][ T1052] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.996941][ T1052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.997257][ T1052] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.997591][ T1052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.997907][ T1052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 119.998227][ T1052] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 119.998556][ T1052] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.998875][ T1052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.999248][ T1052] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.999593][ T1052] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.999927][ T1052] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.000271][ T1052] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.000612][ T1052] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.000962][ T1052] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.001403][ T1052] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 120.001730][ T1052] ___sys_sendmsg (net/socket.c:2670) 
[ 120.002049][ T1052] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.002408][ T1052] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.002731][ T1052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.003047][ T1052] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.003376][ T1052] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.003735][ T1052] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.004090][ T1052] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.004447][ T1052] __sys_sendmsg (net/socket.c:2700) 
[ 120.004787][ T1052] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.005121][ T1052] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 120.005484][ T1052] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 120.005808][ T1052] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.006136][ T1052] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.006477][ T1052] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.006893][ T1052] RIP: 0033:0x7f828e59c1e7
[ 120.007223][ T1052] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  120.008367][ T1052] RSP: 002b:00007ffef2604f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.008858][ T1052] RAX: ffffffffffffffda RBX: 00007ffef2605670 RCX: 00007f828e59c1e7
[  120.009336][ T1052] RDX: 0000000000000000 RSI: 00007ffef2604fb0 RDI: 0000000000000005
[  120.009816][ T1052] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  120.010316][ T1052] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef26056a8
[  120.010820][ T1052] R13: 00000000686e345e R14: 0000000000499600 R15: 0000000000000000
| [  120.186630][ T1053] ------------[ cut here ]------------
| [ 120.186981][ T1053] WARNING: CPU: 2 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) 
| [  120.187890][ T1053] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  120.189350][ T1053] Tainted: [W]=WARN
[  120.189672][ T1053] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.190177][ 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) 
[ 120.190546][ 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
[  120.192064][ T1053] RSP: 0018:ffffc900007c7080 EFLAGS: 00010246
[  120.192565][ T1053] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  120.193086][ T1053] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  120.193696][ T1053] RBP: ffffc900007c7168 R08: 0000000000000000 R09: 0000000000000000
[  120.194188][ T1053] R10: ffffc900007c7198 R11: ffffffff992a8918 R12: 1ffff920000f8e14
[  120.194797][ T1053] R13: 00000000000005dc R14: ffffc900007c7198 R15: ffff88800c042f08
[  120.195349][ T1053] FS:  00007f3db72b3800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  120.196115][ T1053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.196624][ T1053] CR2: 00000000004a1738 CR3: 000000000c0dd001 CR4: 0000000000772ef0
[  120.197205][ T1053] PKRU: 55555554
[  120.197505][ T1053] Call Trace:
[  120.197758][ T1053]  <TASK>
[ 120.197938][ T1053] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.198370][ T1053] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.198812][ T1053] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.199358][ T1053] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.199768][ T1053] netif_set_mtu (net/core/dev.c:9652) 
[ 120.200116][ T1053] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.200506][ T1053] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.201002][ T1053] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.201272][ T1053] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.201792][ T1053] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.202193][ T1053] do_set_master (net/core/rtnetlink.c:2948) 
[ 120.202559][ T1053] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 120.202900][ T1053] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 120.203266][ T1053] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 120.203615][ T1053] ? __dev_get_by_name (net/core/dev.c:865) 
[ 120.203945][ T1053] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.204271][ T1053] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.204634][ T1053] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.204971][ T1053] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.205305][ T1053] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 120.205691][ T1053] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.206027][ T1053] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.206369][ T1053] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.206726][ T1053] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.207059][ T1053] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.207409][ T1053] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.207762][ T1053] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.208102][ T1053] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.208459][ T1053] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.208796][ T1053] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.209128][ T1053] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.209558][ T1053] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.209933][ 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) 
[ 120.210275][ T1053] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 120.210637][ T1053] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.211093][ T1053] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.211535][ T1053] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.211967][ T1053] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.212414][ T1053] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.212848][ T1053] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.213294][ T1053] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.213693][ T1053] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.214128][ T1053] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 120.214598][ T1053] ___sys_sendmsg (net/socket.c:2670) 
[ 120.215025][ T1053] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.215453][ T1053] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.215874][ T1053] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.216222][ T1053] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.216676][ T1053] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.217015][ T1053] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.217355][ T1053] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.217748][ T1053] __sys_sendmsg (net/socket.c:2700) 
[ 120.218236][ T1053] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.218607][ 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) 
[ 120.219077][ 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) 
[ 120.219529][ T1053] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.220002][ T1053] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.220427][ T1053] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.220949][ T1053] RIP: 0033:0x7f3db74801e7
[ 120.221298][ 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)
[  120.222620][ T1053] RSP: 002b:00007ffda5d10958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.223172][ T1053] RAX: ffffffffffffffda RBX: 00007ffda5d11080 RCX: 00007f3db74801e7
[  120.223694][ T1053] RDX: 0000000000000000 RSI: 00007ffda5d109c0 RDI: 0000000000000005
[  120.224315][ T1053] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  120.224993][ T1053] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda5d110b8
[  120.225622][ T1053] R13: 00000000686e345e R14: 0000000000499600 R15: 0000000000000000
| [  120.473010][ T1056] ------------[ cut here ]------------
| [ 120.473667][ T1056] WARNING: CPU: 2 PID: 1056 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  120.474846][ T1056] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  120.476810][ T1056] Tainted: [W]=WARN
[  120.477204][ T1056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.477950][ T1056] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 120.478589][ T1056] 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
[  120.480699][ T1056] RSP: 0018:ffffc90000897080 EFLAGS: 00010246
[  120.481471][ T1056] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  120.482345][ T1056] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  120.483199][ T1056] RBP: ffffc90000897168 R08: 0000000000000000 R09: 0000000000000000
[  120.484053][ T1056] R10: ffffc90000897198 R11: ffffffff992a8918 R12: 1ffff92000112e14
[  120.484957][ T1056] R13: 00000000000005dc R14: ffffc90000897198 R15: ffff88800c042f08
[  120.485824][ T1056] FS:  00007fc11f3a0800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  120.486805][ T1056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.487516][ T1056] CR2: 00007fa523704a00 CR3: 000000000bfae004 CR4: 0000000000772ef0
[  120.488379][ T1056] PKRU: 55555554
[  120.488865][ T1056] Call Trace:
[  120.489325][ T1056]  <TASK>
[ 120.489652][ T1056] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.490273][ T1056] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.490922][ T1056] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.491649][ T1056] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.492245][ T1056] netif_set_mtu (net/core/dev.c:9652) 
[ 120.492847][ T1056] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.493477][ T1056] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.494284][ T1056] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.494769][ T1056] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.495592][ T1056] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.496198][ T1056] do_set_master (net/core/rtnetlink.c:2948) 
[ 120.496791][ T1056] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 120.497437][ T1056] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 120.498052][ T1056] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 120.498671][ T1056] ? __dev_get_by_name (net/core/dev.c:865) 
[ 120.499269][ T1056] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.499872][ T1056] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.500497][ T1056] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.501100][ T1056] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.501657][ T1056] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 120.502274][ T1056] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.502925][ T1056] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.503564][ T1056] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.504179][ T1056] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.504783][ T1056] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.505374][ T1056] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.505986][ T1056] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.506614][ T1056] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.507248][ T1056] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.507864][ T1056] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.508482][ T1056] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.509111][ T1056] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.509723][ T1056] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 120.510329][ T1056] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 120.510948][ T1056] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.511554][ T1056] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.512166][ T1056] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.512788][ T1056] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.513382][ T1056] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.513998][ T1056] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.514632][ T1056] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.515180][ T1056] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.515907][ T1056] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 120.516511][ T1056] ___sys_sendmsg (net/socket.c:2670) 
[ 120.517114][ T1056] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.517712][ T1056] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.518308][ T1056] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.518927][ T1056] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.519549][ T1056] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.520137][ T1056] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.520739][ T1056] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.521216][ T1056] __sys_sendmsg (net/socket.c:2700) 
[ 120.521605][ T1056] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.521943][ T1056] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 120.522291][ T1056] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 120.522660][ T1056] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.523001][ T1056] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.523342][ T1056] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.523896][ T1056] RIP: 0033:0x7fc11f56d1e7
[ 120.524258][ T1056] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  120.525471][ T1056] RSP: 002b:00007fff74936f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.525971][ T1056] RAX: ffffffffffffffda RBX: 00007fff74937670 RCX: 00007fc11f56d1e7
[  120.526499][ T1056] RDX: 0000000000000000 RSI: 00007fff74936fb0 RDI: 0000000000000005
[  120.526992][ T1056] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  120.527513][ T1056] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff749376a8
[  120.528056][ T1056] R13: 00000000686e345f R14: 0000000000499600 R15: 0000000000000000
| [  120.743100][ T1058] ------------[ cut here ]------------
| [ 120.743557][ 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) 
| [  120.744281][ T1058] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  120.745481][ T1058] Tainted: [W]=WARN
[  120.745729][ T1058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.746143][ 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) 
[ 120.746520][ 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
[  120.747766][ T1058] RSP: 0018:ffffc900008b7080 EFLAGS: 00010246
[  120.748202][ T1058] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  120.748715][ T1058] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  120.749232][ T1058] RBP: ffffc900008b7168 R08: 0000000000000000 R09: 0000000000000000
[  120.749778][ T1058] R10: ffffc900008b7198 R11: ffffffff992a8918 R12: 1ffff92000116e14
[  120.750295][ T1058] R13: 00000000000005dc R14: ffffc900008b7198 R15: ffff88800c042f08
[  120.750819][ T1058] FS:  00007f4f1b2a8800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  120.751493][ T1058] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.751935][ T1058] CR2: 00007fa523a03d90 CR3: 000000000bc50005 CR4: 0000000000772ef0
[  120.752461][ T1058] PKRU: 55555554
[  120.752716][ T1058] Call Trace:
[  120.752968][ T1058]  <TASK>
[ 120.753145][ T1058] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.753505][ T1058] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.753847][ T1058] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.754299][ T1058] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.754652][ T1058] netif_set_mtu (net/core/dev.c:9652) 
[ 120.754994][ T1058] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.755345][ T1058] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.755830][ T1058] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.756086][ T1058] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.756549][ T1058] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.756978][ T1058] do_set_master (net/core/rtnetlink.c:2948) 
[ 120.757328][ T1058] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 120.757682][ T1058] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 120.758025][ T1058] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 120.758367][ T1058] ? __dev_get_by_name (net/core/dev.c:865) 
[ 120.758712][ T1058] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.759051][ T1058] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.759404][ T1058] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.759739][ T1058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.760083][ T1058] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 120.760439][ T1058] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.760782][ T1058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.761160][ T1058] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.761511][ T1058] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.761938][ T1058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.762559][ T1058] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.763157][ T1058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.763739][ T1058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.764089][ T1058] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.764450][ T1058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.764848][ T1058] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.765265][ T1058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.765635][ 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) 
[ 120.766001][ T1058] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 120.766411][ T1058] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.766749][ T1058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.767138][ T1058] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.767489][ T1058] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.767832][ T1058] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.768176][ T1058] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.768557][ T1058] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.768906][ T1058] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.769337][ T1058] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 120.769698][ T1058] ___sys_sendmsg (net/socket.c:2670) 
[ 120.770043][ T1058] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.770383][ T1058] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.770735][ T1058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.771085][ T1058] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.771453][ T1058] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.771791][ T1058] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.772173][ T1058] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.772540][ T1058] __sys_sendmsg (net/socket.c:2700) 
[ 120.772886][ T1058] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.773225][ 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) 
[ 120.773612][ 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) 
[ 120.773955][ T1058] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.774308][ T1058] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.774654][ T1058] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.775085][ T1058] RIP: 0033:0x7f4f1b4751e7
[ 120.775444][ 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)
[  120.776663][ T1058] RSP: 002b:00007ffdb147e748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.777181][ T1058] RAX: ffffffffffffffda RBX: 00007ffdb147ee70 RCX: 00007f4f1b4751e7
[  120.777738][ T1058] RDX: 0000000000000000 RSI: 00007ffdb147e7b0 RDI: 0000000000000005
[  120.778252][ T1058] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  120.778765][ T1058] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdb147eea8
[  120.779279][ T1058] R13: 00000000686e345f R14: 0000000000499600 R15: 0000000000000000
| [  120.992938][ T1060] ------------[ cut here ]------------
| [ 120.993356][ T1060] WARNING: CPU: 1 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) 
| [  120.994270][ T1060] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  120.995780][ T1060] Tainted: [W]=WARN
[  120.996028][ T1060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.996460][ 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) 
[ 120.996849][ 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
[  120.998047][ T1060] RSP: 0018:ffffc90000677080 EFLAGS: 00010246
[  120.998551][ T1060] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  120.999161][ T1060] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  120.999784][ T1060] RBP: ffffc90000677168 R08: 0000000000000000 R09: 0000000000000000
[  121.000378][ T1060] R10: ffffc90000677198 R11: ffffffff992a8918 R12: 1ffff920000cee14
[  121.001005][ T1060] R13: 00000000000005dc R14: ffffc90000677198 R15: ffff88800c042f08
[  121.001585][ T1060] FS:  00007fcd0f268800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  121.002270][ T1060] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.002763][ T1060] CR2: 00000000004a1738 CR3: 000000000caac006 CR4: 0000000000772ef0
[  121.003328][ T1060] PKRU: 55555554
[  121.003632][ T1060] Call Trace:
[  121.003894][ T1060]  <TASK>
[ 121.004068][ T1060] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.004448][ T1060] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 121.004801][ T1060] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 121.005255][ T1060] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 121.005672][ T1060] netif_set_mtu (net/core/dev.c:9652) 
[ 121.006039][ T1060] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 121.006406][ T1060] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 121.006910][ T1060] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 121.007239][ T1060] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 121.007784][ T1060] br_add_if (net/bridge/br_if.c:697) bridge 
[ 121.008187][ T1060] do_set_master (net/core/rtnetlink.c:2948) 
[ 121.008557][ T1060] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 121.008927][ T1060] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 121.009256][ T1060] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 121.009629][ T1060] ? __dev_get_by_name (net/core/dev.c:865) 
[ 121.009958][ T1060] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.010304][ T1060] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.010636][ T1060] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.010970][ T1060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.011294][ T1060] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 121.011630][ T1060] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.011951][ T1060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.012278][ T1060] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.012611][ T1060] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.012931][ T1060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.013245][ T1060] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.013572][ T1060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.013907][ T1060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.014232][ T1060] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.014573][ T1060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.014900][ T1060] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.015234][ T1060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.015560][ T1060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 121.015880][ T1060] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 121.016202][ T1060] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.016528][ T1060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.016852][ T1060] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.017179][ T1060] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.017505][ T1060] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.018051][ T1060] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.018674][ T1060] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.019241][ T1060] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.019712][ T1060] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 121.020043][ T1060] ___sys_sendmsg (net/socket.c:2670) 
[ 121.020379][ T1060] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.020709][ T1060] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 121.021043][ T1060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.021360][ T1060] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 121.021693][ T1060] ? __handle_mm_fault (mm/memory.c:6212) 
[ 121.022010][ T1060] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 121.022326][ T1060] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 121.022675][ T1060] __sys_sendmsg (net/socket.c:2700) 
[ 121.022989][ T1060] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.023301][ T1060] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 121.023639][ T1060] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 121.023957][ T1060] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.024323][ T1060] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.024668][ T1060] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.025093][ T1060] RIP: 0033:0x7fcd0f4351e7
[ 121.025446][ T1060] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  121.026631][ T1060] RSP: 002b:00007ffc3030c4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.027134][ T1060] RAX: ffffffffffffffda RBX: 00007ffc3030cbd0 RCX: 00007fcd0f4351e7
[  121.027637][ T1060] RDX: 0000000000000000 RSI: 00007ffc3030c510 RDI: 0000000000000005
[  121.028139][ T1060] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  121.028648][ T1060] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc3030cc08
[  121.029156][ T1060] R13: 00000000686e345f R14: 0000000000499600 R15: 0000000000000000
| [  121.237751][ T1062] ------------[ cut here ]------------
| [ 121.238318][ T1062] WARNING: CPU: 3 PID: 1062 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  121.239553][ T1062] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  121.241331][ T1062] Tainted: [W]=WARN
[  121.241600][ T1062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.242006][ T1062] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 121.242344][ T1062] 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
[  121.243494][ T1062] RSP: 0018:ffffc90000677080 EFLAGS: 00010246
[  121.243899][ T1062] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  121.244381][ T1062] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  121.244864][ T1062] RBP: ffffc90000677168 R08: 0000000000000000 R09: 0000000000000000
[  121.245342][ T1062] R10: ffffc90000677198 R11: ffffffff992a8918 R12: 1ffff920000cee14
[  121.245829][ T1062] R13: 00000000000005dc R14: ffffc90000677198 R15: ffff88800c042f08
[  121.246316][ T1062] FS:  00007f8fd52db800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  121.246882][ T1062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.247285][ T1062] CR2: 00000000004a1738 CR3: 0000000004b9b005 CR4: 0000000000772ef0
[  121.247774][ T1062] PKRU: 55555554
[  121.248014][ T1062] Call Trace:
[  121.248261][ T1062]  <TASK>
[ 121.248447][ T1062] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.248792][ T1062] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 121.249119][ T1062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 121.249534][ T1062] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 121.249868][ T1062] netif_set_mtu (net/core/dev.c:9652) 
[ 121.250192][ T1062] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 121.250529][ T1062] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 121.250993][ T1062] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 121.251241][ T1062] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 121.251685][ T1062] br_add_if (net/bridge/br_if.c:697) bridge 
[ 121.252053][ T1062] do_set_master (net/core/rtnetlink.c:2948) 
[ 121.252388][ T1062] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 121.252719][ T1062] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 121.253038][ T1062] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 121.253354][ T1062] ? __dev_get_by_name (net/core/dev.c:865) 
[ 121.253682][ T1062] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.254000][ T1062] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.254326][ T1062] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.254655][ T1062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.254986][ T1062] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 121.255321][ T1062] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.255651][ T1062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.255981][ T1062] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.256298][ T1062] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.256628][ T1062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.256944][ T1062] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.257268][ T1062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.257600][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.257926][ T1062] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.258245][ T1062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.258571][ T1062] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.258903][ T1062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.259213][ T1062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 121.259545][ T1062] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 121.259865][ T1062] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.260176][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.260502][ T1062] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.260821][ T1062] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.261157][ T1062] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.261489][ T1062] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.261816][ T1062] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.262131][ T1062] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.262540][ T1062] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 121.262863][ T1062] ___sys_sendmsg (net/socket.c:2670) 
[ 121.263183][ T1062] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.263504][ T1062] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 121.263826][ T1062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.264146][ T1062] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 121.264485][ T1062] ? __handle_mm_fault (mm/memory.c:6212) 
[ 121.264800][ T1062] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 121.265108][ T1062] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 121.265448][ T1062] __sys_sendmsg (net/socket.c:2700) 
[ 121.265767][ T1062] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.266080][ T1062] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 121.266415][ T1062] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 121.266740][ T1062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.267060][ T1062] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.267377][ T1062] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.267775][ T1062] RIP: 0033:0x7f8fd54a81e7
[ 121.268106][ T1062] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  121.269249][ T1062] RSP: 002b:00007ffcd08ff748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.269746][ T1062] RAX: ffffffffffffffda RBX: 00007ffcd08ffe70 RCX: 00007f8fd54a81e7
[  121.270227][ T1062] RDX: 0000000000000000 RSI: 00007ffcd08ff7b0 RDI: 0000000000000005
[  121.270707][ T1062] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  121.271206][ T1062] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcd08ffea8
[  121.271692][ T1062] R13: 00000000686e345f R14: 0000000000499600 R15: 0000000000000000
| [  121.429005][ T1063] ------------[ cut here ]------------
| [ 121.429332][ 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) 
| [  121.430067][ T1063] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  121.431243][ T1063] Tainted: [W]=WARN
[  121.431901][ T1063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.432306][ 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) 
[ 121.432651][ 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
[  121.433815][ T1063] RSP: 0018:ffffc900008a7080 EFLAGS: 00010246
[  121.434243][ T1063] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  121.434751][ T1063] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  121.435247][ T1063] RBP: ffffc900008a7168 R08: 0000000000000000 R09: 0000000000000000
[  121.435748][ T1063] R10: ffffc900008a7198 R11: ffffffff992a8918 R12: 1ffff92000114e14
[  121.436268][ T1063] R13: 00000000000005dc R14: ffffc900008a7198 R15: ffff88800c042f08
[  121.436763][ T1063] FS:  00007fa949834800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  121.437335][ T1063] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.437751][ T1063] CR2: 00000000004a1738 CR3: 000000000a863002 CR4: 0000000000772ef0
[  121.438292][ T1063] PKRU: 55555554
[  121.438556][ T1063] Call Trace:
[  121.438800][ T1063]  <TASK>
[ 121.438967][ T1063] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.439328][ T1063] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 121.439675][ T1063] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 121.440090][ T1063] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 121.440420][ T1063] netif_set_mtu (net/core/dev.c:9652) 
[ 121.440754][ T1063] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 121.441102][ T1063] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 121.441591][ T1063] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 121.441851][ T1063] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 121.442301][ T1063] br_add_if (net/bridge/br_if.c:697) bridge 
[ 121.442698][ T1063] do_set_master (net/core/rtnetlink.c:2948) 
[ 121.443027][ T1063] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 121.443363][ T1063] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 121.443715][ T1063] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 121.444041][ T1063] ? __dev_get_by_name (net/core/dev.c:865) 
[ 121.444364][ T1063] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.444735][ T1063] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.445083][ T1063] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.445419][ T1063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.445768][ T1063] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 121.446114][ T1063] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.446457][ T1063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.446791][ T1063] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.447121][ T1063] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.447456][ T1063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.447779][ T1063] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.448110][ T1063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.448447][ T1063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.448782][ T1063] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.449108][ T1063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.449452][ T1063] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.449785][ T1063] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.450105][ 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) 
[ 121.450434][ T1063] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 121.450759][ T1063] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.451104][ T1063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.451451][ T1063] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.451783][ T1063] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.452113][ T1063] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.452471][ T1063] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.452815][ T1063] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.453153][ T1063] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.453584][ T1063] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 121.453918][ T1063] ___sys_sendmsg (net/socket.c:2670) 
[ 121.454242][ T1063] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.454582][ T1063] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 121.454905][ T1063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.455236][ T1063] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 121.455590][ T1063] ? __handle_mm_fault (mm/memory.c:6212) 
[ 121.455927][ T1063] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 121.456256][ T1063] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 121.456605][ T1063] __sys_sendmsg (net/socket.c:2700) 
[ 121.456936][ T1063] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.457265][ 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) 
[ 121.457619][ 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) 
[ 121.457947][ T1063] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.458273][ T1063] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.458603][ T1063] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.459005][ T1063] RIP: 0033:0x7fa949a011e7
[ 121.459353][ 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)
[  121.460531][ T1063] RSP: 002b:00007fff505899d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.461045][ T1063] RAX: ffffffffffffffda RBX: 00007fff5058a100 RCX: 00007fa949a011e7
[  121.461550][ T1063] RDX: 0000000000000000 RSI: 00007fff50589a40 RDI: 0000000000000005
[  121.462033][ T1063] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  121.462532][ T1063] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff5058a138
[  121.463037][ T1063] R13: 00000000686e3460 R14: 0000000000499600 R15: 0000000000000000
| [  121.639504][ T1065] ------------[ cut here ]------------
| [ 121.639852][ T1065] WARNING: CPU: 3 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) 
| [  121.640747][ T1065] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  121.642078][ T1065] Tainted: [W]=WARN
[  121.642324][ T1065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.642807][ 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) 
[ 121.643193][ 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
[  121.644643][ T1065] RSP: 0018:ffffc900006a7080 EFLAGS: 00010246
[  121.645104][ T1065] RAX: 0000000000000000 RBX: ffff88800c042000 RCX: 0000000000000001
[  121.645732][ T1065] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  121.646447][ T1065] RBP: ffffc900006a7168 R08: 0000000000000000 R09: 0000000000000000
[  121.646951][ T1065] R10: ffffc900006a7198 R11: ffffffff992a8918 R12: 1ffff920000d4e14
[  121.647509][ T1065] R13: 00000000000005dc R14: ffffc900006a7198 R15: ffff88800c042f08
[  121.648049][ T1065] FS:  00007fc32b9f9800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  121.648629][ T1065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.649151][ T1065] CR2: 00000000004a1738 CR3: 0000000004af4004 CR4: 0000000000772ef0
[  121.649761][ T1065] PKRU: 55555554
[  121.650065][ T1065] Call Trace:
[  121.650404][ T1065]  <TASK>
[ 121.650574][ T1065] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.650930][ T1065] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 121.651258][ T1065] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 121.651678][ T1065] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 121.652008][ T1065] netif_set_mtu (net/core/dev.c:9652) 
[ 121.652337][ T1065] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 121.652691][ T1065] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 121.653149][ T1065] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 121.653405][ T1065] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 121.654015][ T1065] br_add_if (net/bridge/br_if.c:697) bridge 
[ 121.654542][ T1065] do_set_master (net/core/rtnetlink.c:2948) 
[ 121.654881][ T1065] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 121.655209][ T1065] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 121.655555][ T1065] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 121.655887][ T1065] ? __dev_get_by_name (net/core/dev.c:865) 
[ 121.656207][ T1065] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.656535][ T1065] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 121.656882][ T1065] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.657199][ T1065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.657538][ T1065] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 121.657886][ T1065] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.658213][ T1065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.658555][ T1065] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.658893][ T1065] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.659213][ T1065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.659553][ T1065] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.659895][ T1065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.660222][ T1065] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.660558][ T1065] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.660907][ T1065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.661232][ T1065] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.661577][ T1065] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.662101][ 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) 
[ 121.662500][ T1065] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 121.662836][ T1065] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.663156][ T1065] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.663496][ T1065] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.663830][ T1065] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.664158][ T1065] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.664500][ T1065] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.664850][ T1065] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.665176][ T1065] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.665581][ T1065] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 121.665925][ T1065] ___sys_sendmsg (net/socket.c:2670) 
[ 121.666274][ T1065] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.666704][ T1065] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 121.667117][ T1065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 121.667502][ T1065] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 121.667883][ T1065] ? __handle_mm_fault (mm/memory.c:6212) 
[ 121.668207][ T1065] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 121.668532][ T1065] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 121.668892][ T1065] __sys_sendmsg (net/socket.c:2700) 
[ 121.669377][ T1065] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.669939][ 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) 
[ 121.670527][ 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) 
[ 121.671508][ T1065] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.671870][ T1065] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.672209][ T1065] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.672725][ T1065] RIP: 0033:0x7fc32bbc61e7
[ 121.673052][ 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)
[  121.674485][ T1065] RSP: 002b:00007fffc8268148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.675000][ T1065] RAX: ffffffffffffffda RBX: 00007fffc8268870 RCX: 00007fc32bbc61e7
[  121.675500][ T1065] RDX: 0000000000000000 RSI: 00007fffc82681b0 RDI: 0000000000000005
[  121.675993][ T1065] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  121.676479][ T1065] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffc82688a8
[  121.677226][ T1065] R13: 00000000686e3460 R14: 0000000000499600 R15: 0000000000000000
| [  158.498425][ T1289] ------------[ cut here ]------------
| [ 158.498749][ T1289] WARNING: CPU: 3 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) 
| [  158.499376][ T1289] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.500542][ T1289] Tainted: [W]=WARN
[  158.500781][ T1289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.501212][ 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) 
[ 158.501564][ 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
[  158.502736][ T1289] RSP: 0000:ffffc90000fc7080 EFLAGS: 00010246
[  158.503144][ T1289] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  158.503641][ T1289] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  158.504122][ T1289] RBP: ffffc90000fc7168 R08: 0000000000000000 R09: 0000000000000000
[  158.504609][ T1289] R10: ffffc90000fc7198 R11: ffffffff992a8918 R12: 1ffff920001f8e14
[  158.505081][ T1289] R13: 00000000000005dc R14: ffffc90000fc7198 R15: ffff88801002af08
[  158.505570][ T1289] FS:  00007f9a52ec4800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  158.506122][ T1289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.506525][ T1289] CR2: 00007fa52392e540 CR3: 000000000c830001 CR4: 0000000000772ef0
[  158.506999][ T1289] PKRU: 55555554
[  158.507238][ T1289] Call Trace:
[  158.507486][ T1289]  <TASK>
[ 158.507652][ T1289] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.507977][ T1289] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.508297][ T1289] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.508702][ T1289] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.509024][ T1289] netif_set_mtu (net/core/dev.c:9652) 
[ 158.509346][ T1289] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.509680][ T1289] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.510126][ T1289] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.510365][ T1289] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.510803][ T1289] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.511186][ T1289] do_set_master (net/core/rtnetlink.c:2948) 
[ 158.511514][ T1289] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.511833][ T1289] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.512148][ T1289] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.512465][ T1289] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.512780][ T1289] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.513135][ T1289] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.513471][ T1289] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.513788][ T1289] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.514109][ T1289] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.514438][ T1289] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.514757][ T1289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.515085][ T1289] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.515406][ T1289] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.515728][ T1289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.516042][ T1289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.516365][ T1289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.516692][ T1289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.517014][ T1289] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.517331][ T1289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.517656][ T1289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.517991][ T1289] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.518305][ 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) 
[ 158.518626][ T1289] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 158.518944][ T1289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.519256][ T1289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.519583][ T1289] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.519900][ T1289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.520222][ T1289] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.520560][ T1289] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.520885][ T1289] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.521207][ T1289] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.521617][ T1289] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.521939][ T1289] ___sys_sendmsg (net/socket.c:2670) 
[ 158.522253][ T1289] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.522574][ T1289] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.522890][ T1289] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.523209][ T1289] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.523535][ T1289] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.523849][ T1289] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.524159][ T1289] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.524499][ T1289] __sys_sendmsg (net/socket.c:2700) 
[ 158.524819][ T1289] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.525139][ T1289] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 158.525472][ T1289] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 158.525788][ T1289] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.526103][ T1289] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.526422][ T1289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.526829][ T1289] RIP: 0033:0x7f9a530911e7
[ 158.527154][ 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)
[  158.528298][ T1289] RSP: 002b:00007ffe4624b9c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.528805][ T1289] RAX: ffffffffffffffda RBX: 00007ffe4624c0f0 RCX: 00007f9a530911e7
[  158.529301][ T1289] RDX: 0000000000000000 RSI: 00007ffe4624ba30 RDI: 0000000000000005
[  158.529806][ T1289] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.530302][ T1289] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe4624c128
[  158.530807][ T1289] R13: 00000000686e3485 R14: 0000000000499600 R15: 0000000000000000
| [  158.702844][ T1290] ------------[ cut here ]------------
| [ 158.703160][ T1290] WARNING: CPU: 3 PID: 1290 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  158.703810][ T1290] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.704964][ T1290] Tainted: [W]=WARN
[  158.705207][ T1290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.705606][ T1290] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 158.705933][ T1290] 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
[  158.707086][ T1290] RSP: 0018:ffffc90000e57080 EFLAGS: 00010246
[  158.707502][ T1290] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  158.707992][ T1290] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  158.708477][ T1290] RBP: ffffc90000e57168 R08: 0000000000000000 R09: 0000000000000000
[  158.708954][ T1290] R10: ffffc90000e57198 R11: ffffffff992a8918 R12: 1ffff920001cae14
[  158.709430][ T1290] R13: 00000000000005dc R14: ffffc90000e57198 R15: ffff88801002af08
[  158.709907][ T1290] FS:  00007f97f3b86800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  158.710508][ T1290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.710950][ T1290] CR2: 00007f97f3d9a5c0 CR3: 0000000004b9b003 CR4: 0000000000772ef0
[  158.711461][ T1290] PKRU: 55555554
[  158.711715][ T1290] Call Trace:
[  158.711968][ T1290]  <TASK>
[ 158.712145][ T1290] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.712480][ T1290] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.712807][ T1290] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.713204][ T1290] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.713552][ T1290] netif_set_mtu (net/core/dev.c:9652) 
[ 158.713881][ T1290] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.714224][ T1290] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.714704][ T1290] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.714961][ T1290] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.715435][ T1290] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.715828][ T1290] do_set_master (net/core/rtnetlink.c:2948) 
[ 158.716160][ T1290] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.716504][ T1290] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.716849][ T1290] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.717187][ T1290] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.717525][ T1290] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.717866][ T1290] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.718203][ T1290] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.718523][ T1290] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.718861][ T1290] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.719191][ T1290] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.719521][ T1290] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.719851][ T1290] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.720191][ T1290] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.720528][ T1290] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.720848][ T1290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.721212][ T1290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.721558][ T1290] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.721884][ T1290] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.722216][ T1290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.722553][ T1290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.722881][ T1290] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.723210][ T1290] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 158.723555][ T1290] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 158.723892][ T1290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.724234][ T1290] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.724571][ T1290] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.724902][ T1290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.725219][ T1290] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.725551][ T1290] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.725872][ T1290] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.726186][ T1290] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.726616][ T1290] ___sys_sendmsg (net/socket.c:2670) 
[ 158.726941][ T1290] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.727262][ T1290] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 158.727589][ T1290] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 158.727902][ T1290] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 158.728234][ T1290] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.728570][ T1290] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 158.728912][ T1290] __sys_sendmsg (net/socket.c:2700) 
[ 158.729236][ T1290] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.729588][ T1290] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.729923][ T1290] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.730254][ T1290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.730656][ T1290] RIP: 0033:0x7f97f3d531e7
[ 158.731492][ T1290] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  158.732915][ T1290] RSP: 002b:00007ffe25e074b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.733419][ T1290] RAX: ffffffffffffffda RBX: 00007ffe25e07be0 RCX: 00007f97f3d531e7
[  158.733909][ T1290] RDX: 0000000000000000 RSI: 00007ffe25e07520 RDI: 0000000000000005
[  158.734408][ T1290] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.734901][ T1290] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe25e07c18
[  158.735398][ T1290] R13: 00000000686e3485 R14: 0000000000499600 R15: 0000000000000000
| [  158.905912][ T1293] ------------[ cut here ]------------
| [ 158.906262][ T1293] WARNING: CPU: 2 PID: 1293 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  158.906953][ T1293] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.909155][ T1293] Tainted: [W]=WARN
[  158.909429][ T1293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.909837][ T1293] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 158.910180][ T1293] 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
[  158.911367][ T1293] RSP: 0018:ffffc90000c37080 EFLAGS: 00010246
[  158.911807][ T1293] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  158.912301][ T1293] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  158.912823][ T1293] RBP: ffffc90000c37168 R08: 0000000000000000 R09: 0000000000000000
[  158.913311][ T1293] R10: ffffc90000c37198 R11: ffffffff992a8918 R12: 1ffff92000186e14
[  158.913815][ T1293] R13: 00000000000005dc R14: ffffc90000c37198 R15: ffff88801002af08
[  158.914301][ T1293] FS:  00007f3f7d0ef800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  158.914880][ T1293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.915300][ T1293] CR2: 00000000004a1738 CR3: 000000000984f005 CR4: 0000000000772ef0
[  158.915813][ T1293] PKRU: 55555554
[  158.916205][ T1293] Call Trace:
[  158.916572][ T1293]  <TASK>
[ 158.916863][ T1293] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.917230][ T1293] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.917593][ T1293] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.918003][ T1293] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.918335][ T1293] netif_set_mtu (net/core/dev.c:9652) 
[ 158.918684][ T1293] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.919026][ T1293] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.919512][ T1293] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.919774][ T1293] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.920226][ T1293] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.920622][ T1293] do_set_master (net/core/rtnetlink.c:2948) 
[ 158.920977][ T1293] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.921310][ T1293] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.921662][ T1293] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.921996][ T1293] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.922323][ T1293] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.922673][ T1293] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.923009][ T1293] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.923340][ T1293] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.923699][ T1293] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.924045][ T1293] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.924419][ T1293] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.924775][ T1293] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.925104][ T1293] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.925474][ T1293] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.925805][ T1293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.926138][ T1293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.926503][ T1293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.926852][ T1293] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.927191][ T1293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.927542][ T1293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.927883][ T1293] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.928213][ T1293] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 158.928706][ T1293] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 158.929074][ T1293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.929441][ T1293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.929949][ T1293] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.930290][ T1293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.930671][ T1293] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.931155][ T1293] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.931519][ T1293] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.931852][ T1293] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.932261][ T1293] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.932643][ T1293] ___sys_sendmsg (net/socket.c:2670) 
[ 158.932979][ T1293] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.933325][ T1293] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.933815][ T1293] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.934153][ T1293] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.934512][ T1293] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.934858][ T1293] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.935323][ T1293] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.935843][ T1293] __sys_sendmsg (net/socket.c:2700) 
[ 158.936216][ T1293] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.936571][ T1293] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 158.937057][ T1293] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 158.937437][ T1293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.937884][ T1293] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.938274][ T1293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.938711][ T1293] RIP: 0033:0x7f3f7d2bc1e7
[ 158.939197][ T1293] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  158.940559][ T1293] RSP: 002b:00007ffcc169bfd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.941104][ T1293] RAX: ffffffffffffffda RBX: 00007ffcc169c700 RCX: 00007f3f7d2bc1e7
[  158.941858][ T1293] RDX: 0000000000000000 RSI: 00007ffcc169c040 RDI: 0000000000000005
[  158.942702][ T1293] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.943570][ T1293] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc169c738
[  158.944408][ T1293] R13: 00000000686e3485 R14: 0000000000499600 R15: 0000000000000000
| [  159.131879][ T1295] ------------[ cut here ]------------
| [ 159.132195][ T1295] WARNING: CPU: 3 PID: 1295 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.132897][ T1295] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.134070][ T1295] Tainted: [W]=WARN
[  159.134311][ T1295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.134720][ T1295] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.135063][ T1295] 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
[  159.136275][ T1295] RSP: 0018:ffffc90000fe7080 EFLAGS: 00010246
[  159.136695][ T1295] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  159.137208][ T1295] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  159.137709][ T1295] RBP: ffffc90000fe7168 R08: 0000000000000000 R09: 0000000000000000
[  159.138204][ T1295] R10: ffffc90000fe7198 R11: ffffffff992a8918 R12: 1ffff920001fce14
[  159.138719][ T1295] R13: 00000000000005dc R14: ffffc90000fe7198 R15: ffff88801002af08
[  159.139214][ T1295] FS:  00007fd7c4e9a800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  159.139788][ T1295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.140194][ T1295] CR2: 00000000004a1738 CR3: 0000000013505005 CR4: 0000000000772ef0
[  159.140698][ T1295] PKRU: 55555554
[  159.140954][ T1295] Call Trace:
[  159.141193][ T1295]  <TASK>
[ 159.141358][ T1295] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.141706][ T1295] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.142029][ T1295] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.142443][ T1295] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.142769][ T1295] netif_set_mtu (net/core/dev.c:9652) 
[ 159.143092][ T1295] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.143438][ T1295] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.143890][ T1295] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.144145][ T1295] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.144627][ T1295] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.145010][ T1295] do_set_master (net/core/rtnetlink.c:2948) 
[ 159.145340][ T1295] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.145681][ T1295] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.146001][ T1295] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.146315][ T1295] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.146662][ T1295] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.147009][ T1295] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.147335][ T1295] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.147685][ T1295] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.148027][ T1295] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.148364][ T1295] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.148699][ T1295] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.149041][ T1295] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.149360][ T1295] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.149687][ T1295] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.150007][ T1295] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.150322][ T1295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.150661][ T1295] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.151008][ T1295] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.151325][ T1295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.151671][ T1295] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.152018][ T1295] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.152342][ T1295] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.152672][ T1295] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 159.153002][ T1295] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.153318][ T1295] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.153649][ T1295] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.153967][ T1295] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.154299][ T1295] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.154656][ T1295] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.154980][ T1295] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.155298][ T1295] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.155719][ T1295] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.156046][ T1295] ___sys_sendmsg (net/socket.c:2670) 
[ 159.156365][ T1295] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.156698][ T1295] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.157021][ T1295] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.157360][ T1295] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.157704][ T1295] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.158028][ T1295] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.158356][ T1295] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.158703][ T1295] __sys_sendmsg (net/socket.c:2700) 
[ 159.159051][ T1295] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.159366][ T1295] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 159.159704][ T1295] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 159.160023][ T1295] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.160341][ T1295] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.160689][ T1295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.161108][ T1295] RIP: 0033:0x7fd7c50671e7
[ 159.161458][ T1295] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.162649][ T1295] RSP: 002b:00007fff20bbb128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.163140][ T1295] RAX: ffffffffffffffda RBX: 00007fff20bbb850 RCX: 00007fd7c50671e7
[  159.163660][ T1295] RDX: 0000000000000000 RSI: 00007fff20bbb190 RDI: 0000000000000005
[  159.164189][ T1295] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.164705][ T1295] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff20bbb888
[  159.165180][ T1295] R13: 00000000686e3485 R14: 0000000000499600 R15: 0000000000000000
| [  159.333201][ T1297] ------------[ cut here ]------------
| [ 159.333544][ T1297] WARNING: CPU: 3 PID: 1297 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.334178][ T1297] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.335334][ T1297] Tainted: [W]=WARN
[  159.335584][ T1297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.335983][ T1297] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.336322][ T1297] 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
[  159.337457][ T1297] RSP: 0018:ffffc90000fe7080 EFLAGS: 00010246
[  159.337856][ T1297] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  159.338328][ T1297] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  159.338806][ T1297] RBP: ffffc90000fe7168 R08: 0000000000000000 R09: 0000000000000000
[  159.339280][ T1297] R10: ffffc90000fe7198 R11: ffffffff992a8918 R12: 1ffff920001fce14
[  159.339761][ T1297] R13: 00000000000005dc R14: ffffc90000fe7198 R15: ffff88801002af08
[  159.340263][ T1297] FS:  00007fd3b32ec800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  159.340862][ T1297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.341275][ T1297] CR2: 00000000004a1738 CR3: 000000000c152003 CR4: 0000000000772ef0
[  159.341759][ T1297] PKRU: 55555554
[  159.342012][ T1297] Call Trace:
[  159.342248][ T1297]  <TASK>
[ 159.342423][ T1297] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.342781][ T1297] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.343116][ T1297] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.343531][ T1297] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.343864][ T1297] netif_set_mtu (net/core/dev.c:9652) 
[ 159.344203][ T1297] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.344555][ T1297] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.345026][ T1297] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.345277][ T1297] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.345774][ T1297] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.346175][ T1297] do_set_master (net/core/rtnetlink.c:2948) 
[ 159.346515][ T1297] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.346847][ T1297] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.347178][ T1297] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.347516][ T1297] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.347856][ T1297] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.348183][ T1297] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.348529][ T1297] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.348866][ T1297] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.349204][ T1297] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.349574][ T1297] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.349919][ T1297] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.350264][ T1297] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.350620][ T1297] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.350970][ T1297] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.351302][ T1297] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.351644][ T1297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.351982][ T1297] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.352328][ T1297] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.352670][ T1297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.353002][ T1297] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.353347][ T1297] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.353681][ T1297] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.354014][ T1297] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 159.354437][ T1297] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.354753][ T1297] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.355072][ T1297] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.355413][ T1297] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.355729][ T1297] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.356054][ T1297] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.356384][ T1297] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.356728][ T1297] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.357144][ T1297] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.357483][ T1297] ___sys_sendmsg (net/socket.c:2670) 
[ 159.357808][ T1297] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.358127][ T1297] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.358454][ T1297] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.358770][ T1297] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.359096][ T1297] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.359424][ T1297] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.359750][ T1297] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.360087][ T1297] __sys_sendmsg (net/socket.c:2700) 
[ 159.360413][ T1297] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.360735][ T1297] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 159.361094][ T1297] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 159.361427][ T1297] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.361754][ T1297] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.362076][ T1297] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.362479][ T1297] RIP: 0033:0x7fd3b34b91e7
[ 159.362805][ T1297] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.363948][ T1297] RSP: 002b:00007ffd52177558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.364435][ T1297] RAX: ffffffffffffffda RBX: 00007ffd52177c80 RCX: 00007fd3b34b91e7
[  159.364907][ T1297] RDX: 0000000000000000 RSI: 00007ffd521775c0 RDI: 0000000000000005
[  159.365384][ T1297] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.365905][ T1297] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd52177cb8
[  159.366408][ T1297] R13: 00000000686e3485 R14: 0000000000499600 R15: 0000000000000000
| [  159.534359][ T1300] ------------[ cut here ]------------
| [ 159.534762][ T1300] WARNING: CPU: 3 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) 
| [  159.535491][ T1300] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.536799][ T1300] Tainted: [W]=WARN
[  159.537071][ T1300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.537543][ 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) 
[ 159.537926][ 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
[  159.539249][ T1300] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  159.539713][ T1300] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  159.540558][ T1300] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  159.541308][ T1300] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  159.541879][ T1300] R10: ffffc90000eb7198 R11: ffffffff992a8918 R12: 1ffff920001d6e14
[  159.542437][ T1300] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88801002af08
[  159.542998][ T1300] FS:  00007f7c57c89800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  159.543647][ T1300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.544095][ T1300] CR2: 00007f2590ac1270 CR3: 00000000094a6006 CR4: 0000000000772ef0
[  159.544644][ T1300] PKRU: 55555554
[  159.544915][ T1300] Call Trace:
[  159.545180][ T1300]  <TASK>
[ 159.545369][ T1300] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.545768][ T1300] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.546144][ T1300] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.546599][ T1300] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.546966][ T1300] netif_set_mtu (net/core/dev.c:9652) 
[ 159.547324][ T1300] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.547700][ T1300] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.548217][ T1300] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.548505][ T1300] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.548994][ T1300] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.549432][ T1300] do_set_master (net/core/rtnetlink.c:2948) 
[ 159.549794][ T1300] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.550169][ T1300] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.550545][ T1300] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.550901][ T1300] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.551278][ T1300] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.551649][ T1300] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.552017][ T1300] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.552409][ T1300] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.552739][ T1300] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.553067][ T1300] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.553399][ T1300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.553730][ T1300] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.554038][ T1300] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.554364][ T1300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.554684][ T1300] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.555006][ T1300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.555332][ T1300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.555664][ T1300] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.555980][ T1300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.556307][ T1300] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.556642][ T1300] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.556956][ 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) 
[ 159.557273][ T1300] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 159.557600][ T1300] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.557915][ T1300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.558235][ T1300] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.558565][ T1300] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.558883][ T1300] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.559206][ T1300] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.559533][ T1300] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.559844][ T1300] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.560241][ T1300] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.560571][ T1300] ___sys_sendmsg (net/socket.c:2670) 
[ 159.560894][ T1300] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.561222][ T1300] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.561547][ T1300] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.561861][ T1300] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.562185][ T1300] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.562524][ T1300] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.562840][ T1300] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.563173][ T1300] __sys_sendmsg (net/socket.c:2700) 
[ 159.563504][ T1300] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.563819][ 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) 
[ 159.564146][ 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) 
[ 159.564472][ T1300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.564800][ T1300] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.565163][ T1300] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.565572][ T1300] RIP: 0033:0x7f7c57e561e7
[ 159.565903][ 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)
[  159.567034][ T1300] RSP: 002b:00007ffcd4f699c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.567524][ T1300] RAX: ffffffffffffffda RBX: 00007ffcd4f6a0f0 RCX: 00007f7c57e561e7
[  159.567999][ T1300] RDX: 0000000000000000 RSI: 00007ffcd4f69a30 RDI: 0000000000000005
[  159.568509][ T1300] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.568981][ T1300] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcd4f6a128
[  159.569522][ T1300] R13: 00000000686e3486 R14: 0000000000499600 R15: 0000000000000000
| [  159.752012][ T1302] ------------[ cut here ]------------
| [ 159.752369][ T1302] WARNING: CPU: 3 PID: 1302 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.753069][ T1302] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.754322][ T1302] Tainted: [W]=WARN
[  159.754588][ T1302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.755006][ T1302] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.755370][ T1302] 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
[  159.756649][ T1302] RSP: 0018:ffffc90001007080 EFLAGS: 00010246
[  159.757131][ T1302] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  159.757690][ T1302] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  159.758263][ T1302] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000
[  159.758795][ T1302] R10: ffffc90001007198 R11: ffffffff992a8918 R12: 1ffff92000200e14
[  159.759422][ T1302] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff88801002af08
[  159.759928][ T1302] FS:  00007f8b4315d800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  159.760535][ T1302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.760977][ T1302] CR2: 00000000004a1738 CR3: 0000000014897002 CR4: 0000000000772ef0
[  159.761508][ T1302] PKRU: 55555554
[  159.761760][ T1302] Call Trace:
[  159.762008][ T1302]  <TASK>
[ 159.762191][ T1302] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.762575][ T1302] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.762926][ T1302] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.763360][ T1302] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.763709][ T1302] netif_set_mtu (net/core/dev.c:9652) 
[ 159.764047][ T1302] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.764411][ T1302] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.764943][ T1302] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.765222][ T1302] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.765720][ T1302] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.766204][ T1302] do_set_master (net/core/rtnetlink.c:2948) 
[ 159.766617][ T1302] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.766953][ T1302] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.767327][ T1302] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.767733][ T1302] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.768069][ T1302] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.768521][ T1302] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.768914][ T1302] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.769326][ T1302] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.769750][ T1302] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.770153][ T1302] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.770564][ T1302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.770914][ T1302] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.771292][ T1302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.771644][ T1302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.771977][ T1302] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.772321][ T1302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.772689][ T1302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.773095][ T1302] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.773618][ T1302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.774199][ T1302] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.774843][ T1302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.775419][ T1302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.775996][ T1302] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 159.776596][ T1302] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.777170][ T1302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.777761][ T1302] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.778340][ T1302] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.778941][ T1302] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.779561][ T1302] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.780147][ T1302] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.780743][ T1302] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.781333][ T1302] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.781698][ T1302] ___sys_sendmsg (net/socket.c:2670) 
[ 159.782038][ T1302] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.782371][ T1302] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.782715][ T1302] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.783057][ T1302] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.783404][ T1302] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.783740][ T1302] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.784074][ T1302] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.784432][ T1302] __sys_sendmsg (net/socket.c:2700) 
[ 159.784770][ T1302] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.785101][ T1302] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 159.785463][ T1302] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 159.785797][ T1302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.786128][ T1302] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.786479][ T1302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.786890][ T1302] RIP: 0033:0x7f8b4332a1e7
[ 159.787235][ T1302] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.788437][ T1302] RSP: 002b:00007fff87c6dfc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.788945][ T1302] RAX: ffffffffffffffda RBX: 00007fff87c6e6f0 RCX: 00007f8b4332a1e7
[  159.789453][ T1302] RDX: 0000000000000000 RSI: 00007fff87c6e030 RDI: 0000000000000005
[  159.789957][ T1302] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.790462][ T1302] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff87c6e728
[  159.790978][ T1302] R13: 00000000686e3486 R14: 0000000000499600 R15: 0000000000000000
| [  159.972782][ T1304] ------------[ cut here ]------------
| [ 159.973142][ T1304] WARNING: CPU: 2 PID: 1304 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.973848][ T1304] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.975074][ T1304] Tainted: [W]=WARN
[  159.975342][ T1304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.975778][ T1304] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.976133][ T1304] 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
[  159.977354][ T1304] RSP: 0018:ffffc90001037080 EFLAGS: 00010246
[  159.977797][ T1304] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  159.978338][ T1304] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  159.978875][ T1304] RBP: ffffc90001037168 R08: 0000000000000000 R09: 0000000000000000
[  159.979404][ T1304] R10: ffffc90001037198 R11: ffffffff992a8918 R12: 1ffff92000206e14
[  159.979917][ T1304] R13: 00000000000005dc R14: ffffc90001037198 R15: ffff88801002af08
[  159.980436][ T1304] FS:  00007f6df0a2a800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  159.981043][ T1304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.981487][ T1304] CR2: 00000000004a1738 CR3: 0000000004adb002 CR4: 0000000000772ef0
[  159.982011][ T1304] PKRU: 55555554
[  159.982303][ T1304] Call Trace:
[  159.982587][ T1304]  <TASK>
[ 159.982788][ T1304] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.983158][ T1304] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.983545][ T1304] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.983982][ T1304] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.984329][ T1304] netif_set_mtu (net/core/dev.c:9652) 
[ 159.984701][ T1304] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.985078][ T1304] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.985637][ T1304] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.985910][ T1304] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.986423][ T1304] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.986820][ T1304] do_set_master (net/core/rtnetlink.c:2948) 
[ 159.987172][ T1304] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.987530][ T1304] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.987903][ T1304] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.988242][ T1304] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.988598][ T1304] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.988954][ T1304] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.989340][ T1304] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.989696][ T1304] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.990061][ T1304] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.990438][ T1304] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.990798][ T1304] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.991263][ T1304] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.991619][ T1304] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.991970][ T1304] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.992313][ T1304] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.992672][ T1304] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.993024][ T1304] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.993431][ T1304] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.993790][ T1304] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.994156][ T1304] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.994532][ T1304] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.994891][ T1304] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.995248][ T1304] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 159.995609][ T1304] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.995958][ T1304] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.996312][ T1304] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.996671][ T1304] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.997024][ T1304] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.997435][ T1304] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.997792][ T1304] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.998133][ T1304] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.998599][ T1304] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.998967][ T1304] ___sys_sendmsg (net/socket.c:2670) 
[ 159.999325][ T1304] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.999687][ T1304] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.000050][ T1304] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.000408][ T1304] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.000780][ T1304] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.001139][ T1304] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.001484][ T1304] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.001843][ T1304] __sys_sendmsg (net/socket.c:2700) 
[ 160.002175][ T1304] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.002514][ T1304] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.002857][ T1304] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.003207][ T1304] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.003554][ T1304] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.003911][ T1304] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.004320][ T1304] RIP: 0033:0x7f6df0bf71e7
[ 160.004686][ T1304] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.005891][ T1304] RSP: 002b:00007ffc49eb15d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.006401][ T1304] RAX: ffffffffffffffda RBX: 00007ffc49eb1d00 RCX: 00007f6df0bf71e7
[  160.006896][ T1304] RDX: 0000000000000000 RSI: 00007ffc49eb1640 RDI: 0000000000000005
[  160.007387][ T1304] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.007901][ T1304] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc49eb1d38
[  160.008408][ T1304] R13: 00000000686e3486 R14: 0000000000499600 R15: 0000000000000000
| [  160.166416][ T1306] ------------[ cut here ]------------
| [ 160.166736][ T1306] WARNING: CPU: 3 PID: 1306 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.167373][ T1306] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.168565][ T1306] Tainted: [W]=WARN
[  160.168809][ T1306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.169218][ T1306] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.169555][ T1306] 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
[  160.170700][ T1306] RSP: 0000:ffffc90001057080 EFLAGS: 00010246
[  160.171134][ T1306] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  160.171620][ T1306] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  160.172093][ T1306] RBP: ffffc90001057168 R08: 0000000000000000 R09: 0000000000000000
[  160.172573][ T1306] R10: ffffc90001057198 R11: ffffffff992a8918 R12: 1ffff9200020ae14
[  160.173053][ T1306] R13: 00000000000005dc R14: ffffc90001057198 R15: ffff88801002af08
[  160.173545][ T1306] FS:  00007ffbf3888800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  160.174105][ T1306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.174513][ T1306] CR2: 000055e194f43718 CR3: 000000000b449003 CR4: 0000000000772ef0
[  160.174993][ T1306] PKRU: 55555554
[  160.175244][ T1306] Call Trace:
[  160.175496][ T1306]  <TASK>
[ 160.175661][ T1306] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.175984][ T1306] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.176310][ T1306] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.176713][ T1306] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.177039][ T1306] netif_set_mtu (net/core/dev.c:9652) 
[ 160.177360][ T1306] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.177710][ T1306] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.178159][ T1306] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.178411][ T1306] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.178842][ T1306] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.179224][ T1306] do_set_master (net/core/rtnetlink.c:2948) 
[ 160.179556][ T1306] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.179884][ T1306] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.180209][ T1306] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.180529][ T1306] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.180850][ T1306] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.181181][ T1306] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.181545][ T1306] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.181860][ T1306] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.182185][ T1306] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.182560][ T1306] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.182893][ T1306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.183231][ T1306] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.183555][ T1306] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.183876][ T1306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.184192][ T1306] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.184526][ T1306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.184854][ T1306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.185196][ T1306] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.185528][ T1306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.185845][ T1306] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.186178][ T1306] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.186514][ T1306] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.186837][ T1306] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.187157][ T1306] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.187478][ T1306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.187803][ T1306] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.188121][ T1306] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.188453][ T1306] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.188784][ T1306] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.189125][ T1306] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.189466][ T1306] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.189884][ T1306] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.190210][ T1306] ___sys_sendmsg (net/socket.c:2670) 
[ 160.190541][ T1306] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.190858][ T1306] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.191201][ T1306] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.191544][ T1306] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.191871][ T1306] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.192188][ T1306] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.192517][ T1306] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.192855][ T1306] __sys_sendmsg (net/socket.c:2700) 
[ 160.193189][ T1306] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.193524][ T1306] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.193852][ T1306] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.194169][ T1306] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.194498][ T1306] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.194826][ T1306] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.195225][ T1306] RIP: 0033:0x7ffbf3a551e7
[ 160.195558][ T1306] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.196702][ T1306] RSP: 002b:00007ffe1bcdeab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.197182][ T1306] RAX: ffffffffffffffda RBX: 00007ffe1bcdf1e0 RCX: 00007ffbf3a551e7
[  160.197664][ T1306] RDX: 0000000000000000 RSI: 00007ffe1bcdeb20 RDI: 0000000000000005
[  160.198142][ T1306] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.198621][ T1306] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe1bcdf218
[  160.199103][ T1306] R13: 00000000686e3486 R14: 0000000000499600 R15: 0000000000000000
| [  160.371867][ T1308] ------------[ cut here ]------------
| [ 160.372184][ T1308] WARNING: CPU: 1 PID: 1308 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.372860][ T1308] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.374151][ T1308] Tainted: [W]=WARN
[  160.374546][ T1308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.374944][ T1308] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.375269][ 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
[  160.376549][ T1308] RSP: 0018:ffffc90001027080 EFLAGS: 00010246
[  160.376949][ T1308] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  160.377564][ T1308] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  160.378030][ T1308] RBP: ffffc90001027168 R08: 0000000000000000 R09: 0000000000000000
[  160.378654][ T1308] R10: ffffc90001027198 R11: ffffffff992a8918 R12: 1ffff92000204e14
[  160.379131][ T1308] R13: 00000000000005dc R14: ffffc90001027198 R15: ffff88801002af08
[  160.379744][ T1308] FS:  00007fa5ba6ce800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  160.380287][ T1308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.380732][ T1308] CR2: 00000000004a1738 CR3: 000000000973c006 CR4: 0000000000772ef0
[  160.381245][ T1308] PKRU: 55555554
[  160.381497][ T1308] Call Trace:
[  160.381730][ T1308]  <TASK>
[ 160.381893][ T1308] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.382214][ T1308] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.382542][ T1308] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.382940][ T1308] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.383266][ T1308] netif_set_mtu (net/core/dev.c:9652) 
[ 160.383590][ T1308] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.383921][ T1308] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.384366][ T1308] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.384619][ T1308] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.385047][ T1308] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.385422][ T1308] do_set_master (net/core/rtnetlink.c:2948) 
[ 160.385738][ T1308] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.386051][ T1308] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.386369][ T1308] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.386696][ T1308] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.387013][ T1308] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.387326][ T1308] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.387655][ T1308] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.387965][ T1308] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.388280][ T1308] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.388614][ T1308] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.388938][ T1308] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.389261][ T1308] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.389578][ T1308] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.389891][ T1308] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.390201][ T1308] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.390526][ T1308] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.390844][ T1308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.391201][ T1308] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.391537][ T1308] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.391857][ T1308] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.392185][ T1308] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.392504][ T1308] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.392816][ T1308] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.393133][ T1308] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.393468][ T1308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.393792][ T1308] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.394112][ T1308] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.394440][ T1308] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.394766][ T1308] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.395082][ T1308] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.395403][ T1308] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.395797][ T1308] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.396121][ T1308] ___sys_sendmsg (net/socket.c:2670) 
[ 160.396448][ T1308] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.396763][ T1308] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.397084][ T1308] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.397404][ T1308] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.397730][ T1308] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.398047][ T1308] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.398356][ T1308] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.398700][ T1308] __sys_sendmsg (net/socket.c:2700) 
[ 160.399013][ T1308] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.399323][ T1308] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.399653][ T1308] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.399984][ T1308] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.400302][ T1308] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.400626][ T1308] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.401042][ T1308] RIP: 0033:0x7fa5ba89b1e7
[ 160.401374][ T1308] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.402526][ T1308] RSP: 002b:00007fff33e6e258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.403010][ T1308] RAX: ffffffffffffffda RBX: 00007fff33e6e980 RCX: 00007fa5ba89b1e7
[  160.403488][ T1308] RDX: 0000000000000000 RSI: 00007fff33e6e2c0 RDI: 0000000000000005
[  160.403953][ T1308] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.404434][ T1308] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff33e6e9b8
[  160.404912][ T1308] R13: 00000000686e3487 R14: 0000000000499600 R15: 0000000000000000
| [  160.568428][ T1310] ------------[ cut here ]------------
| [ 160.568767][ T1310] WARNING: CPU: 0 PID: 1310 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.569435][ T1310] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.570658][ T1310] Tainted: [W]=WARN
[  160.571078][ T1310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.571486][ T1310] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.571834][ 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
[  160.573008][ T1310] RSP: 0018:ffffc90000ff7080 EFLAGS: 00010246
[  160.573429][ T1310] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  160.573929][ T1310] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  160.574465][ T1310] RBP: ffffc90000ff7168 R08: 0000000000000000 R09: 0000000000000000
[  160.574983][ T1310] R10: ffffc90000ff7198 R11: ffffffff992a8918 R12: 1ffff920001fee14
[  160.575502][ T1310] R13: 00000000000005dc R14: ffffc90000ff7198 R15: ffff88801002af08
[  160.576004][ T1310] FS:  00007f3b64ede800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  160.576577][ T1310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.576987][ T1310] CR2: 00007fa5237aa240 CR3: 000000000cbf4002 CR4: 0000000000772ef0
[  160.577492][ T1310] PKRU: 55555554
[  160.577770][ T1310] Call Trace:
[  160.578020][ T1310]  <TASK>
[ 160.578190][ T1310] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.578542][ T1310] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.578876][ T1310] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.579378][ T1310] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.579791][ T1310] netif_set_mtu (net/core/dev.c:9652) 
[ 160.580123][ T1310] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.580507][ T1310] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.581038][ T1310] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.581293][ T1310] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.581846][ T1310] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.582438][ T1310] do_set_master (net/core/rtnetlink.c:2948) 
[ 160.582841][ T1310] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.583221][ T1310] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.583613][ T1310] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.584005][ T1310] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.584376][ T1310] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.584777][ T1310] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.585110][ T1310] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.585504][ T1310] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.585871][ T1310] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.586198][ T1310] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.586531][ T1310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.586965][ T1310] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.587352][ T1310] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.587704][ T1310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.588165][ T1310] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.588577][ T1310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.588910][ T1310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.589233][ T1310] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.589561][ T1310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.589920][ T1310] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.590278][ T1310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.590637][ T1310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.591036][ T1310] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.591367][ T1310] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.591727][ T1310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.592054][ T1310] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.592474][ T1310] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.592867][ T1310] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.593194][ T1310] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.593628][ T1310] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.593953][ T1310] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.594502][ T1310] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.594905][ T1310] ___sys_sendmsg (net/socket.c:2670) 
[ 160.595317][ T1310] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.595687][ T1310] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.596086][ T1310] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.596451][ T1310] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.596927][ T1310] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.597252][ T1310] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.597694][ T1310] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.598048][ T1310] __sys_sendmsg (net/socket.c:2700) 
[ 160.598376][ T1310] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.598728][ T1310] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.599058][ T1310] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.599414][ T1310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.600173][ T1310] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.600508][ T1310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.601014][ T1310] RIP: 0033:0x7f3b650ab1e7
[ 160.601350][ T1310] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.602885][ T1310] RSP: 002b:00007ffe01c740e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.603788][ T1310] RAX: ffffffffffffffda RBX: 00007ffe01c74810 RCX: 00007f3b650ab1e7
[  160.604370][ T1310] RDX: 0000000000000000 RSI: 00007ffe01c74150 RDI: 0000000000000005
[  160.605024][ T1310] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.605789][ T1310] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe01c74848
[  160.606582][ T1310] R13: 00000000686e3487 R14: 0000000000499600 R15: 0000000000000000
| [  160.797599][ T1312] ------------[ cut here ]------------
| [ 160.797920][ T1312] WARNING: CPU: 3 PID: 1312 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.798851][ T1312] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.800040][ T1312] Tainted: [W]=WARN
[  160.800294][ T1312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.800737][ T1312] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.801105][ T1312] 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
[  160.802305][ T1312] RSP: 0018:ffffc90001027080 EFLAGS: 00010246
[  160.802734][ T1312] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  160.803207][ T1312] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  160.803686][ T1312] RBP: ffffc90001027168 R08: 0000000000000000 R09: 0000000000000000
[  160.804175][ T1312] R10: ffffc90001027198 R11: ffffffff992a8918 R12: 1ffff92000204e14
[  160.804665][ T1312] R13: 00000000000005dc R14: ffffc90001027198 R15: ffff88801002af08
[  160.805163][ T1312] FS:  00007f71b0213800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  160.805742][ T1312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.806167][ T1312] CR2: 00000000004a1738 CR3: 000000000bbc2001 CR4: 0000000000772ef0
[  160.806671][ T1312] PKRU: 55555554
[  160.806923][ T1312] Call Trace:
[  160.807173][ T1312]  <TASK>
[ 160.807348][ T1312] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.807706][ T1312] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.808046][ T1312] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.808476][ T1312] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.808815][ T1312] netif_set_mtu (net/core/dev.c:9652) 
[ 160.809152][ T1312] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.809509][ T1312] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.809975][ T1312] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.810229][ T1312] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.810708][ T1312] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.811116][ T1312] do_set_master (net/core/rtnetlink.c:2948) 
[ 160.811467][ T1312] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.811814][ T1312] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.812155][ T1312] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.812507][ T1312] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.812851][ T1312] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.813186][ T1312] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.813539][ T1312] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.813868][ T1312] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.814214][ T1312] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.814566][ T1312] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.814902][ T1312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.815227][ T1312] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.815569][ T1312] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.815902][ T1312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.816222][ T1312] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.816547][ T1312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.816880][ T1312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.817214][ T1312] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.817568][ T1312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.817887][ T1312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.818227][ T1312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.818548][ T1312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.818866][ T1312] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.819203][ T1312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.819528][ T1312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.819853][ T1312] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.820173][ T1312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.820505][ T1312] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.820841][ T1312] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.821183][ T1312] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.821512][ T1312] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.821923][ T1312] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.822248][ T1312] ___sys_sendmsg (net/socket.c:2670) 
[ 160.822580][ T1312] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.822897][ T1312] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.823213][ T1312] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.823559][ T1312] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.823881][ T1312] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.824198][ T1312] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.824528][ T1312] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.824883][ T1312] __sys_sendmsg (net/socket.c:2700) 
[ 160.825198][ T1312] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.825531][ T1312] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.825867][ T1312] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.826192][ T1312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.826530][ T1312] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.826848][ T1312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.827257][ T1312] RIP: 0033:0x7f71b03e01e7
[ 160.827596][ T1312] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.828748][ T1312] RSP: 002b:00007fffd807a278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.829276][ T1312] RAX: ffffffffffffffda RBX: 00007fffd807a9a0 RCX: 00007f71b03e01e7
[  160.829799][ T1312] RDX: 0000000000000000 RSI: 00007fffd807a2e0 RDI: 0000000000000005
[  160.830309][ T1312] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.830818][ T1312] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffd807a9d8
[  160.831319][ T1312] R13: 00000000686e3487 R14: 0000000000499600 R15: 0000000000000000
| [  160.967237][ T1314] ------------[ cut here ]------------
| [ 160.967638][ T1314] WARNING: CPU: 2 PID: 1314 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.968355][ T1314] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.971369][ T1314] Tainted: [W]=WARN
[  160.971789][ T1314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.972257][ T1314] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.972648][ T1314] 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
[  160.973883][ T1314] RSP: 0018:ffffc90000c37080 EFLAGS: 00010246
[  160.974332][ T1314] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  160.974883][ T1314] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  160.975403][ T1314] RBP: ffffc90000c37168 R08: 0000000000000000 R09: 0000000000000000
[  160.975942][ T1314] R10: ffffc90000c37198 R11: ffffffff992a8918 R12: 1ffff92000186e14
[  160.976490][ T1314] R13: 00000000000005dc R14: ffffc90000c37198 R15: ffff88801002af08
[  160.977034][ T1314] FS:  00007fca4f271800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  160.977660][ T1314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.978134][ T1314] CR2: 00000000004a1738 CR3: 0000000009b24003 CR4: 0000000000772ef0
[  160.978690][ T1314] PKRU: 55555554
[  160.978962][ T1314] Call Trace:
[  160.979247][ T1314]  <TASK>
[ 160.979481][ T1314] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.979853][ T1314] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.980241][ T1314] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.980699][ T1314] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.981091][ T1314] netif_set_mtu (net/core/dev.c:9652) 
[ 160.981461][ T1314] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.981832][ T1314] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.982327][ T1314] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.982649][ T1314] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.983138][ T1314] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.983569][ T1314] do_set_master (net/core/rtnetlink.c:2948) 
[ 160.983952][ T1314] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.984337][ T1314] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.984717][ T1314] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.985098][ T1314] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.985498][ T1314] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.985877][ T1314] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.986246][ T1314] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.986675][ T1314] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.987046][ T1314] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.987457][ T1314] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.987813][ T1314] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.988174][ T1314] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.988546][ T1314] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.988939][ T1314] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.989311][ T1314] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.989700][ T1314] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.990071][ T1314] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.990437][ T1314] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.990788][ T1314] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.991149][ T1314] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.991520][ T1314] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.991868][ T1314] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.992217][ T1314] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.992614][ T1314] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.992974][ T1314] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.993333][ T1314] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.993700][ T1314] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.994047][ T1314] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.994411][ T1314] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.994763][ T1314] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.995110][ T1314] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.995552][ T1314] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.995908][ T1314] ___sys_sendmsg (net/socket.c:2670) 
[ 160.996263][ T1314] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.996624][ T1314] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.996977][ T1314] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.997327][ T1314] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.997694][ T1314] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.998043][ T1314] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.998384][ T1314] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.998776][ T1314] __sys_sendmsg (net/socket.c:2700) 
[ 160.999130][ T1314] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.999488][ T1314] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.999845][ T1314] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.000190][ T1314] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.000548][ T1314] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.000932][ T1314] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.001353][ T1314] RIP: 0033:0x7fca4f43e1e7
[ 161.001737][ T1314] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.002947][ T1314] RSP: 002b:00007ffd91caed68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.003450][ T1314] RAX: ffffffffffffffda RBX: 00007ffd91caf490 RCX: 00007fca4f43e1e7
[  161.003955][ T1314] RDX: 0000000000000000 RSI: 00007ffd91caedd0 RDI: 0000000000000005
[  161.004462][ T1314] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.004972][ T1314] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd91caf4c8
[  161.005478][ T1314] R13: 00000000686e3487 R14: 0000000000499600 R15: 0000000000000000
| [  161.173470][ T1316] ------------[ cut here ]------------
| [ 161.173829][ T1316] WARNING: CPU: 0 PID: 1316 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  161.174532][ T1316] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.175772][ T1316] Tainted: [W]=WARN
[  161.176045][ T1316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.176491][ T1316] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 161.176886][ T1316] 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
[  161.178115][ T1316] RSP: 0018:ffffc90000c37080 EFLAGS: 00010246
[  161.178559][ T1316] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  161.179087][ T1316] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  161.179622][ T1316] RBP: ffffc90000c37168 R08: 0000000000000000 R09: 0000000000000000
[  161.180144][ T1316] R10: ffffc90000c37198 R11: ffffffff992a8918 R12: 1ffff92000186e14
[  161.180678][ T1316] R13: 00000000000005dc R14: ffffc90000c37198 R15: ffff88801002af08
[  161.181226][ T1316] FS:  00007f668f10c800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  161.181832][ T1316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.182280][ T1316] CR2: 000055e194f464d8 CR3: 000000000f566001 CR4: 0000000000772ef0
[  161.182811][ T1316] PKRU: 55555554
[  161.183079][ T1316] Call Trace:
[  161.183339][ T1316]  <TASK>
[ 161.183526][ T1316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.183884][ T1316] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.184230][ T1316] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.184677][ T1316] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.185027][ T1316] netif_set_mtu (net/core/dev.c:9652) 
[ 161.185377][ T1316] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.185772][ T1316] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.186280][ T1316] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.186555][ T1316] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.187027][ T1316] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.187436][ T1316] do_set_master (net/core/rtnetlink.c:2948) 
[ 161.187793][ T1316] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.188142][ T1316] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.188499][ T1316] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.188837][ T1316] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.189186][ T1316] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.189540][ T1316] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.189888][ T1316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.190231][ T1316] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.190586][ T1316] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.190955][ T1316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.191312][ T1316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.191683][ T1316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.192028][ T1316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.192372][ T1316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.192726][ T1316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.193069][ T1316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.193425][ T1316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.193774][ T1316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.194133][ T1316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.194521][ T1316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.194876][ T1316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.195218][ T1316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 161.195575][ T1316] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 161.195930][ T1316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.196275][ T1316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.196644][ T1316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.196996][ T1316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.197342][ T1316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.197710][ T1316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.198063][ T1316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.198415][ T1316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.198853][ T1316] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.199208][ T1316] ___sys_sendmsg (net/socket.c:2670) 
[ 161.199570][ T1316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.199918][ T1316] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.200269][ T1316] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.200623][ T1316] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.200983][ T1316] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.201332][ T1316] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.201685][ T1316] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.202039][ T1316] __sys_sendmsg (net/socket.c:2700) 
[ 161.202382][ T1316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.202725][ T1316] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 161.203075][ T1316] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.203430][ T1316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.203791][ T1316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.204152][ T1316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.204603][ T1316] RIP: 0033:0x7f668f2d91e7
[ 161.204965][ T1316] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.206205][ T1316] RSP: 002b:00007fffb61ef568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.206733][ T1316] RAX: ffffffffffffffda RBX: 00007fffb61efc90 RCX: 00007f668f2d91e7
[  161.207253][ T1316] RDX: 0000000000000000 RSI: 00007fffb61ef5d0 RDI: 0000000000000005
[  161.207787][ T1316] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.208303][ T1316] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb61efcc8
[  161.208828][ T1316] R13: 00000000686e3487 R14: 0000000000499600 R15: 0000000000000000
| [  161.420433][ T1318] ------------[ cut here ]------------
| [ 161.420771][ T1318] WARNING: CPU: 1 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) 
| [  161.421613][ T1318] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.423588][ T1318] Tainted: [W]=WARN
[  161.424023][ T1318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.424723][ 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) 
[ 161.425307][ 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
[  161.427335][ T1318] RSP: 0018:ffffc90001097080 EFLAGS: 00010246
[  161.428075][ T1318] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  161.428956][ T1318] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  161.429840][ T1318] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000
[  161.430729][ T1318] R10: ffffc90001097198 R11: ffffffff992a8918 R12: 1ffff92000212e14
[  161.431634][ T1318] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88801002af08
[  161.432527][ T1318] FS:  00007ffb45efe800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  161.433579][ T1318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.434302][ T1318] CR2: 00000000004a1738 CR3: 000000000fd23001 CR4: 0000000000772ef0
[  161.435186][ T1318] PKRU: 55555554
[  161.435650][ T1318] Call Trace:
[  161.436077][ T1318]  <TASK>
[ 161.436369][ T1318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.436988][ T1318] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.437579][ T1318] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.438306][ T1318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.438904][ T1318] netif_set_mtu (net/core/dev.c:9652) 
[ 161.439488][ T1318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.440077][ T1318] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.440895][ T1318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.441345][ T1318] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.442126][ T1318] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.442789][ T1318] do_set_master (net/core/rtnetlink.c:2948) 
[ 161.443364][ T1318] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.443967][ T1318] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.444568][ T1318] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.445136][ T1318] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.445749][ T1318] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.446342][ T1318] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.446931][ T1318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.447498][ T1318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.448082][ T1318] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.448702][ T1318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.449266][ T1318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.449877][ T1318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.450459][ T1318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.451013][ T1318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.451329][ T1318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.451661][ T1318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.451982][ T1318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.452301][ T1318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.452642][ T1318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.452962][ T1318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.453291][ T1318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.453615][ 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) 
[ 161.453940][ T1318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 161.454260][ T1318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.454607][ T1318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.454949][ T1318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.455284][ T1318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.455628][ T1318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.455966][ T1318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.456300][ T1318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.456641][ T1318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.457055][ T1318] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.457421][ T1318] ___sys_sendmsg (net/socket.c:2670) 
[ 161.457762][ T1318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.458096][ T1318] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.458442][ T1318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.458779][ T1318] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.459117][ T1318] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.459472][ T1318] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.459821][ T1318] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.460172][ T1318] __sys_sendmsg (net/socket.c:2700) 
[ 161.460517][ T1318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.460864][ 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) 
[ 161.461235][ 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) 
[ 161.461569][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.461884][ T1318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.462196][ T1318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.462609][ T1318] RIP: 0033:0x7ffb460cb1e7
[ 161.462935][ 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)
[  161.464070][ T1318] RSP: 002b:00007ffe360ae808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.464558][ T1318] RAX: ffffffffffffffda RBX: 00007ffe360aef30 RCX: 00007ffb460cb1e7
[  161.465029][ T1318] RDX: 0000000000000000 RSI: 00007ffe360ae870 RDI: 0000000000000005
[  161.465517][ T1318] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.465988][ T1318] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe360aef68
[  161.466486][ T1318] R13: 00000000686e3488 R14: 0000000000499600 R15: 0000000000000000
| [  161.626560][ T1320] ------------[ cut here ]------------
| [ 161.626879][ T1320] WARNING: CPU: 3 PID: 1320 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  161.627555][ T1320] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.628714][ T1320] Tainted: [W]=WARN
[  161.628952][ T1320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.629382][ T1320] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 161.629726][ T1320] 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
[  161.630870][ T1320] RSP: 0018:ffffc900010a7080 EFLAGS: 00010246
[  161.631299][ T1320] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  161.631785][ T1320] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  161.632260][ T1320] RBP: ffffc900010a7168 R08: 0000000000000000 R09: 0000000000000000
[  161.632758][ T1320] R10: ffffc900010a7198 R11: ffffffff992a8918 R12: 1ffff92000214e14
[  161.633271][ T1320] R13: 00000000000005dc R14: ffffc900010a7198 R15: ffff88801002af08
[  161.633756][ T1320] FS:  00007fb60938a800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  161.634315][ T1320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.634737][ T1320] CR2: 00000000004a1738 CR3: 000000000a925006 CR4: 0000000000772ef0
[  161.635216][ T1320] PKRU: 55555554
[  161.635461][ T1320] Call Trace:
[  161.635703][ T1320]  <TASK>
[ 161.635870][ T1320] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.636193][ T1320] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.636543][ T1320] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.636954][ T1320] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.637320][ T1320] netif_set_mtu (net/core/dev.c:9652) 
[ 161.637658][ T1320] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.637996][ T1320] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.638475][ T1320] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.638730][ T1320] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.639189][ T1320] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.639574][ T1320] do_set_master (net/core/rtnetlink.c:2948) 
[ 161.639901][ T1320] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.640233][ T1320] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.640569][ T1320] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.640889][ T1320] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.641231][ T1320] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.641607][ T1320] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.641937][ T1320] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.642258][ T1320] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.642595][ T1320] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.642928][ T1320] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.643258][ T1320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.643616][ T1320] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.643952][ T1320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.644286][ T1320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.644617][ T1320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.644940][ T1320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.645296][ T1320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.645640][ T1320] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.645971][ T1320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.646300][ T1320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.646649][ T1320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.646966][ T1320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 161.647352][ T1320] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 161.647896][ T1320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.648463][ T1320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.649003][ T1320] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.649603][ T1320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.650174][ T1320] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.650741][ T1320] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.651338][ T1320] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.651897][ T1320] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.652629][ T1320] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.653192][ T1320] ___sys_sendmsg (net/socket.c:2670) 
[ 161.653781][ T1320] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.654344][ T1320] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.654940][ T1320] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.655518][ T1320] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.656102][ T1320] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.656710][ T1320] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.657276][ T1320] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.657895][ T1320] __sys_sendmsg (net/socket.c:2700) 
[ 161.658477][ T1320] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.659050][ T1320] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 161.659675][ T1320] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.660246][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.660794][ T1320] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.661378][ T1320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.662105][ T1320] RIP: 0033:0x7fb6095571e7
[ 161.662671][ T1320] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.664622][ T1320] RSP: 002b:00007ffd1e157a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.665499][ T1320] RAX: ffffffffffffffda RBX: 00007ffd1e158160 RCX: 00007fb6095571e7
[  161.666356][ T1320] RDX: 0000000000000000 RSI: 00007ffd1e157aa0 RDI: 0000000000000005
[  161.667231][ T1320] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.668086][ T1320] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1e158198
[  161.668951][ T1320] R13: 00000000686e3488 R14: 0000000000499600 R15: 0000000000000000
| [  161.834664][ T1322] ------------[ cut here ]------------
| [ 161.835003][ T1322] WARNING: CPU: 0 PID: 1322 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  161.835701][ T1322] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.836982][ T1322] Tainted: [W]=WARN
[  161.837275][ T1322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.837737][ T1322] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 161.838102][ T1322] 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
[  161.839353][ T1322] RSP: 0018:ffffc90000c47080 EFLAGS: 00010246
[  161.839808][ T1322] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  161.840345][ T1322] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  161.840914][ T1322] RBP: ffffc90000c47168 R08: 0000000000000000 R09: 0000000000000000
[  161.841457][ T1322] R10: ffffc90000c47198 R11: ffffffff992a8918 R12: 1ffff92000188e14
[  161.841998][ T1322] R13: 00000000000005dc R14: ffffc90000c47198 R15: ffff88801002af08
[  161.842544][ T1322] FS:  00007f770984d800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  161.843154][ T1322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.843606][ T1322] CR2: 00000000004a1738 CR3: 000000000caaf003 CR4: 0000000000772ef0
[  161.844121][ T1322] PKRU: 55555554
[  161.844378][ T1322] Call Trace:
[  161.844650][ T1322]  <TASK>
[ 161.844831][ T1322] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.845220][ T1322] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.845580][ T1322] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.846014][ T1322] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.846357][ T1322] netif_set_mtu (net/core/dev.c:9652) 
[ 161.846709][ T1322] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.847071][ T1322] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.847586][ T1322] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.847863][ T1322] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.848344][ T1322] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.848762][ T1322] do_set_master (net/core/rtnetlink.c:2948) 
[ 161.849117][ T1322] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.849480][ T1322] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.849840][ T1322] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.850192][ T1322] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.850550][ T1322] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.850901][ T1322] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.851269][ T1322] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.851632][ T1322] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.851996][ T1322] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.852364][ T1322] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.852742][ T1322] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.853109][ T1322] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.853468][ T1322] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.853883][ T1322] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.854217][ T1322] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.854565][ T1322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.854894][ T1322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.855228][ T1322] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.855567][ T1322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.855903][ T1322] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.856246][ T1322] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.856589][ T1322] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 161.856917][ T1322] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 161.857253][ T1322] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.857595][ T1322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.857978][ T1322] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.858312][ T1322] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.858659][ T1322] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.859008][ T1322] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.859360][ T1322] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.859715][ T1322] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.860130][ T1322] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.860476][ T1322] ___sys_sendmsg (net/socket.c:2670) 
[ 161.860810][ T1322] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.861171][ T1322] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.861549][ T1322] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.861911][ T1322] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.862249][ T1322] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.862592][ T1322] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.862922][ T1322] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.863262][ T1322] __sys_sendmsg (net/socket.c:2700) 
[ 161.863597][ T1322] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.863926][ T1322] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 161.864262][ T1322] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.864625][ T1322] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.864962][ T1322] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.865297][ T1322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.865752][ T1322] RIP: 0033:0x7f7709a1a1e7
[ 161.866195][ T1322] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.867369][ T1322] RSP: 002b:00007ffebdf46f98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.867880][ T1322] RAX: ffffffffffffffda RBX: 00007ffebdf476c0 RCX: 00007f7709a1a1e7
[  161.868367][ T1322] RDX: 0000000000000000 RSI: 00007ffebdf47000 RDI: 0000000000000005
[  161.868862][ T1322] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.869348][ T1322] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffebdf476f8
[  161.869884][ T1322] R13: 00000000686e3488 R14: 0000000000499600 R15: 0000000000000000
| [  162.017294][ T1324] ------------[ cut here ]------------
| [ 162.017745][ T1324] WARNING: CPU: 2 PID: 1324 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.018471][ T1324] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.019763][ T1324] Tainted: [W]=WARN
[  162.020045][ T1324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.020507][ T1324] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.020893][ 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
[  162.022163][ T1324] RSP: 0018:ffffc900010b7080 EFLAGS: 00010246
[  162.022650][ T1324] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  162.023197][ T1324] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  162.023744][ T1324] RBP: ffffc900010b7168 R08: 0000000000000000 R09: 0000000000000000
[  162.024275][ T1324] R10: ffffc900010b7198 R11: ffffffff992a8918 R12: 1ffff92000216e14
[  162.024816][ T1324] R13: 00000000000005dc R14: ffffc900010b7198 R15: ffff88801002af08
[  162.025332][ T1324] FS:  00007f8c65b64800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  162.025995][ T1324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.026473][ T1324] CR2: 00000000004a1738 CR3: 0000000005bb9004 CR4: 0000000000772ef0
[  162.027020][ T1324] PKRU: 55555554
[  162.027301][ T1324] Call Trace:
[  162.027589][ T1324]  <TASK>
[ 162.027788][ T1324] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.028172][ T1324] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.028549][ T1324] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.028992][ T1324] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.029347][ T1324] netif_set_mtu (net/core/dev.c:9652) 
[ 162.029719][ T1324] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.030134][ T1324] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.030659][ T1324] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.030966][ T1324] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.031465][ T1324] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.031875][ T1324] do_set_master (net/core/rtnetlink.c:2948) 
[ 162.032247][ T1324] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.032631][ T1324] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.033002][ T1324] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.033373][ T1324] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.033747][ T1324] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.034108][ T1324] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.034478][ T1324] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.034829][ T1324] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.035194][ T1324] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.035579][ T1324] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.035932][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.036284][ T1324] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.036655][ T1324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.037019][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.037382][ T1324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.037742][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.038103][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.038471][ T1324] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.038816][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.039167][ T1324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.039536][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.039883][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.040246][ T1324] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 162.040599][ T1324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.040961][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.041318][ T1324] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.041682][ T1324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.042030][ T1324] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.042410][ T1324] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.042773][ T1324] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.043136][ T1324] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.043574][ T1324] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.043926][ T1324] ___sys_sendmsg (net/socket.c:2670) 
[ 162.044275][ T1324] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.044628][ T1324] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.044996][ T1324] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.045356][ T1324] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.045722][ T1324] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.046069][ T1324] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.046418][ T1324] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.046785][ T1324] __sys_sendmsg (net/socket.c:2700) 
[ 162.047143][ T1324] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.047605][ T1324] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.047979][ T1324] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.048333][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.048697][ T1324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.049041][ T1324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.049477][ T1324] RIP: 0033:0x7f8c65d311e7
[ 162.049837][ T1324] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.051113][ T1324] RSP: 002b:00007ffc1fe22fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.051622][ T1324] RAX: ffffffffffffffda RBX: 00007ffc1fe23710 RCX: 00007f8c65d311e7
[  162.052124][ T1324] RDX: 0000000000000000 RSI: 00007ffc1fe23050 RDI: 0000000000000005
[  162.052656][ T1324] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.053145][ T1324] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc1fe23748
[  162.053653][ T1324] R13: 00000000686e3488 R14: 0000000000499600 R15: 0000000000000000
| [  162.253388][ T1326] ------------[ cut here ]------------
| [ 162.253759][ T1326] WARNING: CPU: 2 PID: 1326 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.254494][ T1326] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.255715][ T1326] Tainted: [W]=WARN
[  162.255981][ T1326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.256405][ T1326] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.256745][ T1326] 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
[  162.257968][ T1326] RSP: 0018:ffffc900010a7080 EFLAGS: 00010246
[  162.258410][ T1326] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  162.258934][ T1326] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  162.259466][ T1326] RBP: ffffc900010a7168 R08: 0000000000000000 R09: 0000000000000000
[  162.259989][ T1326] R10: ffffc900010a7198 R11: ffffffff992a8918 R12: 1ffff92000214e14
[  162.260531][ T1326] R13: 00000000000005dc R14: ffffc900010a7198 R15: ffff88801002af08
[  162.261066][ T1326] FS:  00007f487bbc9800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  162.261683][ T1326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.262133][ T1326] CR2: 00000000004a1738 CR3: 000000000975d002 CR4: 0000000000772ef0
[  162.262665][ T1326] PKRU: 55555554
[  162.262941][ T1326] Call Trace:
[  162.263205][ T1326]  <TASK>
[ 162.263421][ T1326] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.263787][ T1326] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.264150][ T1326] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.264598][ T1326] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.264946][ T1326] netif_set_mtu (net/core/dev.c:9652) 
[ 162.265296][ T1326] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.265668][ T1326] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.266172][ T1326] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.266452][ T1326] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.266938][ T1326] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.267338][ T1326] do_set_master (net/core/rtnetlink.c:2948) 
[ 162.267700][ T1326] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.268058][ T1326] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.268421][ T1326] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.268790][ T1326] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.269131][ T1326] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.269473][ T1326] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.269813][ T1326] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.270144][ T1326] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.270496][ T1326] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.270835][ T1326] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.271186][ T1326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.271550][ T1326] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.271884][ T1326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.272220][ T1326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.272571][ T1326] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.272912][ T1326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.273262][ T1326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.273609][ T1326] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.273958][ T1326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.274293][ T1326] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.274683][ T1326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.275034][ T1326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.275403][ T1326] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 162.275745][ T1326] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.276079][ T1326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.276426][ T1326] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.276772][ T1326] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.277108][ T1326] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.277467][ T1326] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.277813][ T1326] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.278151][ T1326] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.278588][ T1326] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.278943][ T1326] ___sys_sendmsg (net/socket.c:2670) 
[ 162.279292][ T1326] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.279654][ T1326] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.279998][ T1326] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.280351][ T1326] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.280710][ T1326] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.281076][ T1326] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.281432][ T1326] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.281788][ T1326] __sys_sendmsg (net/socket.c:2700) 
[ 162.282134][ T1326] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.282487][ T1326] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.282837][ T1326] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.283174][ T1326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.283515][ T1326] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.283856][ T1326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.284276][ T1326] RIP: 0033:0x7f487bd961e7
[ 162.284642][ T1326] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.285845][ T1326] RSP: 002b:00007ffe71c0d508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.286355][ T1326] RAX: ffffffffffffffda RBX: 00007ffe71c0dc30 RCX: 00007f487bd961e7
[  162.286865][ T1326] RDX: 0000000000000000 RSI: 00007ffe71c0d570 RDI: 0000000000000005
[  162.287372][ T1326] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.287904][ T1326] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe71c0dc68
[  162.288421][ T1326] R13: 00000000686e3488 R14: 0000000000499600 R15: 0000000000000000
| [  162.447896][ T1328] ------------[ cut here ]------------
| [ 162.448276][ T1328] WARNING: CPU: 2 PID: 1328 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.449082][ T1328] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.450379][ T1328] Tainted: [W]=WARN
[  162.450674][ T1328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.451144][ T1328] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.451533][ T1328] 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
[  162.452806][ T1328] RSP: 0018:ffffc900010c7080 EFLAGS: 00010246
[  162.453280][ T1328] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  162.453861][ T1328] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  162.454417][ T1328] RBP: ffffc900010c7168 R08: 0000000000000000 R09: 0000000000000000
[  162.454947][ T1328] R10: ffffc900010c7198 R11: ffffffff992a8918 R12: 1ffff92000218e14
[  162.455495][ T1328] R13: 00000000000005dc R14: ffffc900010c7198 R15: ffff88801002af08
[  162.456020][ T1328] FS:  00007fc426ee9800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  162.456642][ T1328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.457087][ T1328] CR2: 00000000004a1738 CR3: 000000000bc86005 CR4: 0000000000772ef0
[  162.457631][ T1328] PKRU: 55555554
[  162.457904][ T1328] Call Trace:
[  162.458180][ T1328]  <TASK>
[ 162.458386][ T1328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.458790][ T1328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.459176][ T1328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.459651][ T1328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.460020][ T1328] netif_set_mtu (net/core/dev.c:9652) 
[ 162.460382][ T1328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.460766][ T1328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.461308][ T1328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.461603][ T1328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.462099][ T1328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.462552][ T1328] do_set_master (net/core/rtnetlink.c:2948) 
[ 162.462937][ T1328] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.463318][ T1328] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.463715][ T1328] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.464075][ T1328] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.464444][ T1328] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.464823][ T1328] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.465201][ T1328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.465588][ T1328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.465977][ T1328] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.466359][ T1328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.466755][ T1328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.467144][ T1328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.467531][ T1328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.467916][ T1328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.468288][ T1328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.468690][ T1328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.469074][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.469483][ T1328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.469898][ T1328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.470280][ T1328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.470682][ T1328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.471057][ T1328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.471432][ T1328] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 162.471809][ T1328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.472179][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.472560][ T1328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.472956][ T1328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.473343][ T1328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.473751][ T1328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.474130][ T1328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.474531][ T1328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.474995][ T1328] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.475385][ T1328] ___sys_sendmsg (net/socket.c:2670) 
[ 162.475776][ T1328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.476145][ T1328] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.476531][ T1328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.476896][ T1328] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.477286][ T1328] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.477675][ T1328] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.478050][ T1328] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.478444][ T1328] __sys_sendmsg (net/socket.c:2700) 
[ 162.478833][ T1328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.479193][ T1328] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.479581][ T1328] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.479966][ T1328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.480356][ T1328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.480740][ T1328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.481230][ T1328] RIP: 0033:0x7fc4270b61e7
[ 162.481626][ T1328] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.482924][ T1328] RSP: 002b:00007ffff06f7078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.483483][ T1328] RAX: ffffffffffffffda RBX: 00007ffff06f77a0 RCX: 00007fc4270b61e7
[  162.484032][ T1328] RDX: 0000000000000000 RSI: 00007ffff06f70e0 RDI: 0000000000000005
[  162.484575][ T1328] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.485134][ T1328] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff06f77d8
[  162.485688][ T1328] R13: 00000000686e3489 R14: 0000000000499600 R15: 0000000000000000
| [  162.666220][ T1330] ------------[ cut here ]------------
| [ 162.666788][ T1330] WARNING: CPU: 2 PID: 1330 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.667632][ T1330] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.669148][ T1330] Tainted: [W]=WARN
[  162.669514][ T1330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.670045][ T1330] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.670515][ T1330] 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
[  162.672032][ T1330] RSP: 0018:ffffc90001027080 EFLAGS: 00010246
[  162.672667][ T1330] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  162.673314][ T1330] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  162.674008][ T1330] RBP: ffffc90001027168 R08: 0000000000000000 R09: 0000000000000000
[  162.674985][ T1330] R10: ffffc90001027198 R11: ffffffff992a8918 R12: 1ffff92000204e14
[  162.675631][ T1330] R13: 00000000000005dc R14: ffffc90001027198 R15: ffff88801002af08
[  162.676236][ T1330] FS:  00007f22c05e9800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  162.677515][ T1330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.678126][ T1330] CR2: 00000000004a1738 CR3: 000000000255c001 CR4: 0000000000772ef0
[  162.678838][ T1330] PKRU: 55555554
[  162.679562][ T1330] Call Trace:
[  162.679909][ T1330]  <TASK>
[ 162.680177][ T1330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.680630][ T1330] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.681058][ T1330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.681617][ T1330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.682113][ T1330] netif_set_mtu (net/core/dev.c:9652) 
[ 162.682631][ T1330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.683097][ T1330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.683727][ T1330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.684073][ T1330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.684752][ T1330] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.685279][ T1330] do_set_master (net/core/rtnetlink.c:2948) 
[ 162.685775][ T1330] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.686198][ T1330] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.686646][ T1330] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.687078][ T1330] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.687512][ T1330] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.687941][ T1330] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.688376][ T1330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.688764][ T1330] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.689220][ T1330] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.689714][ T1330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.690446][ T1330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.690860][ T1330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.691234][ T1330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.691627][ T1330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.691991][ T1330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.692358][ T1330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.692747][ T1330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.693138][ T1330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.693547][ T1330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.693944][ T1330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.694343][ T1330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.694730][ T1330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.695082][ T1330] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 162.695503][ T1330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.696166][ T1330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.696620][ T1330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.697031][ T1330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.697737][ T1330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.698153][ T1330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.698575][ T1330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.698924][ T1330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.699645][ T1330] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.700025][ T1330] ___sys_sendmsg (net/socket.c:2670) 
[ 162.700381][ T1330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.700737][ T1330] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.701359][ T1330] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.701767][ T1330] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.702158][ T1330] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.702549][ T1330] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.703163][ T1330] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.703565][ T1330] __sys_sendmsg (net/socket.c:2700) 
[ 162.703940][ T1330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.704302][ T1330] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.704969][ T1330] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.705359][ T1330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.705765][ T1330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.706141][ T1330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.706891][ T1330] RIP: 0033:0x7f22c07b61e7
[ 162.707286][ T1330] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.708989][ T1330] RSP: 002b:00007ffc4e8049d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.709613][ T1330] RAX: ffffffffffffffda RBX: 00007ffc4e805100 RCX: 00007f22c07b61e7
[  162.710480][ T1330] RDX: 0000000000000000 RSI: 00007ffc4e804a40 RDI: 0000000000000005
[  162.711325][ T1330] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.711835][ T1330] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4e805138
[  162.712618][ T1330] R13: 00000000686e3489 R14: 0000000000499600 R15: 0000000000000000
| [  162.900486][ T1332] ------------[ cut here ]------------
| [ 162.900841][ T1332] WARNING: CPU: 1 PID: 1332 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.901713][ T1332] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.902920][ T1332] Tainted: [W]=WARN
[  162.903183][ T1332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.903611][ T1332] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.903960][ T1332] 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
[  162.905164][ T1332] RSP: 0018:ffffc90000fe7080 EFLAGS: 00010246
[  162.905592][ T1332] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  162.906091][ T1332] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  162.906630][ T1332] RBP: ffffc90000fe7168 R08: 0000000000000000 R09: 0000000000000000
[  162.907150][ T1332] R10: ffffc90000fe7198 R11: ffffffff992a8918 R12: 1ffff920001fce14
[  162.907655][ T1332] R13: 00000000000005dc R14: ffffc90000fe7198 R15: ffff88801002af08
[  162.908154][ T1332] FS:  00007f51a6f0f800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  162.908757][ T1332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.909178][ T1332] CR2: 00000000004a1738 CR3: 000000000c099005 CR4: 0000000000772ef0
[  162.909692][ T1332] PKRU: 55555554
[  162.909950][ T1332] Call Trace:
[  162.910202][ T1332]  <TASK>
[ 162.910376][ T1332] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.910731][ T1332] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.911079][ T1332] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.911503][ T1332] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.911837][ T1332] netif_set_mtu (net/core/dev.c:9652) 
[ 162.912167][ T1332] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.912533][ T1332] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.913052][ T1332] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.913291][ T1332] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.913744][ T1332] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.914104][ T1332] do_set_master (net/core/rtnetlink.c:2948) 
[ 162.914428][ T1332] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.914749][ T1332] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.915066][ T1332] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.915377][ T1332] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.915706][ T1332] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.916023][ T1332] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.916340][ T1332] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.916673][ T1332] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.917004][ T1332] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.917328][ T1332] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.917668][ T1332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.917994][ T1332] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.918304][ T1332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.918629][ T1332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.918966][ T1332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.919299][ T1332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.919631][ T1332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.919950][ T1332] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.920265][ T1332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.920600][ T1332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.920948][ T1332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.921266][ T1332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.921599][ T1332] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 162.921921][ T1332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.922233][ T1332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.922568][ T1332] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.922898][ T1332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.923219][ T1332] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.923554][ T1332] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.923882][ T1332] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.924193][ T1332] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.924616][ T1332] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.924945][ T1332] ___sys_sendmsg (net/socket.c:2670) 
[ 162.925264][ T1332] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.925598][ T1332] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.925920][ T1332] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.926233][ T1332] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.926562][ T1332] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.926891][ T1332] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.927218][ T1332] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.927576][ T1332] __sys_sendmsg (net/socket.c:2700) 
[ 162.927912][ T1332] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.928230][ T1332] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.928575][ T1332] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.928893][ T1332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.929209][ T1332] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.929545][ T1332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.929937][ T1332] RIP: 0033:0x7f51a70dc1e7
[ 162.930263][ T1332] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.931413][ T1332] RSP: 002b:00007ffe73a52248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.931893][ T1332] RAX: ffffffffffffffda RBX: 00007ffe73a52970 RCX: 00007f51a70dc1e7
[  162.932369][ T1332] RDX: 0000000000000000 RSI: 00007ffe73a522b0 RDI: 0000000000000005
[  162.932873][ T1332] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.933356][ T1332] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe73a529a8
[  162.933884][ T1332] R13: 00000000686e3489 R14: 0000000000499600 R15: 0000000000000000
| [  163.097824][ T1335] ------------[ cut here ]------------
| [ 163.098162][ 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) 
| [  163.098898][ T1335] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.100145][ T1335] Tainted: [W]=WARN
[  163.100422][ T1335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.100865][ 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) 
[ 163.101223][ 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
[  163.102446][ T1335] RSP: 0018:ffffc90000fe7080 EFLAGS: 00010246
[  163.102888][ T1335] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  163.103413][ T1335] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  163.103932][ T1335] RBP: ffffc90000fe7168 R08: 0000000000000000 R09: 0000000000000000
[  163.104459][ T1335] R10: ffffc90000fe7198 R11: ffffffff992a8918 R12: 1ffff920001fce14
[  163.104969][ T1335] R13: 00000000000005dc R14: ffffc90000fe7198 R15: ffff88801002af08
[  163.105486][ T1335] FS:  00007f31ac721800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  163.106075][ T1335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.106517][ T1335] CR2: 00007fa5238c9e80 CR3: 000000000c957005 CR4: 0000000000772ef0
[  163.107029][ T1335] PKRU: 55555554
[  163.107285][ T1335] Call Trace:
[  163.107548][ T1335]  <TASK>
[ 163.107728][ T1335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.108076][ T1335] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.108436][ T1335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.108871][ T1335] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.109225][ T1335] netif_set_mtu (net/core/dev.c:9652) 
[ 163.109580][ T1335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.109928][ T1335] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.110419][ T1335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.110677][ T1335] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.111155][ T1335] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.111546][ T1335] do_set_master (net/core/rtnetlink.c:2948) 
[ 163.111886][ T1335] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.112227][ T1335] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.112580][ T1335] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.112916][ T1335] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.113730][ T1335] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.114077][ T1335] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.114894][ T1335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.115231][ T1335] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.115585][ T1335] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.115935][ T1335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.116279][ T1335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.116792][ T1335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.117141][ T1335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.117497][ T1335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.117832][ T1335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.118166][ T1335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.118519][ T1335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.119089][ T1335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.119439][ T1335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.119778][ T1335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.120131][ T1335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.120464][ 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) 
[ 163.120794][ T1335] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 163.121141][ T1335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.121489][ T1335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.121830][ T1335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.122171][ T1335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.122532][ T1335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.123342][ T1335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.123698][ T1335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.124042][ T1335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.124513][ T1335] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.125086][ T1335] ___sys_sendmsg (net/socket.c:2670) 
[ 163.125681][ T1335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.126082][ T1335] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.126464][ T1335] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.126801][ T1335] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.127149][ T1335] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.127734][ T1335] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.128074][ T1335] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.128470][ T1335] __sys_sendmsg (net/socket.c:2700) 
[ 163.128819][ T1335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.129180][ 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) 
[ 163.129540][ 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) 
[ 163.129885][ T1335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.130250][ T1335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.130602][ T1335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.131044][ T1335] RIP: 0033:0x7f31ac8ee1e7
[ 163.131415][ 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)
[  163.133146][ T1335] RSP: 002b:00007ffe1e69e288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.133906][ T1335] RAX: ffffffffffffffda RBX: 00007ffe1e69e9b0 RCX: 00007f31ac8ee1e7
[  163.134455][ T1335] RDX: 0000000000000000 RSI: 00007ffe1e69e2f0 RDI: 0000000000000005
[  163.134955][ T1335] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.135501][ T1335] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe1e69e9e8
[  163.136000][ T1335] R13: 00000000686e3489 R14: 0000000000499600 R15: 0000000000000000
| [  163.300616][ T1336] ------------[ cut here ]------------
| [ 163.300991][ T1336] WARNING: CPU: 1 PID: 1336 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.302010][ T1336] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.303361][ T1336] Tainted: [W]=WARN
[  163.303767][ T1336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.304176][ T1336] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.304678][ T1336] 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
[  163.305980][ T1336] RSP: 0018:ffffc90000fe7080 EFLAGS: 00010246
[  163.306433][ T1336] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  163.306935][ T1336] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  163.307437][ T1336] RBP: ffffc90000fe7168 R08: 0000000000000000 R09: 0000000000000000
[  163.307933][ T1336] R10: ffffc90000fe7198 R11: ffffffff992a8918 R12: 1ffff920001fce14
[  163.308470][ T1336] R13: 00000000000005dc R14: ffffc90000fe7198 R15: ffff88801002af08
[  163.308971][ T1336] FS:  00007fce62caa800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  163.309590][ T1336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.310017][ T1336] CR2: 00000000004a1738 CR3: 0000000009b24003 CR4: 0000000000772ef0
[  163.310551][ T1336] PKRU: 55555554
[  163.310805][ T1336] Call Trace:
[  163.311067][ T1336]  <TASK>
[ 163.311251][ T1336] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.311616][ T1336] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.311955][ T1336] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.312402][ T1336] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.312746][ T1336] netif_set_mtu (net/core/dev.c:9652) 
[ 163.313084][ T1336] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.313476][ T1336] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.313956][ T1336] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.314212][ T1336] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.314679][ T1336] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.315073][ T1336] do_set_master (net/core/rtnetlink.c:2948) 
[ 163.315421][ T1336] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.315758][ T1336] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.316108][ T1336] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.316460][ T1336] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.316794][ T1336] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.317135][ T1336] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.317487][ T1336] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.317851][ T1336] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.318208][ T1336] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.318567][ T1336] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.318905][ T1336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.319251][ T1336] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.319593][ T1336] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.319931][ T1336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.320287][ T1336] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.320638][ T1336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.321008][ T1336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.321351][ T1336] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.321719][ T1336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.322064][ T1336] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.322459][ T1336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.322803][ T1336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.323140][ T1336] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 163.323488][ T1336] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.323834][ T1336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.324202][ T1336] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.324575][ T1336] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.324910][ T1336] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.325280][ T1336] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.325638][ T1336] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.325978][ T1336] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.326412][ T1336] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.326753][ T1336] ___sys_sendmsg (net/socket.c:2670) 
[ 163.327086][ T1336] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.327428][ T1336] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.327785][ T1336] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.328122][ T1336] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.328491][ T1336] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.328851][ T1336] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.329183][ T1336] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.329555][ T1336] __sys_sendmsg (net/socket.c:2700) 
[ 163.329878][ T1336] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.330210][ T1336] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 163.330560][ T1336] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 163.330882][ T1336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.331227][ T1336] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.331556][ T1336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.331946][ T1336] RIP: 0033:0x7fce62e771e7
[ 163.332282][ T1336] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  163.333461][ T1336] RSP: 002b:00007ffe9aec5588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.333936][ T1336] RAX: ffffffffffffffda RBX: 00007ffe9aec5cb0 RCX: 00007fce62e771e7
[  163.334431][ T1336] RDX: 0000000000000000 RSI: 00007ffe9aec55f0 RDI: 0000000000000005
[  163.334928][ T1336] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.335411][ T1336] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9aec5ce8
[  163.335882][ T1336] R13: 00000000686e3489 R14: 0000000000499600 R15: 0000000000000000
| [  163.508157][ T1338] ------------[ cut here ]------------
| [ 163.508591][ T1338] WARNING: CPU: 0 PID: 1338 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.509297][ T1338] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.510756][ T1338] Tainted: [W]=WARN
[  163.511094][ T1338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.511606][ T1338] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.512029][ T1338] 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
[  163.513550][ T1338] RSP: 0018:ffffc900010e7080 EFLAGS: 00010246
[  163.514122][ T1338] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  163.514788][ T1338] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  163.515486][ T1338] RBP: ffffc900010e7168 R08: 0000000000000000 R09: 0000000000000000
[  163.516144][ T1338] R10: ffffc900010e7198 R11: ffffffff992a8918 R12: 1ffff9200021ce14
[  163.516765][ T1338] R13: 00000000000005dc R14: ffffc900010e7198 R15: ffff88801002af08
[  163.517419][ T1338] FS:  00007f76dfbe1800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  163.518124][ T1338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.518597][ T1338] CR2: 00007fa5234dc120 CR3: 000000000603e002 CR4: 0000000000772ef0
[  163.519198][ T1338] PKRU: 55555554
[  163.519529][ T1338] Call Trace:
[  163.519818][ T1338]  <TASK>
[ 163.520016][ T1338] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.520408][ T1338] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.520772][ T1338] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.521270][ T1338] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.521638][ T1338] netif_set_mtu (net/core/dev.c:9652) 
[ 163.522035][ T1338] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.522482][ T1338] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.523043][ T1338] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.523318][ T1338] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.523809][ T1338] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.524211][ T1338] do_set_master (net/core/rtnetlink.c:2948) 
[ 163.524579][ T1338] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.524928][ T1338] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.525280][ T1338] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.525637][ T1338] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.526055][ T1338] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.526506][ T1338] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.526908][ T1338] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.527328][ T1338] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.527805][ T1338] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.528262][ T1338] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.528750][ T1338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.529175][ T1338] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.529600][ T1338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.530044][ T1338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.530472][ T1338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.530855][ T1338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.531259][ T1338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.531671][ T1338] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.532067][ T1338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.532478][ T1338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.532878][ T1338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.533266][ T1338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.533685][ T1338] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 163.534089][ T1338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.534480][ T1338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.534852][ T1338] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.535284][ T1338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.535719][ T1338] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.536188][ T1338] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.536684][ T1338] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.537126][ T1338] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.537668][ T1338] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.538087][ T1338] ___sys_sendmsg (net/socket.c:2670) 
[ 163.538525][ T1338] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.538944][ T1338] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.539363][ T1338] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.539744][ T1338] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.540131][ T1338] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.540546][ T1338] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.540961][ T1338] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.541377][ T1338] __sys_sendmsg (net/socket.c:2700) 
[ 163.541776][ T1338] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.542137][ T1338] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 163.542565][ T1338] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 163.542915][ T1338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.543282][ T1338] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.543657][ T1338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.544185][ T1338] RIP: 0033:0x7f76dfdae1e7
[ 163.544601][ T1338] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  163.546335][ T1338] RSP: 002b:00007fff4d6fe088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.547386][ T1338] RAX: ffffffffffffffda RBX: 00007fff4d6fe7b0 RCX: 00007f76dfdae1e7
[  163.548053][ T1338] RDX: 0000000000000000 RSI: 00007fff4d6fe0f0 RDI: 0000000000000005
[  163.548982][ T1338] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.549689][ T1338] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff4d6fe7e8
[  163.550663][ T1338] R13: 00000000686e348a R14: 0000000000499600 R15: 0000000000000000
| [  163.735137][ T1341] ------------[ cut here ]------------
| [ 163.735749][ T1341] WARNING: CPU: 2 PID: 1341 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.736907][ T1341] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.739091][ T1341] Tainted: [W]=WARN
[  163.739580][ T1341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.740336][ T1341] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.741001][ T1341] 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
[  163.743147][ T1341] RSP: 0018:ffffc900010c7080 EFLAGS: 00010246
[  163.743917][ T1341] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  163.744822][ T1341] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  163.745722][ T1341] RBP: ffffc900010c7168 R08: 0000000000000000 R09: 0000000000000000
[  163.746637][ T1341] R10: ffffc900010c7198 R11: ffffffff992a8918 R12: 1ffff92000218e14
[  163.747531][ T1341] R13: 00000000000005dc R14: ffffc900010c7198 R15: ffff88801002af08
[  163.748407][ T1341] FS:  00007fa6d2464800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  163.749457][ T1341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.750203][ T1341] CR2: 00007fa5238c9e80 CR3: 000000000aa71005 CR4: 0000000000772ef0
[  163.751121][ T1341] PKRU: 55555554
[  163.751611][ T1341] Call Trace:
[  163.752055][ T1341]  <TASK>
[ 163.752368][ T1341] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.752992][ T1341] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.753616][ T1341] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.754335][ T1341] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.754952][ T1341] netif_set_mtu (net/core/dev.c:9652) 
[ 163.755591][ T1341] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.756219][ T1341] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.756992][ T1341] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.757362][ T1341] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.757922][ T1341] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.758378][ T1341] do_set_master (net/core/rtnetlink.c:2948) 
[ 163.758759][ T1341] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.759106][ T1341] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.759475][ T1341] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.759832][ T1341] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.760174][ T1341] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.760537][ T1341] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.760909][ T1341] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.761316][ T1341] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.761805][ T1341] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.762494][ T1341] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.763098][ T1341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.763510][ T1341] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.763900][ T1341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.764257][ T1341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.764625][ T1341] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.765131][ T1341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.765745][ T1341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.766328][ T1341] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.766967][ T1341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.767615][ T1341] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.768202][ T1341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.768819][ T1341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.769440][ T1341] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 163.770059][ T1341] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.770700][ T1341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.771336][ T1341] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.771977][ T1341] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.772629][ T1341] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.773241][ T1341] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.773862][ T1341] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.774466][ T1341] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.775227][ T1341] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.775865][ T1341] ___sys_sendmsg (net/socket.c:2670) 
[ 163.776510][ T1341] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.777102][ T1341] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.777723][ T1341] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.778302][ T1341] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.778725][ T1341] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.779153][ T1341] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.779527][ T1341] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.779928][ T1341] __sys_sendmsg (net/socket.c:2700) 
[ 163.780290][ T1341] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.780669][ T1341] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 163.781055][ T1341] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 163.781443][ T1341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.781817][ T1341] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.782168][ T1341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.782609][ T1341] RIP: 0033:0x7fa6d26311e7
[ 163.782986][ T1341] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  163.784235][ T1341] RSP: 002b:00007ffc763324e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.784780][ T1341] RAX: ffffffffffffffda RBX: 00007ffc76332c10 RCX: 00007fa6d26311e7
[  163.785283][ T1341] RDX: 0000000000000000 RSI: 00007ffc76332550 RDI: 0000000000000005
[  163.785874][ T1341] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.786375][ T1341] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc76332c48
[  163.786960][ T1341] R13: 00000000686e348a R14: 0000000000499600 R15: 0000000000000000
| [  163.978897][ T1342] ------------[ cut here ]------------
| [ 163.979272][ T1342] WARNING: CPU: 1 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) 
| [  163.979982][ T1342] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.981329][ T1342] Tainted: [W]=WARN
[  163.981728][ T1342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.982145][ 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) 
[ 163.982645][ 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
[  163.983990][ T1342] RSP: 0018:ffffc900010c7080 EFLAGS: 00010246
[  163.984572][ T1342] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  163.985135][ T1342] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  163.985663][ T1342] RBP: ffffc900010c7168 R08: 0000000000000000 R09: 0000000000000000
[  163.986165][ T1342] R10: ffffc900010c7198 R11: ffffffff992a8918 R12: 1ffff92000218e14
[  163.986687][ T1342] R13: 00000000000005dc R14: ffffc900010c7198 R15: ffff88801002af08
[  163.987181][ T1342] FS:  00007f689a7af800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  163.987794][ T1342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.988219][ T1342] CR2: 00000000004a1738 CR3: 000000000f5fd004 CR4: 0000000000772ef0
[  163.988768][ T1342] PKRU: 55555554
[  163.989019][ T1342] Call Trace:
[  163.989275][ T1342]  <TASK>
[ 163.989460][ T1342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.989818][ T1342] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.990157][ T1342] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.990588][ T1342] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.990937][ T1342] netif_set_mtu (net/core/dev.c:9652) 
[ 163.991300][ T1342] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.991663][ T1342] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.992153][ T1342] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.992434][ T1342] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.992907][ T1342] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.993303][ T1342] do_set_master (net/core/rtnetlink.c:2948) 
[ 163.993664][ T1342] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.994005][ T1342] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.994344][ T1342] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.994690][ T1342] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.995039][ T1342] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.995372][ T1342] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.995729][ T1342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.996058][ T1342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.996419][ T1342] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.996763][ T1342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.997100][ T1342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.997455][ T1342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.997786][ T1342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.998118][ T1342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.998457][ T1342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.998800][ T1342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.999138][ T1342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.999486][ T1342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.999819][ T1342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.000151][ T1342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.000506][ T1342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.000836][ T1342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 164.001215][ T1342] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.001545][ T1342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.001860][ T1342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.002178][ T1342] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.002504][ T1342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.002817][ T1342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.003142][ T1342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.003471][ T1342] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.003789][ T1342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.004185][ T1342] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.004520][ T1342] ___sys_sendmsg (net/socket.c:2670) 
[ 164.004863][ T1342] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.005190][ T1342] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.005516][ T1342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.005836][ T1342] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.006167][ T1342] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.006499][ T1342] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.006823][ T1342] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.007154][ T1342] __sys_sendmsg (net/socket.c:2700) 
[ 164.007488][ T1342] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.007808][ T1342] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 164.008144][ T1342] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 164.008475][ T1342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.008809][ T1342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.009129][ T1342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.009541][ T1342] RIP: 0033:0x7f689a97c1e7
[ 164.009879][ T1342] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.011062][ T1342] RSP: 002b:00007ffdfc88eed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.011553][ T1342] RAX: ffffffffffffffda RBX: 00007ffdfc88f600 RCX: 00007f689a97c1e7
[  164.012040][ T1342] RDX: 0000000000000000 RSI: 00007ffdfc88ef40 RDI: 0000000000000005
[  164.012540][ T1342] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.013047][ T1342] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdfc88f638
[  164.013529][ T1342] R13: 00000000686e348a R14: 0000000000499600 R15: 0000000000000000
| [  164.167878][ T1345] ------------[ cut here ]------------
| [ 164.168215][ 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) 
| [  164.168975][ T1345] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.170201][ T1345] Tainted: [W]=WARN
[  164.170470][ T1345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.170898][ 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) 
[ 164.171269][ 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
[  164.172481][ T1345] RSP: 0018:ffffc90000c47080 EFLAGS: 00010246
[  164.172916][ T1345] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  164.173434][ T1345] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  164.173954][ T1345] RBP: ffffc90000c47168 R08: 0000000000000000 R09: 0000000000000000
[  164.174471][ T1345] R10: ffffc90000c47198 R11: ffffffff992a8918 R12: 1ffff92000188e14
[  164.174983][ T1345] R13: 00000000000005dc R14: ffffc90000c47198 R15: ffff88801002af08
[  164.175501][ T1345] FS:  00007fcebd43f800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  164.176098][ T1345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.176530][ T1345] CR2: 00000000004a1738 CR3: 00000000050c5006 CR4: 0000000000772ef0
[  164.177015][ T1345] PKRU: 55555554
[  164.177267][ T1345] Call Trace:
[  164.177526][ T1345]  <TASK>
[ 164.177702][ T1345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.178051][ T1345] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.178406][ T1345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.178826][ T1345] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.179168][ T1345] netif_set_mtu (net/core/dev.c:9652) 
[ 164.179515][ T1345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.180076][ T1345] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.180934][ T1345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.181413][ T1345] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.182192][ T1345] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.182595][ T1345] do_set_master (net/core/rtnetlink.c:2948) 
[ 164.182943][ T1345] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.183281][ T1345] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.183629][ T1345] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.184204][ T1345] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.184772][ T1345] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.185100][ T1345] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.185450][ T1345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.185795][ T1345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.186126][ T1345] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.186527][ T1345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.186891][ T1345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.187711][ T1345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.188057][ T1345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.188409][ T1345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.188743][ T1345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.189090][ T1345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.189473][ T1345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.189794][ T1345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.190110][ T1345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.190442][ T1345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.190817][ T1345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.191168][ 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) 
[ 164.191539][ T1345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.191885][ T1345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.192691][ T1345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.193033][ T1345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.193430][ T1345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.193778][ T1345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.195052][ T1345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.195403][ T1345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.195731][ T1345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.196368][ T1345] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.196724][ T1345] ___sys_sendmsg (net/socket.c:2670) 
[ 164.197064][ T1345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.197410][ T1345] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.197753][ T1345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.198085][ T1345] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.198433][ T1345] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.198765][ T1345] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.199100][ T1345] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.199466][ T1345] __sys_sendmsg (net/socket.c:2700) 
[ 164.199846][ T1345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.200185][ 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) 
[ 164.200547][ 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) 
[ 164.200880][ T1345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.201236][ T1345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.201817][ T1345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.202238][ T1345] RIP: 0033:0x7fcebd60c1e7
[ 164.202609][ 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)
[  164.204059][ T1345] RSP: 002b:00007ffe6247f8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.204577][ T1345] RAX: ffffffffffffffda RBX: 00007ffe62480000 RCX: 00007fcebd60c1e7
[  164.205314][ T1345] RDX: 0000000000000000 RSI: 00007ffe6247f940 RDI: 0000000000000005
[  164.205823][ T1345] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.206576][ T1345] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe62480038
[  164.207101][ T1345] R13: 00000000686e348a R14: 0000000000499600 R15: 0000000000000000
| [  164.400002][ T1346] ------------[ cut here ]------------
| [ 164.400410][ T1346] WARNING: CPU: 2 PID: 1346 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  164.401163][ T1346] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.402631][ T1346] Tainted: [W]=WARN
[  164.402917][ T1346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.403381][ T1346] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 164.403819][ T1346] 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
[  164.405148][ T1346] RSP: 0018:ffffc90001117080 EFLAGS: 00010246
[  164.405648][ T1346] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  164.406220][ T1346] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  164.406798][ T1346] RBP: ffffc90001117168 R08: 0000000000000000 R09: 0000000000000000
[  164.407360][ T1346] R10: ffffc90001117198 R11: ffffffff992a8918 R12: 1ffff92000222e14
[  164.407948][ T1346] R13: 00000000000005dc R14: ffffc90001117198 R15: ffff88801002af08
[  164.408527][ T1346] FS:  00007fd04dd96800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  164.409212][ T1346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.409699][ T1346] CR2: 00007fd04dfaa5c0 CR3: 000000000c3ce003 CR4: 0000000000772ef0
[  164.410287][ T1346] PKRU: 55555554
[  164.410591][ T1346] Call Trace:
[  164.410885][ T1346]  <TASK>
[ 164.411129][ T1346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.411553][ T1346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.411948][ T1346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.412441][ T1346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.412834][ T1346] netif_set_mtu (net/core/dev.c:9652) 
[ 164.413226][ T1346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.413633][ T1346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.414173][ T1346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.414488][ T1346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.415005][ T1346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.415448][ T1346] do_set_master (net/core/rtnetlink.c:2948) 
[ 164.415852][ T1346] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.416204][ T1346] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.416571][ T1346] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.416912][ T1346] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.417323][ T1346] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.417923][ T1346] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.418523][ T1346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.419093][ T1346] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.419716][ T1346] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.420347][ T1346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.420992][ T1346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.421624][ T1346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.422231][ T1346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.422851][ T1346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.423466][ T1346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.424064][ T1346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.424683][ T1346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.425280][ T1346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.425737][ T1346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.426090][ T1346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.426450][ T1346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.426788][ T1346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 164.427124][ T1346] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.427471][ T1346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.427803][ T1346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.428151][ T1346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.428496][ T1346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.428845][ T1346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.429211][ T1346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.429584][ T1346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.429915][ T1346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.430337][ T1346] ___sys_sendmsg (net/socket.c:2670) 
[ 164.430692][ T1346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.431047][ T1346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 164.431522][ T1346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 164.431981][ T1346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 164.432419][ T1346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.432781][ T1346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.433132][ T1346] __sys_sendmsg (net/socket.c:2700) 
[ 164.433604][ T1346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.433977][ T1346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.434338][ T1346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.434710][ T1346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.435126][ T1346] RIP: 0033:0x7fd04df631e7
[ 164.435512][ T1346] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.436705][ T1346] RSP: 002b:00007ffd759c1668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.437207][ T1346] RAX: ffffffffffffffda RBX: 00007ffd759c1d90 RCX: 00007fd04df631e7
[  164.437826][ T1346] RDX: 0000000000000000 RSI: 00007ffd759c16d0 RDI: 0000000000000005
[  164.438354][ T1346] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.438867][ T1346] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd759c1dc8
[  164.439381][ T1346] R13: 00000000686e348b R14: 0000000000499600 R15: 0000000000000000
| [  164.659290][ T1348] ------------[ cut here ]------------
| [ 164.659647][ T1348] WARNING: CPU: 1 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) 
| [  164.660325][ T1348] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.661805][ T1348] Tainted: [W]=WARN
[  164.662047][ T1348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.662597][ 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) 
[ 164.662928][ 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
[  164.664213][ T1348] RSP: 0018:ffffc90001117080 EFLAGS: 00010246
[  164.664794][ T1348] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  164.665277][ T1348] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  164.665913][ T1348] RBP: ffffc90001117168 R08: 0000000000000000 R09: 0000000000000000
[  164.666548][ T1348] R10: ffffc90001117198 R11: ffffffff992a8918 R12: 1ffff92000222e14
[  164.667025][ T1348] R13: 00000000000005dc R14: ffffc90001117198 R15: ffff88801002af08
[  164.667654][ T1348] FS:  00007fab6f661800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  164.668215][ T1348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.668778][ T1348] CR2: 00007fa5234c07b0 CR3: 000000000f551006 CR4: 0000000000772ef0
[  164.669252][ T1348] PKRU: 55555554
[  164.669644][ T1348] Call Trace:
[  164.669884][ T1348]  <TASK>
[ 164.670048][ T1348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.670369][ T1348] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.670838][ T1348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.671250][ T1348] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.671723][ T1348] netif_set_mtu (net/core/dev.c:9652) 
[ 164.672039][ T1348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.672363][ T1348] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.672957][ T1348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.673198][ T1348] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.673785][ T1348] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.674148][ T1348] do_set_master (net/core/rtnetlink.c:2948) 
[ 164.674540][ T1348] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.674862][ T1348] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.675181][ T1348] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.675503][ T1348] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.675820][ T1348] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.676134][ T1348] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.676464][ T1348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.676776][ T1348] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.677101][ T1348] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.677447][ T1348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.677770][ T1348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.678101][ T1348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.678426][ T1348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.678751][ T1348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.679064][ T1348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.679379][ T1348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.679715][ T1348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.680033][ T1348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.680350][ T1348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.680678][ T1348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.681013][ T1348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.681324][ 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) 
[ 164.681652][ T1348] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.681975][ T1348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.682291][ T1348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.682624][ T1348] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.682943][ T1348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.683255][ T1348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.683586][ T1348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.683904][ T1348] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.684224][ T1348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.684633][ T1348] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.684966][ T1348] ___sys_sendmsg (net/socket.c:2670) 
[ 164.685283][ T1348] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.685605][ T1348] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.685924][ T1348] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.686251][ T1348] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.686581][ T1348] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.686894][ T1348] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.687204][ T1348] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.687543][ T1348] __sys_sendmsg (net/socket.c:2700) 
[ 164.687863][ T1348] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.688179][ 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) 
[ 164.688520][ 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) 
[ 164.688839][ T1348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.689155][ T1348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.689488][ T1348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.689878][ T1348] RIP: 0033:0x7fab6f82e1e7
[ 164.690207][ 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)
[  164.691370][ T1348] RSP: 002b:00007ffd23378f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.691858][ T1348] RAX: ffffffffffffffda RBX: 00007ffd23379680 RCX: 00007fab6f82e1e7
[  164.692329][ T1348] RDX: 0000000000000000 RSI: 00007ffd23378fc0 RDI: 0000000000000005
[  164.692818][ T1348] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.693293][ T1348] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd233796b8
[  164.693777][ T1348] R13: 00000000686e348b R14: 0000000000499600 R15: 0000000000000000
| [  164.875723][ T1350] ------------[ cut here ]------------
| [ 164.876313][ T1350] WARNING: CPU: 0 PID: 1350 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  164.877486][ T1350] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.879638][ T1350] Tainted: [W]=WARN
[  164.880082][ T1350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.880854][ T1350] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 164.881494][ T1350] 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
[  164.883689][ T1350] RSP: 0000:ffffc90001127080 EFLAGS: 00010246
[  164.884499][ T1350] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  164.885451][ T1350] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  164.886371][ T1350] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000
[  164.887322][ T1350] R10: ffffc90001127198 R11: ffffffff992a8918 R12: 1ffff92000224e14
[  164.888292][ T1350] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff88801002af08
[  164.889203][ T1350] FS:  00007f5310742800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  164.890245][ T1350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.891022][ T1350] CR2: 000055e194f401a0 CR3: 0000000004b16001 CR4: 0000000000772ef0
[  164.891955][ T1350] PKRU: 55555554
[  164.892422][ T1350] Call Trace:
[  164.892862][ T1350]  <TASK>
[ 164.893161][ T1350] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.893797][ T1350] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.894413][ T1350] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.895140][ T1350] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.895765][ T1350] netif_set_mtu (net/core/dev.c:9652) 
[ 164.896340][ T1350] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.896984][ T1350] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.897812][ T1350] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.898258][ T1350] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.899080][ T1350] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.899779][ T1350] do_set_master (net/core/rtnetlink.c:2948) 
[ 164.900384][ T1350] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.901043][ T1350] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.901658][ T1350] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.902245][ T1350] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.902861][ T1350] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.903456][ T1350] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.904039][ T1350] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.904639][ T1350] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.905234][ T1350] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.905858][ T1350] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.906466][ T1350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.907073][ T1350] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.907686][ T1350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.908288][ T1350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.908918][ T1350] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.909531][ T1350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.910155][ T1350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.910780][ T1350] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.911366][ T1350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.911965][ T1350] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.912577][ T1350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.913154][ T1350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 164.913753][ T1350] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.914358][ T1350] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.914973][ T1350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.915596][ T1350] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.916189][ T1350] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.916799][ T1350] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.917417][ T1350] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.917992][ T1350] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.918572][ T1350] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.919300][ T1350] ___sys_sendmsg (net/socket.c:2670) 
[ 164.919892][ T1350] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.920510][ T1350] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 164.921104][ T1350] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 164.921681][ T1350] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 164.922309][ T1350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.922919][ T1350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.923530][ T1350] __sys_sendmsg (net/socket.c:2700) 
[ 164.924134][ T1350] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.924759][ T1350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.925342][ T1350] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.925931][ T1350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.926653][ T1350] RIP: 0033:0x7f531090f1e7
[ 164.927252][ T1350] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.929316][ T1350] RSP: 002b:00007ffdfc40fbb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.930196][ T1350] RAX: ffffffffffffffda RBX: 00007ffdfc4102e0 RCX: 00007f531090f1e7
[  164.931133][ T1350] RDX: 0000000000000000 RSI: 00007ffdfc40fc20 RDI: 0000000000000005
[  164.931694][ T1350] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.932271][ T1350] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdfc410318
[  164.932825][ T1350] R13: 00000000686e348b R14: 0000000000499600 R15: 0000000000000000
| [  165.124961][ T1353] ------------[ cut here ]------------
| [ 165.125281][ T1353] WARNING: CPU: 3 PID: 1353 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  165.126012][ T1353] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.127165][ T1353] Tainted: [W]=WARN
[  165.127424][ T1353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.127826][ T1353] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 165.128153][ T1353] 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
[  165.129285][ T1353] RSP: 0018:ffffc90001137080 EFLAGS: 00010246
[  165.129703][ T1353] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  165.130178][ T1353] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  165.130672][ T1353] RBP: ffffc90001137168 R08: 0000000000000000 R09: 0000000000000000
[  165.131181][ T1353] R10: ffffc90001137198 R11: ffffffff992a8918 R12: 1ffff92000226e14
[  165.131668][ T1353] R13: 00000000000005dc R14: ffffc90001137198 R15: ffff88801002af08
[  165.132142][ T1353] FS:  00007f2d3205d800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  165.132723][ T1353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.133136][ T1353] CR2: 00007fa523704a00 CR3: 000000000b6e6001 CR4: 0000000000772ef0
[  165.133646][ T1353] PKRU: 55555554
[  165.133888][ T1353] Call Trace:
[  165.134132][ T1353]  <TASK>
[ 165.134302][ T1353] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.134659][ T1353] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.134983][ T1353] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.135378][ T1353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.135711][ T1353] netif_set_mtu (net/core/dev.c:9652) 
[ 165.136046][ T1353] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.136385][ T1353] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.136862][ T1353] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.137119][ T1353] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.137579][ T1353] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.137952][ T1353] do_set_master (net/core/rtnetlink.c:2948) 
[ 165.138285][ T1353] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.138624][ T1353] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.138947][ T1353] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.139261][ T1353] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.139587][ T1353] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.139937][ T1353] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.140266][ T1353] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.140601][ T1353] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.140936][ T1353] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.141274][ T1353] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.141611][ T1353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.141938][ T1353] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.142257][ T1353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.142593][ T1353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.142917][ T1353] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.143232][ T1353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.143566][ T1353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.143889][ T1353] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.144205][ T1353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.144534][ T1353] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.144863][ T1353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.145211][ T1353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 165.145538][ T1353] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 165.145859][ T1353] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.146172][ T1353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.146507][ T1353] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.146828][ T1353] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.147142][ T1353] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.147481][ T1353] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.147825][ T1353] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.148159][ T1353] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.148592][ T1353] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.148918][ T1353] ___sys_sendmsg (net/socket.c:2670) 
[ 165.149246][ T1353] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.149590][ T1353] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.149907][ T1353] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.150222][ T1353] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.150550][ T1353] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.150867][ T1353] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.151196][ T1353] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.151586][ T1353] __sys_sendmsg (net/socket.c:2700) 
[ 165.151912][ T1353] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.152240][ T1353] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 165.152583][ T1353] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 165.152919][ T1353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.153256][ T1353] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.153593][ T1353] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.154012][ T1353] RIP: 0033:0x7f2d3222a1e7
[ 165.154346][ T1353] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  165.155551][ T1353] RSP: 002b:00007ffdf825ca58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.156035][ T1353] RAX: ffffffffffffffda RBX: 00007ffdf825d180 RCX: 00007f2d3222a1e7
[  165.156519][ T1353] RDX: 0000000000000000 RSI: 00007ffdf825cac0 RDI: 0000000000000005
[  165.156994][ T1353] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.157481][ T1353] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf825d1b8
[  165.157972][ T1353] R13: 00000000686e348b R14: 0000000000499600 R15: 0000000000000000
| [  165.562554][ T1358] ------------[ cut here ]------------
| [ 165.562903][ T1358] WARNING: CPU: 3 PID: 1358 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  165.563582][ T1358] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.565340][ T1358] Tainted: [W]=WARN
[  165.565602][ T1358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.566004][ T1358] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 165.566328][ 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
[  165.567488][ T1358] RSP: 0018:ffffc90001127080 EFLAGS: 00010246
[  165.567899][ T1358] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  165.568411][ T1358] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  165.568905][ T1358] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000
[  165.569403][ T1358] R10: ffffc90001127198 R11: ffffffff992a8918 R12: 1ffff92000224e14
[  165.569894][ T1358] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff888005c5af08
[  165.570380][ T1358] FS:  00007f7d20832800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  165.570973][ T1358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.571380][ T1358] CR2: 00000000004a1738 CR3: 000000000f566005 CR4: 0000000000772ef0
[  165.571875][ T1358] PKRU: 55555554
[  165.572125][ T1358] Call Trace:
[  165.572371][ T1358]  <TASK>
[ 165.572548][ T1358] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.572884][ T1358] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.573216][ T1358] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.573640][ T1358] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.573966][ T1358] netif_set_mtu (net/core/dev.c:9652) 
[ 165.574293][ T1358] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.574634][ T1358] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.575091][ T1358] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.575337][ T1358] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.575791][ T1358] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.576167][ T1358] do_set_master (net/core/rtnetlink.c:2948) 
[ 165.576507][ T1358] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.576840][ T1358] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.577176][ T1358] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.577537][ T1358] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.577867][ T1358] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.578193][ T1358] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.578540][ T1358] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.578861][ T1358] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.579187][ T1358] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.579555][ T1358] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.579885][ T1358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.580218][ T1358] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.580547][ T1358] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.580869][ T1358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.581197][ T1358] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.581536][ T1358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.581865][ T1358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.582193][ T1358] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.582525][ T1358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.582845][ T1358] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.583183][ T1358] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.583516][ T1358] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 165.583839][ T1358] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 165.584165][ T1358] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.584489][ T1358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.584815][ T1358] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.585143][ T1358] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.585481][ T1358] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.585816][ T1358] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.586145][ T1358] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.586473][ T1358] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.586879][ T1358] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.587208][ T1358] ___sys_sendmsg (net/socket.c:2670) 
[ 165.587549][ T1358] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.587868][ T1358] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.588193][ T1358] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.588536][ T1358] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.588870][ T1358] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.589193][ T1358] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.589527][ T1358] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.589864][ T1358] __sys_sendmsg (net/socket.c:2700) 
[ 165.590180][ T1358] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.590505][ T1358] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 165.590831][ T1358] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 165.591165][ T1358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.591506][ T1358] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.591823][ T1358] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.592213][ T1358] RIP: 0033:0x7f7d209ff1e7
[ 165.592547][ T1358] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  165.593706][ T1358] RSP: 002b:00007ffe9c2d1708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.594206][ T1358] RAX: ffffffffffffffda RBX: 00007ffe9c2d1e30 RCX: 00007f7d209ff1e7
[  165.594721][ T1358] RDX: 0000000000000000 RSI: 00007ffe9c2d1770 RDI: 0000000000000005
[  165.595219][ T1358] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.595724][ T1358] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9c2d1e68
[  165.596226][ T1358] R13: 00000000686e348c R14: 0000000000499600 R15: 0000000000000000
| [  165.806695][ T1360] ------------[ cut here ]------------
| [ 165.807052][ 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) 
| [  165.807802][ T1360] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.808998][ T1360] Tainted: [W]=WARN
[  165.809249][ T1360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.809666][ 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) 
[ 165.810012][ 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
[  165.811198][ T1360] RSP: 0018:ffffc90001127080 EFLAGS: 00010246
[  165.811632][ T1360] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  165.812134][ T1360] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  165.812631][ T1360] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000
[  165.813127][ T1360] R10: ffffc90001127198 R11: ffffffff992a8918 R12: 1ffff92000224e14
[  165.813654][ T1360] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff888005c5af08
[  165.814145][ T1360] FS:  00007f1c6082f800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  165.814717][ T1360] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.815135][ T1360] CR2: 00000000004a1738 CR3: 0000000009339003 CR4: 0000000000772ef0
[  165.815646][ T1360] PKRU: 55555554
[  165.815888][ T1360] Call Trace:
[  165.816127][ T1360]  <TASK>
[ 165.816299][ T1360] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.816639][ T1360] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.816961][ T1360] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.817402][ T1360] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.817730][ T1360] netif_set_mtu (net/core/dev.c:9652) 
[ 165.818051][ T1360] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.818387][ T1360] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.818860][ T1360] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.819107][ T1360] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.819557][ T1360] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.819927][ T1360] do_set_master (net/core/rtnetlink.c:2948) 
[ 165.820252][ T1360] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.820580][ T1360] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.820904][ T1360] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.821240][ T1360] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.821584][ T1360] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.821930][ T1360] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.822260][ T1360] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.822597][ T1360] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.822940][ T1360] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.823277][ T1360] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.823625][ T1360] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.823971][ T1360] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.824298][ T1360] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.824640][ T1360] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.824967][ T1360] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.825296][ T1360] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.825639][ T1360] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.825971][ T1360] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.826309][ T1360] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.826663][ T1360] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.827006][ T1360] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.827328][ 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) 
[ 165.827670][ T1360] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 165.828003][ T1360] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.828327][ T1360] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.828654][ T1360] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.828986][ T1360] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.829320][ T1360] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.829667][ T1360] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.830013][ T1360] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.830334][ T1360] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.830763][ T1360] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.831117][ T1360] ___sys_sendmsg (net/socket.c:2670) 
[ 165.831458][ T1360] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.831787][ T1360] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.832118][ T1360] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.832470][ T1360] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.832803][ T1360] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.833133][ T1360] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.833476][ T1360] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.833812][ T1360] __sys_sendmsg (net/socket.c:2700) 
[ 165.834139][ T1360] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.834477][ 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) 
[ 165.834811][ 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) 
[ 165.835131][ T1360] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.835483][ T1360] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.835809][ T1360] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.836208][ T1360] RIP: 0033:0x7f1c609fc1e7
[ 165.836547][ 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)
[  165.837758][ T1360] RSP: 002b:00007ffe1a2ad618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.838262][ T1360] RAX: ffffffffffffffda RBX: 00007ffe1a2add40 RCX: 00007f1c609fc1e7
[  165.838766][ T1360] RDX: 0000000000000000 RSI: 00007ffe1a2ad680 RDI: 0000000000000005
[  165.839247][ T1360] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.839743][ T1360] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe1a2add78
[  165.840230][ T1360] R13: 00000000686e348c R14: 0000000000499600 R15: 0000000000000000
| [  166.001746][ T1361] ------------[ cut here ]------------
| [ 166.002189][ T1361] WARNING: CPU: 2 PID: 1361 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  166.003065][ T1361] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.004722][ T1361] Tainted: [W]=WARN
[  166.005186][ T1361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.005971][ T1361] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 166.006485][ T1361] 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
[  166.007788][ T1361] RSP: 0018:ffffc90001127080 EFLAGS: 00010246
[  166.008355][ T1361] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  166.008890][ T1361] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  166.009462][ T1361] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000
[  166.009977][ T1361] R10: ffffc90001127198 R11: ffffffff992a8918 R12: 1ffff92000224e14
[  166.010638][ T1361] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff888005c5af08
[  166.011176][ T1361] FS:  00007f5dff99c800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  166.011813][ T1361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.012265][ T1361] CR2: 000055e194f42080 CR3: 000000001382f005 CR4: 0000000000772ef0
[  166.012827][ T1361] PKRU: 55555554
[  166.013162][ T1361] Call Trace:
[  166.013484][ T1361]  <TASK>
[ 166.013671][ T1361] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.014037][ T1361] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.014558][ T1361] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.015057][ T1361] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.015444][ T1361] netif_set_mtu (net/core/dev.c:9652) 
[ 166.015798][ T1361] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.016162][ T1361] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.016693][ T1361] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.016970][ T1361] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.017494][ T1361] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.017901][ T1361] do_set_master (net/core/rtnetlink.c:2948) 
[ 166.018276][ T1361] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.018646][ T1361] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.018993][ T1361] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.019359][ T1361] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.019715][ T1361] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.020076][ T1361] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.020451][ T1361] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.020801][ T1361] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.021166][ T1361] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.021589][ T1361] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.021961][ T1361] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.022379][ T1361] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.022745][ T1361] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.023102][ T1361] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.023473][ T1361] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.023822][ T1361] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.024183][ T1361] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.024548][ T1361] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.024905][ T1361] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.025275][ T1361] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.025674][ T1361] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.026026][ T1361] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 166.026405][ T1361] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 166.026772][ T1361] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.027132][ T1361] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.027510][ T1361] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.027858][ T1361] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.028207][ T1361] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.028591][ T1361] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.028987][ T1361] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.029506][ T1361] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.030092][ T1361] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 166.030510][ T1361] ___sys_sendmsg (net/socket.c:2670) 
[ 166.030952][ T1361] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.031322][ T1361] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 166.031699][ T1361] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.032053][ T1361] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 166.032449][ T1361] ? __handle_mm_fault (mm/memory.c:6212) 
[ 166.032805][ T1361] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 166.033149][ T1361] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 166.033563][ T1361] __sys_sendmsg (net/socket.c:2700) 
[ 166.033940][ T1361] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.034314][ T1361] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 166.034688][ T1361] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 166.035048][ T1361] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.035435][ T1361] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.035789][ T1361] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.036256][ T1361] RIP: 0033:0x7f5dffb691e7
[ 166.036664][ T1361] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  166.037989][ T1361] RSP: 002b:00007ffe55f577f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.038601][ T1361] RAX: ffffffffffffffda RBX: 00007ffe55f57f20 RCX: 00007f5dffb691e7
[  166.039122][ T1361] RDX: 0000000000000000 RSI: 00007ffe55f57860 RDI: 0000000000000005
[  166.039667][ T1361] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.040193][ T1361] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe55f57f58
[  166.040731][ T1361] R13: 00000000686e348c R14: 0000000000499600 R15: 0000000000000000
| [  166.192520][ T1363] ------------[ cut here ]------------
| [ 166.192863][ T1363] WARNING: CPU: 0 PID: 1363 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  166.193562][ T1363] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.194774][ T1363] Tainted: [W]=WARN
[  166.195031][ T1363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.195477][ T1363] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 166.195820][ T1363] 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
[  166.197033][ T1363] RSP: 0000:ffffc90001127080 EFLAGS: 00010246
[  166.197474][ T1363] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  166.197984][ T1363] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  166.198506][ T1363] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000
[  166.199004][ T1363] R10: ffffc90001127198 R11: ffffffff992a8918 R12: 1ffff92000224e14
[  166.199515][ T1363] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff888005c5af08
[  166.200027][ T1363] FS:  00007f55cb374800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  166.200629][ T1363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.201067][ T1363] CR2: 00007fa5234c07b0 CR3: 0000000009b3f003 CR4: 0000000000772ef0
[  166.201605][ T1363] PKRU: 55555554
[  166.201903][ T1363] Call Trace:
[  166.202174][ T1363]  <TASK>
[ 166.202359][ T1363] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.202714][ T1363] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.203053][ T1363] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.203503][ T1363] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.203867][ T1363] netif_set_mtu (net/core/dev.c:9652) 
[ 166.204232][ T1363] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.204605][ T1363] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.205107][ T1363] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.205379][ T1363] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.205879][ T1363] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.206281][ T1363] do_set_master (net/core/rtnetlink.c:2948) 
[ 166.206648][ T1363] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.207003][ T1363] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.207349][ T1363] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.207706][ T1363] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.208054][ T1363] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.208420][ T1363] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.208794][ T1363] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.209152][ T1363] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.209530][ T1363] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.209900][ T1363] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.210265][ T1363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.210636][ T1363] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.210985][ T1363] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.211330][ T1363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.211690][ T1363] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.212047][ T1363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.212415][ T1363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.212768][ T1363] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.213121][ T1363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.213468][ T1363] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.213818][ T1363] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.214155][ T1363] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 166.214543][ T1363] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 166.214885][ T1363] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.215223][ T1363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.215587][ T1363] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.215937][ T1363] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.216280][ T1363] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.216641][ T1363] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.216983][ T1363] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.217327][ T1363] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.217789][ T1363] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 166.218139][ T1363] ___sys_sendmsg (net/socket.c:2670) 
[ 166.218490][ T1363] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.218828][ T1363] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 166.219171][ T1363] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.219525][ T1363] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 166.219872][ T1363] ? __handle_mm_fault (mm/memory.c:6212) 
[ 166.220208][ T1363] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 166.220552][ T1363] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 166.220908][ T1363] __sys_sendmsg (net/socket.c:2700) 
[ 166.221259][ T1363] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.221616][ T1363] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 166.221966][ T1363] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 166.222307][ T1363] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.222664][ T1363] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.223003][ T1363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.223427][ T1363] RIP: 0033:0x7f55cb5411e7
[ 166.223773][ T1363] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  166.224985][ T1363] RSP: 002b:00007ffdd9b6d6f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.225507][ T1363] RAX: ffffffffffffffda RBX: 00007ffdd9b6de20 RCX: 00007f55cb5411e7
[  166.226012][ T1363] RDX: 0000000000000000 RSI: 00007ffdd9b6d760 RDI: 0000000000000005
[  166.226542][ T1363] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.227048][ T1363] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdd9b6de58
[  166.227557][ T1363] R13: 00000000686e348c R14: 0000000000499600 R15: 0000000000000000
| [  166.417287][ T1366] ------------[ cut here ]------------
| [ 166.417652][ T1366] WARNING: CPU: 1 PID: 1366 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  166.418344][ T1366] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.419711][ T1366] Tainted: [W]=WARN
[  166.419968][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.420384][ T1366] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 166.420879][ T1366] 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
[  166.422226][ T1366] RSP: 0018:ffffc90001147080 EFLAGS: 00010246
[  166.422792][ T1366] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  166.423280][ T1366] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  166.423924][ T1366] RBP: ffffc90001147168 R08: 0000000000000000 R09: 0000000000000000
[  166.424573][ T1366] R10: ffffc90001147198 R11: ffffffff992a8918 R12: 1ffff92000228e14
[  166.425078][ T1366] R13: 00000000000005dc R14: ffffc90001147198 R15: ffff888005c5af08
[  166.425653][ T1366] FS:  00007f65871f1800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  166.426283][ T1366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.426690][ T1366] CR2: 00000000004a1738 CR3: 00000000097c0002 CR4: 0000000000772ef0
[  166.427161][ T1366] PKRU: 55555554
[  166.427410][ T1366] Call Trace:
[  166.427651][ T1366]  <TASK>
[ 166.427815][ T1366] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.428137][ T1366] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.428473][ T1366] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.428866][ T1366] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.429184][ T1366] netif_set_mtu (net/core/dev.c:9652) 
[ 166.429513][ T1366] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.429842][ T1366] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.430290][ T1366] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.430544][ T1366] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.430995][ T1366] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.431364][ T1366] do_set_master (net/core/rtnetlink.c:2948) 
[ 166.431697][ T1366] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.432015][ T1366] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.432331][ T1366] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.432650][ T1366] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.432963][ T1366] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.433281][ T1366] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.433610][ T1366] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.433924][ T1366] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.434243][ T1366] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.434577][ T1366] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.434899][ T1366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.435224][ T1366] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.435546][ T1366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.435863][ T1366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.436181][ T1366] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.436509][ T1366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.436827][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.437147][ T1366] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.437467][ T1366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.437780][ T1366] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.438109][ T1366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.438436][ T1366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 166.438754][ T1366] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 166.439071][ T1366] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.439414][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.439912][ T1366] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.440238][ T1366] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.440586][ T1366] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.440909][ T1366] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.441239][ T1366] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.441577][ T1366] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.441971][ T1366] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 166.442295][ T1366] ___sys_sendmsg (net/socket.c:2670) 
[ 166.442639][ T1366] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.442961][ T1366] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 166.443278][ T1366] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.443615][ T1366] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 166.443935][ T1366] ? __handle_mm_fault (mm/memory.c:6212) 
[ 166.444254][ T1366] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 166.444610][ T1366] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 166.444944][ T1366] __sys_sendmsg (net/socket.c:2700) 
[ 166.445264][ T1366] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.445627][ T1366] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 166.445957][ T1366] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 166.446273][ T1366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.446617][ T1366] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.446934][ T1366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.447322][ T1366] RIP: 0033:0x7f65873be1e7
[ 166.447673][ T1366] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  166.448820][ T1366] RSP: 002b:00007ffc68eb3628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.449294][ T1366] RAX: ffffffffffffffda RBX: 00007ffc68eb3d50 RCX: 00007f65873be1e7
[  166.449812][ T1366] RDX: 0000000000000000 RSI: 00007ffc68eb3690 RDI: 0000000000000005
[  166.450289][ T1366] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.450773][ T1366] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc68eb3d88
[  166.451257][ T1366] R13: 00000000686e348d R14: 0000000000499600 R15: 0000000000000000
| [  166.628021][ T1367] ------------[ cut here ]------------
| [ 166.628419][ 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) 
| [  166.629103][ T1367] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.631349][ T1367] Tainted: [W]=WARN
[  166.631628][ T1367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.632068][ 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) 
[ 166.632438][ 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
[  166.633668][ T1367] RSP: 0018:ffffc90001127080 EFLAGS: 00010246
[  166.634117][ T1367] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  166.634649][ T1367] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  166.635164][ T1367] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000
[  166.635694][ T1367] R10: ffffc90001127198 R11: ffffffff992a8918 R12: 1ffff92000224e14
[  166.636210][ T1367] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff888005c5af08
[  166.636738][ T1367] FS:  00007f5daff45800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  166.637339][ T1367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.637789][ T1367] CR2: 000055e194f14e10 CR3: 000000000b67b006 CR4: 0000000000772ef0
[  166.638308][ T1367] PKRU: 55555554
[  166.638581][ T1367] Call Trace:
[  166.638847][ T1367]  <TASK>
[ 166.639037][ T1367] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.639402][ T1367] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.639757][ T1367] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.640195][ T1367] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.640566][ T1367] netif_set_mtu (net/core/dev.c:9652) 
[ 166.640913][ T1367] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.641288][ T1367] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.641777][ T1367] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.642047][ T1367] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.642526][ T1367] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.642929][ T1367] do_set_master (net/core/rtnetlink.c:2948) 
[ 166.643276][ T1367] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.643649][ T1367] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.644001][ T1367] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.644345][ T1367] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.644703][ T1367] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.645060][ T1367] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.645418][ T1367] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.645761][ T1367] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.646109][ T1367] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.646478][ T1367] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.646833][ T1367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.647200][ T1367] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.647566][ T1367] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.647918][ T1367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.648266][ T1367] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.648622][ T1367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.648978][ T1367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.649329][ T1367] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.649689][ T1367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.650042][ T1367] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.650408][ T1367] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.650753][ 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) 
[ 166.651116][ T1367] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 166.651477][ T1367] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.651823][ T1367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.652176][ T1367] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.652543][ T1367] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.652893][ T1367] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.653248][ T1367] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.653602][ T1367] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.653957][ T1367] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.654398][ T1367] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 166.654760][ T1367] ___sys_sendmsg (net/socket.c:2670) 
[ 166.655112][ T1367] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.655471][ T1367] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 166.655824][ T1367] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.656177][ T1367] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 166.656544][ T1367] ? __handle_mm_fault (mm/memory.c:6212) 
[ 166.656892][ T1367] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 166.657239][ T1367] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 166.657622][ T1367] __sys_sendmsg (net/socket.c:2700) 
[ 166.657962][ T1367] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.658306][ 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) 
[ 166.658666][ 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) 
[ 166.659011][ T1367] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.659354][ T1367] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.659712][ T1367] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.660136][ T1367] RIP: 0033:0x7f5db01121e7
[ 166.660509][ 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)
[  166.661736][ T1367] RSP: 002b:00007ffc93fe5a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.662262][ T1367] RAX: ffffffffffffffda RBX: 00007ffc93fe61a0 RCX: 00007f5db01121e7
[  166.662784][ T1367] RDX: 0000000000000000 RSI: 00007ffc93fe5ae0 RDI: 0000000000000005
[  166.663293][ T1367] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.663809][ T1367] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc93fe61d8
[  166.664321][ T1367] R13: 00000000686e348d R14: 0000000000499600 R15: 0000000000000000
| [  166.843838][ T1370] ------------[ cut here ]------------
| [ 166.844178][ T1370] WARNING: CPU: 2 PID: 1370 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  166.844856][ T1370] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  166.846041][ T1370] Tainted: [W]=WARN
[  166.846294][ T1370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.846714][ T1370] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 166.847051][ T1370] 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
[  166.848219][ T1370] RSP: 0018:ffffc90001097080 EFLAGS: 00010246
[  166.848646][ T1370] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  166.849165][ T1370] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  166.849691][ T1370] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000
[  166.850220][ T1370] R10: ffffc90001097198 R11: ffffffff992a8918 R12: 1ffff92000212e14
[  166.850740][ T1370] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff888005c5af08
[  166.851271][ T1370] FS:  00007f1952d19800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  166.851909][ T1370] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.852319][ T1370] CR2: 00000000004a1738 CR3: 0000000009507006 CR4: 0000000000772ef0
[  166.852834][ T1370] PKRU: 55555554
[  166.853099][ T1370] Call Trace:
[  166.853360][ T1370]  <TASK>
[ 166.853559][ T1370] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 166.853925][ T1370] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 166.854267][ T1370] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 166.854714][ T1370] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 166.855064][ T1370] netif_set_mtu (net/core/dev.c:9652) 
[ 166.855406][ T1370] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 166.855804][ T1370] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 166.856624][ T1370] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 166.857077][ T1370] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 166.857823][ T1370] br_add_if (net/bridge/br_if.c:697) bridge 
[ 166.858454][ T1370] do_set_master (net/core/rtnetlink.c:2948) 
[ 166.859013][ T1370] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 166.859639][ T1370] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 166.860189][ T1370] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 166.860824][ T1370] ? __dev_get_by_name (net/core/dev.c:865) 
[ 166.861447][ T1370] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.862037][ T1370] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 166.862657][ T1370] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 166.863242][ T1370] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.863863][ T1370] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 166.864493][ T1370] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 166.865107][ T1370] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.865727][ T1370] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 166.866323][ T1370] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 166.866944][ T1370] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 166.867550][ T1370] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 166.868154][ T1370] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.868761][ T1370] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.869373][ T1370] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 166.869996][ T1370] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 166.870625][ T1370] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 166.871265][ T1370] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 166.871872][ T1370] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 166.872483][ T1370] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 166.873072][ T1370] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 166.873670][ T1370] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 166.874285][ T1370] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 166.874918][ T1370] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 166.875535][ T1370] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 166.876156][ T1370] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 166.876788][ T1370] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 166.877384][ T1370] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 166.878155][ T1370] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 166.878802][ T1370] ___sys_sendmsg (net/socket.c:2670) 
[ 166.879432][ T1370] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 166.880053][ T1370] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 166.880694][ T1370] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 166.881317][ T1370] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 166.881965][ T1370] ? __handle_mm_fault (mm/memory.c:6212) 
[ 166.882603][ T1370] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 166.883210][ T1370] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 166.883867][ T1370] __sys_sendmsg (net/socket.c:2700) 
[ 166.884482][ T1370] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 166.885082][ T1370] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 166.885716][ T1370] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 166.886322][ T1370] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 166.886980][ T1370] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 166.887589][ T1370] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.888326][ T1370] RIP: 0033:0x7f1952ee61e7
[ 166.888957][ T1370] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  166.891054][ T1370] RSP: 002b:00007ffdc7c8be38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  166.891992][ T1370] RAX: ffffffffffffffda RBX: 00007ffdc7c8c560 RCX: 00007f1952ee61e7
[  166.892920][ T1370] RDX: 0000000000000000 RSI: 00007ffdc7c8bea0 RDI: 0000000000000005
[  166.893822][ T1370] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  166.894730][ T1370] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc7c8c598
[  166.895642][ T1370] R13: 00000000686e348d R14: 0000000000499600 R15: 0000000000000000
| [  167.056878][ T1371] ------------[ cut here ]------------
| [ 167.057243][ T1371] WARNING: CPU: 3 PID: 1371 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  167.057985][ T1371] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.059360][ T1371] Tainted: [W]=WARN
[  167.059646][ T1371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.060097][ T1371] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 167.060466][ 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
[  167.061776][ T1371] RSP: 0018:ffffc90001157080 EFLAGS: 00010246
[  167.062248][ T1371] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  167.062803][ T1371] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  167.063329][ T1371] RBP: ffffc90001157168 R08: 0000000000000000 R09: 0000000000000000
[  167.063874][ T1371] R10: ffffc90001157198 R11: ffffffff992a8918 R12: 1ffff9200022ae14
[  167.064374][ T1371] R13: 00000000000005dc R14: ffffc90001157198 R15: ffff888005c5af08
[  167.064897][ T1371] FS:  00007f156b1c8800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  167.065533][ T1371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.065989][ T1371] CR2: 00000000004a1738 CR3: 000000000c9eb003 CR4: 0000000000772ef0
[  167.066601][ T1371] PKRU: 55555554
[  167.066908][ T1371] Call Trace:
[  167.067192][ T1371]  <TASK>
[ 167.067381][ T1371] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.067798][ T1371] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.068153][ T1371] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.068612][ T1371] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.068993][ T1371] netif_set_mtu (net/core/dev.c:9652) 
[ 167.069378][ T1371] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.069928][ T1371] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.070451][ T1371] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.070747][ T1371] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.071251][ T1371] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.071655][ T1371] do_set_master (net/core/rtnetlink.c:2948) 
[ 167.071992][ T1371] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.072373][ T1371] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.072784][ T1371] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.073181][ T1371] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.073575][ T1371] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.073971][ T1371] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.074327][ T1371] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.074684][ T1371] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.075044][ T1371] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.075409][ T1371] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.075799][ T1371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.076189][ T1371] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.076565][ T1371] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.076967][ T1371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.077354][ T1371] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.077715][ T1371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.078069][ T1371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.078465][ T1371] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.078842][ T1371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.079221][ T1371] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.079589][ T1371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.079936][ T1371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 167.080280][ T1371] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 167.080643][ T1371] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.081031][ T1371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.081494][ T1371] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.081910][ T1371] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.082296][ T1371] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.082723][ T1371] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.083090][ T1371] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.083449][ T1371] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.083939][ T1371] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.084346][ T1371] ___sys_sendmsg (net/socket.c:2670) 
[ 167.084708][ T1371] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.085079][ T1371] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.085479][ T1371] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.085901][ T1371] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.086351][ T1371] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.086797][ T1371] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.087255][ T1371] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.087686][ T1371] __sys_sendmsg (net/socket.c:2700) 
[ 167.088069][ T1371] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.088450][ T1371] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 167.088851][ T1371] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 167.089256][ T1371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.089657][ T1371] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.090083][ T1371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.090601][ T1371] RIP: 0033:0x7f156b3951e7
[ 167.091020][ T1371] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  167.092399][ T1371] RSP: 002b:00007ffc845943e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.092983][ T1371] RAX: ffffffffffffffda RBX: 00007ffc84594b10 RCX: 00007f156b3951e7
[  167.093545][ T1371] RDX: 0000000000000000 RSI: 00007ffc84594450 RDI: 0000000000000005
[  167.094127][ T1371] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.094756][ T1371] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc84594b48
[  167.095443][ T1371] R13: 00000000686e348d R14: 0000000000499600 R15: 0000000000000000
| [  167.268873][ T1374] ------------[ cut here ]------------
| [ 167.269226][ 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) 
| [  167.269952][ T1374] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.271206][ T1374] Tainted: [W]=WARN
[  167.271480][ T1374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.271921][ T1374] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 167.272284][ 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
[  167.273518][ T1374] RSP: 0018:ffffc90001177080 EFLAGS: 00010246
[  167.273950][ T1374] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  167.274526][ T1374] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  167.275052][ T1374] RBP: ffffc90001177168 R08: 0000000000000000 R09: 0000000000000000
[  167.275582][ T1374] R10: ffffc90001177198 R11: ffffffff992a8918 R12: 1ffff9200022ee14
[  167.276110][ T1374] R13: 00000000000005dc R14: ffffc90001177198 R15: ffff888005c5af08
[  167.276634][ T1374] FS:  00007fac1994a800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  167.277228][ T1374] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.277703][ T1374] CR2: 00007f4a9610384f CR3: 000000000c8c4002 CR4: 0000000000772ef0
[  167.278224][ T1374] PKRU: 55555554
[  167.278495][ T1374] Call Trace:
[  167.278754][ T1374]  <TASK>
[ 167.278936][ T1374] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.279281][ T1374] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.279651][ T1374] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.280077][ T1374] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.280425][ T1374] netif_set_mtu (net/core/dev.c:9652) 
[ 167.280772][ T1374] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.281140][ T1374] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.281627][ T1374] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.281897][ T1374] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.282374][ T1374] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.282789][ T1374] do_set_master (net/core/rtnetlink.c:2948) 
[ 167.283124][ T1374] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.283475][ T1374] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.283825][ T1374] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.284159][ T1374] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.284500][ T1374] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.284839][ T1374] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.285184][ T1374] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.285683][ T1374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.286027][ T1374] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.286373][ T1374] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.286875][ T1374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.287205][ T1374] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.287669][ T1374] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.288027][ T1374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.288364][ T1374] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.288715][ T1374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.289065][ T1374] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.289414][ T1374] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.289750][ T1374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.290091][ T1374] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.290456][ T1374] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.290796][ T1374] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 167.291184][ T1374] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 167.291538][ T1374] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.291879][ T1374] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.292221][ T1374] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.292572][ T1374] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.292919][ T1374] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.293260][ T1374] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.293624][ T1374] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.293965][ T1374] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.294387][ T1374] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.294750][ T1374] ___sys_sendmsg (net/socket.c:2670) 
[ 167.295091][ T1374] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.295444][ T1374] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.295784][ T1374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.296126][ T1374] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.296480][ T1374] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.296825][ T1374] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.297147][ T1374] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.297499][ T1374] __sys_sendmsg (net/socket.c:2700) 
[ 167.297833][ T1374] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.298167][ T1374] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 167.298517][ T1374] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 167.298851][ T1374] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.299181][ T1374] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.299529][ T1374] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.299945][ T1374] RIP: 0033:0x7fac19b171e7
[ 167.300301][ T1374] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  167.301507][ T1374] RSP: 002b:00007ffd8e1e80d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.302011][ T1374] RAX: ffffffffffffffda RBX: 00007ffd8e1e8800 RCX: 00007fac19b171e7
[  167.302522][ T1374] RDX: 0000000000000000 RSI: 00007ffd8e1e8140 RDI: 0000000000000005
[  167.303032][ T1374] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.303558][ T1374] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd8e1e8838
[  167.304071][ T1374] R13: 00000000686e348d R14: 0000000000499600 R15: 0000000000000000
| [  167.464492][ T1375] ------------[ cut here ]------------
| [ 167.464817][ T1375] WARNING: CPU: 1 PID: 1375 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  167.465647][ T1375] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.467053][ T1375] Tainted: [W]=WARN
[  167.467297][ T1375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.467939][ T1375] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 167.468267][ T1375] 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
[  167.469668][ T1375] RSP: 0018:ffffc90001147080 EFLAGS: 00010246
[  167.470073][ T1375] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  167.470794][ T1375] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  167.471281][ T1375] RBP: ffffc90001147168 R08: 0000000000000000 R09: 0000000000000000
[  167.471968][ T1375] R10: ffffc90001147198 R11: ffffffff992a8918 R12: 1ffff92000228e14
[  167.472603][ T1375] R13: 00000000000005dc R14: ffffc90001147198 R15: ffff888005c5af08
[  167.473082][ T1375] FS:  00007fdb8d404800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  167.473944][ T1375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.474476][ T1375] CR2: 00007fa52341f110 CR3: 000000000fc7d002 CR4: 0000000000772ef0
[  167.475052][ T1375] PKRU: 55555554
[  167.475314][ T1375] Call Trace:
[  167.475664][ T1375]  <TASK>
[ 167.475834][ T1375] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.476287][ T1375] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.476675][ T1375] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.477176][ T1375] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.477697][ T1375] netif_set_mtu (net/core/dev.c:9652) 
[ 167.478118][ T1375] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.478475][ T1375] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.478927][ T1375] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.479187][ T1375] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.479742][ T1375] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.480253][ T1375] do_set_master (net/core/rtnetlink.c:2948) 
[ 167.480611][ T1375] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.481058][ T1375] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.481578][ T1375] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.482006][ T1375] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.482360][ T1375] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.482708][ T1375] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.483038][ T1375] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.483380][ T1375] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.483724][ T1375] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.484053][ T1375] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.484421][ T1375] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.484765][ T1375] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.485081][ T1375] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.485575][ T1375] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.485901][ T1375] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.486245][ T1375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.486583][ T1375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.486908][ T1375] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.487286][ T1375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.487615][ T1375] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.487946][ T1375] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.488305][ T1375] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 167.488636][ T1375] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 167.488958][ T1375] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.489358][ T1375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.489698][ T1375] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.490086][ T1375] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.490540][ T1375] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.490896][ T1375] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.491259][ T1375] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.491595][ T1375] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.491998][ T1375] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.492352][ T1375] ___sys_sendmsg (net/socket.c:2670) 
[ 167.492687][ T1375] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.493000][ T1375] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.493357][ T1375] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.493688][ T1375] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.494014][ T1375] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.494344][ T1375] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.494667][ T1375] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.494997][ T1375] __sys_sendmsg (net/socket.c:2700) 
[ 167.495332][ T1375] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.495739][ T1375] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 167.496127][ T1375] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 167.496517][ T1375] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.496838][ T1375] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.497207][ T1375] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.497612][ T1375] RIP: 0033:0x7fdb8d5d11e7
[ 167.497936][ T1375] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  167.499298][ T1375] RSP: 002b:00007ffd359b4058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.499788][ T1375] RAX: ffffffffffffffda RBX: 00007ffd359b4780 RCX: 00007fdb8d5d11e7
[  167.500371][ T1375] RDX: 0000000000000000 RSI: 00007ffd359b40c0 RDI: 0000000000000005
[  167.500856][ T1375] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.501406][ T1375] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd359b47b8
[  167.501882][ T1375] R13: 00000000686e348e R14: 0000000000499600 R15: 0000000000000000
| [  167.684322][ T1378] ------------[ cut here ]------------
| [ 167.684673][ T1378] WARNING: CPU: 0 PID: 1378 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  167.685331][ T1378] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.686597][ T1378] Tainted: [W]=WARN
[  167.686847][ T1378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.687249][ T1378] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 167.687583][ T1378] 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
[  167.688730][ T1378] RSP: 0018:ffffc90001177080 EFLAGS: 00010246
[  167.689143][ T1378] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  167.689652][ T1378] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  167.690141][ T1378] RBP: ffffc90001177168 R08: 0000000000000000 R09: 0000000000000000
[  167.690642][ T1378] R10: ffffc90001177198 R11: ffffffff992a8918 R12: 1ffff9200022ee14
[  167.691151][ T1378] R13: 00000000000005dc R14: ffffc90001177198 R15: ffff888005c5af08
[  167.691647][ T1378] FS:  00007fb99a016800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  167.692201][ T1378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.692622][ T1378] CR2: 00007f52856b9270 CR3: 0000000005a36003 CR4: 0000000000772ef0
[  167.693116][ T1378] PKRU: 55555554
[  167.693358][ T1378] Call Trace:
[  167.693607][ T1378]  <TASK>
[ 167.693775][ T1378] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.694102][ T1378] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.694435][ T1378] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.694832][ T1378] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.695165][ T1378] netif_set_mtu (net/core/dev.c:9652) 
[ 167.695506][ T1378] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.695844][ T1378] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.696312][ T1378] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.696563][ T1378] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.696998][ T1378] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.697400][ T1378] do_set_master (net/core/rtnetlink.c:2948) 
[ 167.697723][ T1378] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.698048][ T1378] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.698384][ T1378] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.698722][ T1378] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.699044][ T1378] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.699366][ T1378] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.699702][ T1378] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.700018][ T1378] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.700342][ T1378] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.700693][ T1378] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.701035][ T1378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.701365][ T1378] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.701687][ T1378] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.702010][ T1378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.702330][ T1378] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.702658][ T1378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.702982][ T1378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.703311][ T1378] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.703641][ T1378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.703962][ T1378] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.704291][ T1378] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.704616][ T1378] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 167.704937][ T1378] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 167.705258][ T1378] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.705589][ T1378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.705918][ T1378] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.706236][ T1378] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.706566][ T1378] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.706896][ T1378] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.707215][ T1378] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.707544][ T1378] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.707943][ T1378] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.708269][ T1378] ___sys_sendmsg (net/socket.c:2670) 
[ 167.708597][ T1378] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.708918][ T1378] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.709235][ T1378] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.709563][ T1378] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.709885][ T1378] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.710205][ T1378] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.710531][ T1378] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.710867][ T1378] __sys_sendmsg (net/socket.c:2700) 
[ 167.711211][ T1378] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.711535][ T1378] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 167.711866][ T1378] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 167.712187][ T1378] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.712519][ T1378] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.712839][ T1378] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.713241][ T1378] RIP: 0033:0x7fb99a1e31e7
[ 167.713576][ T1378] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  167.714723][ T1378] RSP: 002b:00007ffd1db76b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.715211][ T1378] RAX: ffffffffffffffda RBX: 00007ffd1db772c0 RCX: 00007fb99a1e31e7
[  167.715701][ T1378] RDX: 0000000000000000 RSI: 00007ffd1db76c00 RDI: 0000000000000005
[  167.716183][ T1378] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.716661][ T1378] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1db772f8
[  167.717149][ T1378] R13: 00000000686e348e R14: 0000000000499600 R15: 0000000000000000
| [  167.916840][ T1380] ------------[ cut here ]------------
| [ 167.917202][ 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) 
| [  167.917952][ T1380] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  167.919239][ T1380] Tainted: [W]=WARN
[  167.919519][ T1380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.919969][ 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) 
[ 167.920364][ 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
[  167.921649][ T1380] RSP: 0018:ffffc90001187080 EFLAGS: 00010246
[  167.922097][ T1380] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  167.922638][ T1380] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  167.923171][ T1380] RBP: ffffc90001187168 R08: 0000000000000000 R09: 0000000000000000
[  167.923719][ T1380] R10: ffffc90001187198 R11: ffffffff992a8918 R12: 1ffff92000230e14
[  167.924280][ T1380] R13: 00000000000005dc R14: ffffc90001187198 R15: ffff888005c5af08
[  167.924815][ T1380] FS:  00007fdfa368a800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  167.925429][ T1380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.925869][ T1380] CR2: 00007fa52341f110 CR3: 000000001459f002 CR4: 0000000000772ef0
[  167.926412][ T1380] PKRU: 55555554
[  167.926678][ T1380] Call Trace:
[  167.926947][ T1380]  <TASK>
[ 167.927128][ T1380] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.927499][ T1380] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 167.927859][ T1380] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 167.928319][ T1380] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.928683][ T1380] netif_set_mtu (net/core/dev.c:9652) 
[ 167.929043][ T1380] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.929415][ T1380] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 167.929906][ T1380] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.930173][ T1380] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 167.930657][ T1380] br_add_if (net/bridge/br_if.c:697) bridge 
[ 167.931071][ T1380] do_set_master (net/core/rtnetlink.c:2948) 
[ 167.931435][ T1380] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.931793][ T1380] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.932149][ T1380] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.932536][ T1380] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.932895][ T1380] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.933246][ T1380] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.933610][ T1380] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.933957][ T1380] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.934324][ T1380] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.934690][ T1380] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.935049][ T1380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.935412][ T1380] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.935761][ T1380] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.936109][ T1380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.936498][ T1380] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.936854][ T1380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.937211][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.937576][ T1380] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.937934][ T1380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.938281][ T1380] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.938655][ T1380] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.939004][ 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) 
[ 167.939360][ T1380] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 167.939718][ T1380] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.940068][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.940459][ T1380] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.940805][ T1380] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.941168][ T1380] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.941531][ T1380] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.941883][ T1380] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.942229][ T1380] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.942670][ T1380] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 167.943027][ T1380] ___sys_sendmsg (net/socket.c:2670) 
[ 167.943374][ T1380] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.943731][ T1380] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.944078][ T1380] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.944464][ T1380] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.944822][ T1380] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.945173][ T1380] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.945522][ T1380] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.945887][ T1380] __sys_sendmsg (net/socket.c:2700) 
[ 167.946238][ T1380] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.946589][ 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) 
[ 167.946956][ 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) 
[ 167.947309][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.947671][ T1380] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.948019][ T1380] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.948491][ T1380] RIP: 0033:0x7fdfa38571e7
[ 167.948855][ 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)
[  167.950105][ T1380] RSP: 002b:00007ffd674eda78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.950644][ T1380] RAX: ffffffffffffffda RBX: 00007ffd674ee1a0 RCX: 00007fdfa38571e7
[  167.951183][ T1380] RDX: 0000000000000000 RSI: 00007ffd674edae0 RDI: 0000000000000005
[  167.951715][ T1380] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  167.952270][ T1380] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd674ee1d8
[  167.952820][ T1380] R13: 00000000686e348e R14: 0000000000499600 R15: 0000000000000000
| [  168.143600][ T1382] ------------[ cut here ]------------
| [ 168.143944][ T1382] WARNING: CPU: 2 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) 
| [  168.144671][ T1382] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.145878][ T1382] Tainted: [W]=WARN
[  168.146151][ T1382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.146588][ 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) 
[ 168.146944][ 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
[  168.148252][ T1382] RSP: 0018:ffffc90001197080 EFLAGS: 00010246
[  168.148695][ T1382] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  168.149206][ T1382] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  168.149713][ T1382] RBP: ffffc90001197168 R08: 0000000000000000 R09: 0000000000000000
[  168.150216][ T1382] R10: ffffc90001197198 R11: ffffffff992a8918 R12: 1ffff92000232e14
[  168.151001][ T1382] R13: 00000000000005dc R14: ffffc90001197198 R15: ffff888005c5af08
[  168.151896][ T1382] FS:  00007f779aafb800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  168.152936][ T1382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.153692][ T1382] CR2: 00000000004a1738 CR3: 0000000005fa0005 CR4: 0000000000772ef0
[  168.154530][ T1382] PKRU: 55555554
[  168.154787][ T1382] Call Trace:
[  168.155037][ T1382]  <TASK>
[ 168.155229][ T1382] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.155589][ T1382] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.155932][ T1382] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.156361][ T1382] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.156712][ T1382] netif_set_mtu (net/core/dev.c:9652) 
[ 168.157047][ T1382] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.157546][ T1382] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.158016][ T1382] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.158284][ T1382] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.158750][ T1382] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.159147][ T1382] do_set_master (net/core/rtnetlink.c:2948) 
[ 168.159492][ T1382] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.159832][ T1382] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.160184][ T1382] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.160520][ T1382] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.160855][ T1382] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.161289][ T1382] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.161859][ T1382] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.162216][ T1382] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.162579][ T1382] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.162924][ T1382] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.163414][ T1382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.163772][ T1382] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.164124][ T1382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.164473][ T1382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.164818][ T1382] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.165170][ T1382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.165521][ T1382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.165859][ T1382] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.166210][ T1382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.166565][ T1382] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.166912][ T1382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.167269][ 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) 
[ 168.167615][ T1382] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 168.167956][ T1382] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.168309][ T1382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.168666][ T1382] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.169011][ T1382] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.169421][ T1382] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.169767][ T1382] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.170144][ T1382] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.170510][ T1382] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.170940][ T1382] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.171298][ T1382] ___sys_sendmsg (net/socket.c:2670) 
[ 168.171659][ T1382] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.172000][ T1382] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.172366][ T1382] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.172712][ T1382] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.173053][ T1382] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.173402][ T1382] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.173738][ T1382] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.174091][ T1382] __sys_sendmsg (net/socket.c:2700) 
[ 168.174443][ T1382] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.174779][ 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) 
[ 168.175144][ 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) 
[ 168.175501][ T1382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.175845][ T1382] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.176184][ T1382] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.176610][ T1382] RIP: 0033:0x7f779acc81e7
[ 168.176961][ 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)
[  168.178146][ T1382] RSP: 002b:00007ffeacd86078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.178662][ T1382] RAX: ffffffffffffffda RBX: 00007ffeacd867a0 RCX: 00007f779acc81e7
[  168.179158][ T1382] RDX: 0000000000000000 RSI: 00007ffeacd860e0 RDI: 0000000000000005
[  168.179659][ T1382] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.180189][ T1382] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeacd867d8
[  168.180707][ T1382] R13: 00000000686e348e R14: 0000000000499600 R15: 0000000000000000
| [  168.333907][ T1383] ------------[ cut here ]------------
| [ 168.334289][ T1383] WARNING: CPU: 2 PID: 1383 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  168.335064][ T1383] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.336344][ T1383] Tainted: [W]=WARN
[  168.336625][ T1383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.337070][ T1383] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 168.337436][ T1383] 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
[  168.338663][ T1383] RSP: 0018:ffffc900011a7080 EFLAGS: 00010246
[  168.339113][ T1383] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  168.339636][ T1383] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  168.340143][ T1383] RBP: ffffc900011a7168 R08: 0000000000000000 R09: 0000000000000000
[  168.340667][ T1383] R10: ffffc900011a7198 R11: ffffffff992a8918 R12: 1ffff92000234e14
[  168.341207][ T1383] R13: 00000000000005dc R14: ffffc900011a7198 R15: ffff888005c5af08
[  168.341741][ T1383] FS:  00007f8be0f1b800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  168.342343][ T1383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.342792][ T1383] CR2: 00000000004a1738 CR3: 00000000061eb003 CR4: 0000000000772ef0
[  168.343322][ T1383] PKRU: 55555554
[  168.343600][ T1383] Call Trace:
[  168.343865][ T1383]  <TASK>
[ 168.344055][ T1383] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.344424][ T1383] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.344787][ T1383] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.345217][ T1383] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.345581][ T1383] netif_set_mtu (net/core/dev.c:9652) 
[ 168.345941][ T1383] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.346302][ T1383] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.346796][ T1383] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.347065][ T1383] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.347553][ T1383] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.347953][ T1383] do_set_master (net/core/rtnetlink.c:2948) 
[ 168.348305][ T1383] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.348666][ T1383] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.349021][ T1383] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.349365][ T1383] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.349724][ T1383] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.350077][ T1383] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.350443][ T1383] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.350802][ T1383] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.351178][ T1383] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.351558][ T1383] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.351924][ T1383] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.352291][ T1383] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.352652][ T1383] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.353003][ T1383] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.353351][ T1383] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.353711][ T1383] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.354076][ T1383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.354455][ T1383] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.354820][ T1383] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.355169][ T1383] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.355543][ T1383] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.355898][ T1383] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 168.356261][ T1383] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 168.356625][ T1383] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.356978][ T1383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.357345][ T1383] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.357715][ T1383] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.358077][ T1383] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.358449][ T1383] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.358807][ T1383] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.359157][ T1383] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.359602][ T1383] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.359958][ T1383] ___sys_sendmsg (net/socket.c:2670) 
[ 168.360295][ T1383] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.360655][ T1383] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.361007][ T1383] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.361356][ T1383] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.361725][ T1383] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.362106][ T1383] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.362487][ T1383] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.362862][ T1383] __sys_sendmsg (net/socket.c:2700) 
[ 168.363222][ T1383] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.363592][ T1383] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 168.363953][ T1383] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 168.364307][ T1383] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.364676][ T1383] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.365028][ T1383] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.365473][ T1383] RIP: 0033:0x7f8be10e81e7
[ 168.365844][ T1383] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  168.367107][ T1383] RSP: 002b:00007ffe0159d7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.367658][ T1383] RAX: ffffffffffffffda RBX: 00007ffe0159ded0 RCX: 00007f8be10e81e7
[  168.368191][ T1383] RDX: 0000000000000000 RSI: 00007ffe0159d810 RDI: 0000000000000005
[  168.368742][ T1383] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.369288][ T1383] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe0159df08
[  168.369817][ T1383] R13: 00000000686e348f R14: 0000000000499600 R15: 0000000000000000
| [  168.558732][ T1385] ------------[ cut here ]------------
| [ 168.559066][ T1385] WARNING: CPU: 2 PID: 1385 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  168.559708][ T1385] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.560939][ T1385] Tainted: [W]=WARN
[  168.561200][ T1385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.561620][ T1385] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 168.561962][ T1385] 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
[  168.563110][ T1385] RSP: 0018:ffffc90001127080 EFLAGS: 00010246
[  168.563534][ T1385] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  168.564022][ T1385] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  168.564529][ T1385] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000
[  168.565057][ T1385] R10: ffffc90001127198 R11: ffffffff992a8918 R12: 1ffff92000224e14
[  168.565722][ T1385] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff888005c5af08
[  168.566358][ T1385] FS:  00007f07bd68f800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  168.567058][ T1385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.567484][ T1385] CR2: 00000000004a1738 CR3: 00000000094ab005 CR4: 0000000000772ef0
[  168.567969][ T1385] PKRU: 55555554
[  168.568219][ T1385] Call Trace:
[  168.568479][ T1385]  <TASK>
[ 168.568664][ T1385] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.569036][ T1385] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.569370][ T1385] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.569789][ T1385] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.570124][ T1385] netif_set_mtu (net/core/dev.c:9652) 
[ 168.570460][ T1385] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.570803][ T1385] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.571291][ T1385] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.571562][ T1385] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.572010][ T1385] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.572387][ T1385] do_set_master (net/core/rtnetlink.c:2948) 
[ 168.572763][ T1385] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.573101][ T1385] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.573443][ T1385] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.573768][ T1385] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.574091][ T1385] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.574426][ T1385] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.574759][ T1385] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.575083][ T1385] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.575433][ T1385] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.575771][ T1385] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.576104][ T1385] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.576454][ T1385] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.576807][ T1385] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.577141][ T1385] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.577479][ T1385] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.577817][ T1385] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.578148][ T1385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.578492][ T1385] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.578820][ T1385] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.579150][ T1385] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.579498][ T1385] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.579823][ T1385] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 168.580158][ T1385] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 168.580510][ T1385] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.580871][ T1385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.581215][ T1385] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.581565][ T1385] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.581904][ T1385] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.582247][ T1385] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.582591][ T1385] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.582935][ T1385] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.583343][ T1385] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.583693][ T1385] ___sys_sendmsg (net/socket.c:2670) 
[ 168.584024][ T1385] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.584353][ T1385] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.584720][ T1385] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.585053][ T1385] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.585401][ T1385] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.585733][ T1385] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.586056][ T1385] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.586409][ T1385] __sys_sendmsg (net/socket.c:2700) 
[ 168.586740][ T1385] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.587066][ T1385] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 168.587412][ T1385] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 168.587748][ T1385] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.588076][ T1385] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.588411][ T1385] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.588857][ T1385] RIP: 0033:0x7f07bd85c1e7
[ 168.589199][ T1385] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  168.590343][ T1385] RSP: 002b:00007ffe4ef55048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.590835][ T1385] RAX: ffffffffffffffda RBX: 00007ffe4ef55770 RCX: 00007f07bd85c1e7
[  168.591333][ T1385] RDX: 0000000000000000 RSI: 00007ffe4ef550b0 RDI: 0000000000000005
[  168.591826][ T1385] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.592317][ T1385] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe4ef557a8
[  168.592850][ T1385] R13: 00000000686e348f R14: 0000000000499600 R15: 0000000000000000
| [  168.770234][ T1388] ------------[ cut here ]------------
| [ 168.770616][ 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) 
| [  168.771296][ T1388] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.772515][ T1388] Tainted: [W]=WARN
[  168.772775][ T1388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.773197][ 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) 
[ 168.773552][ 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
[  168.774749][ T1388] RSP: 0018:ffffc900011a7080 EFLAGS: 00010246
[  168.775170][ T1388] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  168.775682][ T1388] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  168.776201][ T1388] RBP: ffffc900011a7168 R08: 0000000000000000 R09: 0000000000000000
[  168.776746][ T1388] R10: ffffc900011a7198 R11: ffffffff992a8918 R12: 1ffff92000234e14
[  168.777256][ T1388] R13: 00000000000005dc R14: ffffc900011a7198 R15: ffff888005c5af08
[  168.777781][ T1388] FS:  00007fcfdd137800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  168.778370][ T1388] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.778794][ T1388] CR2: 00000000004a1738 CR3: 000000000fe9f005 CR4: 0000000000772ef0
[  168.779307][ T1388] PKRU: 55555554
[  168.779568][ T1388] Call Trace:
[  168.779821][ T1388]  <TASK>
[ 168.779992][ T1388] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.780337][ T1388] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.780684][ T1388] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.781118][ T1388] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.781469][ T1388] netif_set_mtu (net/core/dev.c:9652) 
[ 168.781811][ T1388] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.782154][ T1388] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.782628][ T1388] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.782885][ T1388] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.783343][ T1388] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.783746][ T1388] do_set_master (net/core/rtnetlink.c:2948) 
[ 168.784084][ T1388] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.784431][ T1388] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.784775][ T1388] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.785113][ T1388] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.785464][ T1388] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.785805][ T1388] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.786147][ T1388] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.786494][ T1388] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.786843][ T1388] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.787186][ T1388] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.787535][ T1388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.787900][ T1388] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.788233][ T1388] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.788617][ T1388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.788966][ T1388] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.789300][ T1388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.789657][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.789997][ T1388] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.790330][ T1388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.790669][ T1388] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.791032][ T1388] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.791372][ 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) 
[ 168.791716][ T1388] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 168.792056][ T1388] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.792387][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.792743][ T1388] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.793087][ T1388] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.793444][ T1388] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.793811][ T1388] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.794166][ T1388] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.794511][ T1388] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.794946][ T1388] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.795292][ T1388] ___sys_sendmsg (net/socket.c:2670) 
[ 168.795658][ T1388] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.796008][ T1388] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.796367][ T1388] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.796717][ T1388] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.797069][ T1388] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.797422][ T1388] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.797765][ T1388] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.798126][ T1388] __sys_sendmsg (net/socket.c:2700) 
[ 168.798483][ T1388] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.798830][ 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) 
[ 168.799180][ 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) 
[ 168.799530][ T1388] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.799876][ T1388] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.800216][ T1388] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.800654][ T1388] RIP: 0033:0x7fcfdd3041e7
[ 168.801031][ 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)
[  168.802287][ T1388] RSP: 002b:00007ffded05f998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.802815][ T1388] RAX: ffffffffffffffda RBX: 00007ffded0600c0 RCX: 00007fcfdd3041e7
[  168.803325][ T1388] RDX: 0000000000000000 RSI: 00007ffded05fa00 RDI: 0000000000000005
[  168.803847][ T1388] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.804356][ T1388] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffded0600f8
[  168.804874][ T1388] R13: 00000000686e348f R14: 0000000000499600 R15: 0000000000000000
| [  168.951604][ T1389] ------------[ cut here ]------------
| [ 168.951978][ T1389] WARNING: CPU: 0 PID: 1389 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  168.952748][ T1389] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  168.954280][ T1389] Tainted: [W]=WARN
[  168.954534][ T1389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.954946][ T1389] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 168.955279][ T1389] 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
[  168.956484][ T1389] RSP: 0018:ffffc90001177080 EFLAGS: 00010246
[  168.957063][ T1389] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  168.957810][ T1389] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  168.958293][ T1389] RBP: ffffc90001177168 R08: 0000000000000000 R09: 0000000000000000
[  168.958799][ T1389] R10: ffffc90001177198 R11: ffffffff992a8918 R12: 1ffff9200022ee14
[  168.959282][ T1389] R13: 00000000000005dc R14: ffffc90001177198 R15: ffff888005c5af08
[  168.959916][ T1389] FS:  00007ffa2f98c800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  168.960595][ T1389] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.961090][ T1389] CR2: 00000000004a1738 CR3: 000000000f502005 CR4: 0000000000772ef0
[  168.961697][ T1389] PKRU: 55555554
[  168.962013][ T1389] Call Trace:
[  168.962340][ T1389]  <TASK>
[ 168.962570][ T1389] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 168.962949][ T1389] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 168.963380][ T1389] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 168.963876][ T1389] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 168.964209][ T1389] netif_set_mtu (net/core/dev.c:9652) 
[ 168.964559][ T1389] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 168.964935][ T1389] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 168.965429][ T1389] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 168.965698][ T1389] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 168.966157][ T1389] br_add_if (net/bridge/br_if.c:697) bridge 
[ 168.966563][ T1389] do_set_master (net/core/rtnetlink.c:2948) 
[ 168.966927][ T1389] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 168.967277][ T1389] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 168.967673][ T1389] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 168.968066][ T1389] ? __dev_get_by_name (net/core/dev.c:865) 
[ 168.968431][ T1389] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.968857][ T1389] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 168.969331][ T1389] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 168.969698][ T1389] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.970048][ T1389] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 168.970413][ T1389] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 168.970860][ T1389] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.971231][ T1389] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 168.971583][ T1389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 168.972050][ T1389] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 168.972489][ T1389] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 168.972871][ T1389] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.973228][ T1389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.973590][ T1389] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 168.973958][ T1389] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 168.974297][ T1389] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 168.974658][ T1389] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 168.975071][ T1389] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 168.975438][ T1389] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 168.975916][ T1389] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 168.976267][ T1389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 168.976715][ T1389] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 168.977129][ T1389] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 168.977486][ T1389] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 168.977853][ T1389] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 168.978199][ T1389] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 168.978555][ T1389] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 168.979113][ T1389] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 168.979479][ T1389] ___sys_sendmsg (net/socket.c:2670) 
[ 168.979849][ T1389] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 168.980192][ T1389] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 168.980543][ T1389] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 168.981020][ T1389] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 168.981367][ T1389] ? __handle_mm_fault (mm/memory.c:6212) 
[ 168.981724][ T1389] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 168.982067][ T1389] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 168.982432][ T1389] __sys_sendmsg (net/socket.c:2700) 
[ 168.982787][ T1389] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 168.983118][ T1389] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 168.983470][ T1389] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 168.983847][ T1389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 168.984194][ T1389] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 168.984547][ T1389] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.985036][ T1389] RIP: 0033:0x7ffa2fb591e7
[ 168.985385][ T1389] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  168.986602][ T1389] RSP: 002b:00007ffc9c276e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  168.987128][ T1389] RAX: ffffffffffffffda RBX: 00007ffc9c277590 RCX: 00007ffa2fb591e7
[  168.987655][ T1389] RDX: 0000000000000000 RSI: 00007ffc9c276ed0 RDI: 0000000000000005
[  168.988196][ T1389] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  168.988789][ T1389] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9c2775c8
[  168.989404][ T1389] R13: 00000000686e348f R14: 0000000000499600 R15: 0000000000000000
| [  169.154107][ T1391] ------------[ cut here ]------------
| [ 169.154549][ T1391] WARNING: CPU: 3 PID: 1391 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  169.155277][ T1391] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  169.156552][ T1391] Tainted: [W]=WARN
[  169.156810][ T1391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.157245][ T1391] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 169.157613][ T1391] 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
[  169.158825][ T1391] RSP: 0018:ffffc900011a7080 EFLAGS: 00010246
[  169.159290][ T1391] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  169.159799][ T1391] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  169.160321][ T1391] RBP: ffffc900011a7168 R08: 0000000000000000 R09: 0000000000000000
[  169.160900][ T1391] R10: ffffc900011a7198 R11: ffffffff992a8918 R12: 1ffff92000234e14
[  169.161484][ T1391] R13: 00000000000005dc R14: ffffc900011a7198 R15: ffff888005c5af08
[  169.161997][ T1391] FS:  00007ff65b680800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  169.162619][ T1391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.163084][ T1391] CR2: 00000000004a1738 CR3: 0000000005a32001 CR4: 0000000000772ef0
[  169.163614][ T1391] PKRU: 55555554
[  169.163871][ T1391] Call Trace:
[  169.164122][ T1391]  <TASK>
[ 169.164303][ T1391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 169.164662][ T1391] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 169.165003][ T1391] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 169.165432][ T1391] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 169.165771][ T1391] netif_set_mtu (net/core/dev.c:9652) 
[ 169.166101][ T1391] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 169.166452][ T1391] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 169.166930][ T1391] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 169.167187][ T1391] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 169.167662][ T1391] br_add_if (net/bridge/br_if.c:697) bridge 
[ 169.168066][ T1391] do_set_master (net/core/rtnetlink.c:2948) 
[ 169.168425][ T1391] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 169.168772][ T1391] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 169.169131][ T1391] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 169.169480][ T1391] ? __dev_get_by_name (net/core/dev.c:865) 
[ 169.169817][ T1391] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.170159][ T1391] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.170516][ T1391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 169.170853][ T1391] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.171212][ T1391] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 169.171576][ T1391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 169.171916][ T1391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.172266][ T1391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 169.172612][ T1391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.172951][ T1391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.173284][ T1391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 169.173632][ T1391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.174005][ T1391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.174352][ T1391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 169.174701][ T1391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.175044][ T1391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 169.175399][ T1391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 169.175727][ T1391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 169.176061][ T1391] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 169.176406][ T1391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 169.176739][ T1391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.177083][ T1391] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 169.177434][ T1391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 169.178237][ T1391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 169.178589][ T1391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 169.178937][ T1391] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 169.179270][ T1391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 169.180641][ T1391] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 169.181015][ T1391] ___sys_sendmsg (net/socket.c:2670) 
[ 169.181596][ T1391] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 169.181953][ T1391] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 169.182299][ T1391] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.182655][ T1391] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 169.183009][ T1391] ? __handle_mm_fault (mm/memory.c:6212) 
[ 169.183346][ T1391] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 169.183686][ T1391] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 169.184035][ T1391] __sys_sendmsg (net/socket.c:2700) 
[ 169.184375][ T1391] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 169.184713][ T1391] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 169.185295][ T1391] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 169.185656][ T1391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.185997][ T1391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 169.186332][ T1391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.186762][ T1391] RIP: 0033:0x7ff65b84d1e7
[ 169.187108][ T1391] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  169.188805][ T1391] RSP: 002b:00007fff136d8608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  169.189302][ T1391] RAX: ffffffffffffffda RBX: 00007fff136d8d30 RCX: 00007ff65b84d1e7
[  169.189815][ T1391] RDX: 0000000000000000 RSI: 00007fff136d8670 RDI: 0000000000000005
[  169.190311][ T1391] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  169.190849][ T1391] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff136d8d68
[  169.191360][ T1391] R13: 00000000686e348f R14: 0000000000499600 R15: 0000000000000000
| [  169.340193][ T1393] ------------[ cut here ]------------
| [ 169.340688][ T1393] WARNING: CPU: 0 PID: 1393 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  169.341481][ T1393] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  169.342867][ T1393] Tainted: [W]=WARN
[  169.343130][ T1393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.343630][ T1393] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 169.344042][ T1393] 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
[  169.345324][ T1393] RSP: 0018:ffffc90001127080 EFLAGS: 00010246
[  169.345906][ T1393] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  169.346553][ T1393] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  169.347053][ T1393] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000
[  169.347548][ T1393] R10: ffffc90001127198 R11: ffffffff992a8918 R12: 1ffff92000224e14
[  169.348036][ T1393] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff888005c5af08
[  169.348527][ T1393] FS:  00007f7e01669800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  169.349127][ T1393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.349544][ T1393] CR2: 00000000004a1738 CR3: 0000000009957004 CR4: 0000000000772ef0
[  169.350148][ T1393] PKRU: 55555554
[  169.350460][ T1393] Call Trace:
[  169.350793][ T1393]  <TASK>
[ 169.351102][ T1393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 169.351585][ T1393] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 169.351982][ T1393] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 169.352522][ T1393] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 169.352869][ T1393] netif_set_mtu (net/core/dev.c:9652) 
[ 169.353197][ T1393] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 169.353599][ T1393] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 169.354198][ T1393] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 169.354524][ T1393] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 169.355210][ T1393] br_add_if (net/bridge/br_if.c:697) bridge 
[ 169.355593][ T1393] do_set_master (net/core/rtnetlink.c:2948) 
[ 169.355930][ T1393] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 169.356254][ T1393] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 169.356593][ T1393] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 169.356917][ T1393] ? __dev_get_by_name (net/core/dev.c:865) 
[ 169.357239][ T1393] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.357569][ T1393] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.357928][ T1393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 169.358253][ T1393] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.358667][ T1393] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 169.359162][ T1393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 169.359505][ T1393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.359854][ T1393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 169.360227][ T1393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.360628][ T1393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.360972][ T1393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 169.361296][ T1393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.361662][ T1393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.362109][ T1393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 169.362490][ T1393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.362887][ T1393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 169.363231][ T1393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 169.363658][ T1393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 169.364004][ T1393] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 169.364341][ T1393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 169.364692][ T1393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.365043][ T1393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 169.365370][ T1393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 169.365713][ T1393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 169.366048][ T1393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 169.366372][ T1393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 169.366718][ T1393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 169.367139][ T1393] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 169.367490][ T1393] ___sys_sendmsg (net/socket.c:2670) 
[ 169.367908][ T1393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 169.368248][ T1393] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 169.368583][ T1393] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.368914][ T1393] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 169.369336][ T1393] ? __handle_mm_fault (mm/memory.c:6212) 
[ 169.369680][ T1393] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 169.370012][ T1393] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 169.370345][ T1393] __sys_sendmsg (net/socket.c:2700) 
[ 169.370753][ T1393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 169.371119][ T1393] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 169.371467][ T1393] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 169.371896][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.372272][ T1393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 169.372684][ T1393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.373269][ T1393] RIP: 0033:0x7f7e018361e7
[ 169.373654][ T1393] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  169.374929][ T1393] RSP: 002b:00007ffe6bb566d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  169.375477][ T1393] RAX: ffffffffffffffda RBX: 00007ffe6bb56e00 RCX: 00007f7e018361e7
[  169.377097][ T1393] RDX: 0000000000000000 RSI: 00007ffe6bb56740 RDI: 0000000000000005
[  169.377922][ T1393] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  169.378513][ T1393] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe6bb56e38
[  169.379098][ T1393] R13: 00000000686e3490 R14: 0000000000499600 R15: 0000000000000000
| [  169.558984][ T1395] ------------[ cut here ]------------
| [ 169.559481][ T1395] WARNING: CPU: 0 PID: 1395 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  169.560288][ T1395] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  169.561716][ T1395] Tainted: [W]=WARN
[  169.561973][ T1395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.562385][ T1395] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 169.562747][ T1395] 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
[  169.563924][ T1395] RSP: 0018:ffffc90000c37080 EFLAGS: 00010246
[  169.564337][ T1395] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  169.564859][ T1395] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  169.565361][ T1395] RBP: ffffc90000c37168 R08: 0000000000000000 R09: 0000000000000000
[  169.565868][ T1395] R10: ffffc90000c37198 R11: ffffffff992a8918 R12: 1ffff92000186e14
[  169.566351][ T1395] R13: 00000000000005dc R14: ffffc90000c37198 R15: ffff888005c5af08
[  169.566860][ T1395] FS:  00007f2a8ca84800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  169.567440][ T1395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.567865][ T1395] CR2: 00000000004a1738 CR3: 000000000bc68006 CR4: 0000000000772ef0
[  169.568347][ T1395] PKRU: 55555554
[  169.568610][ T1395] Call Trace:
[  169.568869][ T1395]  <TASK>
[ 169.569039][ T1395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 169.569371][ T1395] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 169.569722][ T1395] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 169.570143][ T1395] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 169.570508][ T1395] netif_set_mtu (net/core/dev.c:9652) 
[ 169.570859][ T1395] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 169.571222][ T1395] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 169.571686][ T1395] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 169.571963][ T1395] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 169.572462][ T1395] br_add_if (net/bridge/br_if.c:697) bridge 
[ 169.572841][ T1395] do_set_master (net/core/rtnetlink.c:2948) 
[ 169.573182][ T1395] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 169.573524][ T1395] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 169.573862][ T1395] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 169.574222][ T1395] ? __dev_get_by_name (net/core/dev.c:865) 
[ 169.574564][ T1395] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.574900][ T1395] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.575254][ T1395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 169.575596][ T1395] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.575962][ T1395] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 169.576332][ T1395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 169.576688][ T1395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.577072][ T1395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 169.577405][ T1395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.577733][ T1395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.578068][ T1395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 169.578414][ T1395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.578750][ T1395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.579094][ T1395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 169.579446][ T1395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.579784][ T1395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 169.580135][ T1395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 169.580471][ T1395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 169.580799][ T1395] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 169.581153][ T1395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 169.581507][ T1395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.581869][ T1395] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 169.582219][ T1395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 169.582574][ T1395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 169.582932][ T1395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 169.583303][ T1395] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 169.583653][ T1395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 169.584075][ T1395] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 169.584445][ T1395] ___sys_sendmsg (net/socket.c:2670) 
[ 169.584782][ T1395] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 169.585120][ T1395] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 169.585483][ T1395] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.585812][ T1395] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 169.586141][ T1395] ? __handle_mm_fault (mm/memory.c:6212) 
[ 169.586485][ T1395] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 169.586826][ T1395] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 169.587170][ T1395] __sys_sendmsg (net/socket.c:2700) 
[ 169.587513][ T1395] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 169.587848][ T1395] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 169.588181][ T1395] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 169.588533][ T1395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.588883][ T1395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 169.589220][ T1395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.589645][ T1395] RIP: 0033:0x7f2a8cc511e7
[ 169.589996][ T1395] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  169.591199][ T1395] RSP: 002b:00007fff81280268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  169.591714][ T1395] RAX: ffffffffffffffda RBX: 00007fff81280990 RCX: 00007f2a8cc511e7
[  169.592208][ T1395] RDX: 0000000000000000 RSI: 00007fff812802d0 RDI: 0000000000000005
[  169.592696][ T1395] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  169.593180][ T1395] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff812809c8
[  169.593674][ T1395] R13: 00000000686e3490 R14: 0000000000499600 R15: 0000000000000000
| [  169.754743][ T1398] ------------[ cut here ]------------
| [ 169.755092][ T1398] WARNING: CPU: 0 PID: 1398 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  169.755858][ T1398] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  169.757117][ T1398] Tainted: [W]=WARN
[  169.757382][ T1398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.757833][ T1398] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 169.758206][ T1398] 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
[  169.759478][ T1398] RSP: 0018:ffffc900011d7080 EFLAGS: 00010246
[  169.759922][ T1398] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  169.760482][ T1398] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  169.761017][ T1398] RBP: ffffc900011d7168 R08: 0000000000000000 R09: 0000000000000000
[  169.761558][ T1398] R10: ffffc900011d7198 R11: ffffffff992a8918 R12: 1ffff9200023ae14
[  169.762099][ T1398] R13: 00000000000005dc R14: ffffc900011d7198 R15: ffff888005c5af08
[  169.762620][ T1398] FS:  00007f380464d800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  169.763224][ T1398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.763658][ T1398] CR2: 00000000004a1738 CR3: 0000000004bf6005 CR4: 0000000000772ef0
[  169.764165][ T1398] PKRU: 55555554
[  169.764430][ T1398] Call Trace:
[  169.764688][ T1398]  <TASK>
[ 169.764886][ T1398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 169.765229][ T1398] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 169.765600][ T1398] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 169.766034][ T1398] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 169.766412][ T1398] netif_set_mtu (net/core/dev.c:9652) 
[ 169.766801][ T1398] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 169.767150][ T1398] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 169.767666][ T1398] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 169.767944][ T1398] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 169.768426][ T1398] br_add_if (net/bridge/br_if.c:697) bridge 
[ 169.768833][ T1398] do_set_master (net/core/rtnetlink.c:2948) 
[ 169.769203][ T1398] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 169.769576][ T1398] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 169.769932][ T1398] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 169.770272][ T1398] ? __dev_get_by_name (net/core/dev.c:865) 
[ 169.770684][ T1398] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.771064][ T1398] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.771446][ T1398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 169.771799][ T1398] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.772168][ T1398] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 169.772529][ T1398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 169.772888][ T1398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.773231][ T1398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 169.773567][ T1398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.773909][ T1398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.774239][ T1398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 169.774583][ T1398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.774921][ T1398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.775246][ T1398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 169.775575][ T1398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.775896][ T1398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 169.776237][ T1398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 169.776560][ T1398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 169.776900][ T1398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 169.777234][ T1398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 169.777557][ T1398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.777889][ T1398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 169.778209][ T1398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 169.778535][ T1398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 169.778864][ T1398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 169.779201][ T1398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 169.779528][ T1398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 169.779949][ T1398] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 169.780292][ T1398] ___sys_sendmsg (net/socket.c:2670) 
[ 169.780622][ T1398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 169.780990][ T1398] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 169.781322][ T1398] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.781649][ T1398] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 169.781979][ T1398] ? __handle_mm_fault (mm/memory.c:6212) 
[ 169.782297][ T1398] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 169.782625][ T1398] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 169.782962][ T1398] __sys_sendmsg (net/socket.c:2700) 
[ 169.783282][ T1398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 169.783609][ T1398] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 169.783937][ T1398] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 169.784257][ T1398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.784599][ T1398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 169.784932][ T1398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.785333][ T1398] RIP: 0033:0x7f380481a1e7
[ 169.785671][ T1398] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  169.786839][ T1398] RSP: 002b:00007ffc6724d9a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  169.787339][ T1398] RAX: ffffffffffffffda RBX: 00007ffc6724e0d0 RCX: 00007f380481a1e7
[  169.787836][ T1398] RDX: 0000000000000000 RSI: 00007ffc6724da10 RDI: 0000000000000005
[  169.788311][ T1398] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  169.788817][ T1398] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6724e108
[  169.789288][ T1398] R13: 00000000686e3490 R14: 0000000000499600 R15: 0000000000000000
| [  169.967254][ T1400] ------------[ cut here ]------------
| [ 169.967654][ T1400] WARNING: CPU: 1 PID: 1400 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  169.968324][ T1400] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  169.969506][ T1400] Tainted: [W]=WARN
[  169.969746][ T1400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.970137][ T1400] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 169.970476][ T1400] 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
[  169.971633][ T1400] RSP: 0018:ffffc900011e7080 EFLAGS: 00010246
[  169.972035][ T1400] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  169.972519][ T1400] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  169.972985][ T1400] RBP: ffffc900011e7168 R08: 0000000000000000 R09: 0000000000000000
[  169.973466][ T1400] R10: ffffc900011e7198 R11: ffffffff992a8918 R12: 1ffff9200023ce14
[  169.973937][ T1400] R13: 00000000000005dc R14: ffffc900011e7198 R15: ffff888005c5af08
[  169.974422][ T1400] FS:  00007fe5896fc800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  169.974968][ T1400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.975379][ T1400] CR2: 00000000004a1738 CR3: 000000000f50e003 CR4: 0000000000772ef0
[  169.975865][ T1400] PKRU: 55555554
[  169.976100][ T1400] Call Trace:
[  169.976336][ T1400]  <TASK>
[ 169.976506][ T1400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 169.976827][ T1400] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 169.977156][ T1400] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 169.977556][ T1400] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 169.977872][ T1400] netif_set_mtu (net/core/dev.c:9652) 
[ 169.978189][ T1400] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 169.978522][ T1400] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 169.978963][ T1400] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 169.979207][ T1400] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 169.979647][ T1400] br_add_if (net/bridge/br_if.c:697) bridge 
[ 169.980013][ T1400] do_set_master (net/core/rtnetlink.c:2948) 
[ 169.980336][ T1400] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 169.980666][ T1400] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 169.980999][ T1400] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 169.981316][ T1400] ? __dev_get_by_name (net/core/dev.c:865) 
[ 169.981640][ T1400] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.981954][ T1400] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 169.982276][ T1400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 169.982599][ T1400] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.982917][ T1400] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 169.983250][ T1400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 169.983589][ T1400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.983923][ T1400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 169.984237][ T1400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.984564][ T1400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.984882][ T1400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 169.985199][ T1400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.985528][ T1400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.985859][ T1400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 169.986183][ T1400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.986508][ T1400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 169.986835][ T1400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 169.987155][ T1400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 169.987486][ T1400] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 169.987809][ T1400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 169.988121][ T1400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.988453][ T1400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 169.988771][ T1400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 169.989093][ T1400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 169.989436][ T1400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 169.989757][ T1400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 169.990069][ T1400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 169.990472][ T1400] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 169.990793][ T1400] ___sys_sendmsg (net/socket.c:2670) 
[ 169.991183][ T1400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 169.991531][ T1400] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 169.991864][ T1400] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 169.992192][ T1400] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 169.992539][ T1400] ? __handle_mm_fault (mm/memory.c:6212) 
[ 169.992878][ T1400] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 169.993208][ T1400] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 169.993608][ T1400] __sys_sendmsg (net/socket.c:2700) 
[ 169.993923][ T1400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 169.994259][ T1400] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 169.994610][ T1400] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 169.994941][ T1400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.995279][ T1400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 169.995617][ T1400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.996049][ T1400] RIP: 0033:0x7fe5898c91e7
[ 169.996375][ T1400] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  169.997570][ T1400] RSP: 002b:00007ffd241792b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  169.998072][ T1400] RAX: ffffffffffffffda RBX: 00007ffd241799e0 RCX: 00007fe5898c91e7
[  169.998578][ T1400] RDX: 0000000000000000 RSI: 00007ffd24179320 RDI: 0000000000000005
[  169.999072][ T1400] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  169.999591][ T1400] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd24179a18
[  170.000082][ T1400] R13: 00000000686e3490 R14: 0000000000499600 R15: 0000000000000000
| [  170.162837][ T1402] ------------[ cut here ]------------
| [ 170.163184][ T1402] WARNING: CPU: 0 PID: 1402 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  170.163966][ T1402] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  170.165262][ T1402] Tainted: [W]=WARN
[  170.165540][ T1402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.165979][ T1402] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 170.166355][ 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
[  170.167627][ T1402] RSP: 0018:ffffc900011c7080 EFLAGS: 00010246
[  170.168096][ T1402] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  170.168626][ T1402] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  170.169152][ T1402] RBP: ffffc900011c7168 R08: 0000000000000000 R09: 0000000000000000
[  170.169657][ T1402] R10: ffffc900011c7198 R11: ffffffff992a8918 R12: 1ffff92000238e14
[  170.170183][ T1402] R13: 00000000000005dc R14: ffffc900011c7198 R15: ffff888005c5af08
[  170.170736][ T1402] FS:  00007f432f9fe800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  170.171354][ T1402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.171815][ T1402] CR2: 00000000004a1738 CR3: 000000000f42c004 CR4: 0000000000772ef0
[  170.172345][ T1402] PKRU: 55555554
[  170.172611][ T1402] Call Trace:
[  170.172883][ T1402]  <TASK>
[ 170.173067][ T1402] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.173425][ T1402] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 170.173796][ T1402] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 170.174224][ T1402] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 170.174574][ T1402] netif_set_mtu (net/core/dev.c:9652) 
[ 170.174930][ T1402] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.175304][ T1402] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 170.175813][ T1402] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.176083][ T1402] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 170.176580][ T1402] br_add_if (net/bridge/br_if.c:697) bridge 
[ 170.176969][ T1402] do_set_master (net/core/rtnetlink.c:2948) 
[ 170.177309][ T1402] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 170.177658][ T1402] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 170.178001][ T1402] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 170.178338][ T1402] ? __dev_get_by_name (net/core/dev.c:865) 
[ 170.178676][ T1402] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.179028][ T1402] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.179368][ T1402] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.179945][ T1402] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.180302][ T1402] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 170.180729][ T1402] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.181112][ T1402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.181720][ T1402] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.182065][ T1402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.182422][ T1402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.182772][ T1402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.183358][ T1402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.183725][ T1402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.184084][ T1402] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.184452][ T1402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.184812][ T1402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.185183][ T1402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.185548][ T1402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 170.185904][ T1402] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 170.186514][ T1402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.186862][ T1402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.187228][ T1402] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.187603][ T1402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.188199][ T1402] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.188575][ T1402] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.188932][ T1402] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.189278][ T1402] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.189728][ T1402] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 170.190095][ T1402] ___sys_sendmsg (net/socket.c:2670) 
[ 170.190462][ T1402] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.191087][ T1402] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 170.191689][ T1402] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.192038][ T1402] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 170.192403][ T1402] ? __handle_mm_fault (mm/memory.c:6212) 
[ 170.192761][ T1402] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 170.193114][ T1402] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 170.193493][ T1402] __sys_sendmsg (net/socket.c:2700) 
[ 170.194083][ T1402] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.194898][ T1402] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 170.195954][ T1402] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 170.196327][ T1402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.196691][ T1402] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.197043][ T1402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  170.197487][ T1402] RIP: 0033:0x7f432fbcb1e7
[ 170.197875][ T1402] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  170.199156][ T1402] RSP: 002b:00007ffce5ae83e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  170.199691][ T1402] RAX: ffffffffffffffda RBX: 00007ffce5ae8b10 RCX: 00007f432fbcb1e7
[  170.200223][ T1402] RDX: 0000000000000000 RSI: 00007ffce5ae8450 RDI: 0000000000000005
[  170.201457][ T1402] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  170.202005][ T1402] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffce5ae8b48
[  170.202539][ T1402] R13: 00000000686e3490 R14: 0000000000499600 R15: 0000000000000000
| [  170.371502][ T1404] ------------[ cut here ]------------
| [ 170.371862][ T1404] WARNING: CPU: 2 PID: 1404 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  170.372642][ T1404] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  170.374774][ T1404] Tainted: [W]=WARN
[  170.375076][ T1404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.375555][ T1404] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 170.375945][ T1404] 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
[  170.377198][ T1404] RSP: 0018:ffffc900011f7080 EFLAGS: 00010246
[  170.377681][ T1404] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  170.378205][ T1404] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  170.378756][ T1404] RBP: ffffc900011f7168 R08: 0000000000000000 R09: 0000000000000000
[  170.379286][ T1404] R10: ffffc900011f7198 R11: ffffffff992a8918 R12: 1ffff9200023ee14
[  170.379834][ T1404] R13: 00000000000005dc R14: ffffc900011f7198 R15: ffff888005c5af08
[  170.380347][ T1404] FS:  00007f991289b800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  170.381002][ T1404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.381441][ T1404] CR2: 00000000004a1738 CR3: 000000000c0d4003 CR4: 0000000000772ef0
[  170.381972][ T1404] PKRU: 55555554
[  170.382249][ T1404] Call Trace:
[  170.382535][ T1404]  <TASK>
[ 170.382740][ T1404] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.383107][ T1404] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 170.383473][ T1404] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 170.383922][ T1404] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 170.384270][ T1404] netif_set_mtu (net/core/dev.c:9652) 
[ 170.384637][ T1404] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.385010][ T1404] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 170.385489][ T1404] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.385774][ T1404] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 170.386246][ T1404] br_add_if (net/bridge/br_if.c:697) bridge 
[ 170.386653][ T1404] do_set_master (net/core/rtnetlink.c:2948) 
[ 170.387035][ T1404] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 170.387404][ T1404] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 170.387772][ T1404] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 170.388127][ T1404] ? __dev_get_by_name (net/core/dev.c:865) 
[ 170.388484][ T1404] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.388857][ T1404] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.389209][ T1404] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.389567][ T1404] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.389938][ T1404] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 170.390308][ T1404] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.390666][ T1404] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.391052][ T1404] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.391416][ T1404] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.391768][ T1404] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.392126][ T1404] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.392484][ T1404] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.392846][ T1404] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.393231][ T1404] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.393589][ T1404] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.393950][ T1404] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.394331][ T1404] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.394692][ T1404] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 170.395055][ T1404] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 170.395428][ T1404] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.395778][ T1404] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.396152][ T1404] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.396516][ T1404] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.396866][ T1404] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.397234][ T1404] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.397596][ T1404] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.397948][ T1404] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.398418][ T1404] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 170.398775][ T1404] ___sys_sendmsg (net/socket.c:2670) 
[ 170.399160][ T1404] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.399523][ T1404] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 170.399869][ T1404] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.400232][ T1404] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 170.400605][ T1404] ? __handle_mm_fault (mm/memory.c:6212) 
[ 170.400973][ T1404] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 170.401338][ T1404] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 170.401715][ T1404] __sys_sendmsg (net/socket.c:2700) 
[ 170.402070][ T1404] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.402440][ T1404] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 170.402806][ T1404] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 170.403151][ T1404] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.403531][ T1404] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.403877][ T1404] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  170.404318][ T1404] RIP: 0033:0x7f9912a681e7
[ 170.404685][ T1404] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  170.405963][ T1404] RSP: 002b:00007ffd5cc88d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  170.406510][ T1404] RAX: ffffffffffffffda RBX: 00007ffd5cc894c0 RCX: 00007f9912a681e7
[  170.407032][ T1404] RDX: 0000000000000000 RSI: 00007ffd5cc88e00 RDI: 0000000000000005
[  170.407583][ T1404] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  170.408102][ T1404] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd5cc894f8
[  170.408636][ T1404] R13: 00000000686e3491 R14: 0000000000499600 R15: 0000000000000000
| [  170.538951][ T1405] ------------[ cut here ]------------
| [ 170.539287][ T1405] WARNING: CPU: 0 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) 
| [  170.540079][ T1405] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  170.541323][ T1405] Tainted: [W]=WARN
[  170.541586][ T1405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.542017][ 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) 
[ 170.542369][ 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
[  170.543569][ T1405] RSP: 0018:ffffc90001207080 EFLAGS: 00010246
[  170.544003][ T1405] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  170.544516][ T1405] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  170.545026][ T1405] RBP: ffffc90001207168 R08: 0000000000000000 R09: 0000000000000000
[  170.545560][ T1405] R10: ffffc90001207198 R11: ffffffff992a8918 R12: 1ffff92000240e14
[  170.546068][ T1405] R13: 00000000000005dc R14: ffffc90001207198 R15: ffff888005c5af08
[  170.546574][ T1405] FS:  00007f1ae97e7800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  170.547181][ T1405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.547627][ T1405] CR2: 00000000004a1738 CR3: 000000000c843006 CR4: 0000000000772ef0
[  170.548141][ T1405] PKRU: 55555554
[  170.548400][ T1405] Call Trace:
[  170.548652][ T1405]  <TASK>
[ 170.548824][ T1405] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.549177][ T1405] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 170.549523][ T1405] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 170.549938][ T1405] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 170.550285][ T1405] netif_set_mtu (net/core/dev.c:9652) 
[ 170.550631][ T1405] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.550983][ T1405] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 170.551474][ T1405] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.551729][ T1405] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 170.552189][ T1405] br_add_if (net/bridge/br_if.c:697) bridge 
[ 170.552595][ T1405] do_set_master (net/core/rtnetlink.c:2948) 
[ 170.552929][ T1405] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 170.553267][ T1405] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 170.553622][ T1405] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 170.553953][ T1405] ? __dev_get_by_name (net/core/dev.c:865) 
[ 170.554294][ T1405] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.554645][ T1405] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.554983][ T1405] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.555317][ T1405] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.555677][ T1405] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 170.556020][ T1405] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.556365][ T1405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.556728][ T1405] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.557058][ T1405] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.557416][ T1405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.557753][ T1405] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.558084][ T1405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.558437][ T1405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.558783][ T1405] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.559115][ T1405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.559473][ T1405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.559824][ T1405] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.560160][ 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) 
[ 170.560518][ T1405] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 170.560861][ T1405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.561223][ T1405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.561582][ T1405] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.561922][ T1405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.562255][ T1405] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.562612][ T1405] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.562949][ T1405] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.563269][ T1405] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.563714][ T1405] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 170.564064][ T1405] ___sys_sendmsg (net/socket.c:2670) 
[ 170.564408][ T1405] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.564765][ T1405] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 170.565097][ T1405] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.565449][ T1405] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 170.565805][ T1405] ? __handle_mm_fault (mm/memory.c:6212) 
[ 170.566138][ T1405] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 170.566480][ T1405] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 170.566845][ T1405] __sys_sendmsg (net/socket.c:2700) 
[ 170.567186][ T1405] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.567533][ 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) 
[ 170.567893][ 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) 
[ 170.568245][ T1405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.568591][ T1405] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.568934][ T1405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  170.569365][ T1405] RIP: 0033:0x7f1ae99b41e7
[ 170.569722][ T1405] Code: Unable to access opcode bytes at 0x7f1ae99b41bd.

Code starting with the faulting instruction
===========================================
[  170.570173][ T1405] RSP: 002b:00007ffe1b9cb638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  170.570683][ T1405] RAX: ffffffffffffffda RBX: 00007ffe1b9cbd60 RCX: 00007f1ae99b41e7
[  170.571211][ T1405] RDX: 0000000000000000 RSI: 00007ffe1b9cb6a0 RDI: 0000000000000005
[  170.571728][ T1405] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  170.572257][ T1405] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe1b9cbd98
[  170.572765][ T1405] R13: 00000000686e3491 R14: 0000000000499600 R15: 0000000000000000
| [  170.758057][ T1407] ------------[ cut here ]------------
| [ 170.758504][ T1407] WARNING: CPU: 3 PID: 1407 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  170.759182][ T1407] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  170.760426][ T1407] Tainted: [W]=WARN
[  170.760695][ T1407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.761145][ T1407] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 170.761513][ T1407] 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
[  170.762733][ T1407] RSP: 0018:ffffc90001217080 EFLAGS: 00010246
[  170.763159][ T1407] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  170.763656][ T1407] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  170.764151][ T1407] RBP: ffffc90001217168 R08: 0000000000000000 R09: 0000000000000000
[  170.764661][ T1407] R10: ffffc90001217198 R11: ffffffff992a8918 R12: 1ffff92000242e14
[  170.765156][ T1407] R13: 00000000000005dc R14: ffffc90001217198 R15: ffff888005c5af08
[  170.765674][ T1407] FS:  00007fc909b5d800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  170.766251][ T1407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.766669][ T1407] CR2: 00000000004a1738 CR3: 000000000b67f006 CR4: 0000000000772ef0
[  170.767155][ T1407] PKRU: 55555554
[  170.767414][ T1407] Call Trace:
[  170.767662][ T1407]  <TASK>
[ 170.767831][ T1407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.768166][ T1407] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 170.768524][ T1407] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 170.768952][ T1407] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 170.769308][ T1407] netif_set_mtu (net/core/dev.c:9652) 
[ 170.769669][ T1407] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.770025][ T1407] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 170.770514][ T1407] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.770777][ T1407] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 170.771235][ T1407] br_add_if (net/bridge/br_if.c:697) bridge 
[ 170.771618][ T1407] do_set_master (net/core/rtnetlink.c:2948) 
[ 170.771939][ T1407] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 170.772276][ T1407] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 170.772642][ T1407] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 170.772989][ T1407] ? __dev_get_by_name (net/core/dev.c:865) 
[ 170.773324][ T1407] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.773660][ T1407] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.773997][ T1407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.774325][ T1407] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.774669][ T1407] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 170.775020][ T1407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.775354][ T1407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.775697][ T1407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.776020][ T1407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.776374][ T1407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.776713][ T1407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.777051][ T1407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.777386][ T1407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.777728][ T1407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.778066][ T1407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.778407][ T1407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.778749][ T1407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.779076][ T1407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 170.779418][ T1407] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 170.779753][ T1407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.780088][ T1407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.780434][ T1407] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.780766][ T1407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.781118][ T1407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.781479][ T1407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.781828][ T1407] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.782165][ T1407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.782632][ T1407] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 170.782969][ T1407] ___sys_sendmsg (net/socket.c:2670) 
[ 170.783300][ T1407] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.783635][ T1407] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 170.783967][ T1407] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.784304][ T1407] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 170.784648][ T1407] ? __handle_mm_fault (mm/memory.c:6212) 
[ 170.784978][ T1407] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 170.785309][ T1407] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 170.785662][ T1407] __sys_sendmsg (net/socket.c:2700) 
[ 170.785995][ T1407] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.786323][ T1407] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 170.786670][ T1407] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 170.787010][ T1407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.787343][ T1407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.787679][ T1407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  170.788085][ T1407] RIP: 0033:0x7fc909d2a1e7
[ 170.788431][ T1407] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  170.789611][ T1407] RSP: 002b:00007ffec9c345e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  170.790112][ T1407] RAX: ffffffffffffffda RBX: 00007ffec9c34d10 RCX: 00007fc909d2a1e7
[  170.790607][ T1407] RDX: 0000000000000000 RSI: 00007ffec9c34650 RDI: 0000000000000005
[  170.791110][ T1407] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  170.791600][ T1407] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffec9c34d48
[  170.792086][ T1407] R13: 00000000686e3491 R14: 0000000000499600 R15: 0000000000000000
| [  170.968224][ T1409] ------------[ cut here ]------------
| [ 170.968673][ T1409] WARNING: CPU: 2 PID: 1409 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  170.969388][ T1409] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  170.970655][ T1409] Tainted: [W]=WARN
[  170.970920][ T1409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.971438][ T1409] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 170.971801][ T1409] 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
[  170.973021][ T1409] RSP: 0018:ffffc90001227080 EFLAGS: 00010246
[  170.973479][ T1409] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  170.974012][ T1409] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  170.974547][ T1409] RBP: ffffc90001227168 R08: 0000000000000000 R09: 0000000000000000
[  170.975056][ T1409] R10: ffffc90001227198 R11: ffffffff992a8918 R12: 1ffff92000244e14
[  170.975590][ T1409] R13: 00000000000005dc R14: ffffc90001227198 R15: ffff888005c5af08
[  170.976104][ T1409] FS:  00007f7c21f17800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  170.976720][ T1409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.977168][ T1409] CR2: 00000000004a1738 CR3: 00000000145c4002 CR4: 0000000000772ef0
[  170.977726][ T1409] PKRU: 55555554
[  170.977997][ T1409] Call Trace:
[  170.978262][ T1409]  <TASK>
[ 170.978459][ T1409] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.978845][ T1409] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 170.979210][ T1409] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 170.979694][ T1409] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 170.980051][ T1409] netif_set_mtu (net/core/dev.c:9652) 
[ 170.980413][ T1409] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.980787][ T1409] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 170.981294][ T1409] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.981593][ T1409] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 170.982066][ T1409] br_add_if (net/bridge/br_if.c:697) bridge 
[ 170.982483][ T1409] do_set_master (net/core/rtnetlink.c:2948) 
[ 170.982851][ T1409] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 170.983202][ T1409] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 170.983564][ T1409] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 170.983936][ T1409] ? __dev_get_by_name (net/core/dev.c:865) 
[ 170.984291][ T1409] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.984669][ T1409] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.985027][ T1409] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.985379][ T1409] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.985767][ T1409] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 170.986126][ T1409] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.986488][ T1409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.986865][ T1409] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.987209][ T1409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.987569][ T1409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.987932][ T1409] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.988277][ T1409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.988635][ T1409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.989007][ T1409] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.989356][ T1409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.989717][ T1409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.990124][ T1409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.990487][ T1409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 170.990855][ T1409] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 170.991223][ T1409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.991580][ T1409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.991951][ T1409] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.992307][ T1409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.992673][ T1409] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.993054][ T1409] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.993424][ T1409] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.993775][ T1409] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.994232][ T1409] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 170.994607][ T1409] ___sys_sendmsg (net/socket.c:2670) 
[ 170.994980][ T1409] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.995332][ T1409] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 170.995689][ T1409] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.996074][ T1409] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 170.996434][ T1409] ? __handle_mm_fault (mm/memory.c:6212) 
[ 170.996780][ T1409] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 170.997145][ T1409] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 170.997513][ T1409] __sys_sendmsg (net/socket.c:2700) 
[ 170.997858][ T1409] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.998211][ T1409] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 170.998606][ T1409] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 170.998970][ T1409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.999322][ T1409] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.999687][ T1409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.000131][ T1409] RIP: 0033:0x7f7c220e41e7
[ 171.000506][ T1409] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  171.001730][ T1409] RSP: 002b:00007fff742948a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.002289][ T1409] RAX: ffffffffffffffda RBX: 00007fff74294fd0 RCX: 00007f7c220e41e7
[  171.002809][ T1409] RDX: 0000000000000000 RSI: 00007fff74294910 RDI: 0000000000000005
[  171.003353][ T1409] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  171.003930][ T1409] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff74295008
[  171.004501][ T1409] R13: 00000000686e3491 R14: 0000000000499600 R15: 0000000000000000
| [  171.178197][ T1411] ------------[ cut here ]------------
| [ 171.178640][ T1411] WARNING: CPU: 3 PID: 1411 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  171.179297][ T1411] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  171.180488][ T1411] Tainted: [W]=WARN
[  171.180735][ T1411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.181140][ T1411] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 171.181479][ T1411] 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
[  171.182663][ T1411] RSP: 0018:ffffc90001227080 EFLAGS: 00010246
[  171.183096][ T1411] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  171.183611][ T1411] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  171.184096][ T1411] RBP: ffffc90001227168 R08: 0000000000000000 R09: 0000000000000000
[  171.184596][ T1411] R10: ffffc90001227198 R11: ffffffff992a8918 R12: 1ffff92000244e14
[  171.185079][ T1411] R13: 00000000000005dc R14: ffffc90001227198 R15: ffff888005c5af08
[  171.185589][ T1411] FS:  00007fcb724d6800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  171.186160][ T1411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.186582][ T1411] CR2: 00000000004a1738 CR3: 000000001459d001 CR4: 0000000000772ef0
[  171.187069][ T1411] PKRU: 55555554
[  171.187315][ T1411] Call Trace:
[  171.187568][ T1411]  <TASK>
[ 171.187745][ T1411] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.188076][ T1411] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 171.188420][ T1411] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 171.188823][ T1411] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 171.189145][ T1411] netif_set_mtu (net/core/dev.c:9652) 
[ 171.189477][ T1411] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.189815][ T1411] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 171.190279][ T1411] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.190537][ T1411] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 171.191002][ T1411] br_add_if (net/bridge/br_if.c:697) bridge 
[ 171.191376][ T1411] do_set_master (net/core/rtnetlink.c:2948) 
[ 171.191708][ T1411] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 171.192036][ T1411] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 171.192369][ T1411] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 171.192702][ T1411] ? __dev_get_by_name (net/core/dev.c:865) 
[ 171.193027][ T1411] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.193353][ T1411] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.193694][ T1411] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.194017][ T1411] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.194407][ T1411] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 171.194835][ T1411] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.195203][ T1411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.195562][ T1411] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.196024][ T1411] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.196580][ T1411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.197124][ T1411] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.197678][ T1411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.198226][ T1411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.198797][ T1411] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.199358][ T1411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.199922][ T1411] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.200499][ T1411] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.201055][ T1411] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 171.201618][ T1411] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 171.202176][ T1411] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.202734][ T1411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.203301][ T1411] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.203863][ T1411] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.204426][ T1411] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.204991][ T1411] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.205573][ T1411] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.205933][ T1411] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.206498][ T1411] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 171.207033][ T1411] ___sys_sendmsg (net/socket.c:2670) 
[ 171.207437][ T1411] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.207880][ T1411] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 171.208406][ T1411] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.208818][ T1411] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 171.209159][ T1411] ? __handle_mm_fault (mm/memory.c:6212) 
[ 171.209587][ T1411] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 171.210088][ T1411] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 171.210629][ T1411] __sys_sendmsg (net/socket.c:2700) 
[ 171.211139][ T1411] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.211647][ T1411] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 171.212064][ T1411] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 171.212447][ T1411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.212896][ T1411] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.213475][ T1411] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.214143][ T1411] RIP: 0033:0x7fcb726a31e7
[ 171.214718][ T1411] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  171.216669][ T1411] RSP: 002b:00007fff53164748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.217353][ T1411] RAX: ffffffffffffffda RBX: 00007fff53164e70 RCX: 00007fcb726a31e7
[  171.218128][ T1411] RDX: 0000000000000000 RSI: 00007fff531647b0 RDI: 0000000000000005
[  171.218975][ T1411] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  171.219820][ T1411] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff53164ea8
[  171.220646][ T1411] R13: 00000000686e3491 R14: 0000000000499600 R15: 0000000000000000
| [  171.392342][ T1414] ------------[ cut here ]------------
| [ 171.392810][ T1414] WARNING: CPU: 2 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) 
| [  171.393516][ T1414] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  171.394779][ T1414] Tainted: [W]=WARN
[  171.395075][ T1414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.395521][ 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) 
[ 171.395895][ 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
[  171.397100][ T1414] RSP: 0018:ffffc90001227080 EFLAGS: 00010246
[  171.397536][ T1414] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  171.398077][ T1414] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  171.398597][ T1414] RBP: ffffc90001227168 R08: 0000000000000000 R09: 0000000000000000
[  171.399130][ T1414] R10: ffffc90001227198 R11: ffffffff992a8918 R12: 1ffff92000244e14
[  171.399654][ T1414] R13: 00000000000005dc R14: ffffc90001227198 R15: ffff888005c5af08
[  171.400168][ T1414] FS:  00007f5dc6eb2800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  171.400762][ T1414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.401244][ T1414] CR2: 00000000004a1738 CR3: 00000000057ad004 CR4: 0000000000772ef0
[  171.401764][ T1414] PKRU: 55555554
[  171.402051][ T1414] Call Trace:
[  171.402314][ T1414]  <TASK>
[ 171.402514][ T1414] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.402867][ T1414] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 171.403237][ T1414] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 171.403683][ T1414] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 171.404044][ T1414] netif_set_mtu (net/core/dev.c:9652) 
[ 171.404424][ T1414] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.404805][ T1414] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 171.405334][ T1414] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.405627][ T1414] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 171.406140][ T1414] br_add_if (net/bridge/br_if.c:697) bridge 
[ 171.406593][ T1414] do_set_master (net/core/rtnetlink.c:2948) 
[ 171.406968][ T1414] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 171.407382][ T1414] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 171.407770][ T1414] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 171.408141][ T1414] ? __dev_get_by_name (net/core/dev.c:865) 
[ 171.408523][ T1414] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.408889][ T1414] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.409266][ T1414] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.409636][ T1414] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.410002][ T1414] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 171.410410][ T1414] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.410795][ T1414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.411196][ T1414] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.411584][ T1414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.411979][ T1414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.412367][ T1414] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.412746][ T1414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.413107][ T1414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.413519][ T1414] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.413894][ T1414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.414280][ T1414] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.414669][ T1414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.415036][ 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) 
[ 171.415429][ T1414] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 171.415804][ T1414] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.416172][ T1414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.416566][ T1414] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.416942][ T1414] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.417315][ T1414] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.417709][ T1414] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.418085][ T1414] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.418478][ T1414] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.418936][ T1414] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 171.419322][ T1414] ___sys_sendmsg (net/socket.c:2670) 
[ 171.419754][ T1414] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.420130][ T1414] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 171.420527][ T1414] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.420912][ T1414] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 171.421301][ T1414] ? __handle_mm_fault (mm/memory.c:6212) 
[ 171.421693][ T1414] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 171.422056][ T1414] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 171.422465][ T1414] __sys_sendmsg (net/socket.c:2700) 
[ 171.422837][ T1414] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.423201][ 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) 
[ 171.423618][ 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) 
[ 171.424003][ T1414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.424373][ T1414] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.424763][ T1414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.425213][ T1414] RIP: 0033:0x7f5dc707f1e7
[ 171.425633][ 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)
[  171.426934][ T1414] RSP: 002b:00007ffd97a626c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.427494][ T1414] RAX: ffffffffffffffda RBX: 00007ffd97a62df0 RCX: 00007f5dc707f1e7
[  171.428056][ T1414] RDX: 0000000000000000 RSI: 00007ffd97a62730 RDI: 0000000000000005
[  171.428644][ T1414] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  171.429192][ T1414] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd97a62e28
[  171.429774][ T1414] R13: 00000000686e3492 R14: 0000000000499600 R15: 0000000000000000
| [  171.595604][ T1416] ------------[ cut here ]------------
| [ 171.596087][ T1416] WARNING: CPU: 2 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) 
| [  171.596830][ T1416] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  171.598166][ T1416] Tainted: [W]=WARN
[  171.598454][ T1416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.598927][ 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) 
[ 171.599305][ 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
[  171.600590][ T1416] RSP: 0018:ffffc90001217080 EFLAGS: 00010246
[  171.601076][ T1416] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  171.601637][ T1416] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  171.602183][ T1416] RBP: ffffc90001217168 R08: 0000000000000000 R09: 0000000000000000
[  171.602753][ T1416] R10: ffffc90001217198 R11: ffffffff992a8918 R12: 1ffff92000242e14
[  171.603294][ T1416] R13: 00000000000005dc R14: ffffc90001217198 R15: ffff888005c5af08
[  171.603821][ T1416] FS:  00007fba5f419800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  171.604476][ T1416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.604925][ T1416] CR2: 00000000004a1738 CR3: 0000000005a2d001 CR4: 0000000000772ef0
[  171.605475][ T1416] PKRU: 55555554
[  171.605745][ T1416] Call Trace:
[  171.606027][ T1416]  <TASK>
[ 171.606221][ T1416] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.606593][ T1416] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 171.606946][ T1416] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 171.607409][ T1416] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 171.607766][ T1416] netif_set_mtu (net/core/dev.c:9652) 
[ 171.608130][ T1416] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.608506][ T1416] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 171.608989][ T1416] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.609268][ T1416] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 171.609754][ T1416] br_add_if (net/bridge/br_if.c:697) bridge 
[ 171.610189][ T1416] do_set_master (net/core/rtnetlink.c:2948) 
[ 171.610549][ T1416] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 171.610907][ T1416] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 171.611314][ T1416] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 171.611703][ T1416] ? __dev_get_by_name (net/core/dev.c:865) 
[ 171.612083][ T1416] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.612478][ T1416] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.612851][ T1416] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.613229][ T1416] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.613626][ T1416] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 171.614006][ T1416] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.614403][ T1416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.614786][ T1416] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.615148][ T1416] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.615527][ T1416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.615916][ T1416] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.616316][ T1416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.616715][ T1416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.617094][ T1416] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.617521][ T1416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.617899][ T1416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.618303][ T1416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.618682][ 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) 
[ 171.619052][ T1416] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 171.619448][ T1416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.619816][ T1416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.620193][ T1416] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.620581][ T1416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.620963][ T1416] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.621359][ T1416] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.621746][ T1416] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.622113][ T1416] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.622615][ T1416] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 171.622992][ T1416] ___sys_sendmsg (net/socket.c:2670) 
[ 171.623369][ T1416] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.623760][ T1416] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 171.624133][ T1416] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.624524][ T1416] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 171.624898][ T1416] ? __handle_mm_fault (mm/memory.c:6212) 
[ 171.625271][ T1416] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 171.625670][ T1416] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 171.626056][ T1416] __sys_sendmsg (net/socket.c:2700) 
[ 171.626472][ T1416] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.626849][ 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) 
[ 171.627234][ 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) 
[ 171.627643][ T1416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.628016][ T1416] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.628381][ T1416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.628873][ T1416] RIP: 0033:0x7fba5f5e61e7
[ 171.629265][ 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)
[  171.630632][ T1416] RSP: 002b:00007ffecea96df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.631211][ T1416] RAX: ffffffffffffffda RBX: 00007ffecea97520 RCX: 00007fba5f5e61e7
[  171.631775][ T1416] RDX: 0000000000000000 RSI: 00007ffecea96e60 RDI: 0000000000000005
[  171.632326][ T1416] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  171.632901][ T1416] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffecea97558
[  171.633461][ T1416] R13: 00000000686e3492 R14: 0000000000499600 R15: 0000000000000000
| [  171.817129][ T1418] ------------[ cut here ]------------
| [ 171.817579][ T1418] WARNING: CPU: 2 PID: 1418 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  171.818220][ T1418] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  171.819421][ T1418] Tainted: [W]=WARN
[  171.819707][ T1418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.820123][ 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) 
[ 171.820512][ 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
[  171.821694][ T1418] RSP: 0018:ffffc90001217080 EFLAGS: 00010246
[  171.822148][ T1418] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  171.822678][ T1418] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  171.823180][ T1418] RBP: ffffc90001217168 R08: 0000000000000000 R09: 0000000000000000
[  171.823688][ T1418] R10: ffffc90001217198 R11: ffffffff992a8918 R12: 1ffff92000242e14
[  171.824177][ T1418] R13: 00000000000005dc R14: ffffc90001217198 R15: ffff888005c5af08
[  171.824733][ T1418] FS:  00007f4296f17800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  171.825318][ T1418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.825791][ T1418] CR2: 00007fa52394c938 CR3: 000000000cbf4005 CR4: 0000000000772ef0
[  171.826289][ T1418] PKRU: 55555554
[  171.826550][ T1418] Call Trace:
[  171.826822][ T1418]  <TASK>
[ 171.827005][ T1418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.827361][ T1418] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 171.827721][ T1418] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 171.828130][ T1418] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 171.828475][ T1418] netif_set_mtu (net/core/dev.c:9652) 
[ 171.828829][ T1418] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.829182][ T1418] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 171.829666][ T1418] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.829933][ T1418] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 171.830416][ T1418] br_add_if (net/bridge/br_if.c:697) bridge 
[ 171.830812][ T1418] do_set_master (net/core/rtnetlink.c:2948) 
[ 171.831162][ T1418] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 171.831513][ T1418] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 171.831893][ T1418] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 171.832224][ T1418] ? __dev_get_by_name (net/core/dev.c:865) 
[ 171.832567][ T1418] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.832918][ T1418] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.833255][ T1418] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.833591][ T1418] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.833956][ T1418] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 171.834299][ T1418] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.834646][ T1418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.835003][ T1418] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.835329][ T1418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.835677][ T1418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.836026][ T1418] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.836362][ T1418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.836705][ T1418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.837060][ T1418] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.837407][ T1418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.837747][ T1418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.838129][ T1418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.838481][ 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) 
[ 171.838816][ T1418] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 171.839165][ T1418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.839506][ T1418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.839855][ T1418] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.840210][ T1418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.840575][ T1418] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.840929][ T1418] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.841282][ T1418] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.841629][ T1418] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.842061][ T1418] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 171.842417][ T1418] ___sys_sendmsg (net/socket.c:2670) 
[ 171.842746][ T1418] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.843089][ T1418] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 171.843431][ T1418] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.843767][ T1418] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 171.844134][ T1418] ? __handle_mm_fault (mm/memory.c:6212) 
[ 171.844485][ T1418] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 171.844820][ T1418] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 171.845184][ T1418] __sys_sendmsg (net/socket.c:2700) 
[ 171.845555][ T1418] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.845888][ 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) 
[ 171.846276][ 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) 
[ 171.846624][ T1418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.846959][ T1418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.847321][ T1418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.847741][ T1418] RIP: 0033:0x7f42970e41e7
[ 171.848081][ 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)
[  171.849265][ T1418] RSP: 002b:00007ffdf546ab98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.849779][ T1418] RAX: ffffffffffffffda RBX: 00007ffdf546b2c0 RCX: 00007f42970e41e7
[  171.850303][ T1418] RDX: 0000000000000000 RSI: 00007ffdf546ac00 RDI: 0000000000000005
[  171.850800][ T1418] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  171.851317][ T1418] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf546b2f8
[  171.851821][ T1418] R13: 00000000686e3492 R14: 0000000000499600 R15: 0000000000000000
| [  172.004616][ T1419] ------------[ cut here ]------------
| [ 172.004946][ T1419] WARNING: CPU: 0 PID: 1419 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  172.005651][ T1419] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  172.006822][ T1419] Tainted: [W]=WARN
[  172.007062][ T1419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 172.007471][ T1419] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 172.007805][ T1419] 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
[  172.008939][ T1419] RSP: 0018:ffffc90001237080 EFLAGS: 00010246
[  172.009368][ T1419] RAX: 0000000000000000 RBX: ffff888005c5a000 RCX: 0000000000000001
[  172.009874][ T1419] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  172.010363][ T1419] RBP: ffffc90001237168 R08: 0000000000000000 R09: 0000000000000000
[  172.010881][ T1419] R10: ffffc90001237198 R11: ffffffff992a8918 R12: 1ffff92000246e14
[  172.011409][ T1419] R13: 00000000000005dc R14: ffffc90001237198 R15: ffff888005c5af08
[  172.011899][ T1419] FS:  00007ff332084800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  172.012459][ T1419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  172.012856][ T1419] CR2: 00000000004a1738 CR3: 000000000c9f7001 CR4: 0000000000772ef0
[  172.013341][ T1419] PKRU: 55555554
[  172.013589][ T1419] Call Trace:
[  172.013832][ T1419]  <TASK>
[ 172.013996][ T1419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 172.014321][ T1419] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 172.014655][ T1419] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 172.015054][ T1419] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 172.015373][ T1419] netif_set_mtu (net/core/dev.c:9652) 
[ 172.015723][ T1419] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 172.016095][ T1419] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 172.016631][ T1419] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 172.016932][ T1419] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 172.017474][ T1419] br_add_if (net/bridge/br_if.c:697) bridge 
[ 172.017907][ T1419] do_set_master (net/core/rtnetlink.c:2948) 
[ 172.018290][ T1419] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 172.018651][ T1419] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 172.019044][ T1419] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 172.019445][ T1419] ? __dev_get_by_name (net/core/dev.c:865) 
[ 172.019854][ T1419] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 172.020265][ T1419] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 172.020682][ T1419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 172.021104][ T1419] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 172.021509][ T1419] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 172.021920][ T1419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 172.022295][ T1419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 172.022697][ T1419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 172.023076][ T1419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 172.023451][ T1419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 172.023835][ T1419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 172.024213][ T1419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 172.024579][ T1419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 172.024948][ T1419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 172.025301][ T1419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 172.025672][ T1419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 172.026039][ T1419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 172.026453][ T1419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 172.026857][ T1419] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 172.027231][ T1419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 172.027610][ T1419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 172.027972][ T1419] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 172.028294][ T1419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 172.028621][ T1419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 172.028951][ T1419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 172.029270][ T1419] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 172.029595][ T1419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 172.029998][ T1419] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 172.030330][ T1419] ___sys_sendmsg (net/socket.c:2670) 
[ 172.030662][ T1419] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 172.030995][ T1419] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 172.031313][ T1419] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 172.031636][ T1419] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 172.031973][ T1419] ? __handle_mm_fault (mm/memory.c:6212) 
[ 172.032294][ T1419] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 172.032622][ T1419] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 172.032953][ T1419] __sys_sendmsg (net/socket.c:2700) 
[ 172.033270][ T1419] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 172.033592][ T1419] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 172.033924][ T1419] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 172.034244][ T1419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 172.034583][ T1419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 172.034907][ T1419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  172.035302][ T1419] RIP: 0033:0x7ff3322511e7
[ 172.035641][ T1419] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  172.036827][ T1419] RSP: 002b:00007ffcbdec3388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  172.037310][ T1419] RAX: ffffffffffffffda RBX: 00007ffcbdec3ab0 RCX: 00007ff3322511e7
[  172.037803][ T1419] RDX: 0000000000000000 RSI: 00007ffcbdec33f0 RDI: 0000000000000005
[  172.038305][ T1419] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  172.038828][ T1419] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcbdec3ae8
[  172.039306][ T1419] R13: 00000000686e3492 R14: 0000000000499600 R15: 0000000000000000
| [  460.718086][T18027] ------------[ cut here ]------------
| [460.718420][T18027] WARNING: CPU: 3 PID: 18027 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  460.719053][T18027] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  460.720498][T18027] Tainted: [W]=WARN
[  460.720746][T18027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[460.721142][T18027] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 460.721532][T18027] 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
[  460.722679][T18027] RSP: 0018:ffffc90008fb7080 EFLAGS: 00010246
[  460.723086][T18027] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  460.723573][T18027] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  460.724053][T18027] RBP: ffffc90008fb7168 R08: 0000000000000000 R09: 0000000000000000
[  460.724551][T18027] R10: ffffc90008fb7198 R11: ffffffff992a8918 R12: 1ffff920011f6e14
[  460.725073][T18027] R13: 00000000000005dc R14: ffffc90008fb7198 R15: ffff888013bf2f08
[  460.725633][T18027] FS:  00007faef7e22800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  460.726190][T18027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  460.726604][T18027] CR2: 00000000004a1738 CR3: 00000000026ba006 CR4: 0000000000772ef0
[  460.727106][T18027] PKRU: 55555554
[  460.727377][T18027] Call Trace:
[  460.727623][T18027]  <TASK>
[460.727789][T18027] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[460.728112][T18027] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[460.728444][T18027] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[460.728860][T18027] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[460.729183][T18027] netif_set_mtu (net/core/dev.c:9652) 
[460.729520][T18027] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[460.729870][T18027] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[460.730319][T18027] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[460.730569][T18027] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[460.731003][T18027] br_add_if (net/bridge/br_if.c:697) bridge 
[460.731400][T18027] do_set_master (net/core/rtnetlink.c:2948) 
[460.731720][T18027] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[460.732047][T18027] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[460.732401][T18027] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[460.732721][T18027] ? __dev_get_by_name (net/core/dev.c:865) 
[460.733041][T18027] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[460.733359][T18027] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[460.733689][T18027] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[460.734006][T18027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[460.734335][T18027] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[460.734666][T18027] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[460.734990][T18027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[460.735317][T18027] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[460.735638][T18027] ? __lock_release (kernel/locking/lockdep.c:5539) 
[460.735956][T18027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[460.736272][T18027] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[460.736596][T18027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[460.736944][T18027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[460.737287][T18027] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[460.737648][T18027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[460.737966][T18027] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[460.738292][T18027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[460.738615][T18027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[460.738940][T18027] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[460.739259][T18027] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[460.739593][T18027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[460.739942][T18027] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[460.740266][T18027] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[460.740593][T18027] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[460.740923][T18027] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[460.741245][T18027] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[460.741589][T18027] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[460.742008][T18027] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[460.742359][T18027] ___sys_sendmsg (net/socket.c:2670) 
[460.742710][T18027] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[460.743031][T18027] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[460.743362][T18027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[460.743689][T18027] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[460.744019][T18027] ? __handle_mm_fault (mm/memory.c:6212) 
[460.744344][T18027] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[460.744669][T18027] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[460.745008][T18027] __sys_sendmsg (net/socket.c:2700) 
[460.745335][T18027] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[460.745902][T18027] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[460.746237][T18027] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[460.746821][T18027] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[460.747145][T18027] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[460.747699][T18027] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  460.748095][T18027] RIP: 0033:0x7faef7fef1e7
[ 460.748900][T18027] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  460.750287][T18027] RSP: 002b:00007ffc8326c1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  460.750776][T18027] RAX: ffffffffffffffda RBX: 00007ffc8326c8d0 RCX: 00007faef7fef1e7
[  460.751255][T18027] RDX: 0000000000000000 RSI: 00007ffc8326c210 RDI: 0000000000000005
[  460.751985][T18027] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  460.752499][T18027] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8326c908
[  460.753214][T18027] R13: 00000000686e35b3 R14: 0000000000499600 R15: 0000000000000000
| [  460.907426][T18028] ------------[ cut here ]------------
| [460.907778][T18028] WARNING: CPU: 0 PID: 18028 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  460.908463][T18028] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  460.909654][T18028] Tainted: [W]=WARN
[  460.909906][T18028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[460.910311][T18028] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 460.910649][T18028] 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
[  460.911819][T18028] RSP: 0018:ffffc90005147080 EFLAGS: 00010246
[  460.912228][T18028] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  460.912731][T18028] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  460.913243][T18028] RBP: ffffc90005147168 R08: 0000000000000000 R09: 0000000000000000
[  460.913758][T18028] R10: ffffc90005147198 R11: ffffffff992a8918 R12: 1ffff92000a28e14
[  460.914275][T18028] R13: 00000000000005dc R14: ffffc90005147198 R15: ffff888013bf2f08
[  460.914777][T18028] FS:  00007f8024757800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  460.915364][T18028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  460.915797][T18028] CR2: 00000000004a1738 CR3: 0000000014373006 CR4: 0000000000772ef0
[  460.916336][T18028] PKRU: 55555554
[  460.916591][T18028] Call Trace:
[  460.916833][T18028]  <TASK>
[460.917025][T18028] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[460.917385][T18028] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[460.917745][T18028] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[460.918168][T18028] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[460.918504][T18028] netif_set_mtu (net/core/dev.c:9652) 
[460.918832][T18028] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[460.919169][T18028] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[460.919639][T18028] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[460.919901][T18028] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[460.920339][T18028] br_add_if (net/bridge/br_if.c:697) bridge 
[460.920722][T18028] do_set_master (net/core/rtnetlink.c:2948) 
[460.921054][T18028] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[460.921399][T18028] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[460.921743][T18028] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[460.922082][T18028] ? __dev_get_by_name (net/core/dev.c:865) 
[460.922420][T18028] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[460.922742][T18028] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[460.923065][T18028] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[460.923386][T18028] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[460.923740][T18028] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[460.924094][T18028] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[460.924448][T18028] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[460.924836][T18028] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[460.925165][T18028] ? __lock_release (kernel/locking/lockdep.c:5539) 
[460.925509][T18028] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[460.925842][T18028] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[460.926194][T18028] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[460.926570][T18028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[460.926945][T18028] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[460.927296][T18028] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[460.927662][T18028] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[460.928017][T18028] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[460.928342][T18028] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[460.928682][T18028] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[460.929023][T18028] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[460.929361][T18028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[460.929743][T18028] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[460.930099][T18028] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[460.930446][T18028] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[460.930794][T18028] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[460.931135][T18028] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[460.931502][T18028] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[460.931926][T18028] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[460.932268][T18028] ___sys_sendmsg (net/socket.c:2670) 
[460.932614][T18028] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[460.932948][T18028] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[460.933288][T18028] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[460.933667][T18028] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[460.934010][T18028] ? __handle_mm_fault (mm/memory.c:6212) 
[460.934365][T18028] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[460.934758][T18028] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[460.935109][T18028] __sys_sendmsg (net/socket.c:2700) 
[460.935455][T18028] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[460.935814][T18028] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[460.936144][T18028] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[460.936474][T18028] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[460.936818][T18028] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[460.937141][T18028] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  460.937570][T18028] RIP: 0033:0x7f80249241e7
[ 460.937919][T18028] Code: Unable to access opcode bytes at 0x7f80249241bd.

Code starting with the faulting instruction
===========================================
[  460.938351][T18028] RSP: 002b:00007ffdb7567618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  460.938878][T18028] RAX: ffffffffffffffda RBX: 00007ffdb7567d40 RCX: 00007f80249241e7
[  460.939382][T18028] RDX: 0000000000000000 RSI: 00007ffdb7567680 RDI: 0000000000000005
[  460.939947][T18028] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  460.940465][T18028] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdb7567d78
[  460.940947][T18028] R13: 00000000686e35b3 R14: 0000000000499600 R15: 0000000000000000
| [  461.164427][T18031] ------------[ cut here ]------------
| [461.164969][T18031] WARNING: CPU: 3 PID: 18031 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  461.166385][T18031] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  461.168356][T18031] Tainted: [W]=WARN
[  461.168762][T18031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[461.169423][T18031] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 461.169995][T18031] 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
[  461.172085][T18031] RSP: 0018:ffffc90008fb7080 EFLAGS: 00010246
[  461.172779][T18031] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  461.173576][T18031] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  461.174411][T18031] RBP: ffffc90008fb7168 R08: 0000000000000000 R09: 0000000000000000
[  461.175252][T18031] R10: ffffc90008fb7198 R11: ffffffff992a8918 R12: 1ffff920011f6e14
[  461.176083][T18031] R13: 00000000000005dc R14: ffffc90008fb7198 R15: ffff888013bf2f08
[  461.176960][T18031] FS:  00007f2759163800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  461.177997][T18031] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  461.178772][T18031] CR2: 00000000004a1738 CR3: 0000000013b0a003 CR4: 0000000000772ef0
[  461.179658][T18031] PKRU: 55555554
[  461.180108][T18031] Call Trace:
[  461.180571][T18031]  <TASK>
[461.180885][T18031] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[461.181535][T18031] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[461.182119][T18031] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[461.182881][T18031] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[461.183506][T18031] netif_set_mtu (net/core/dev.c:9652) 
[461.184103][T18031] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[461.184744][T18031] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[461.185604][T18031] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[461.186027][T18031] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[461.186794][T18031] br_add_if (net/bridge/br_if.c:697) bridge 
[461.187456][T18031] do_set_master (net/core/rtnetlink.c:2948) 
[461.188019][T18031] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[461.188622][T18031] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[461.189197][T18031] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[461.189776][T18031] ? __dev_get_by_name (net/core/dev.c:865) 
[461.190347][T18031] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[461.190926][T18031] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[461.191568][T18031] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[461.192154][T18031] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[461.192769][T18031] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[461.193422][T18031] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[461.194045][T18031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[461.194688][T18031] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[461.195278][T18031] ? __lock_release (kernel/locking/lockdep.c:5539) 
[461.195885][T18031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[461.196497][T18031] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[461.197092][T18031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[461.197652][T18031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[461.198254][T18031] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[461.198847][T18031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[461.199428][T18031] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[461.200055][T18031] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[461.200648][T18031] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[461.201233][T18031] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[461.201862][T18031] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[461.202496][T18031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[461.203107][T18031] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[461.203734][T18031] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[461.204328][T18031] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[461.204953][T18031] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[461.205567][T18031] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[461.206163][T18031] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[461.206928][T18031] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[461.207555][T18031] ___sys_sendmsg (net/socket.c:2670) 
[461.209096][T18031] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[461.209699][T18031] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[461.210264][T18031] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[461.210864][T18031] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[461.211968][T18031] ? __handle_mm_fault (mm/memory.c:6212) 
[461.212593][T18031] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[461.213179][T18031] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[461.213815][T18031] __sys_sendmsg (net/socket.c:2700) 
[461.214414][T18031] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[461.215005][T18031] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[461.215626][T18031] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[461.216221][T18031] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[461.216852][T18031] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[461.217471][T18031] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  461.219088][T18031] RIP: 0033:0x7f27593301e7
[ 461.220180][T18031] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  461.222327][T18031] RSP: 002b:00007ffc4ba6f248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  461.228004][T18031] RAX: ffffffffffffffda RBX: 00007ffc4ba6f970 RCX: 00007f27593301e7
[  461.228891][T18031] RDX: 0000000000000000 RSI: 00007ffc4ba6f2b0 RDI: 0000000000000005
[  461.229796][T18031] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  461.241330][T18031] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4ba6f9a8
[  461.242273][T18031] R13: 00000000686e35b3 R14: 0000000000499600 R15: 0000000000000000
| [  461.421857][T18035] ------------[ cut here ]------------
| [461.422192][T18035] WARNING: CPU: 0 PID: 18035 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  461.422897][T18035] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  461.424122][T18035] Tainted: [W]=WARN
[  461.424379][T18035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[461.424805][T18035] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 461.425156][T18035] 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
[  461.426348][T18035] RSP: 0018:ffffc90005147080 EFLAGS: 00010246
[  461.426783][T18035] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  461.427296][T18035] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  461.427823][T18035] RBP: ffffc90005147168 R08: 0000000000000000 R09: 0000000000000000
[  461.428361][T18035] R10: ffffc90005147198 R11: ffffffff992a8918 R12: 1ffff92000a28e14
[  461.428880][T18035] R13: 00000000000005dc R14: ffffc90005147198 R15: ffff888013bf2f08
[  461.429402][T18035] FS:  00007f4d81ec2800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  461.430005][T18035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  461.430435][T18035] CR2: 00000000004a1738 CR3: 0000000013f3a006 CR4: 0000000000772ef0
[  461.430941][T18035] PKRU: 55555554
[  461.431196][T18035] Call Trace:
[  461.431476][T18035]  <TASK>
[461.431655][T18035] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[461.432007][T18035] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[461.432350][T18035] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[461.432776][T18035] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[461.433114][T18035] netif_set_mtu (net/core/dev.c:9652) 
[461.433455][T18035] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[461.433807][T18035] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[461.434278][T18035] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[461.434552][T18035] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[461.435015][T18035] br_add_if (net/bridge/br_if.c:697) bridge 
[461.435408][T18035] do_set_master (net/core/rtnetlink.c:2948) 
[461.435744][T18035] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[461.436080][T18035] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[461.436429][T18035] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[461.436770][T18035] ? __dev_get_by_name (net/core/dev.c:865) 
[461.437151][T18035] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[461.437525][T18035] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[461.437899][T18035] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[461.438240][T18035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[461.438604][T18035] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[461.438985][T18035] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[461.439355][T18035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[461.439791][T18035] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[461.440180][T18035] ? __lock_release (kernel/locking/lockdep.c:5539) 
[461.440558][T18035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[461.440918][T18035] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[461.441295][T18035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[461.441714][T18035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[461.442117][T18035] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[461.442509][T18035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[461.442893][T18035] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[461.443279][T18035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[461.443662][T18035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[461.444034][T18035] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[461.444424][T18035] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[461.444812][T18035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[461.445241][T18035] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[461.445639][T18035] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[461.446077][T18035] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[461.446505][T18035] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[461.446910][T18035] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[461.447318][T18035] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[461.447836][T18035] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[461.448231][T18035] ___sys_sendmsg (net/socket.c:2670) 
[461.448610][T18035] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[461.448984][T18035] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[461.449384][T18035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[461.449734][T18035] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[461.450084][T18035] ? __handle_mm_fault (mm/memory.c:6212) 
[461.450434][T18035] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[461.450793][T18035] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[461.451216][T18035] __sys_sendmsg (net/socket.c:2700) 
[461.451662][T18035] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[461.452070][T18035] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[461.452518][T18035] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[461.452904][T18035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[461.453282][T18035] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[461.453690][T18035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  461.454166][T18035] RIP: 0033:0x7f4d8208f1e7
[ 461.454587][T18035] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  461.456119][T18035] RSP: 002b:00007ffd4b6046b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  461.456813][T18035] RAX: ffffffffffffffda RBX: 00007ffd4b604de0 RCX: 00007f4d8208f1e7
[  461.457520][T18035] RDX: 0000000000000000 RSI: 00007ffd4b604720 RDI: 0000000000000005
[  461.458191][T18035] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  461.458879][T18035] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd4b604e18
[  461.459491][T18035] R13: 00000000686e35b4 R14: 0000000000499600 R15: 0000000000000000
| [  461.637301][T18037] ------------[ cut here ]------------
| [461.637744][T18037] WARNING: CPU: 0 PID: 18037 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  461.638538][T18037] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  461.639794][T18037] Tainted: [W]=WARN
[  461.640046][T18037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[461.640462][T18037] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 461.640814][T18037] 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
[  461.642006][T18037] RSP: 0018:ffffc90005cc7080 EFLAGS: 00010246
[  461.642456][T18037] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  461.642997][T18037] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  461.643545][T18037] RBP: ffffc90005cc7168 R08: 0000000000000000 R09: 0000000000000000
[  461.644100][T18037] R10: ffffc90005cc7198 R11: ffffffff992a8918 R12: 1ffff92000b98e14
[  461.644658][T18037] R13: 00000000000005dc R14: ffffc90005cc7198 R15: ffff888013bf2f08
[  461.645241][T18037] FS:  00007ff3b82de800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  461.645930][T18037] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  461.646422][T18037] CR2: 00000000004a1738 CR3: 000000000f3b7002 CR4: 0000000000772ef0
[  461.646923][T18037] PKRU: 55555554
[  461.647178][T18037] Call Trace:
[  461.647436][T18037]  <TASK>
[461.647613][T18037] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[461.647961][T18037] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[461.648298][T18037] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[461.648750][T18037] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[461.649094][T18037] netif_set_mtu (net/core/dev.c:9652) 
[461.649439][T18037] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[461.649785][T18037] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[461.650253][T18037] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[461.650513][T18037] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[461.650978][T18037] br_add_if (net/bridge/br_if.c:697) bridge 
[461.651387][T18037] do_set_master (net/core/rtnetlink.c:2948) 
[461.651733][T18037] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[461.652072][T18037] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[461.652415][T18037] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[461.652742][T18037] ? __dev_get_by_name (net/core/dev.c:865) 
[461.653076][T18037] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[461.653425][T18037] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[461.653766][T18037] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[461.654095][T18037] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[461.654440][T18037] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[461.654783][T18037] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[461.655117][T18037] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[461.655474][T18037] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[461.655809][T18037] ? __lock_release (kernel/locking/lockdep.c:5539) 
[461.656151][T18037] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[461.656495][T18037] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[461.656837][T18037] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[461.657189][T18037] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[461.657543][T18037] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[461.657882][T18037] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[461.658215][T18037] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[461.658568][T18037] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[461.658906][T18037] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[461.659242][T18037] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[461.659586][T18037] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[461.659936][T18037] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[461.660282][T18037] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[461.660633][T18037] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[461.660976][T18037] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[461.661336][T18037] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[461.661710][T18037] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[461.662030][T18037] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[461.662440][T18037] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[461.662771][T18037] ___sys_sendmsg (net/socket.c:2670) 
[461.663094][T18037] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[461.663457][T18037] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[461.663802][T18037] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[461.664137][T18037] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[461.664489][T18037] ? __handle_mm_fault (mm/memory.c:6212) 
[461.664827][T18037] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[461.665158][T18037] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[461.665526][T18037] __sys_sendmsg (net/socket.c:2700) 
[461.665866][T18037] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[461.666198][T18037] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[461.666553][T18037] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[461.666890][T18037] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[461.667231][T18037] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[461.667575][T18037] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  461.667997][T18037] RIP: 0033:0x7ff3b84ab1e7
[ 461.668343][T18037] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  461.669562][T18037] RSP: 002b:00007ffedf63d828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  461.670078][T18037] RAX: ffffffffffffffda RBX: 00007ffedf63df50 RCX: 00007ff3b84ab1e7
[  461.670591][T18037] RDX: 0000000000000000 RSI: 00007ffedf63d890 RDI: 0000000000000005
[  461.671138][T18037] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  461.671815][T18037] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffedf63df88
[  461.672340][T18037] R13: 00000000686e35b4 R14: 0000000000499600 R15: 0000000000000000
| [  461.850975][T18038] ------------[ cut here ]------------
| [461.851408][T18038] WARNING: CPU: 3 PID: 18038 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  461.852467][T18038] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  461.854435][T18038] Tainted: [W]=WARN
[  461.854834][T18038] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[461.855377][T18038] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 461.855970][T18038] 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
[  461.858021][T18038] RSP: 0018:ffffc90008757080 EFLAGS: 00010246
[  461.858705][T18038] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  461.859449][T18038] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  461.860235][T18038] RBP: ffffc90008757168 R08: 0000000000000000 R09: 0000000000000000
[  461.860886][T18038] R10: ffffc90008757198 R11: ffffffff992a8918 R12: 1ffff920010eae14
[  461.861692][T18038] R13: 00000000000005dc R14: ffffc90008757198 R15: ffff888013bf2f08
[  461.862477][T18038] FS:  00007fa0e417d800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  461.863414][T18038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  461.864003][T18038] CR2: 00000000004a1738 CR3: 0000000012616005 CR4: 0000000000772ef0
[  461.864663][T18038] PKRU: 55555554
[  461.865053][T18038] Call Trace:
[  461.865459][T18038]  <TASK>
[461.865737][T18038] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[461.866280][T18038] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[461.866835][T18038] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[461.867526][T18038] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[461.868022][T18038] netif_set_mtu (net/core/dev.c:9652) 
[461.868496][T18038] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[461.869077][T18038] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[461.869885][T18038] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[461.870310][T18038] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[461.871073][T18038] br_add_if (net/bridge/br_if.c:697) bridge 
[461.871726][T18038] do_set_master (net/core/rtnetlink.c:2948) 
[461.872280][T18038] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[461.872854][T18038] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[461.873337][T18038] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[461.873888][T18038] ? __dev_get_by_name (net/core/dev.c:865) 
[461.874448][T18038] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[461.875017][T18038] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[461.875604][T18038] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[461.876164][T18038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[461.876736][T18038] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[461.877244][T18038] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[461.877789][T18038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[461.878322][T18038] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[461.878797][T18038] ? __lock_release (kernel/locking/lockdep.c:5539) 
[461.879350][T18038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[461.879911][T18038] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[461.880465][T18038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[461.881017][T18038] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[461.881639][T18038] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[461.882046][T18038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[461.882560][T18038] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[461.883129][T18038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[461.883699][T18038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[461.884271][T18038] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[461.884845][T18038] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[461.885428][T18038] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[461.885933][T18038] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[461.886467][T18038] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[461.887017][T18038] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[461.887441][T18038] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[461.887913][T18038] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[461.888441][T18038] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[461.889096][T18038] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[461.889635][T18038] ___sys_sendmsg (net/socket.c:2670) 
[461.890162][T18038] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[461.890704][T18038] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[461.891070][T18038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[461.891575][T18038] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[461.892106][T18038] ? __handle_mm_fault (mm/memory.c:6212) 
[461.892669][T18038] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[461.893213][T18038] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[461.893793][T18038] __sys_sendmsg (net/socket.c:2700) 
[461.894333][T18038] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[461.894832][T18038] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[461.895306][T18038] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[461.895890][T18038] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[461.896315][T18038] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[461.896842][T18038] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  461.897541][T18038] RIP: 0033:0x7fa0e434a1e7
[ 461.898103][T18038] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  461.899991][T18038] RSP: 002b:00007ffe6965b9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  461.900827][T18038] RAX: ffffffffffffffda RBX: 00007ffe6965c120 RCX: 00007fa0e434a1e7
[  461.901632][T18038] RDX: 0000000000000000 RSI: 00007ffe6965ba60 RDI: 0000000000000005
[  461.902252][T18038] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  461.902774][T18038] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe6965c158
[  461.903386][T18038] R13: 00000000686e35b4 R14: 0000000000499600 R15: 0000000000000000
| [  462.065333][T18040] ------------[ cut here ]------------
| [462.065716][T18040] WARNING: CPU: 3 PID: 18040 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  462.066479][T18040] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  462.067852][T18040] Tainted: [W]=WARN
[  462.068202][T18040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[462.068725][T18040] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 462.069157][T18040] 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
[  462.070614][T18040] RSP: 0018:ffffc90005cc7080 EFLAGS: 00010246
[  462.071152][T18040] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  462.071808][T18040] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  462.072416][T18040] RBP: ffffc90005cc7168 R08: 0000000000000000 R09: 0000000000000000
[  462.072916][T18040] R10: ffffc90005cc7198 R11: ffffffff992a8918 R12: 1ffff92000b98e14
[  462.073572][T18040] R13: 00000000000005dc R14: ffffc90005cc7198 R15: ffff888013bf2f08
[  462.074139][T18040] FS:  00007fe8067a4800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  462.074852][T18040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  462.075290][T18040] CR2: 00000000004a1738 CR3: 000000001401d002 CR4: 0000000000772ef0
[  462.075903][T18040] PKRU: 55555554
[  462.076153][T18040] Call Trace:
[  462.076552][T18040]  <TASK>
[462.076853][T18040] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[462.077201][T18040] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[462.077559][T18040] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[462.077975][T18040] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[462.078321][T18040] netif_set_mtu (net/core/dev.c:9652) 
[462.078677][T18040] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[462.079221][T18040] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[462.080019][T18040] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[462.080460][T18040] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[462.081234][T18040] br_add_if (net/bridge/br_if.c:697) bridge 
[462.081930][T18040] do_set_master (net/core/rtnetlink.c:2948) 
[462.082542][T18040] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[462.083122][T18040] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[462.083728][T18040] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[462.084295][T18040] ? __dev_get_by_name (net/core/dev.c:865) 
[462.084895][T18040] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[462.085487][T18040] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[462.086085][T18040] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[462.086676][T18040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[462.087251][T18040] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[462.087865][T18040] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[462.088472][T18040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[462.089070][T18040] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[462.089660][T18040] ? __lock_release (kernel/locking/lockdep.c:5539) 
[462.090232][T18040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[462.090790][T18040] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[462.091361][T18040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[462.091929][T18040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[462.092529][T18040] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[462.093099][T18040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[462.093653][T18040] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[462.094235][T18040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[462.094845][T18040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[462.095385][T18040] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[462.095951][T18040] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[462.096522][T18040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[462.097101][T18040] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[462.097701][T18040] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[462.098273][T18040] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[462.098881][T18040] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[462.099471][T18040] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[462.100027][T18040] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[462.100748][T18040] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[462.101356][T18040] ___sys_sendmsg (net/socket.c:2670) 
[462.101904][T18040] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[462.102453][T18040] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[462.102999][T18040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[462.103559][T18040] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[462.104114][T18040] ? __handle_mm_fault (mm/memory.c:6212) 
[462.104676][T18040] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[462.105220][T18040] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[462.105813][T18040] __sys_sendmsg (net/socket.c:2700) 
[462.106382][T18040] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[462.106942][T18040] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[462.107537][T18040] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[462.108102][T18040] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[462.108664][T18040] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[462.109225][T18040] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  462.109916][T18040] RIP: 0033:0x7fe8069711e7
[ 462.110504][T18040] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  462.112519][T18040] RSP: 002b:00007ffc33393728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.113417][T18040] RAX: ffffffffffffffda RBX: 00007ffc33393e50 RCX: 00007fe8069711e7
[  462.114256][T18040] RDX: 0000000000000000 RSI: 00007ffc33393790 RDI: 0000000000000005
[  462.115105][T18040] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  462.115923][T18040] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc33393e88
[  462.116776][T18040] R13: 00000000686e35b4 R14: 0000000000499600 R15: 0000000000000000
| [  462.318382][T18042] ------------[ cut here ]------------
| [462.318754][T18042] WARNING: CPU: 1 PID: 18042 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  462.319434][T18042] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  462.320668][T18042] Tainted: [W]=WARN
[  462.320927][T18042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[462.321367][T18042] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 462.321735][T18042] 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
[  462.322952][T18042] RSP: 0018:ffffc90004e27080 EFLAGS: 00010246
[  462.323383][T18042] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  462.323899][T18042] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  462.324408][T18042] RBP: ffffc90004e27168 R08: 0000000000000000 R09: 0000000000000000
[  462.324908][T18042] R10: ffffc90004e27198 R11: ffffffff992a8918 R12: 1ffff920009c4e14
[  462.325578][T18042] R13: 00000000000005dc R14: ffffc90004e27198 R15: ffff888013bf2f08
[  462.326095][T18042] FS:  00007f2b67a11800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  462.326805][T18042] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  462.327216][T18042] CR2: 00007fa523704a00 CR3: 00000000145f5006 CR4: 0000000000772ef0
[  462.327775][T18042] PKRU: 55555554
[  462.328018][T18042] Call Trace:
[  462.328253][T18042]  <TASK>
[462.328432][T18042] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[462.328760][T18042] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[462.329082][T18042] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[462.329484][T18042] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[462.329812][T18042] netif_set_mtu (net/core/dev.c:9652) 
[462.330136][T18042] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[462.330475][T18042] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[462.330921][T18042] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[462.331161][T18042] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[462.331627][T18042] br_add_if (net/bridge/br_if.c:697) bridge 
[462.331998][T18042] do_set_master (net/core/rtnetlink.c:2948) 
[462.332332][T18042] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[462.332676][T18042] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[462.333015][T18042] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[462.333346][T18042] ? __dev_get_by_name (net/core/dev.c:865) 
[462.333689][T18042] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[462.334025][T18042] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[462.334356][T18042] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[462.334676][T18042] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[462.334997][T18042] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[462.335321][T18042] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[462.335665][T18042] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[462.336005][T18042] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[462.336317][T18042] ? __lock_release (kernel/locking/lockdep.c:5539) 
[462.336643][T18042] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[462.337009][T18042] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[462.337342][T18042] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[462.337690][T18042] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[462.338057][T18042] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[462.338409][T18042] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[462.338753][T18042] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[462.339103][T18042] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[462.339444][T18042] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[462.339777][T18042] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[462.340111][T18042] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[462.340457][T18042] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[462.340794][T18042] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[462.341138][T18042] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[462.341488][T18042] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[462.341828][T18042] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[462.342161][T18042] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[462.342498][T18042] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[462.342918][T18042] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[462.343253][T18042] ___sys_sendmsg (net/socket.c:2670) 
[462.343596][T18042] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[462.343929][T18042] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[462.344263][T18042] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[462.344605][T18042] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[462.344949][T18042] ? __handle_mm_fault (mm/memory.c:6212) 
[462.345280][T18042] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[462.345619][T18042] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[462.345969][T18042] __sys_sendmsg (net/socket.c:2700) 
[462.346300][T18042] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[462.346646][T18042] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[462.346974][T18042] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[462.347332][T18042] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[462.347673][T18042] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[462.348001][T18042] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  462.348422][T18042] RIP: 0033:0x7f2b67bde1e7
[ 462.348768][T18042] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  462.349982][T18042] RSP: 002b:00007fff286fbc98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.350492][T18042] RAX: ffffffffffffffda RBX: 00007fff286fc3c0 RCX: 00007f2b67bde1e7
[  462.350982][T18042] RDX: 0000000000000000 RSI: 00007fff286fbd00 RDI: 0000000000000005
[  462.351489][T18042] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  462.351989][T18042] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff286fc3f8
[  462.352490][T18042] R13: 00000000686e35b4 R14: 0000000000499600 R15: 0000000000000000
| [  462.527065][T18045] ------------[ cut here ]------------
| [462.527463][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) 
| [  462.528212][T18045] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  462.529496][T18045] Tainted: [W]=WARN
[  462.529782][T18045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[462.530216][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) 
[ 462.530628][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
[  462.531908][T18045] RSP: 0018:ffffc90004e17080 EFLAGS: 00010246
[  462.532372][T18045] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  462.532905][T18045] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  462.533451][T18045] RBP: ffffc90004e17168 R08: 0000000000000000 R09: 0000000000000000
[  462.534008][T18045] R10: ffffc90004e17198 R11: ffffffff992a8918 R12: 1ffff920009c2e14
[  462.534550][T18045] R13: 00000000000005dc R14: ffffc90004e17198 R15: ffff888013bf2f08
[  462.535080][T18045] FS:  00007f78ab80b800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  462.535659][T18045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  462.536068][T18045] CR2: 00000000004a1738 CR3: 0000000013ae4004 CR4: 0000000000772ef0
[  462.536568][T18045] PKRU: 55555554
[  462.536824][T18045] Call Trace:
[  462.537074][T18045]  <TASK>
[462.537275][T18045] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[462.537659][T18045] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[462.537996][T18045] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[462.538419][T18045] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[462.538768][T18045] netif_set_mtu (net/core/dev.c:9652) 
[462.539121][T18045] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[462.539487][T18045] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[462.539965][T18045] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[462.540260][T18045] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[462.540755][T18045] br_add_if (net/bridge/br_if.c:697) bridge 
[462.541141][T18045] do_set_master (net/core/rtnetlink.c:2948) 
[462.541531][T18045] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[462.541870][T18045] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[462.542214][T18045] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[462.542558][T18045] ? __dev_get_by_name (net/core/dev.c:865) 
[462.542927][T18045] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[462.543264][T18045] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[462.543617][T18045] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[462.543945][T18045] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[462.544291][T18045] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[462.544640][T18045] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[462.544978][T18045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[462.545321][T18045] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[462.545669][T18045] ? __lock_release (kernel/locking/lockdep.c:5539) 
[462.546007][T18045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[462.546341][T18045] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[462.546683][T18045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[462.547029][T18045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[462.547382][T18045] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[462.547743][T18045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[462.548089][T18045] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[462.548460][T18045] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[462.548805][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) 
[462.549147][T18045] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[462.549504][T18045] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[462.549840][T18045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[462.550179][T18045] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[462.550520][T18045] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[462.550870][T18045] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[462.551207][T18045] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[462.551582][T18045] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[462.551922][T18045] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[462.552344][T18045] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[462.552691][T18045] ___sys_sendmsg (net/socket.c:2670) 
[462.553026][T18045] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[462.553353][T18045] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[462.553695][T18045] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[462.554027][T18045] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[462.554363][T18045] ? __handle_mm_fault (mm/memory.c:6212) 
[462.554703][T18045] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[462.555033][T18045] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[462.555378][T18045] __sys_sendmsg (net/socket.c:2700) 
[462.555719][T18045] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[462.556060][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) 
[462.556407][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) 
[462.556741][T18045] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[462.557074][T18045] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[462.557426][T18045] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  462.557834][T18045] RIP: 0033:0x7f78ab9d81e7
[ 462.558178][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)
[  462.559353][T18045] RSP: 002b:00007fff92077868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.559858][T18045] RAX: ffffffffffffffda RBX: 00007fff92077f90 RCX: 00007f78ab9d81e7
[  462.560368][T18045] RDX: 0000000000000000 RSI: 00007fff920778d0 RDI: 0000000000000005
[  462.560888][T18045] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  462.561410][T18045] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff92077fc8
[  462.561925][T18045] R13: 00000000686e35b5 R14: 0000000000499600 R15: 0000000000000000
| [  462.699115][T18046] ------------[ cut here ]------------
| [462.699483][T18046] WARNING: CPU: 2 PID: 18046 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  462.700284][T18046] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  462.701637][T18046] Tainted: [W]=WARN
[  462.701935][T18046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[462.702408][T18046] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 462.702810][T18046] 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
[  462.704093][T18046] RSP: 0018:ffffc90008747080 EFLAGS: 00010246
[  462.704531][T18046] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  462.705035][T18046] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  462.705556][T18046] RBP: ffffc90008747168 R08: 0000000000000000 R09: 0000000000000000
[  462.706056][T18046] R10: ffffc90008747198 R11: ffffffff992a8918 R12: 1ffff920010e8e14
[  462.706556][T18046] R13: 00000000000005dc R14: ffffc90008747198 R15: ffff888013bf2f08
[  462.707058][T18046] FS:  00007f65eb6cb800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  462.707660][T18046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  462.708089][T18046] CR2: 00000000004a1738 CR3: 0000000013dc1006 CR4: 0000000000772ef0
[  462.708607][T18046] PKRU: 55555554
[  462.708873][T18046] Call Trace:
[  462.709128][T18046]  <TASK>
[462.709357][T18046] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[462.709796][T18046] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[462.710198][T18046] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[462.710688][T18046] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[462.711037][T18046] netif_set_mtu (net/core/dev.c:9652) 
[462.711406][T18046] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[462.711803][T18046] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[462.712296][T18046] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[462.712579][T18046] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[462.713046][T18046] br_add_if (net/bridge/br_if.c:697) bridge 
[462.713449][T18046] do_set_master (net/core/rtnetlink.c:2948) 
[462.713849][T18046] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[462.714259][T18046] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[462.714671][T18046] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[462.715067][T18046] ? __dev_get_by_name (net/core/dev.c:865) 
[462.715448][T18046] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[462.715839][T18046] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[462.716229][T18046] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[462.716630][T18046] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[462.717048][T18046] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[462.717448][T18046] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[462.717843][T18046] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[462.718237][T18046] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[462.718637][T18046] ? __lock_release (kernel/locking/lockdep.c:5539) 
[462.719017][T18046] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[462.719411][T18046] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[462.719796][T18046] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[462.720197][T18046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[462.720589][T18046] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[462.720966][T18046] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[462.721352][T18046] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[462.721749][T18046] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[462.722115][T18046] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[462.722499][T18046] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[462.722883][T18046] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[462.723272][T18046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[462.723677][T18046] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[462.724065][T18046] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[462.724445][T18046] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[462.724830][T18046] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[462.725206][T18046] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[462.725605][T18046] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[462.726074][T18046] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[462.726474][T18046] ___sys_sendmsg (net/socket.c:2670) 
[462.726863][T18046] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[462.727251][T18046] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[462.727636][T18046] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[462.728009][T18046] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[462.728406][T18046] ? __handle_mm_fault (mm/memory.c:6212) 
[462.728777][T18046] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[462.729150][T18046] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[462.729554][T18046] __sys_sendmsg (net/socket.c:2700) 
[462.729935][T18046] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[462.730312][T18046] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[462.730717][T18046] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[462.731097][T18046] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[462.731508][T18046] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[462.731898][T18046] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  462.732364][T18046] RIP: 0033:0x7f65eb8981e7
[ 462.732780][T18046] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  462.734080][T18046] RSP: 002b:00007fff61a51448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.734651][T18046] RAX: ffffffffffffffda RBX: 00007fff61a51b70 RCX: 00007f65eb8981e7
[  462.735200][T18046] RDX: 0000000000000000 RSI: 00007fff61a514b0 RDI: 0000000000000005
[  462.735758][T18046] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  462.736315][T18046] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff61a51ba8
[  462.736880][T18046] R13: 00000000686e35b5 R14: 0000000000499600 R15: 0000000000000000
| [  462.927227][T18049] ------------[ cut here ]------------
| [462.927580][T18049] WARNING: CPU: 3 PID: 18049 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  462.928211][T18049] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  462.929424][T18049] Tainted: [W]=WARN
[  462.929660][T18049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[462.930057][T18049] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 462.930385][T18049] 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
[  462.931549][T18049] RSP: 0000:ffffc90008727080 EFLAGS: 00010246
[  462.931951][T18049] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  462.932430][T18049] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  462.932917][T18049] RBP: ffffc90008727168 R08: 0000000000000000 R09: 0000000000000000
[  462.933403][T18049] R10: ffffc90008727198 R11: ffffffff992a8918 R12: 1ffff920010e4e14
[  462.933876][T18049] R13: 00000000000005dc R14: ffffc90008727198 R15: ffff888013bf2f08
[  462.934354][T18049] FS:  00007f273f28b800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  462.934926][T18049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  462.935329][T18049] CR2: 00007efea01aa7b0 CR3: 00000000148ab003 CR4: 0000000000772ef0
[  462.935809][T18049] PKRU: 55555554
[  462.936051][T18049] Call Trace:
[  462.936326][T18049]  <TASK>
[462.936503][T18049] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[462.936826][T18049] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[462.937152][T18049] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[462.937562][T18049] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[462.937887][T18049] netif_set_mtu (net/core/dev.c:9652) 
[462.938227][T18049] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[462.938585][T18049] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[462.939038][T18049] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[462.939282][T18049] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[462.939728][T18049] br_add_if (net/bridge/br_if.c:697) bridge 
[462.940090][T18049] do_set_master (net/core/rtnetlink.c:2948) 
[462.940415][T18049] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[462.940746][T18049] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[462.941068][T18049] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[462.941416][T18049] ? __dev_get_by_name (net/core/dev.c:865) 
[462.941734][T18049] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[462.942049][T18049] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[462.942370][T18049] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[462.942696][T18049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[462.943027][T18049] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[462.943351][T18049] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[462.943680][T18049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[462.944010][T18049] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[462.944323][T18049] ? __lock_release (kernel/locking/lockdep.c:5539) 
[462.944651][T18049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[462.944968][T18049] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[462.945288][T18049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[462.945623][T18049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[462.945946][T18049] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[462.946301][T18049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[462.946628][T18049] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[462.946954][T18049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[462.947268][T18049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[462.947592][T18049] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[462.947915][T18049] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[462.948233][T18049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[462.948569][T18049] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[462.948891][T18049] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[462.949209][T18049] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[462.949552][T18049] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[462.949878][T18049] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[462.950197][T18049] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[462.950605][T18049] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[462.950928][T18049] ___sys_sendmsg (net/socket.c:2670) 
[462.951248][T18049] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[462.951592][T18049] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[462.951913][T18049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[462.952231][T18049] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[462.952568][T18049] ? __handle_mm_fault (mm/memory.c:6212) 
[462.952891][T18049] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[462.953209][T18049] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[462.953551][T18049] __sys_sendmsg (net/socket.c:2700) 
[462.953870][T18049] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[462.954184][T18049] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[462.954530][T18049] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[462.954853][T18049] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[462.955174][T18049] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[462.955499][T18049] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  462.955896][T18049] RIP: 0033:0x7f273f4581e7
[ 462.956228][T18049] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  462.957387][T18049] RSP: 002b:00007ffd3fba9678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.958110][T18049] RAX: ffffffffffffffda RBX: 00007ffd3fba9da0 RCX: 00007f273f4581e7
[  462.958591][T18049] RDX: 0000000000000000 RSI: 00007ffd3fba96e0 RDI: 0000000000000005
[  462.959068][T18049] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  462.959549][T18049] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd3fba9dd8
[  462.960020][T18049] R13: 00000000686e35b5 R14: 0000000000499600 R15: 0000000000000000
| [  463.113402][T18050] ------------[ cut here ]------------
| [463.113754][T18050] WARNING: CPU: 3 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) 
| [  463.114618][T18050] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  463.115896][T18050] Tainted: [W]=WARN
[  463.116152][T18050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[463.116586][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) 
[ 463.116944][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
[  463.118154][T18050] RSP: 0018:ffffc90008757080 EFLAGS: 00010246
[  463.118586][T18050] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  463.119092][T18050] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  463.119600][T18050] RBP: ffffc90008757168 R08: 0000000000000000 R09: 0000000000000000
[  463.120110][T18050] R10: ffffc90008757198 R11: ffffffff992a8918 R12: 1ffff920010eae14
[  463.120621][T18050] R13: 00000000000005dc R14: ffffc90008757198 R15: ffff888013bf2f08
[  463.121125][T18050] FS:  00007f48073bf800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  463.121742][T18050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.122171][T18050] CR2: 00000000004a1738 CR3: 0000000013252003 CR4: 0000000000772ef0
[  463.122686][T18050] PKRU: 55555554
[  463.122939][T18050] Call Trace:
[  463.123191][T18050]  <TASK>
[463.123366][T18050] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[463.123735][T18050] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[463.124063][T18050] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[463.124511][T18050] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[463.124857][T18050] netif_set_mtu (net/core/dev.c:9652) 
[463.125197][T18050] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[463.125554][T18050] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[463.126030][T18050] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[463.126293][T18050] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[463.126764][T18050] br_add_if (net/bridge/br_if.c:697) bridge 
[463.127154][T18050] do_set_master (net/core/rtnetlink.c:2948) 
[463.127503][T18050] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[463.127848][T18050] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[463.128189][T18050] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[463.128536][T18050] ? __dev_get_by_name (net/core/dev.c:865) 
[463.128872][T18050] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.129208][T18050] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.129555][T18050] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[463.129895][T18050] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[463.130242][T18050] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[463.130605][T18050] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[463.130950][T18050] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.131297][T18050] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[463.131664][T18050] ? __lock_release (kernel/locking/lockdep.c:5539) 
[463.132005][T18050] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.132338][T18050] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[463.132688][T18050] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.133029][T18050] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.133368][T18050] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[463.133720][T18050] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.134057][T18050] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[463.134441][T18050] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[463.134781][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) 
[463.135121][T18050] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[463.135472][T18050] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[463.135812][T18050] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.136152][T18050] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[463.136496][T18050] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[463.136834][T18050] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[463.137175][T18050] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[463.137545][T18050] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[463.137863][T18050] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[463.138264][T18050] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[463.138598][T18050] ___sys_sendmsg (net/socket.c:2670) 
[463.138977][T18050] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[463.139315][T18050] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[463.139673][T18050] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[463.140011][T18050] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[463.140351][T18050] ? __handle_mm_fault (mm/memory.c:6212) 
[463.140692][T18050] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[463.141026][T18050] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[463.141388][T18050] __sys_sendmsg (net/socket.c:2700) 
[463.141734][T18050] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[463.142070][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) 
[463.142424][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) 
[463.142763][T18050] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[463.143105][T18050] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[463.143449][T18050] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.143865][T18050] RIP: 0033:0x7f480758c1e7
[ 463.144235][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)
[  463.145424][T18050] RSP: 002b:00007ffeca5cb588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.145931][T18050] RAX: ffffffffffffffda RBX: 00007ffeca5cbcb0 RCX: 00007f480758c1e7
[  463.146451][T18050] RDX: 0000000000000000 RSI: 00007ffeca5cb5f0 RDI: 0000000000000005
[  463.146960][T18050] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  463.147470][T18050] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeca5cbce8
[  463.147967][T18050] R13: 00000000686e35b5 R14: 0000000000499600 R15: 0000000000000000
| [  463.304675][T18052] ------------[ cut here ]------------
| [463.305071][T18052] WARNING: CPU: 2 PID: 18052 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  463.305829][T18052] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  463.307239][T18052] Tainted: [W]=WARN
[  463.307552][T18052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[463.308045][T18052] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 463.308453][T18052] 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
[  463.309781][T18052] RSP: 0000:ffffc90008727080 EFLAGS: 00010246
[  463.310258][T18052] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  463.310831][T18052] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  463.311431][T18052] RBP: ffffc90008727168 R08: 0000000000000000 R09: 0000000000000000
[  463.311988][T18052] R10: ffffc90008727198 R11: ffffffff992a8918 R12: 1ffff920010e4e14
[  463.312562][T18052] R13: 00000000000005dc R14: ffffc90008727198 R15: ffff888013bf2f08
[  463.313130][T18052] FS:  00007f7dcf3f8800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  463.313788][T18052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.314275][T18052] CR2: 00007fa5238d15a0 CR3: 0000000013855006 CR4: 0000000000772ef0
[  463.314877][T18052] PKRU: 55555554
[  463.315182][T18052] Call Trace:
[  463.315484][T18052]  <TASK>
[463.315697][T18052] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[463.316094][T18052] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[463.316505][T18052] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[463.316985][T18052] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[463.317374][T18052] netif_set_mtu (net/core/dev.c:9652) 
[463.317782][T18052] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[463.318203][T18052] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[463.318708][T18052] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[463.319026][T18052] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[463.319567][T18052] br_add_if (net/bridge/br_if.c:697) bridge 
[463.320012][T18052] do_set_master (net/core/rtnetlink.c:2948) 
[463.320407][T18052] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[463.320790][T18052] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[463.321183][T18052] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[463.321598][T18052] ? __dev_get_by_name (net/core/dev.c:865) 
[463.321988][T18052] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.322363][T18052] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.322770][T18052] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[463.323141][T18052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[463.323533][T18052] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[463.323926][T18052] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[463.324318][T18052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.324722][T18052] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[463.325093][T18052] ? __lock_release (kernel/locking/lockdep.c:5539) 
[463.325498][T18052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.325871][T18052] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[463.326253][T18052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.326656][T18052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.327048][T18052] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[463.327444][T18052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.327819][T18052] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[463.328221][T18052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[463.328605][T18052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[463.328984][T18052] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[463.329360][T18052] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[463.329754][T18052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.330144][T18052] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[463.330536][T18052] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[463.330918][T18052] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[463.331319][T18052] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[463.331726][T18052] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[463.332112][T18052] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[463.332622][T18052] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[463.333009][T18052] ___sys_sendmsg (net/socket.c:2670) 
[463.333414][T18052] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[463.333794][T18052] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[463.334198][T18052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[463.334605][T18052] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[463.335008][T18052] ? __handle_mm_fault (mm/memory.c:6212) 
[463.335406][T18052] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[463.335796][T18052] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[463.336212][T18052] __sys_sendmsg (net/socket.c:2700) 
[463.336850][T18052] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[463.337236][T18052] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[463.337631][T18052] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[463.338018][T18052] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[463.338411][T18052] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[463.338821][T18052] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.339242][T18052] RIP: 0033:0x7f7dcf5c51e7
[ 463.339599][T18052] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  463.340826][T18052] RSP: 002b:00007fff7d2bd6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.341603][T18052] RAX: ffffffffffffffda RBX: 00007fff7d2bdde0 RCX: 00007f7dcf5c51e7
[  463.342123][T18052] RDX: 0000000000000000 RSI: 00007fff7d2bd720 RDI: 0000000000000005
[  463.342646][T18052] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  463.343169][T18052] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff7d2bde18
[  463.343716][T18052] R13: 00000000686e35b5 R14: 0000000000499600 R15: 0000000000000000
| [  463.510720][T18054] ------------[ cut here ]------------
| [463.511041][T18054] WARNING: CPU: 3 PID: 18054 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  463.511748][T18054] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  463.512927][T18054] Tainted: [W]=WARN
[  463.513170][T18054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[463.513574][T18054] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 463.513908][T18054] 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
[  463.515142][T18054] RSP: 0000:ffffc90005e07080 EFLAGS: 00010246
[  463.515579][T18054] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  463.516085][T18054] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  463.516593][T18054] RBP: ffffc90005e07168 R08: 0000000000000000 R09: 0000000000000000
[  463.517100][T18054] R10: ffffc90005e07198 R11: ffffffff992a8918 R12: 1ffff92000bc0e14
[  463.517612][T18054] R13: 00000000000005dc R14: ffffc90005e07198 R15: ffff888013bf2f08
[  463.518113][T18054] FS:  00007f49b6af8800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  463.519073][T18054] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.519822][T18054] CR2: 00007fa5238d15a0 CR3: 0000000013e88003 CR4: 0000000000772ef0
[  463.520375][T18054] PKRU: 55555554
[  463.520630][T18054] Call Trace:
[  463.520870][T18054]  <TASK>
[463.521035][T18054] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[463.521387][T18054] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[463.521719][T18054] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[463.522115][T18054] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[463.522447][T18054] netif_set_mtu (net/core/dev.c:9652) 
[463.522767][T18054] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[463.523094][T18054] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[463.523557][T18054] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[463.523801][T18054] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[463.524237][T18054] br_add_if (net/bridge/br_if.c:697) bridge 
[463.524609][T18054] do_set_master (net/core/rtnetlink.c:2948) 
[463.524929][T18054] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[463.525249][T18054] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[463.525576][T18054] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[463.525896][T18054] ? __dev_get_by_name (net/core/dev.c:865) 
[463.526245][T18054] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.526599][T18054] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.526925][T18054] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[463.527237][T18054] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[463.527578][T18054] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[463.527932][T18054] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[463.528281][T18054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.528636][T18054] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[463.528970][T18054] ? __lock_release (kernel/locking/lockdep.c:5539) 
[463.529308][T18054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.529651][T18054] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[463.529989][T18054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.530328][T18054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.530683][T18054] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[463.531051][T18054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.531408][T18054] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[463.531760][T18054] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[463.532096][T18054] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[463.532439][T18054] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[463.532778][T18054] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[463.533117][T18054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.533473][T18054] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[463.533827][T18054] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[463.534173][T18054] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[463.534527][T18054] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[463.534867][T18054] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[463.535186][T18054] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[463.535626][T18054] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[463.535958][T18054] ___sys_sendmsg (net/socket.c:2670) 
[463.536275][T18054] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[463.536601][T18054] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[463.536919][T18054] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[463.537238][T18054] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[463.537570][T18054] ? __handle_mm_fault (mm/memory.c:6212) 
[463.537893][T18054] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[463.538217][T18054] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[463.538563][T18054] __sys_sendmsg (net/socket.c:2700) 
[463.538904][T18054] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[463.539229][T18054] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[463.539569][T18054] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[463.539890][T18054] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[463.540209][T18054] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[463.540542][T18054] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.540940][T18054] RIP: 0033:0x7f49b6cc51e7
[ 463.541271][T18054] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  463.542433][T18054] RSP: 002b:00007fffc69be138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.542932][T18054] RAX: ffffffffffffffda RBX: 00007fffc69be860 RCX: 00007f49b6cc51e7
[  463.543443][T18054] RDX: 0000000000000000 RSI: 00007fffc69be1a0 RDI: 0000000000000005
[  463.543969][T18054] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  463.544503][T18054] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffc69be898
[  463.545025][T18054] R13: 00000000686e35b6 R14: 0000000000499600 R15: 0000000000000000
| [  463.707056][T18056] ------------[ cut here ]------------
| [463.707754][T18056] WARNING: CPU: 0 PID: 18056 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  463.709323][T18056] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  463.711414][T18056] Tainted: [W]=WARN
[  463.711859][T18056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[463.712603][T18056] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 463.713198][T18056] 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
[  463.715298][T18056] RSP: 0018:ffffc90005e07080 EFLAGS: 00010246
[  463.716046][T18056] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  463.716938][T18056] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  463.717849][T18056] RBP: ffffc90005e07168 R08: 0000000000000000 R09: 0000000000000000
[  463.718712][T18056] R10: ffffc90005e07198 R11: ffffffff992a8918 R12: 1ffff92000bc0e14
[  463.719573][T18056] R13: 00000000000005dc R14: ffffc90005e07198 R15: ffff888013bf2f08
[  463.720486][T18056] FS:  00007fede0508800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  463.721501][T18056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.721961][T18056] CR2: 00007fa523704a00 CR3: 0000000014373002 CR4: 0000000000772ef0
[  463.722483][T18056] PKRU: 55555554
[  463.722737][T18056] Call Trace:
[  463.722990][T18056]  <TASK>
[463.723164][T18056] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[463.723542][T18056] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[463.723879][T18056] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[463.724299][T18056] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[463.724645][T18056] netif_set_mtu (net/core/dev.c:9652) 
[463.724981][T18056] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[463.725325][T18056] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[463.725909][T18056] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[463.726224][T18056] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[463.726816][T18056] br_add_if (net/bridge/br_if.c:697) bridge 
[463.727345][T18056] do_set_master (net/core/rtnetlink.c:2948) 
[463.727790][T18056] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[463.728183][T18056] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[463.728570][T18056] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[463.728963][T18056] ? __dev_get_by_name (net/core/dev.c:865) 
[463.729356][T18056] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.729791][T18056] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[463.730284][T18056] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[463.730631][T18056] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[463.731020][T18056] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[463.731362][T18056] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[463.731804][T18056] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.732140][T18056] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[463.732463][T18056] ? __lock_release (kernel/locking/lockdep.c:5539) 
[463.732818][T18056] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[463.733140][T18056] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[463.733630][T18056] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.734088][T18056] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.734476][T18056] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[463.734908][T18056] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[463.735377][T18056] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[463.735772][T18056] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[463.736176][T18056] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[463.736512][T18056] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[463.736870][T18056] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[463.737199][T18056] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.737630][T18056] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[463.738099][T18056] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[463.738431][T18056] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[463.738822][T18056] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[463.739201][T18056] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[463.739531][T18056] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[463.739961][T18056] ___sys_sendmsg (net/socket.c:2670) 
[463.740284][T18056] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[463.740615][T18056] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[463.740971][T18056] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[463.741289][T18056] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[463.741761][T18056] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[463.742172][T18056] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[463.742539][T18056] __sys_sendmsg (net/socket.c:2700) 
[463.742871][T18056] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[463.743205][T18056] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[463.743536][T18056] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[463.743961][T18056] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.744443][T18056] RIP: 0033:0x7fede06d51e7
[ 463.744837][T18056] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  463.746294][T18056] RSP: 002b:00007ffedf7d2218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.746852][T18056] RAX: ffffffffffffffda RBX: 00007ffedf7d2940 RCX: 00007fede06d51e7
[  463.747328][T18056] RDX: 0000000000000000 RSI: 00007ffedf7d2280 RDI: 0000000000000005
[  463.747918][T18056] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  463.748425][T18056] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffedf7d2978
[  463.748936][T18056] R13: 00000000686e35b6 R14: 0000000000499600 R15: 0000000000000000
| [  463.988146][T18058] ------------[ cut here ]------------
| [463.988520][T18058] WARNING: CPU: 3 PID: 18058 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  463.989152][T18058] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  463.990312][T18058] Tainted: [W]=WARN
[  463.990560][T18058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[463.990963][T18058] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 463.991303][T18058] 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
[  463.992490][T18058] RSP: 0018:ffffc90005de7080 EFLAGS: 00010246
[  463.992903][T18058] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  463.993404][T18058] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  463.993910][T18058] RBP: ffffc90005de7168 R08: 0000000000000000 R09: 0000000000000000
[  463.994410][T18058] R10: ffffc90005de7198 R11: ffffffff992a8918 R12: 1ffff92000bbce14
[  463.994921][T18058] R13: 00000000000005dc R14: ffffc90005de7198 R15: ffff888013bf2f08
[  463.995430][T18058] FS:  00007f0432dc8800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  463.996023][T18058] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.996459][T18058] CR2: 00000000004a1738 CR3: 0000000012bcb006 CR4: 0000000000772ef0
[  463.996954][T18058] PKRU: 55555554
[  463.997192][T18058] Call Trace:
[  463.997436][T18058]  <TASK>
[463.997601][T18058] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[463.997925][T18058] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[463.998244][T18058] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[463.998648][T18058] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[463.998965][T18058] netif_set_mtu (net/core/dev.c:9652) 
[463.999284][T18058] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[463.999674][T18058] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[464.000139][T18058] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[464.000380][T18058] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[464.000825][T18058] br_add_if (net/bridge/br_if.c:697) bridge 
[464.001197][T18058] do_set_master (net/core/rtnetlink.c:2948) 
[464.001559][T18058] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[464.001899][T18058] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[464.002234][T18058] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[464.002565][T18058] ? __dev_get_by_name (net/core/dev.c:865) 
[464.002895][T18058] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.003224][T18058] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.003573][T18058] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[464.003912][T18058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.004263][T18058] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[464.004600][T18058] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[464.004924][T18058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.005284][T18058] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[464.005628][T18058] ? __lock_release (kernel/locking/lockdep.c:5539) 
[464.005962][T18058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.006274][T18058] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[464.006598][T18058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.006926][T18058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.007262][T18058] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[464.007612][T18058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.007934][T18058] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[464.008265][T18058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[464.008589][T18058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[464.008915][T18058] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[464.009235][T18058] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[464.009582][T18058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.009917][T18058] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[464.010242][T18058] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[464.010572][T18058] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[464.010909][T18058] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[464.011239][T18058] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[464.011587][T18058] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[464.011996][T18058] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[464.012327][T18058] ___sys_sendmsg (net/socket.c:2670) 
[464.012664][T18058] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[464.012990][T18058] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[464.013319][T18058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.013650][T18058] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[464.013975][T18058] ? __handle_mm_fault (mm/memory.c:6212) 
[464.014298][T18058] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[464.014636][T18058] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[464.014983][T18058] __sys_sendmsg (net/socket.c:2700) 
[464.015311][T18058] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[464.015633][T18058] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[464.015971][T18058] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[464.016300][T18058] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[464.016657][T18058] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[464.016976][T18058] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  464.017371][T18058] RIP: 0033:0x7f0432f951e7
[ 464.017752][T18058] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  464.018937][T18058] RSP: 002b:00007ffd85496cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.019432][T18058] RAX: ffffffffffffffda RBX: 00007ffd85497400 RCX: 00007f0432f951e7
[  464.019985][T18058] RDX: 0000000000000000 RSI: 00007ffd85496d40 RDI: 0000000000000005
[  464.020491][T18058] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  464.021001][T18058] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd85497438
[  464.021526][T18058] R13: 00000000686e35b6 R14: 0000000000499600 R15: 0000000000000000
| [  464.193718][T18060] ------------[ cut here ]------------
| [464.194069][T18060] WARNING: CPU: 2 PID: 18060 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  464.194796][T18060] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  464.196023][T18060] Tainted: [W]=WARN
[  464.196283][T18060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[464.196723][T18060] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 464.197071][T18060] 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
[  464.198262][T18060] RSP: 0018:ffffc90005e07080 EFLAGS: 00010246
[  464.198728][T18060] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  464.199221][T18060] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  464.199728][T18060] RBP: ffffc90005e07168 R08: 0000000000000000 R09: 0000000000000000
[  464.200229][T18060] R10: ffffc90005e07198 R11: ffffffff992a8918 R12: 1ffff92000bc0e14
[  464.200725][T18060] R13: 00000000000005dc R14: ffffc90005e07198 R15: ffff888013bf2f08
[  464.201226][T18060] FS:  00007f284e4a5800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  464.201895][T18060] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  464.202320][T18060] CR2: 00000000004a1738 CR3: 0000000013bdc003 CR4: 0000000000772ef0
[  464.202826][T18060] PKRU: 55555554
[  464.203076][T18060] Call Trace:
[  464.203325][T18060]  <TASK>
[464.203512][T18060] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[464.203847][T18060] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[464.204183][T18060] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[464.204600][T18060] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[464.204935][T18060] netif_set_mtu (net/core/dev.c:9652) 
[464.205310][T18060] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[464.205675][T18060] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[464.206159][T18060] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[464.206448][T18060] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[464.206941][T18060] br_add_if (net/bridge/br_if.c:697) bridge 
[464.207336][T18060] do_set_master (net/core/rtnetlink.c:2948) 
[464.207693][T18060] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[464.208044][T18060] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[464.208404][T18060] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[464.208774][T18060] ? __dev_get_by_name (net/core/dev.c:865) 
[464.209139][T18060] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.209479][T18060] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.209815][T18060] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[464.210146][T18060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.210594][T18060] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[464.211222][T18060] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[464.211862][T18060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.212519][T18060] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[464.213104][T18060] ? __lock_release (kernel/locking/lockdep.c:5539) 
[464.213716][T18060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.214308][T18060] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[464.214933][T18060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.215560][T18060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.216179][T18060] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[464.216798][T18060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.217417][T18060] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[464.218033][T18060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[464.218645][T18060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[464.219258][T18060] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[464.219876][T18060] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[464.220484][T18060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.221093][T18060] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[464.221733][T18060] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[464.222308][T18060] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[464.222934][T18060] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[464.223554][T18060] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[464.224171][T18060] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[464.224979][T18060] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[464.225607][T18060] ___sys_sendmsg (net/socket.c:2670) 
[464.226218][T18060] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[464.226829][T18060] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[464.227363][T18060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.227739][T18060] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[464.228080][T18060] ? __handle_mm_fault (mm/memory.c:6212) 
[464.228431][T18060] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[464.228778][T18060] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[464.229124][T18060] __sys_sendmsg (net/socket.c:2700) 
[464.229468][T18060] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[464.229810][T18060] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[464.230162][T18060] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[464.230510][T18060] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[464.230875][T18060] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[464.231207][T18060] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  464.231637][T18060] RIP: 0033:0x7f284e6721e7
[ 464.232095][T18060] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  464.233288][T18060] RSP: 002b:00007ffe34fefd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.233812][T18060] RAX: ffffffffffffffda RBX: 00007ffe34ff04c0 RCX: 00007f284e6721e7
[  464.234309][T18060] RDX: 0000000000000000 RSI: 00007ffe34fefe00 RDI: 0000000000000005
[  464.234818][T18060] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  464.235305][T18060] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe34ff04f8
[  464.235819][T18060] R13: 00000000686e35b6 R14: 0000000000499600 R15: 0000000000000000
| [  464.409686][T18062] ------------[ cut here ]------------
| [464.410027][T18062] WARNING: CPU: 0 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) 
| [  464.410690][T18062] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  464.411884][T18062] Tainted: [W]=WARN
[  464.412136][T18062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[464.412540][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) 
[ 464.412894][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
[  464.414038][T18062] RSP: 0018:ffffc90005de7080 EFLAGS: 00010246
[  464.414471][T18062] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  464.414965][T18062] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  464.415465][T18062] RBP: ffffc90005de7168 R08: 0000000000000000 R09: 0000000000000000
[  464.415956][T18062] R10: ffffc90005de7198 R11: ffffffff992a8918 R12: 1ffff92000bbce14
[  464.416468][T18062] R13: 00000000000005dc R14: ffffc90005de7198 R15: ffff888013bf2f08
[  464.416972][T18062] FS:  00007f5abc4ed800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  464.417548][T18062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  464.418004][T18062] CR2: 00000000004a1738 CR3: 0000000006045003 CR4: 0000000000772ef0
[  464.418508][T18062] PKRU: 55555554
[  464.418762][T18062] Call Trace:
[  464.419009][T18062]  <TASK>
[464.419180][T18062] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[464.419526][T18062] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[464.419852][T18062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[464.420257][T18062] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[464.420587][T18062] netif_set_mtu (net/core/dev.c:9652) 
[464.420915][T18062] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[464.421252][T18062] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[464.421728][T18062] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[464.421977][T18062] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[464.422424][T18062] br_add_if (net/bridge/br_if.c:697) bridge 
[464.422797][T18062] do_set_master (net/core/rtnetlink.c:2948) 
[464.423135][T18062] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[464.423493][T18062] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[464.423831][T18062] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[464.424160][T18062] ? __dev_get_by_name (net/core/dev.c:865) 
[464.424485][T18062] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.424822][T18062] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.425163][T18062] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[464.425506][T18062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.425844][T18062] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[464.426176][T18062] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[464.426504][T18062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.426842][T18062] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[464.427180][T18062] ? __lock_release (kernel/locking/lockdep.c:5539) 
[464.427523][T18062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.427855][T18062] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[464.428186][T18062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.428536][T18062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.428881][T18062] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[464.429223][T18062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.429590][T18062] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[464.429948][T18062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[464.430273][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) 
[464.430612][T18062] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[464.430944][T18062] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[464.431282][T18062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.431719][T18062] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[464.432060][T18062] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[464.432385][T18062] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[464.432782][T18062] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[464.433112][T18062] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[464.433461][T18062] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[464.433867][T18062] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[464.434203][T18062] ___sys_sendmsg (net/socket.c:2670) 
[464.434556][T18062] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[464.434890][T18062] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[464.435240][T18062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.435569][T18062] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[464.435896][T18062] ? __handle_mm_fault (mm/memory.c:6212) 
[464.436224][T18062] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[464.436544][T18062] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[464.436900][T18062] __sys_sendmsg (net/socket.c:2700) 
[464.437226][T18062] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[464.437584][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) 
[464.437933][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) 
[464.438279][T18062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[464.438643][T18062] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[464.438982][T18062] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  464.439377][T18062] RIP: 0033:0x7f5abc6ba1e7
[ 464.439754][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)
[  464.440904][T18062] RSP: 002b:00007ffc535d4638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.441416][T18062] RAX: ffffffffffffffda RBX: 00007ffc535d4d60 RCX: 00007f5abc6ba1e7
[  464.441888][T18062] RDX: 0000000000000000 RSI: 00007ffc535d46a0 RDI: 0000000000000005
[  464.442409][T18062] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  464.442904][T18062] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc535d4d98
[  464.443425][T18062] R13: 00000000686e35b7 R14: 0000000000499600 R15: 0000000000000000
| [  464.624329][T18065] ------------[ cut here ]------------
| [464.624812][T18065] WARNING: CPU: 2 PID: 18065 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  464.625526][T18065] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  464.626804][T18065] Tainted: [W]=WARN
[  464.627090][T18065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[464.627551][T18065] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 464.627915][T18065] 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
[  464.629126][T18065] RSP: 0018:ffffc90008717080 EFLAGS: 00010246
[  464.629573][T18065] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  464.630078][T18065] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  464.630583][T18065] RBP: ffffc90008717168 R08: 0000000000000000 R09: 0000000000000000
[  464.631151][T18065] R10: ffffc90008717198 R11: ffffffff992a8918 R12: 1ffff920010e2e14
[  464.631692][T18065] R13: 00000000000005dc R14: ffffc90008717198 R15: ffff888013bf2f08
[  464.632207][T18065] FS:  00007f3dcba15800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  464.632809][T18065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  464.633258][T18065] CR2: 00000000004a1738 CR3: 0000000012616003 CR4: 0000000000772ef0
[  464.633776][T18065] PKRU: 55555554
[  464.634061][T18065] Call Trace:
[  464.634328][T18065]  <TASK>
[464.634526][T18065] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[464.634888][T18065] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[464.635238][T18065] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[464.635678][T18065] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[464.636028][T18065] netif_set_mtu (net/core/dev.c:9652) 
[464.636361][T18065] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[464.636729][T18065] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[464.637196][T18065] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[464.637460][T18065] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[464.637927][T18065] br_add_if (net/bridge/br_if.c:697) bridge 
[464.638310][T18065] do_set_master (net/core/rtnetlink.c:2948) 
[464.638694][T18065] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[464.639036][T18065] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[464.639379][T18065] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[464.639718][T18065] ? __dev_get_by_name (net/core/dev.c:865) 
[464.640053][T18065] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.640425][T18065] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.640816][T18065] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[464.641148][T18065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.641512][T18065] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[464.641855][T18065] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[464.642205][T18065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.642569][T18065] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[464.642897][T18065] ? __lock_release (kernel/locking/lockdep.c:5539) 
[464.643242][T18065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.643617][T18065] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[464.643953][T18065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.644318][T18065] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.644698][T18065] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[464.645035][T18065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.645379][T18065] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[464.645743][T18065] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[464.646098][T18065] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[464.646440][T18065] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[464.646793][T18065] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[464.647122][T18065] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.647467][T18065] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[464.647838][T18065] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[464.648178][T18065] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[464.648528][T18065] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[464.648865][T18065] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[464.649194][T18065] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[464.649615][T18065] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[464.649974][T18065] ___sys_sendmsg (net/socket.c:2670) 
[464.650308][T18065] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[464.650654][T18065] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[464.650988][T18065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.651338][T18065] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[464.651734][T18065] ? __handle_mm_fault (mm/memory.c:6212) 
[464.652196][T18065] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[464.652701][T18065] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[464.653339][T18065] __sys_sendmsg (net/socket.c:2700) 
[464.653938][T18065] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[464.654531][T18065] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[464.655147][T18065] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[464.655764][T18065] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[464.656378][T18065] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[464.656980][T18065] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  464.657733][T18065] RIP: 0033:0x7f3dcbbe21e7
[ 464.658305][T18065] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  464.660313][T18065] RSP: 002b:00007fff32c20a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.661235][T18065] RAX: ffffffffffffffda RBX: 00007fff32c21190 RCX: 00007f3dcbbe21e7
[  464.662164][T18065] RDX: 0000000000000000 RSI: 00007fff32c20ad0 RDI: 0000000000000005
[  464.663070][T18065] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  464.663980][T18065] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff32c211c8
[  464.664857][T18065] R13: 00000000686e35b7 R14: 0000000000499600 R15: 0000000000000000
| [  464.861107][T18067] ------------[ cut here ]------------
| [464.861568][T18067] WARNING: CPU: 2 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) 
| [  464.862269][T18067] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  464.863571][T18067] Tainted: [W]=WARN
[  464.863834][T18067] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[464.864289][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) 
[ 464.864655][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
[  464.865879][T18067] RSP: 0018:ffffc90005de7080 EFLAGS: 00010246
[  464.866333][T18067] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  464.866863][T18067] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  464.867401][T18067] RBP: ffffc90005de7168 R08: 0000000000000000 R09: 0000000000000000
[  464.867926][T18067] R10: ffffc90005de7198 R11: ffffffff992a8918 R12: 1ffff92000bbce14
[  464.868521][T18067] R13: 00000000000005dc R14: ffffc90005de7198 R15: ffff888013bf2f08
[  464.869034][T18067] FS:  00007fab1b3c7800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  464.869623][T18067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  464.870051][T18067] CR2: 00000000004a1738 CR3: 0000000013bdc001 CR4: 0000000000772ef0
[  464.870575][T18067] PKRU: 55555554
[  464.870835][T18067] Call Trace:
[  464.871102][T18067]  <TASK>
[464.871281][T18067] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[464.871654][T18067] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[464.872022][T18067] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[464.872481][T18067] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[464.872826][T18067] netif_set_mtu (net/core/dev.c:9652) 
[464.873186][T18067] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[464.873549][T18067] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[464.874037][T18067] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[464.874298][T18067] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[464.874767][T18067] br_add_if (net/bridge/br_if.c:697) bridge 
[464.875182][T18067] do_set_master (net/core/rtnetlink.c:2948) 
[464.875535][T18067] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[464.875869][T18067] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[464.876219][T18067] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[464.876600][T18067] ? __dev_get_by_name (net/core/dev.c:865) 
[464.876936][T18067] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.877268][T18067] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[464.877622][T18067] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[464.877952][T18067] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.878315][T18067] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[464.878667][T18067] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[464.879023][T18067] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.879363][T18067] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[464.879784][T18067] ? __lock_release (kernel/locking/lockdep.c:5539) 
[464.880127][T18067] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[464.880466][T18067] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[464.880806][T18067] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.881143][T18067] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.881527][T18067] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[464.881887][T18067] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[464.882219][T18067] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[464.882609][T18067] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[464.882982][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) 
[464.883310][T18067] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[464.883721][T18067] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[464.884115][T18067] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[464.884500][T18067] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[464.884862][T18067] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[464.885212][T18067] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[464.885566][T18067] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[464.885912][T18067] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[464.886243][T18067] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[464.886659][T18067] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[464.887002][T18067] ___sys_sendmsg (net/socket.c:2670) 
[464.887341][T18067] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[464.887719][T18067] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[464.888056][T18067] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[464.888431][T18067] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[464.888787][T18067] ? __handle_mm_fault (mm/memory.c:6212) 
[464.889113][T18067] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[464.889457][T18067] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[464.889803][T18067] __sys_sendmsg (net/socket.c:2700) 
[464.890135][T18067] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[464.890474][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) 
[464.890814][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) 
[464.891144][T18067] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[464.891537][T18067] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[464.891869][T18067] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  464.892289][T18067] RIP: 0033:0x7fab1b5941e7
[ 464.892684][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)
[  464.893856][T18067] RSP: 002b:00007ffe0b854b08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.894360][T18067] RAX: ffffffffffffffda RBX: 00007ffe0b855230 RCX: 00007fab1b5941e7
[  464.894888][T18067] RDX: 0000000000000000 RSI: 00007ffe0b854b70 RDI: 0000000000000005
[  464.895379][T18067] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  464.895874][T18067] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe0b855268
[  464.896375][T18067] R13: 00000000686e35b7 R14: 0000000000499600 R15: 0000000000000000
| [  465.102591][T18068] ------------[ cut here ]------------
| [465.103145][T18068] WARNING: CPU: 3 PID: 18068 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  465.104287][T18068] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  465.106336][T18068] Tainted: [W]=WARN
[  465.106787][T18068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[465.107529][T18068] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 465.108133][T18068] 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
[  465.110144][T18068] RSP: 0018:ffffc90008707080 EFLAGS: 00010246
[  465.110888][T18068] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  465.111846][T18068] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  465.112713][T18068] RBP: ffffc90008707168 R08: 0000000000000000 R09: 0000000000000000
[  465.113577][T18068] R10: ffffc90008707198 R11: ffffffff992a8918 R12: 1ffff920010e0e14
[  465.114274][T18068] R13: 00000000000005dc R14: ffffc90008707198 R15: ffff888013bf2f08
[  465.115183][T18068] FS:  00007f2a9bb5c800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  465.116220][T18068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.116978][T18068] CR2: 00000000004a1738 CR3: 00000000130cb005 CR4: 0000000000772ef0
[  465.117773][T18068] PKRU: 55555554
[  465.118195][T18068] Call Trace:
[  465.118649][T18068]  <TASK>
[465.118891][T18068] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[465.119356][T18068] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[465.119944][T18068] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[465.120759][T18068] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[465.121347][T18068] netif_set_mtu (net/core/dev.c:9652) 
[465.121935][T18068] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[465.122530][T18068] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[465.123174][T18068] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[465.123624][T18068] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[465.124436][T18068] br_add_if (net/bridge/br_if.c:697) bridge 
[465.125112][T18068] do_set_master (net/core/rtnetlink.c:2948) 
[465.125707][T18068] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[465.126284][T18068] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[465.126834][T18068] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[465.127414][T18068] ? __dev_get_by_name (net/core/dev.c:865) 
[465.127912][T18068] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.128363][T18068] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.128929][T18068] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[465.129476][T18068] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.130026][T18068] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[465.130602][T18068] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[465.131195][T18068] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.131814][T18068] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[465.132384][T18068] ? __lock_release (kernel/locking/lockdep.c:5539) 
[465.132962][T18068] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.133540][T18068] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[465.134102][T18068] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.134678][T18068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.135154][T18068] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[465.135677][T18068] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.136166][T18068] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[465.136739][T18068] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[465.137272][T18068] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[465.137823][T18068] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[465.138401][T18068] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[465.138979][T18068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.139556][T18068] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[465.140109][T18068] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[465.140580][T18068] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[465.141156][T18068] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[465.141769][T18068] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[465.142351][T18068] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[465.143101][T18068] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[465.143669][T18068] ___sys_sendmsg (net/socket.c:2670) 
[465.144193][T18068] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[465.144797][T18068] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[465.145257][T18068] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.145823][T18068] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[465.146384][T18068] ? __handle_mm_fault (mm/memory.c:6212) 
[465.146958][T18068] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[465.147519][T18068] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[465.148180][T18068] __sys_sendmsg (net/socket.c:2700) 
[465.148756][T18068] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[465.149143][T18068] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[465.149652][T18068] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[465.150201][T18068] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[465.150776][T18068] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[465.151350][T18068] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.152053][T18068] RIP: 0033:0x7f2a9bd291e7
[ 465.152535][T18068] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  465.154313][T18068] RSP: 002b:00007ffd835c52a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.155170][T18068] RAX: ffffffffffffffda RBX: 00007ffd835c59d0 RCX: 00007f2a9bd291e7
[  465.156018][T18068] RDX: 0000000000000000 RSI: 00007ffd835c5310 RDI: 0000000000000005
[  465.156842][T18068] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  465.157577][T18068] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd835c5a08
[  465.158434][T18068] R13: 00000000686e35b7 R14: 0000000000499600 R15: 0000000000000000
| [  465.340774][T18071] ------------[ cut here ]------------
| [465.341114][T18071] WARNING: CPU: 3 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) 
| [  465.341853][T18071] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  465.343036][T18071] Tainted: [W]=WARN
[  465.343280][T18071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[465.343710][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) 
[ 465.344068][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
[  465.345305][T18071] RSP: 0018:ffffc90004e27080 EFLAGS: 00010246
[  465.345743][T18071] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  465.346249][T18071] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  465.346785][T18071] RBP: ffffc90004e27168 R08: 0000000000000000 R09: 0000000000000000
[  465.347300][T18071] R10: ffffc90004e27198 R11: ffffffff992a8918 R12: 1ffff920009c4e14
[  465.347807][T18071] R13: 00000000000005dc R14: ffffc90004e27198 R15: ffff888013bf2f08
[  465.348314][T18071] FS:  00007fa8f9b03800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  465.348947][T18071] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.349380][T18071] CR2: 00007fa5237f3840 CR3: 000000000f002002 CR4: 0000000000772ef0
[  465.349937][T18071] PKRU: 55555554
[  465.350194][T18071] Call Trace:
[  465.350459][T18071]  <TASK>
[465.350636][T18071] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[465.351000][T18071] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[465.351359][T18071] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[465.351799][T18071] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[465.352139][T18071] netif_set_mtu (net/core/dev.c:9652) 
[465.352487][T18071] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[465.352850][T18071] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[465.353343][T18071] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[465.353638][T18071] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[465.354107][T18071] br_add_if (net/bridge/br_if.c:697) bridge 
[465.354515][T18071] do_set_master (net/core/rtnetlink.c:2948) 
[465.354860][T18071] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[465.355206][T18071] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[465.355556][T18071] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[465.355906][T18071] ? __dev_get_by_name (net/core/dev.c:865) 
[465.356266][T18071] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.356614][T18071] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.356959][T18071] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[465.357294][T18071] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.357653][T18071] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[465.358001][T18071] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[465.358343][T18071] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.358708][T18071] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[465.359045][T18071] ? __lock_release (kernel/locking/lockdep.c:5539) 
[465.359383][T18071] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.359719][T18071] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[465.360057][T18071] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.360405][T18071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.360750][T18071] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[465.361091][T18071] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.361453][T18071] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[465.361813][T18071] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[465.362167][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) 
[465.362523][T18071] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[465.362866][T18071] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[465.363214][T18071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.363569][T18071] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[465.363918][T18071] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[465.364264][T18071] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[465.364621][T18071] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[465.364971][T18071] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[465.365304][T18071] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[465.365741][T18071] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[465.366106][T18071] ___sys_sendmsg (net/socket.c:2670) 
[465.366474][T18071] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[465.366831][T18071] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[465.367180][T18071] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.367555][T18071] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[465.367909][T18071] ? __handle_mm_fault (mm/memory.c:6212) 
[465.368263][T18071] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[465.368608][T18071] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[465.368979][T18071] __sys_sendmsg (net/socket.c:2700) 
[465.369335][T18071] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[465.369684][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) 
[465.370044][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) 
[465.370387][T18071] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[465.370757][T18071] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[465.371110][T18071] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.371565][T18071] RIP: 0033:0x7fa8f9cd01e7
[ 465.371969][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)
[  465.373215][T18071] RSP: 002b:00007ffe0b9fdc98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.373743][T18071] RAX: ffffffffffffffda RBX: 00007ffe0b9fe3c0 RCX: 00007fa8f9cd01e7
[  465.374275][T18071] RDX: 0000000000000000 RSI: 00007ffe0b9fdd00 RDI: 0000000000000005
[  465.374799][T18071] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  465.375312][T18071] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe0b9fe3f8
[  465.375863][T18071] R13: 00000000686e35b7 R14: 0000000000499600 R15: 0000000000000000
| [  465.584887][T18073] ------------[ cut here ]------------
| [465.585627][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) 
| [  465.586837][T18073] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  465.589004][T18073] Tainted: [W]=WARN
[  465.589486][T18073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[465.590247][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) 
[ 465.590891][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
[  465.593032][T18073] RSP: 0018:ffffc90004e27080 EFLAGS: 00010246
[  465.593810][T18073] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  465.594709][T18073] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  465.595579][T18073] RBP: ffffc90004e27168 R08: 0000000000000000 R09: 0000000000000000
[  465.596476][T18073] R10: ffffc90004e27198 R11: ffffffff992a8918 R12: 1ffff920009c4e14
[  465.597368][T18073] R13: 00000000000005dc R14: ffffc90004e27198 R15: ffff888013bf2f08
[  465.598275][T18073] FS:  00007fbdcb59f800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  465.599322][T18073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.600106][T18073] CR2: 00000000004a1738 CR3: 0000000013dca006 CR4: 0000000000772ef0
[  465.601026][T18073] PKRU: 55555554
[  465.601537][T18073] Call Trace:
[  465.602007][T18073]  <TASK>
[465.602328][T18073] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[465.602966][T18073] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[465.603599][T18073] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[465.604123][T18073] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[465.604603][T18073] netif_set_mtu (net/core/dev.c:9652) 
[465.605071][T18073] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[465.605664][T18073] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[465.606533][T18073] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[465.607018][T18073] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[465.607859][T18073] br_add_if (net/bridge/br_if.c:697) bridge 
[465.608578][T18073] do_set_master (net/core/rtnetlink.c:2948) 
[465.609206][T18073] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[465.609842][T18073] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[465.610473][T18073] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[465.611059][T18073] ? __dev_get_by_name (net/core/dev.c:865) 
[465.611572][T18073] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.611944][T18073] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.612314][T18073] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[465.612684][T18073] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.613058][T18073] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[465.613446][T18073] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[465.613816][T18073] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.614215][T18073] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[465.614609][T18073] ? __lock_release (kernel/locking/lockdep.c:5539) 
[465.614998][T18073] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.615360][T18073] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[465.615744][T18073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.616114][T18073] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.616495][T18073] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[465.616860][T18073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.617225][T18073] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[465.617607][T18073] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[465.617975][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) 
[465.618344][T18073] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[465.618744][T18073] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[465.619109][T18073] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.619496][T18073] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[465.619872][T18073] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[465.620246][T18073] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[465.620651][T18073] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[465.621036][T18073] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[465.621440][T18073] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[465.622113][T18073] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[465.622807][T18073] ___sys_sendmsg (net/socket.c:2670) 
[465.623449][T18073] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[465.624083][T18073] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[465.624707][T18073] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.625350][T18073] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[465.626009][T18073] ? __handle_mm_fault (mm/memory.c:6212) 
[465.626649][T18073] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[465.627233][T18073] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[465.627882][T18073] __sys_sendmsg (net/socket.c:2700) 
[465.628537][T18073] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[465.629160][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) 
[465.629828][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) 
[465.630494][T18073] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[465.631136][T18073] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[465.631724][T18073] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.632440][T18073] RIP: 0033:0x7fbdcb76c1e7
[ 465.633033][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)
[  465.635060][T18073] RSP: 002b:00007ffee2d77988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.635919][T18073] RAX: ffffffffffffffda RBX: 00007ffee2d780b0 RCX: 00007fbdcb76c1e7
[  465.636787][T18073] RDX: 0000000000000000 RSI: 00007ffee2d779f0 RDI: 0000000000000005
[  465.637641][T18073] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  465.638922][T18073] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee2d780e8
[  465.639735][T18073] R13: 00000000686e35b8 R14: 0000000000499600 R15: 0000000000000000
| [  465.878607][T18074] ------------[ cut here ]------------
| [465.878972][T18074] WARNING: CPU: 3 PID: 18074 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  465.879748][T18074] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  465.881010][T18074] Tainted: [W]=WARN
[  465.881280][T18074] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[465.881864][T18074] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 465.882235][T18074] 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
[  465.883408][T18074] RSP: 0018:ffffc90005e07080 EFLAGS: 00010246
[  465.883822][T18074] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  465.884311][T18074] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  465.884859][T18074] RBP: ffffc90005e07168 R08: 0000000000000000 R09: 0000000000000000
[  465.885364][T18074] R10: ffffc90005e07198 R11: ffffffff992a8918 R12: 1ffff92000bc0e14
[  465.885862][T18074] R13: 00000000000005dc R14: ffffc90005e07198 R15: ffff888013bf2f08
[  465.886346][T18074] FS:  00007fcc73260800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  465.886918][T18074] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.887338][T18074] CR2: 00000000004a1738 CR3: 0000000005092005 CR4: 0000000000772ef0
[  465.888039][T18074] PKRU: 55555554
[  465.888438][T18074] Call Trace:
[  465.888852][T18074]  <TASK>
[465.889136][T18074] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[465.889733][T18074] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[465.890326][T18074] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[465.891037][T18074] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[465.891629][T18074] netif_set_mtu (net/core/dev.c:9652) 
[465.892200][T18074] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[465.892807][T18074] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[465.893587][T18074] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[465.894000][T18074] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[465.894722][T18074] br_add_if (net/bridge/br_if.c:697) bridge 
[465.895370][T18074] do_set_master (net/core/rtnetlink.c:2948) 
[465.895816][T18074] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[465.896150][T18074] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[465.896502][T18074] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[465.896830][T18074] ? __dev_get_by_name (net/core/dev.c:865) 
[465.897176][T18074] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.897557][T18074] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[465.897896][T18074] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[465.898224][T18074] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.898577][T18074] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[465.898942][T18074] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[465.899281][T18074] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.899633][T18074] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[465.899976][T18074] ? __lock_release (kernel/locking/lockdep.c:5539) 
[465.900324][T18074] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[465.900683][T18074] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[465.901017][T18074] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.901382][T18074] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.901739][T18074] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[465.902092][T18074] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[465.902466][T18074] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[465.902836][T18074] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[465.903165][T18074] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[465.903511][T18074] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[465.903845][T18074] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[465.904235][T18074] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[465.904776][T18074] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[465.905374][T18074] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[465.905980][T18074] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[465.906589][T18074] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[465.907187][T18074] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[465.907760][T18074] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[465.908470][T18074] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[465.909050][T18074] ___sys_sendmsg (net/socket.c:2670) 
[465.909662][T18074] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[465.910238][T18074] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[465.910835][T18074] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[465.911359][T18074] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[465.911937][T18074] ? __handle_mm_fault (mm/memory.c:6212) 
[465.912281][T18074] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[465.912620][T18074] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[465.912965][T18074] __sys_sendmsg (net/socket.c:2700) 
[465.913321][T18074] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[465.913673][T18074] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[465.914009][T18074] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[465.914344][T18074] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[465.914696][T18074] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[465.915028][T18074] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.915451][T18074] RIP: 0033:0x7fcc7342d1e7
[ 465.915795][T18074] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  465.916978][T18074] RSP: 002b:00007fff0bf43148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.917537][T18074] RAX: ffffffffffffffda RBX: 00007fff0bf43870 RCX: 00007fcc7342d1e7
[  465.918063][T18074] RDX: 0000000000000000 RSI: 00007fff0bf431b0 RDI: 0000000000000005
[  465.918584][T18074] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  465.919102][T18074] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff0bf438a8
[  465.919615][T18074] R13: 00000000686e35b8 R14: 0000000000499600 R15: 0000000000000000
| [  466.077029][T18076] ------------[ cut here ]------------
| [466.077532][T18076] WARNING: CPU: 2 PID: 18076 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  466.078255][T18076] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  466.079599][T18076] Tainted: [W]=WARN
[  466.079890][T18076] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[466.080388][T18076] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 466.080783][T18076] 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
[  466.082161][T18076] RSP: 0018:ffffc90008707080 EFLAGS: 00010246
[  466.082634][T18076] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  466.083167][T18076] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  466.083720][T18076] RBP: ffffc90008707168 R08: 0000000000000000 R09: 0000000000000000
[  466.084285][T18076] R10: ffffc90008707198 R11: ffffffff992a8918 R12: 1ffff920010e0e14
[  466.084851][T18076] R13: 00000000000005dc R14: ffffc90008707198 R15: ffff888013bf2f08
[  466.085382][T18076] FS:  00007f05005c5800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  466.086063][T18076] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.086535][T18076] CR2: 00000000004a1738 CR3: 000000000c9e4005 CR4: 0000000000772ef0
[  466.087092][T18076] PKRU: 55555554
[  466.087372][T18076] Call Trace:
[  466.087656][T18076]  <TASK>
[466.087854][T18076] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[466.088231][T18076] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[466.088652][T18076] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[466.089120][T18076] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[466.089507][T18076] netif_set_mtu (net/core/dev.c:9652) 
[466.089874][T18076] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[466.090255][T18076] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[466.090778][T18076] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[466.091064][T18076] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[466.091592][T18076] br_add_if (net/bridge/br_if.c:697) bridge 
[466.092016][T18076] do_set_master (net/core/rtnetlink.c:2948) 
[466.092452][T18076] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[466.092809][T18076] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[466.093154][T18076] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[466.093553][T18076] ? __dev_get_by_name (net/core/dev.c:865) 
[466.093913][T18076] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.094275][T18076] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.094655][T18076] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[466.095021][T18076] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.095403][T18076] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[466.095784][T18076] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[466.096158][T18076] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.096576][T18076] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[466.096945][T18076] ? __lock_release (kernel/locking/lockdep.c:5539) 
[466.097316][T18076] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.097695][T18076] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[466.098063][T18076] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.098443][T18076] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.098819][T18076] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[466.099225][T18076] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.099597][T18076] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[466.099970][T18076] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[466.100367][T18076] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[466.100757][T18076] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[466.101133][T18076] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[466.101776][T18076] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.102138][T18076] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[466.102513][T18076] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[466.102896][T18076] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[466.103264][T18076] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[466.103636][T18076] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[466.103997][T18076] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[466.104730][T18076] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[466.105102][T18076] ___sys_sendmsg (net/socket.c:2670) 
[466.105479][T18076] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[466.105841][T18076] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[466.106205][T18076] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.106576][T18076] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[466.106951][T18076] ? __handle_mm_fault (mm/memory.c:6212) 
[466.107317][T18076] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[466.107687][T18076] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[466.108069][T18076] __sys_sendmsg (net/socket.c:2700) 
[466.108469][T18076] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[466.108864][T18076] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[466.109475][T18076] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[466.109853][T18076] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[466.110271][T18076] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[466.111110][T18076] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.111580][T18076] RIP: 0033:0x7f05007921e7
[ 466.111967][T18076] Code: Unable to access opcode bytes at 0x7f05007921bd.

Code starting with the faulting instruction
===========================================
[  466.112429][T18076] RSP: 002b:00007ffda6b94588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.113474][T18076] RAX: ffffffffffffffda RBX: 00007ffda6b94cb0 RCX: 00007f05007921e7
[  466.113990][T18076] RDX: 0000000000000000 RSI: 00007ffda6b945f0 RDI: 0000000000000005
[  466.114747][T18076] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  466.115289][T18076] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda6b94ce8
[  466.116094][T18076] R13: 00000000686e35b8 R14: 0000000000499600 R15: 0000000000000000
| [  466.281554][T18078] ------------[ cut here ]------------
| [466.281940][T18078] WARNING: CPU: 2 PID: 18078 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  466.282832][T18078] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  466.284442][T18078] Tainted: [W]=WARN
[  466.284749][T18078] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[466.285214][T18078] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 466.285695][T18078] 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
[  466.287233][T18078] RSP: 0018:ffffc90008707080 EFLAGS: 00010246
[  466.287765][T18078] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  466.288319][T18078] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  466.288956][T18078] RBP: ffffc90008707168 R08: 0000000000000000 R09: 0000000000000000
[  466.289679][T18078] R10: ffffc90008707198 R11: ffffffff992a8918 R12: 1ffff920010e0e14
[  466.290408][T18078] R13: 00000000000005dc R14: ffffc90008707198 R15: ffff888013bf2f08
[  466.290983][T18078] FS:  00007f3ab5143800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  466.291718][T18078] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.292222][T18078] CR2: 00000000004a1738 CR3: 000000000c22d003 CR4: 0000000000772ef0
[  466.292825][T18078] PKRU: 55555554
[  466.293123][T18078] Call Trace:
[  466.293450][T18078]  <TASK>
[466.293644][T18078] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[466.293999][T18078] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[466.294357][T18078] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[466.294794][T18078] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[466.295140][T18078] netif_set_mtu (net/core/dev.c:9652) 
[466.295507][T18078] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[466.295860][T18078] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[466.296341][T18078] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[466.296651][T18078] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[466.297119][T18078] br_add_if (net/bridge/br_if.c:697) bridge 
[466.297606][T18078] do_set_master (net/core/rtnetlink.c:2948) 
[466.297974][T18078] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[466.298357][T18078] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[466.298752][T18078] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[466.299188][T18078] ? __dev_get_by_name (net/core/dev.c:865) 
[466.299622][T18078] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.300035][T18078] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.300492][T18078] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[466.300914][T18078] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.301364][T18078] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[466.301864][T18078] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[466.302312][T18078] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.302745][T18078] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[466.303167][T18078] ? __lock_release (kernel/locking/lockdep.c:5539) 
[466.303564][T18078] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.303968][T18078] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[466.304383][T18078] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.304795][T18078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.305175][T18078] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[466.305550][T18078] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.305912][T18078] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[466.306287][T18078] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[466.306658][T18078] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[466.307023][T18078] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[466.307400][T18078] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[466.307776][T18078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.308138][T18078] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[466.308517][T18078] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[466.308881][T18078] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[466.309348][T18078] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[466.309733][T18078] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[466.310082][T18078] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[466.310554][T18078] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[466.310914][T18078] ___sys_sendmsg (net/socket.c:2670) 
[466.311277][T18078] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[466.311683][T18078] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[466.312042][T18078] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.312410][T18078] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[466.312769][T18078] ? __handle_mm_fault (mm/memory.c:6212) 
[466.313128][T18078] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[466.313530][T18078] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[466.313900][T18078] __sys_sendmsg (net/socket.c:2700) 
[466.314256][T18078] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[466.314631][T18078] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[466.315031][T18078] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[466.315473][T18078] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[466.315855][T18078] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[466.316248][T18078] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.316731][T18078] RIP: 0033:0x7f3ab53101e7
[ 466.317119][T18078] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  466.318421][T18078] RSP: 002b:00007ffc50149488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.318945][T18078] RAX: ffffffffffffffda RBX: 00007ffc50149bb0 RCX: 00007f3ab53101e7
[  466.319494][T18078] RDX: 0000000000000000 RSI: 00007ffc501494f0 RDI: 0000000000000005
[  466.320027][T18078] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  466.320568][T18078] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc50149be8
[  466.321099][T18078] R13: 00000000686e35b8 R14: 0000000000499600 R15: 0000000000000000
| [  466.510867][T18080] ------------[ cut here ]------------
| [466.511222][T18080] WARNING: CPU: 2 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) 
| [  466.512002][T18080] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  466.513253][T18080] Tainted: [W]=WARN
[  466.513523][T18080] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[466.513948][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) 
[ 466.514309][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
[  466.515493][T18080] RSP: 0018:ffffc90008707080 EFLAGS: 00010246
[  466.515927][T18080] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  466.516443][T18080] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  466.516983][T18080] RBP: ffffc90008707168 R08: 0000000000000000 R09: 0000000000000000
[  466.517518][T18080] R10: ffffc90008707198 R11: ffffffff992a8918 R12: 1ffff920010e0e14
[  466.518025][T18080] R13: 00000000000005dc R14: ffffc90008707198 R15: ffff888013bf2f08
[  466.518549][T18080] FS:  00007f881a129800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  466.519152][T18080] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.519605][T18080] CR2: 00007f881a33d5c0 CR3: 000000000913a005 CR4: 0000000000772ef0
[  466.520102][T18080] PKRU: 55555554
[  466.520356][T18080] Call Trace:
[  466.520657][T18080]  <TASK>
[466.520851][T18080] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[466.521191][T18080] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[466.521560][T18080] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[466.521978][T18080] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[466.522315][T18080] netif_set_mtu (net/core/dev.c:9652) 
[466.522656][T18080] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[466.523000][T18080] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[466.523519][T18080] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[466.523801][T18080] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[466.524261][T18080] br_add_if (net/bridge/br_if.c:697) bridge 
[466.524694][T18080] do_set_master (net/core/rtnetlink.c:2948) 
[466.525057][T18080] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[466.525403][T18080] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[466.525740][T18080] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[466.526065][T18080] ? __dev_get_by_name (net/core/dev.c:865) 
[466.526413][T18080] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.526762][T18080] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.527095][T18080] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[466.527449][T18080] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.527794][T18080] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[466.528143][T18080] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[466.528536][T18080] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.528900][T18080] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[466.529276][T18080] ? __lock_release (kernel/locking/lockdep.c:5539) 
[466.529650][T18080] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.529992][T18080] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[466.530339][T18080] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.530726][T18080] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.531077][T18080] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[466.531521][T18080] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.531863][T18080] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[466.532217][T18080] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[466.532610][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) 
[466.532965][T18080] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[466.533322][T18080] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[466.533672][T18080] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.534037][T18080] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[466.534406][T18080] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[466.534755][T18080] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[466.535113][T18080] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[466.535488][T18080] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[466.535832][T18080] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[466.536271][T18080] ___sys_sendmsg (net/socket.c:2670) 
[466.536673][T18080] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[466.537037][T18080] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[466.537419][T18080] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[466.537769][T18080] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[466.538139][T18080] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.538512][T18080] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[466.538864][T18080] __sys_sendmsg (net/socket.c:2700) 
[466.539228][T18080] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[466.539617][T18080] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[466.539983][T18080] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[466.540352][T18080] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.540840][T18080] RIP: 0033:0x7f881a2f61e7
[ 466.541209][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)
[  466.542451][T18080] RSP: 002b:00007ffe2e57d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.542982][T18080] RAX: ffffffffffffffda RBX: 00007ffe2e57def0 RCX: 00007f881a2f61e7
[  466.543509][T18080] RDX: 0000000000000000 RSI: 00007ffe2e57d830 RDI: 0000000000000005
[  466.544042][T18080] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  466.544610][T18080] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe2e57df28
[  466.545125][T18080] R13: 00000000686e35b9 R14: 0000000000499600 R15: 0000000000000000
| [  466.723745][T18083] ------------[ cut here ]------------
| [466.724313][T18083] WARNING: CPU: 2 PID: 18083 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  466.725623][T18083] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  466.727779][T18083] Tainted: [W]=WARN
[  466.728237][T18083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[466.728991][T18083] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 466.729637][T18083] 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
[  466.731624][T18083] RSP: 0018:ffffc90008707080 EFLAGS: 00010246
[  466.732433][T18083] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  466.733381][T18083] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  466.734298][T18083] RBP: ffffc90008707168 R08: 0000000000000000 R09: 0000000000000000
[  466.735188][T18083] R10: ffffc90008707198 R11: ffffffff992a8918 R12: 1ffff920010e0e14
[  466.736117][T18083] R13: 00000000000005dc R14: ffffc90008707198 R15: ffff888013bf2f08
[  466.737020][T18083] FS:  00007ff8f66ce800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  466.738087][T18083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.738838][T18083] CR2: 000056045b517228 CR3: 000000001490e006 CR4: 0000000000772ef0
[  466.739760][T18083] PKRU: 55555554
[  466.740228][T18083] Call Trace:
[  466.740708][T18083]  <TASK>
[466.741013][T18083] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[466.741624][T18083] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[466.742235][T18083] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[466.743058][T18083] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[466.743688][T18083] netif_set_mtu (net/core/dev.c:9652) 
[466.744295][T18083] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[466.744929][T18083] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[466.745774][T18083] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[466.746237][T18083] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[466.747074][T18083] br_add_if (net/bridge/br_if.c:697) bridge 
[466.747805][T18083] do_set_master (net/core/rtnetlink.c:2948) 
[466.748438][T18083] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[466.749019][T18083] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[466.749591][T18083] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[466.750188][T18083] ? __dev_get_by_name (net/core/dev.c:865) 
[466.750813][T18083] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.751440][T18083] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.752049][T18083] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[466.752649][T18083] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.753265][T18083] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[466.753953][T18083] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[466.754610][T18083] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.755240][T18083] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[466.755847][T18083] ? __lock_release (kernel/locking/lockdep.c:5539) 
[466.756467][T18083] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.757066][T18083] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[466.757703][T18083] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.758308][T18083] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.758944][T18083] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[466.759559][T18083] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.760151][T18083] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[466.760821][T18083] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[466.761460][T18083] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[466.762090][T18083] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[466.762711][T18083] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[466.763310][T18083] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.763926][T18083] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[466.764556][T18083] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[466.765160][T18083] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[466.765786][T18083] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[466.766414][T18083] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[466.767024][T18083] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[466.767801][T18083] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[466.768442][T18083] ___sys_sendmsg (net/socket.c:2670) 
[466.769049][T18083] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[466.769665][T18083] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[466.770271][T18083] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.770885][T18083] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[466.771478][T18083] ? __handle_mm_fault (mm/memory.c:6212) 
[466.771821][T18083] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[466.772418][T18083] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[466.772776][T18083] __sys_sendmsg (net/socket.c:2700) 
[466.773121][T18083] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[466.773702][T18083] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[466.774285][T18083] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[466.774652][T18083] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[466.775002][T18083] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[466.775349][T18083] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.775784][T18083] RIP: 0033:0x7ff8f689b1e7
[ 466.776145][T18083] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  466.777358][T18083] RSP: 002b:00007ffc8b7f1f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.777887][T18083] RAX: ffffffffffffffda RBX: 00007ffc8b7f2660 RCX: 00007ff8f689b1e7
[  466.778899][T18083] RDX: 0000000000000000 RSI: 00007ffc8b7f1fa0 RDI: 0000000000000005
[  466.779424][T18083] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  466.779940][T18083] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8b7f2698
[  466.780693][T18083] R13: 00000000686e35b9 R14: 0000000000499600 R15: 0000000000000000
| [  466.976107][T18084] ------------[ cut here ]------------
| [466.976553][T18084] WARNING: CPU: 0 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) 
| [  466.977193][T18084] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  466.978346][T18084] Tainted: [W]=WARN
[  466.978597][T18084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[466.978996][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) 
[ 466.979330][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
[  466.980524][T18084] RSP: 0000:ffffc90008747080 EFLAGS: 00010246
[  466.980943][T18084] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  466.981458][T18084] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  466.981977][T18084] RBP: ffffc90008747168 R08: 0000000000000000 R09: 0000000000000000
[  466.982464][T18084] R10: ffffc90008747198 R11: ffffffff992a8918 R12: 1ffff920010e8e14
[  466.982950][T18084] R13: 00000000000005dc R14: ffffc90008747198 R15: ffff888013bf2f08
[  466.983487][T18084] FS:  00007f6da1b36800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  466.984053][T18084] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.984489][T18084] CR2: 00007fa5237bbfc0 CR3: 0000000014b2e003 CR4: 0000000000772ef0
[  466.985003][T18084] PKRU: 55555554
[  466.985241][T18084] Call Trace:
[  466.985496][T18084]  <TASK>
[466.985666][T18084] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[466.986000][T18084] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[466.986322][T18084] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[466.986736][T18084] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[466.987060][T18084] netif_set_mtu (net/core/dev.c:9652) 
[466.987381][T18084] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[466.987804][T18084] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[466.988262][T18084] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[466.988532][T18084] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[466.988979][T18084] br_add_if (net/bridge/br_if.c:697) bridge 
[466.989350][T18084] do_set_master (net/core/rtnetlink.c:2948) 
[466.989690][T18084] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[466.990024][T18084] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[466.990350][T18084] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[466.990699][T18084] ? __dev_get_by_name (net/core/dev.c:865) 
[466.991017][T18084] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.991354][T18084] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[466.991720][T18084] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[466.992044][T18084] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[466.992388][T18084] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[466.992728][T18084] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[466.993052][T18084] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.993400][T18084] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[466.993716][T18084] ? __lock_release (kernel/locking/lockdep.c:5539) 
[466.994049][T18084] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[466.994380][T18084] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[466.994710][T18084] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.995036][T18084] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.995360][T18084] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[466.995723][T18084] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[466.996063][T18084] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[466.996407][T18084] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[466.996749][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) 
[466.997074][T18084] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[466.997443][T18084] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[466.997782][T18084] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[466.998111][T18084] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[466.998448][T18084] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[466.998783][T18084] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[466.999117][T18084] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[466.999481][T18084] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[466.999820][T18084] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[467.000222][T18084] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[467.000558][T18084] ___sys_sendmsg (net/socket.c:2670) 
[467.000886][T18084] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[467.001201][T18084] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[467.001543][T18084] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.001867][T18084] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[467.002194][T18084] ? __handle_mm_fault (mm/memory.c:6212) 
[467.002530][T18084] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[467.002858][T18084] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[467.003232][T18084] __sys_sendmsg (net/socket.c:2700) 
[467.003604][T18084] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[467.003933][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) 
[467.004269][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) 
[467.004611][T18084] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[467.004937][T18084] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[467.005254][T18084] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  467.005659][T18084] RIP: 0033:0x7f6da1d031e7
[ 467.005992][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)
[  467.007150][T18084] RSP: 002b:00007ffc09448a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.007681][T18084] RAX: ffffffffffffffda RBX: 00007ffc09449150 RCX: 00007f6da1d031e7
[  467.008169][T18084] RDX: 0000000000000000 RSI: 00007ffc09448a90 RDI: 0000000000000005
[  467.008659][T18084] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  467.009146][T18084] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc09449188
[  467.009631][T18084] R13: 00000000686e35b9 R14: 0000000000499600 R15: 0000000000000000
| [  467.205356][T18086] ------------[ cut here ]------------
| [467.206065][T18086] WARNING: CPU: 3 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) 
| [  467.207160][T18086] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  467.208984][T18086] Tainted: [W]=WARN
[  467.209405][T18086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[467.210087][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) 
[ 467.210766][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
[  467.212828][T18086] RSP: 0018:ffffc90008f77080 EFLAGS: 00010246
[  467.213564][T18086] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  467.214444][T18086] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  467.215268][T18086] RBP: ffffc90008f77168 R08: 0000000000000000 R09: 0000000000000000
[  467.216147][T18086] R10: ffffc90008f77198 R11: ffffffff992a8918 R12: 1ffff920011eee14
[  467.216968][T18086] R13: 00000000000005dc R14: ffffc90008f77198 R15: ffff888013bf2f08
[  467.217867][T18086] FS:  00007f6bf9814800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  467.218888][T18086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  467.219650][T18086] CR2: 00000000004a1738 CR3: 0000000013e82003 CR4: 0000000000772ef0
[  467.220499][T18086] PKRU: 55555554
[  467.220938][T18086] Call Trace:
[  467.221386][T18086]  <TASK>
[467.221708][T18086] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[467.222305][T18086] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[467.222909][T18086] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[467.223662][T18086] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[467.224260][T18086] netif_set_mtu (net/core/dev.c:9652) 
[467.224872][T18086] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[467.225495][T18086] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[467.226322][T18086] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[467.226793][T18086] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[467.227562][T18086] br_add_if (net/bridge/br_if.c:697) bridge 
[467.228217][T18086] do_set_master (net/core/rtnetlink.c:2948) 
[467.228809][T18086] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[467.229366][T18086] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[467.229982][T18086] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[467.230581][T18086] ? __dev_get_by_name (net/core/dev.c:865) 
[467.231173][T18086] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.231772][T18086] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.232346][T18086] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[467.232905][T18086] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.233487][T18086] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[467.234102][T18086] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[467.234726][T18086] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.235343][T18086] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[467.235955][T18086] ? __lock_release (kernel/locking/lockdep.c:5539) 
[467.236564][T18086] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.237142][T18086] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[467.237718][T18086] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.238298][T18086] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.238904][T18086] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[467.239528][T18086] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.240144][T18086] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[467.240758][T18086] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[467.241079][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) 
[467.241447][T18086] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[467.241773][T18086] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[467.242093][T18086] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.242449][T18086] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[467.242797][T18086] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[467.243164][T18086] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[467.243519][T18086] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[467.243846][T18086] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[467.244165][T18086] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[467.244589][T18086] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[467.244952][T18086] ___sys_sendmsg (net/socket.c:2670) 
[467.245404][T18086] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[467.245917][T18086] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[467.246298][T18086] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.246674][T18086] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[467.247018][T18086] ? __handle_mm_fault (mm/memory.c:6212) 
[467.247453][T18086] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[467.247789][T18086] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[467.248145][T18086] __sys_sendmsg (net/socket.c:2700) 
[467.248508][T18086] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[467.248843][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) 
[467.249186][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) 
[467.249794][T18086] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[467.250377][T18086] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[467.251091][T18086] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  467.251629][T18086] RIP: 0033:0x7f6bf99e11e7
[ 467.251993][T18086] Code: Unable to access opcode bytes at 0x7f6bf99e11bd.

Code starting with the faulting instruction
===========================================
[  467.252509][T18086] RSP: 002b:00007ffc34bcd3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.253004][T18086] RAX: ffffffffffffffda RBX: 00007ffc34bcdad0 RCX: 00007f6bf99e11e7
[  467.253577][T18086] RDX: 0000000000000000 RSI: 00007ffc34bcd410 RDI: 0000000000000005
[  467.254084][T18086] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  467.254880][T18086] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc34bcdb08
[  467.255749][T18086] R13: 00000000686e35b9 R14: 0000000000499600 R15: 0000000000000000
| [  467.465598][T18088] ------------[ cut here ]------------
| [467.465943][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) 
| [  467.466591][T18088] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  467.467778][T18088] Tainted: [W]=WARN
[  467.468078][T18088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[467.468563][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) 
[ 467.468915][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
[  467.470257][T18088] RSP: 0000:ffffc90008707080 EFLAGS: 00010246
[  467.470773][T18088] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  467.471417][T18088] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  467.471994][T18088] RBP: ffffc90008707168 R08: 0000000000000000 R09: 0000000000000000
[  467.472531][T18088] R10: ffffc90008707198 R11: ffffffff992a8918 R12: 1ffff920010e0e14
[  467.473112][T18088] R13: 00000000000005dc R14: ffffc90008707198 R15: ffff888013bf2f08
[  467.473626][T18088] FS:  00007f448827d800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  467.474379][T18088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  467.474820][T18088] CR2: 00007fa523843e40 CR3: 00000000098d7004 CR4: 0000000000772ef0
[  467.475495][T18088] PKRU: 55555554
[  467.475763][T18088] Call Trace:
[  467.476037][T18088]  <TASK>
[467.476276][T18088] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[467.476643][T18088] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[467.476993][T18088] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[467.477559][T18088] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[467.477927][T18088] netif_set_mtu (net/core/dev.c:9652) 
[467.478340][T18088] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[467.478708][T18088] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[467.479277][T18088] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[467.479625][T18088] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[467.480096][T18088] br_add_if (net/bridge/br_if.c:697) bridge 
[467.480579][T18088] do_set_master (net/core/rtnetlink.c:2948) 
[467.480935][T18088] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[467.481273][T18088] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[467.481631][T18088] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[467.482167][T18088] ? __dev_get_by_name (net/core/dev.c:865) 
[467.482520][T18088] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.482904][T18088] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.483271][T18088] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[467.483597][T18088] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.484030][T18088] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[467.484429][T18088] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[467.484877][T18088] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.485310][T18088] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[467.485672][T18088] ? __lock_release (kernel/locking/lockdep.c:5539) 
[467.486127][T18088] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.486491][T18088] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[467.486823][T18088] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.487231][T18088] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.487571][T18088] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[467.487982][T18088] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.488343][T18088] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[467.488700][T18088] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[467.489021][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) 
[467.489341][T18088] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[467.489681][T18088] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[467.489998][T18088] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.490371][T18088] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[467.490917][T18088] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[467.491484][T18088] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[467.492042][T18088] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[467.492633][T18088] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[467.493196][T18088] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[467.493982][T18088] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[467.494543][T18088] ___sys_sendmsg (net/socket.c:2670) 
[467.495104][T18088] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[467.495667][T18088] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[467.496247][T18088] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.496853][T18088] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[467.497435][T18088] ? __handle_mm_fault (mm/memory.c:6212) 
[467.498028][T18088] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[467.498622][T18088] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[467.499245][T18088] __sys_sendmsg (net/socket.c:2700) 
[467.499845][T18088] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[467.500441][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) 
[467.501037][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) 
[467.501660][T18088] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[467.502189][T18088] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[467.502799][T18088] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  467.503478][T18088] RIP: 0033:0x7f448844a1e7
[ 467.503841][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)
[  467.505066][T18088] RSP: 002b:00007ffccb8970b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.505713][T18088] RAX: ffffffffffffffda RBX: 00007ffccb8977e0 RCX: 00007f448844a1e7
[  467.506227][T18088] RDX: 0000000000000000 RSI: 00007ffccb897120 RDI: 0000000000000005
[  467.506738][T18088] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  467.507272][T18088] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffccb897818
[  467.507793][T18088] R13: 00000000686e35ba R14: 0000000000499600 R15: 0000000000000000
| [  467.754697][T18090] ------------[ cut here ]------------
| [467.755052][T18090] WARNING: CPU: 0 PID: 18090 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  467.755878][T18090] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  467.757158][T18090] Tainted: [W]=WARN
[  467.757431][T18090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[467.757853][T18090] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 467.758198][T18090] 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
[  467.759424][T18090] RSP: 0018:ffffc90008707080 EFLAGS: 00010246
[  467.759854][T18090] RAX: 0000000000000000 RBX: ffff888013bf2000 RCX: 0000000000000001
[  467.760365][T18090] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  467.760889][T18090] RBP: ffffc90008707168 R08: 0000000000000000 R09: 0000000000000000
[  467.761428][T18090] R10: ffffc90008707198 R11: ffffffff992a8918 R12: 1ffff920010e0e14
[  467.761944][T18090] R13: 00000000000005dc R14: ffffc90008707198 R15: ffff888013bf2f08
[  467.762464][T18090] FS:  00007fc73d471800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  467.763059][T18090] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  467.763502][T18090] CR2: 000055e194f44810 CR3: 000000001490c003 CR4: 0000000000772ef0
[  467.764013][T18090] PKRU: 55555554
[  467.764277][T18090] Call Trace:
[  467.764551][T18090]  <TASK>
[467.764730][T18090] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[467.765070][T18090] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[467.765525][T18090] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[467.766084][T18090] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[467.766512][T18090] netif_set_mtu (net/core/dev.c:9652) 
[467.766975][T18090] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[467.767339][T18090] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[467.767868][T18090] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[467.768270][T18090] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[467.768809][T18090] br_add_if (net/bridge/br_if.c:697) bridge 
[467.769201][T18090] do_set_master (net/core/rtnetlink.c:2948) 
[467.769566][T18090] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[467.769912][T18090] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[467.770268][T18090] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[467.770623][T18090] ? __dev_get_by_name (net/core/dev.c:865) 
[467.770960][T18090] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.771303][T18090] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[467.771780][T18090] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[467.772139][T18090] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.772508][T18090] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[467.772861][T18090] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[467.773219][T18090] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.773592][T18090] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[467.773936][T18090] ? __lock_release (kernel/locking/lockdep.c:5539) 
[467.774288][T18090] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[467.774658][T18090] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[467.775020][T18090] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.775378][T18090] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.775735][T18090] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[467.776094][T18090] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[467.776464][T18090] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[467.776817][T18090] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[467.777149][T18090] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[467.777509][T18090] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[467.777874][T18090] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[467.778233][T18090] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[467.778619][T18090] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[467.778971][T18090] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[467.779342][T18090] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[467.779717][T18090] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[467.780064][T18090] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[467.780440][T18090] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[467.780875][T18090] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[467.781232][T18090] ___sys_sendmsg (net/socket.c:2670) 
[467.781595][T18090] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[467.781952][T18090] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[467.782312][T18090] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[467.782665][T18090] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[467.783027][T18090] ? __handle_mm_fault (mm/memory.c:6212) 
[467.783404][T18090] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[467.783764][T18090] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[467.784133][T18090] __sys_sendmsg (net/socket.c:2700) 
[467.784500][T18090] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[467.784853][T18090] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[467.785218][T18090] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[467.785593][T18090] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[467.785962][T18090] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[467.786332][T18090] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  467.786793][T18090] RIP: 0033:0x7fc73d63e1e7
[ 467.787167][T18090] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  467.788451][T18090] RSP: 002b:00007ffe623839d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.788972][T18090] RAX: ffffffffffffffda RBX: 00007ffe62384100 RCX: 00007fc73d63e1e7
[  467.789512][T18090] RDX: 0000000000000000 RSI: 00007ffe62383a40 RDI: 0000000000000005
[  467.790060][T18090] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  467.790606][T18090] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe62384138
[  467.791149][T18090] R13: 00000000686e35ba R14: 0000000000499600 R15: 0000000000000000
| [  468.214130][T18096] ------------[ cut here ]------------
| [468.214682][T18096] WARNING: CPU: 0 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) 
| [  468.215315][T18096] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  468.216488][T18096] Tainted: [W]=WARN
[  468.216750][T18096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[468.217166][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) 
[ 468.217518][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
[  468.218744][T18096] RSP: 0018:ffffc90008f87080 EFLAGS: 00010246
[  468.219166][T18096] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  468.219691][T18096] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  468.220193][T18096] RBP: ffffc90008f87168 R08: 0000000000000000 R09: 0000000000000000
[  468.220701][T18096] R10: ffffc90008f87198 R11: ffffffff992a8918 R12: 1ffff920011f0e14
[  468.221205][T18096] R13: 00000000000005dc R14: ffffc90008f87198 R15: ffff88801002af08
[  468.221728][T18096] FS:  00007f85a838a800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  468.222332][T18096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  468.222792][T18096] CR2: 00007fa52394c938 CR3: 0000000016099003 CR4: 0000000000772ef0
[  468.223300][T18096] PKRU: 55555554
[  468.223561][T18096] Call Trace:
[  468.223810][T18096]  <TASK>
[468.224001][T18096] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[468.224349][T18096] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[468.224704][T18096] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[468.225120][T18096] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[468.225486][T18096] netif_set_mtu (net/core/dev.c:9652) 
[468.225826][T18096] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[468.226171][T18096] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[468.226654][T18096] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[468.226907][T18096] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[468.227354][T18096] br_add_if (net/bridge/br_if.c:697) bridge 
[468.227731][T18096] do_set_master (net/core/rtnetlink.c:2948) 
[468.228065][T18096] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[468.228404][T18096] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[468.228760][T18096] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[468.229100][T18096] ? __dev_get_by_name (net/core/dev.c:865) 
[468.229435][T18096] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.229751][T18096] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.230077][T18096] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[468.230429][T18096] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.230793][T18096] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[468.231124][T18096] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[468.231485][T18096] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.231821][T18096] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[468.232157][T18096] ? __lock_release (kernel/locking/lockdep.c:5539) 
[468.232513][T18096] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.232857][T18096] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[468.233193][T18096] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.233545][T18096] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.233885][T18096] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[468.234220][T18096] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.234562][T18096] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[468.234908][T18096] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[468.235238][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) 
[468.235589][T18096] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[468.235932][T18096] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[468.236293][T18096] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.236645][T18096] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[468.237004][T18096] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[468.237361][T18096] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[468.237730][T18096] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[468.238090][T18096] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[468.238466][T18096] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[468.238912][T18096] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[468.239276][T18096] ___sys_sendmsg (net/socket.c:2670) 
[468.239645][T18096] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[468.240019][T18096] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[468.240339][T18096] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.240707][T18096] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[468.241053][T18096] ? __handle_mm_fault (mm/memory.c:6212) 
[468.241427][T18096] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[468.241746][T18096] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[468.242111][T18096] __sys_sendmsg (net/socket.c:2700) 
[468.242459][T18096] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[468.242795][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) 
[468.243139][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) 
[468.243488][T18096] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[468.243836][T18096] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[468.244174][T18096] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.244583][T18096] RIP: 0033:0x7f85a85571e7
[ 468.244933][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)
[  468.246109][T18096] RSP: 002b:00007ffe00414898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.246625][T18096] RAX: ffffffffffffffda RBX: 00007ffe00414fc0 RCX: 00007f85a85571e7
[  468.247132][T18096] RDX: 0000000000000000 RSI: 00007ffe00414900 RDI: 0000000000000005
[  468.247618][T18096] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  468.248092][T18096] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe00414ff8
[  468.248593][T18096] R13: 00000000686e35ba R14: 0000000000499600 R15: 0000000000000000
| [  468.423885][T18097] ------------[ cut here ]------------
| [468.424558][T18097] WARNING: CPU: 2 PID: 18097 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  468.425750][T18097] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  468.427945][T18097] Tainted: [W]=WARN
[  468.428436][T18097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[468.429184][T18097] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 468.429848][T18097] 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
[  468.431954][T18097] RSP: 0018:ffffc90008f87080 EFLAGS: 00010246
[  468.432744][T18097] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  468.433666][T18097] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  468.434592][T18097] RBP: ffffc90008f87168 R08: 0000000000000000 R09: 0000000000000000
[  468.435512][T18097] R10: ffffc90008f87198 R11: ffffffff992a8918 R12: 1ffff920011f0e14
[  468.436420][T18097] R13: 00000000000005dc R14: ffffc90008f87198 R15: ffff88801002af08
[  468.437314][T18097] FS:  00007fc437eef800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  468.438375][T18097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  468.439177][T18097] CR2: 00000000004a1738 CR3: 0000000008dda005 CR4: 0000000000772ef0
[  468.440069][T18097] PKRU: 55555554
[  468.440536][T18097] Call Trace:
[  468.440988][T18097]  <TASK>
[468.441351][T18097] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[468.442026][T18097] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[468.442658][T18097] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[468.443358][T18097] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[468.443991][T18097] netif_set_mtu (net/core/dev.c:9652) 
[468.444623][T18097] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[468.445242][T18097] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[468.446113][T18097] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[468.446619][T18097] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[468.447458][T18097] br_add_if (net/bridge/br_if.c:697) bridge 
[468.448169][T18097] do_set_master (net/core/rtnetlink.c:2948) 
[468.448807][T18097] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[468.449450][T18097] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[468.450080][T18097] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[468.450707][T18097] ? __dev_get_by_name (net/core/dev.c:865) 
[468.451351][T18097] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.451979][T18097] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.452635][T18097] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[468.453238][T18097] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.453891][T18097] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[468.454545][T18097] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[468.455168][T18097] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.455846][T18097] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[468.456494][T18097] ? __lock_release (kernel/locking/lockdep.c:5539) 
[468.457129][T18097] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.457768][T18097] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[468.458381][T18097] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.459030][T18097] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.459667][T18097] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[468.460096][T18097] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.460445][T18097] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[468.460816][T18097] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[468.461145][T18097] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[468.461511][T18097] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[468.461877][T18097] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[468.462208][T18097] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.462557][T18097] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[468.463083][T18097] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[468.463690][T18097] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[468.464251][T18097] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[468.464606][T18097] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[468.464974][T18097] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[468.465409][T18097] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[468.465781][T18097] ___sys_sendmsg (net/socket.c:2670) 
[468.466121][T18097] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[468.466479][T18097] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[468.466842][T18097] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.467209][T18097] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[468.467573][T18097] ? __handle_mm_fault (mm/memory.c:6212) 
[468.467925][T18097] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[468.468290][T18097] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[468.468669][T18097] __sys_sendmsg (net/socket.c:2700) 
[468.469045][T18097] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[468.469405][T18097] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[468.469856][T18097] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[468.470502][T18097] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[468.471130][T18097] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[468.471516][T18097] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.471985][T18097] RIP: 0033:0x7fc4380bc1e7
[ 468.472343][T18097] Code: Unable to access opcode bytes at 0x7fc4380bc1bd.

Code starting with the faulting instruction
===========================================
[  468.472825][T18097] RSP: 002b:00007ffc6f5cdd78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.473348][T18097] RAX: ffffffffffffffda RBX: 00007ffc6f5ce4a0 RCX: 00007fc4380bc1e7
[  468.473894][T18097] RDX: 0000000000000000 RSI: 00007ffc6f5cdde0 RDI: 0000000000000005
[  468.474428][T18097] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  468.475164][T18097] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6f5ce4d8
[  468.475871][T18097] R13: 00000000686e35bb R14: 0000000000499600 R15: 0000000000000000
| [  468.642429][T18099] ------------[ cut here ]------------
| [468.642844][T18099] WARNING: CPU: 2 PID: 18099 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  468.643752][T18099] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  468.645237][T18099] Tainted: [W]=WARN
[  468.645554][T18099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[468.646222][T18099] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 468.646699][T18099] 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
[  468.647951][T18099] RSP: 0018:ffffc90008707080 EFLAGS: 00010246
[  468.648416][T18099] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  468.648904][T18099] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  468.649398][T18099] RBP: ffffc90008707168 R08: 0000000000000000 R09: 0000000000000000
[  468.649886][T18099] R10: ffffc90008707198 R11: ffffffff992a8918 R12: 1ffff920010e0e14
[  468.650449][T18099] R13: 00000000000005dc R14: ffffc90008707198 R15: ffff88801002af08
[  468.651144][T18099] FS:  00007f2a66d32800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  468.651888][T18099] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  468.652464][T18099] CR2: 00000000004a1738 CR3: 000000000c22d001 CR4: 0000000000772ef0
[  468.653009][T18099] PKRU: 55555554
[  468.653279][T18099] Call Trace:
[  468.653553][T18099]  <TASK>
[468.653736][T18099] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[468.654082][T18099] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[468.654482][T18099] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[468.655108][T18099] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[468.655486][T18099] netif_set_mtu (net/core/dev.c:9652) 
[468.655857][T18099] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[468.656212][T18099] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[468.656746][T18099] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[468.657019][T18099] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[468.657523][T18099] br_add_if (net/bridge/br_if.c:697) bridge 
[468.657962][T18099] do_set_master (net/core/rtnetlink.c:2948) 
[468.658404][T18099] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[468.658901][T18099] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[468.659378][T18099] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[468.659815][T18099] ? __dev_get_by_name (net/core/dev.c:865) 
[468.660216][T18099] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.660644][T18099] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.661034][T18099] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[468.661458][T18099] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.661849][T18099] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[468.662253][T18099] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[468.662658][T18099] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.663078][T18099] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[468.663494][T18099] ? __lock_release (kernel/locking/lockdep.c:5539) 
[468.663937][T18099] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.664323][T18099] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[468.664705][T18099] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.665068][T18099] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.665427][T18099] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[468.665788][T18099] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.666131][T18099] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[468.666511][T18099] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[468.666895][T18099] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[468.667240][T18099] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[468.667600][T18099] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[468.668090][T18099] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.668468][T18099] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[468.668851][T18099] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[468.669199][T18099] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[468.669627][T18099] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[468.669998][T18099] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[468.670408][T18099] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[468.670918][T18099] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[468.671262][T18099] ___sys_sendmsg (net/socket.c:2670) 
[468.671716][T18099] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[468.672182][T18099] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[468.672568][T18099] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.672997][T18099] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[468.673486][T18099] ? __handle_mm_fault (mm/memory.c:6212) 
[468.673898][T18099] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[468.674338][T18099] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[468.674755][T18099] __sys_sendmsg (net/socket.c:2700) 
[468.675204][T18099] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[468.675576][T18099] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[468.675978][T18099] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[468.676345][T18099] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[468.676741][T18099] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[468.677103][T18099] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.677561][T18099] RIP: 0033:0x7f2a66eff1e7
[ 468.677940][T18099] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  468.679159][T18099] RSP: 002b:00007ffc7ed73bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.679712][T18099] RAX: ffffffffffffffda RBX: 00007ffc7ed74320 RCX: 00007f2a66eff1e7
[  468.680363][T18099] RDX: 0000000000000000 RSI: 00007ffc7ed73c60 RDI: 0000000000000005
[  468.680945][T18099] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  468.681589][T18099] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc7ed74358
[  468.682238][T18099] R13: 00000000686e35bb R14: 0000000000499600 R15: 0000000000000000
| [  468.922555][T18101] ------------[ cut here ]------------
| [468.923192][T18101] WARNING: CPU: 3 PID: 18101 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  468.924359][T18101] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  468.926536][T18101] Tainted: [W]=WARN
[  468.926994][T18101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[468.927742][T18101] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 468.928357][T18101] 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
[  468.930527][T18101] RSP: 0018:ffffc90008f87080 EFLAGS: 00010246
[  468.931014][T18101] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  468.931568][T18101] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  468.932051][T18101] RBP: ffffc90008f87168 R08: 0000000000000000 R09: 0000000000000000
[  468.932596][T18101] R10: ffffc90008f87198 R11: ffffffff992a8918 R12: 1ffff920011f0e14
[  468.933502][T18101] R13: 00000000000005dc R14: ffffc90008f87198 R15: ffff88801002af08
[  468.934387][T18101] FS:  00007fca8cc87800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  468.935446][T18101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  468.936189][T18101] CR2: 00000000004a1738 CR3: 0000000005603002 CR4: 0000000000772ef0
[  468.937079][T18101] PKRU: 55555554
[  468.937552][T18101] Call Trace:
[  468.937975][T18101]  <TASK>
[468.938271][T18101] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[468.938892][T18101] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[468.939499][T18101] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[468.940257][T18101] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[468.940856][T18101] netif_set_mtu (net/core/dev.c:9652) 
[468.941473][T18101] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[468.942079][T18101] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[468.942885][T18101] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[468.943333][T18101] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[468.944162][T18101] br_add_if (net/bridge/br_if.c:697) bridge 
[468.944911][T18101] do_set_master (net/core/rtnetlink.c:2948) 
[468.945508][T18101] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[468.946100][T18101] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[468.946733][T18101] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[468.947320][T18101] ? __dev_get_by_name (net/core/dev.c:865) 
[468.947930][T18101] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.948531][T18101] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[468.949141][T18101] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[468.949727][T18101] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.950340][T18101] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[468.950969][T18101] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[468.951630][T18101] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.952246][T18101] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[468.952836][T18101] ? __lock_release (kernel/locking/lockdep.c:5539) 
[468.953446][T18101] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[468.954046][T18101] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[468.954664][T18101] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.955274][T18101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.955871][T18101] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[468.956493][T18101] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[468.957074][T18101] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[468.957697][T18101] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[468.958316][T18101] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[468.958943][T18101] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[468.959555][T18101] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[468.960134][T18101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[468.960747][T18101] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[468.961375][T18101] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[468.961981][T18101] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[468.962612][T18101] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[468.963205][T18101] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[468.963793][T18101] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[468.964540][T18101] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[468.965150][T18101] ___sys_sendmsg (net/socket.c:2670) 
[468.965751][T18101] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[468.966364][T18101] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[468.966979][T18101] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[468.967654][T18101] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[468.968243][T18101] ? __handle_mm_fault (mm/memory.c:6212) 
[468.968848][T18101] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[468.969470][T18101] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[468.970111][T18101] __sys_sendmsg (net/socket.c:2700) 
[468.970746][T18101] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[468.971336][T18101] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[468.971953][T18101] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[468.972565][T18101] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[468.973156][T18101] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[468.973760][T18101] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.974511][T18101] RIP: 0033:0x7fca8ce541e7
[ 468.975139][T18101] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  468.977254][T18101] RSP: 002b:00007ffd12dc1d38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.978132][T18101] RAX: ffffffffffffffda RBX: 00007ffd12dc2460 RCX: 00007fca8ce541e7
[  468.979034][T18101] RDX: 0000000000000000 RSI: 00007ffd12dc1da0 RDI: 0000000000000005
[  468.980332][T18101] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  468.981212][T18101] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd12dc2498
[  468.982141][T18101] R13: 00000000686e35bb R14: 0000000000499600 R15: 0000000000000000
| [  469.274370][T18104] ------------[ cut here ]------------
| [469.274784][T18104] WARNING: CPU: 3 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) 
| [  469.275525][T18104] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  469.276825][T18104] Tainted: [W]=WARN
[  469.277094][T18104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[469.277552][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) 
[ 469.277929][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
[  469.279216][T18104] RSP: 0000:ffffc90008f87080 EFLAGS: 00010246
[  469.279702][T18104] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  469.280234][T18104] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  469.280783][T18104] RBP: ffffc90008f87168 R08: 0000000000000000 R09: 0000000000000000
[  469.281308][T18104] R10: ffffc90008f87198 R11: ffffffff992a8918 R12: 1ffff920011f0e14
[  469.281915][T18104] R13: 00000000000005dc R14: ffffc90008f87198 R15: ffff88801002af08
[  469.282428][T18104] FS:  00007f14f6d05800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  469.283009][T18104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  469.283492][T18104] CR2: 00007fa52350cba0 CR3: 0000000012a16003 CR4: 0000000000772ef0
[  469.284026][T18104] PKRU: 55555554
[  469.284289][T18104] Call Trace:
[  469.284566][T18104]  <TASK>
[469.284744][T18104] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[469.285089][T18104] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[469.285443][T18104] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[469.285867][T18104] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[469.286208][T18104] netif_set_mtu (net/core/dev.c:9652) 
[469.286564][T18104] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[469.286944][T18104] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[469.287423][T18104] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[469.287704][T18104] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[469.288171][T18104] br_add_if (net/bridge/br_if.c:697) bridge 
[469.288578][T18104] do_set_master (net/core/rtnetlink.c:2948) 
[469.288923][T18104] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[469.289287][T18104] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[469.289761][T18104] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[469.290350][T18104] ? __dev_get_by_name (net/core/dev.c:865) 
[469.290955][T18104] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.291581][T18104] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.292139][T18104] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[469.292538][T18104] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[469.292901][T18104] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[469.293272][T18104] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[469.293618][T18104] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.293990][T18104] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[469.294310][T18104] ? __lock_release (kernel/locking/lockdep.c:5539) 
[469.294646][T18104] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.294977][T18104] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[469.295308][T18104] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.295674][T18104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.296032][T18104] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[469.296363][T18104] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.296714][T18104] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[469.297061][T18104] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[469.297430][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) 
[469.297753][T18104] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[469.298083][T18104] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[469.298421][T18104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.298763][T18104] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[469.299111][T18104] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[469.299484][T18104] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[469.299838][T18104] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[469.300168][T18104] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[469.300519][T18104] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[469.300933][T18104] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[469.301264][T18104] ___sys_sendmsg (net/socket.c:2670) 
[469.301612][T18104] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[469.301946][T18104] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[469.302273][T18104] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[469.302603][T18104] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[469.302942][T18104] ? __handle_mm_fault (mm/memory.c:6212) 
[469.303267][T18104] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[469.303615][T18104] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[469.303975][T18104] __sys_sendmsg (net/socket.c:2700) 
[469.304329][T18104] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[469.304665][T18104] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[469.305008][T18104] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[469.305345][T18104] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[469.305688][T18104] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[469.306015][T18104] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  469.306457][T18104] RIP: 0033:0x7f14f6ed21e7
[ 469.306825][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)
[  469.307997][T18104] RSP: 002b:00007fff6af2a778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  469.308517][T18104] RAX: ffffffffffffffda RBX: 00007fff6af2aea0 RCX: 00007f14f6ed21e7
[  469.309036][T18104] RDX: 0000000000000000 RSI: 00007fff6af2a7e0 RDI: 0000000000000005
[  469.309523][T18104] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  469.310007][T18104] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff6af2aed8
[  469.310497][T18104] R13: 00000000686e35bb R14: 0000000000499600 R15: 0000000000000000
| [  469.500651][T18105] ------------[ cut here ]------------
| [469.501253][T18105] WARNING: CPU: 2 PID: 18105 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  469.502480][T18105] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  469.504680][T18105] Tainted: [W]=WARN
[  469.505165][T18105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[469.505972][T18105] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 469.506598][T18105] 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
[  469.508673][T18105] RSP: 0018:ffffc900086e7080 EFLAGS: 00010246
[  469.509473][T18105] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  469.510349][T18105] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  469.511287][T18105] RBP: ffffc900086e7168 R08: 0000000000000000 R09: 0000000000000000
[  469.512173][T18105] R10: ffffc900086e7198 R11: ffffffff992a8918 R12: 1ffff920010dce14
[  469.513091][T18105] R13: 00000000000005dc R14: ffffc900086e7198 R15: ffff88801002af08
[  469.514014][T18105] FS:  00007f9f696eb800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  469.515047][T18105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  469.515812][T18105] CR2: 00007f9f698ff5c0 CR3: 000000000913a003 CR4: 0000000000772ef0
[  469.516716][T18105] PKRU: 55555554
[  469.517176][T18105] Call Trace:
[  469.517640][T18105]  <TASK>
[469.517965][T18105] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[469.518586][T18105] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[469.519171][T18105] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[469.519909][T18105] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[469.520536][T18105] netif_set_mtu (net/core/dev.c:9652) 
[469.521117][T18105] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[469.521760][T18105] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[469.522601][T18105] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[469.523079][T18105] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[469.523927][T18105] br_add_if (net/bridge/br_if.c:697) bridge 
[469.524642][T18105] do_set_master (net/core/rtnetlink.c:2948) 
[469.525248][T18105] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[469.525921][T18105] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[469.526555][T18105] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[469.527160][T18105] ? __dev_get_by_name (net/core/dev.c:865) 
[469.527785][T18105] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.528390][T18105] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.529033][T18105] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[469.529638][T18105] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[469.530250][T18105] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[469.530898][T18105] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[469.531545][T18105] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.532204][T18105] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[469.532851][T18105] ? __lock_release (kernel/locking/lockdep.c:5539) 
[469.533496][T18105] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.534105][T18105] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[469.534738][T18105] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.535363][T18105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.535983][T18105] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[469.536619][T18105] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.537206][T18105] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[469.537853][T18105] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[469.538493][T18105] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[469.539098][T18105] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[469.539727][T18105] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[469.540069][T18105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.540489][T18105] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[469.540837][T18105] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[469.541201][T18105] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[469.541624][T18105] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[469.541985][T18105] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[469.542336][T18105] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[469.542775][T18105] ___sys_sendmsg (net/socket.c:2670) 
[469.543108][T18105] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[469.543480][T18105] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[469.543855][T18105] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[469.544199][T18105] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[469.544827][T18105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.545485][T18105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[469.546150][T18105] __sys_sendmsg (net/socket.c:2700) 
[469.546790][T18105] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[469.547476][T18105] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[469.548092][T18105] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[469.548652][T18105] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  469.549091][T18105] RIP: 0033:0x7f9f698b81e7
[ 469.549463][T18105] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  469.550714][T18105] RSP: 002b:00007fff217f67f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  469.551227][T18105] RAX: ffffffffffffffda RBX: 00007fff217f6f20 RCX: 00007f9f698b81e7
[  469.551775][T18105] RDX: 0000000000000000 RSI: 00007fff217f6860 RDI: 0000000000000005
[  469.552602][T18105] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  469.553485][T18105] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff217f6f58
[  469.554220][T18105] R13: 00000000686e35bc R14: 0000000000499600 R15: 0000000000000000
| [  469.749063][T18107] ------------[ cut here ]------------
| [469.749469][T18107] WARNING: CPU: 2 PID: 18107 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  469.750123][T18107] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  469.751383][T18107] Tainted: [W]=WARN
[  469.751671][T18107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[469.752109][T18107] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 469.752509][T18107] 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
[  469.753912][T18107] RSP: 0018:ffffc90008f87080 EFLAGS: 00010246
[  469.754363][T18107] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  469.754892][T18107] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  469.755435][T18107] RBP: ffffc90008f87168 R08: 0000000000000000 R09: 0000000000000000
[  469.755944][T18107] R10: ffffc90008f87198 R11: ffffffff992a8918 R12: 1ffff920011f0e14
[  469.756454][T18107] R13: 00000000000005dc R14: ffffc90008f87198 R15: ffff88801002af08
[  469.756984][T18107] FS:  00007f9f32c72800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  469.757584][T18107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  469.758023][T18107] CR2: 00000000004a1738 CR3: 000000000f305005 CR4: 0000000000772ef0
[  469.758551][T18107] PKRU: 55555554
[  469.758815][T18107] Call Trace:
[  469.759081][T18107]  <TASK>
[469.759268][T18107] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[469.759638][T18107] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[469.759996][T18107] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[469.760581][T18107] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[469.761200][T18107] netif_set_mtu (net/core/dev.c:9652) 
[469.761842][T18107] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[469.762388][T18107] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[469.763150][T18107] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[469.763529][T18107] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[469.764323][T18107] br_add_if (net/bridge/br_if.c:697) bridge 
[469.765034][T18107] do_set_master (net/core/rtnetlink.c:2948) 
[469.765638][T18107] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[469.766243][T18107] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[469.766882][T18107] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[469.767524][T18107] ? __dev_get_by_name (net/core/dev.c:865) 
[469.768125][T18107] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.768759][T18107] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[469.769371][T18107] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[469.769989][T18107] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[469.770615][T18107] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[469.771228][T18107] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[469.771913][T18107] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.772514][T18107] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[469.773045][T18107] ? __lock_release (kernel/locking/lockdep.c:5539) 
[469.773625][T18107] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[469.774164][T18107] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[469.774730][T18107] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.775303][T18107] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.775876][T18107] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[469.776451][T18107] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[469.777005][T18107] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[469.792180][T18107] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[469.792874][T18107] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[469.793496][T18107] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[469.794102][T18107] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[469.794718][T18107] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[469.796202][T18107] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[469.796825][T18107] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[469.797417][T18107] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[469.798880][T18107] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[469.799538][T18107] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[469.800557][T18107] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[469.801269][T18107] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[469.801894][T18107] ___sys_sendmsg (net/socket.c:2670) 
[469.802517][T18107] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[469.803548][T18107] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[469.804108][T18107] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[469.804798][T18107] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[469.805414][T18107] ? __handle_mm_fault (mm/memory.c:6212) 
[469.806453][T18107] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[469.807070][T18107] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[469.807703][T18107] __sys_sendmsg (net/socket.c:2700) 
[469.808325][T18107] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[469.809375][T18107] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[469.810004][T18107] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[469.811085][T18107] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[469.811744][T18107] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[469.812765][T18107] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  469.813517][T18107] RIP: 0033:0x7f9f32e3f1e7
[ 469.814108][T18107] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  469.817113][T18107] RSP: 002b:00007ffe582b8568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  469.818427][T18107] RAX: ffffffffffffffda RBX: 00007ffe582b8c90 RCX: 00007f9f32e3f1e7
[  469.819466][T18107] RDX: 0000000000000000 RSI: 00007ffe582b85d0 RDI: 0000000000000005
[  469.820287][T18107] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  469.822041][T18107] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe582b8cc8
[  469.822924][T18107] R13: 00000000686e35bc R14: 0000000000499600 R15: 0000000000000000
| [  470.091828][T18109] ------------[ cut here ]------------
| [470.092382][T18109] WARNING: CPU: 0 PID: 18109 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  470.093549][T18109] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  470.095377][T18109] Tainted: [W]=WARN
[  470.095848][T18109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[470.096563][T18109] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 470.097158][T18109] 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
[  470.099091][T18109] RSP: 0018:ffffc90008f67080 EFLAGS: 00010246
[  470.099847][T18109] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  470.100710][T18109] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  470.101538][T18109] RBP: ffffc90008f67168 R08: 0000000000000000 R09: 0000000000000000
[  470.102350][T18109] R10: ffffc90008f67198 R11: ffffffff992a8918 R12: 1ffff920011ece14
[  470.103179][T18109] R13: 00000000000005dc R14: ffffc90008f67198 R15: ffff88801002af08
[  470.103982][T18109] FS:  00007fb241b3a800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  470.104909][T18109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  470.105577][T18109] CR2: 00000000004a1738 CR3: 000000000c931005 CR4: 0000000000772ef0
[  470.106379][T18109] PKRU: 55555554
[  470.106804][T18109] Call Trace:
[  470.107207][T18109]  <TASK>
[470.107515][T18109] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[470.108086][T18109] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[470.108659][T18109] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[470.109348][T18109] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[470.109932][T18109] netif_set_mtu (net/core/dev.c:9652) 
[470.110514][T18109] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[470.111119][T18109] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[470.111942][T18109] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[470.112333][T18109] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[470.113101][T18109] br_add_if (net/bridge/br_if.c:697) bridge 
[470.113747][T18109] do_set_master (net/core/rtnetlink.c:2948) 
[470.114305][T18109] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[470.114886][T18109] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[470.115459][T18109] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[470.116017][T18109] ? __dev_get_by_name (net/core/dev.c:865) 
[470.116582][T18109] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.117132][T18109] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.117709][T18109] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[470.118259][T18109] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.118805][T18109] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[470.119368][T18109] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[470.119942][T18109] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.120544][T18109] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[470.121083][T18109] ? __lock_release (kernel/locking/lockdep.c:5539) 
[470.121648][T18109] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.122176][T18109] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[470.122712][T18109] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.123243][T18109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.123788][T18109] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[470.124326][T18109] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.124869][T18109] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[470.125437][T18109] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[470.125952][T18109] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[470.126301][T18109] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[470.126794][T18109] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[470.127325][T18109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.127875][T18109] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[470.128437][T18109] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[470.128980][T18109] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[470.129539][T18109] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[470.130075][T18109] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[470.130604][T18109] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[470.131252][T18109] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[470.131825][T18109] ___sys_sendmsg (net/socket.c:2670) 
[470.132373][T18109] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[470.132838][T18109] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[470.133286][T18109] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.133828][T18109] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[470.134406][T18109] ? __handle_mm_fault (mm/memory.c:6212) 
[470.134962][T18109] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[470.135522][T18109] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[470.136097][T18109] __sys_sendmsg (net/socket.c:2700) 
[470.136670][T18109] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[470.137215][T18109] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[470.137801][T18109] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[470.138366][T18109] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[470.138883][T18109] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[470.139454][T18109] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  470.140130][T18109] RIP: 0033:0x7fb241d071e7
[ 470.140734][T18109] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  470.142690][T18109] RSP: 002b:00007ffde8204148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  470.143485][T18109] RAX: ffffffffffffffda RBX: 00007ffde8204870 RCX: 00007fb241d071e7
[  470.144280][T18109] RDX: 0000000000000000 RSI: 00007ffde82041b0 RDI: 0000000000000005
[  470.145088][T18109] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  470.145887][T18109] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffde82048a8
[  470.146703][T18109] R13: 00000000686e35bc R14: 0000000000499600 R15: 0000000000000000
| [  470.306322][T18111] ------------[ cut here ]------------
| [470.306706][T18111] WARNING: CPU: 3 PID: 18111 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  470.307355][T18111] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  470.308540][T18111] Tainted: [W]=WARN
[  470.308785][T18111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[470.309196][T18111] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 470.309536][T18111] 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
[  470.310717][T18111] RSP: 0018:ffffc90008747080 EFLAGS: 00010246
[  470.311128][T18111] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  470.311629][T18111] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  470.312116][T18111] RBP: ffffc90008747168 R08: 0000000000000000 R09: 0000000000000000
[  470.312609][T18111] R10: ffffc90008747198 R11: ffffffff992a8918 R12: 1ffff920010e8e14
[  470.313094][T18111] R13: 00000000000005dc R14: ffffc90008747198 R15: ffff88801002af08
[  470.313576][T18111] FS:  00007f2b6ddc9800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  470.314143][T18111] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  470.314565][T18111] CR2: 00000000004a1738 CR3: 0000000013283006 CR4: 0000000000772ef0
[  470.315049][T18111] PKRU: 55555554
[  470.315290][T18111] Call Trace:
[  470.315542][T18111]  <TASK>
[470.315717][T18111] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[470.316047][T18111] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[470.316377][T18111] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[470.316798][T18111] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[470.317124][T18111] netif_set_mtu (net/core/dev.c:9652) 
[470.317459][T18111] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[470.317809][T18111] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[470.318261][T18111] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[470.318517][T18111] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[470.318971][T18111] br_add_if (net/bridge/br_if.c:697) bridge 
[470.319339][T18111] do_set_master (net/core/rtnetlink.c:2948) 
[470.319674][T18111] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[470.320015][T18111] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[470.320339][T18111] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[470.320680][T18111] ? __dev_get_by_name (net/core/dev.c:865) 
[470.321003][T18111] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.321334][T18111] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.321678][T18111] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[470.321992][T18111] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.322331][T18111] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[470.322681][T18111] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[470.323002][T18111] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.323328][T18111] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[470.323650][T18111] ? __lock_release (kernel/locking/lockdep.c:5539) 
[470.323968][T18111] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.324282][T18111] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[470.324623][T18111] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.324960][T18111] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.325314][T18111] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[470.325645][T18111] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.325967][T18111] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[470.326307][T18111] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[470.326641][T18111] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[470.326968][T18111] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[470.327297][T18111] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[470.327638][T18111] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.327977][T18111] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[470.328306][T18111] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[470.328638][T18111] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[470.328966][T18111] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[470.329286][T18111] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[470.329629][T18111] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[470.330050][T18111] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[470.330385][T18111] ___sys_sendmsg (net/socket.c:2670) 
[470.330733][T18111] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[470.331054][T18111] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[470.331398][T18111] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.331724][T18111] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[470.332040][T18111] ? __handle_mm_fault (mm/memory.c:6212) 
[470.332365][T18111] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[470.332704][T18111] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[470.333041][T18111] __sys_sendmsg (net/socket.c:2700) 
[470.333354][T18111] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[470.333678][T18111] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[470.334000][T18111] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[470.334318][T18111] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[470.334646][T18111] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[470.334977][T18111] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  470.335384][T18111] RIP: 0033:0x7f2b6df961e7
[ 470.335725][T18111] Code: Unable to access opcode bytes at 0x7f2b6df961bd.

Code starting with the faulting instruction
===========================================
[  470.336143][T18111] RSP: 002b:00007ffe175aa518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  470.336641][T18111] RAX: ffffffffffffffda RBX: 00007ffe175aac40 RCX: 00007f2b6df961e7
[  470.337125][T18111] RDX: 0000000000000000 RSI: 00007ffe175aa580 RDI: 0000000000000005
[  470.337642][T18111] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  470.338122][T18111] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe175aac78
[  470.338604][T18111] R13: 00000000686e35bc R14: 0000000000499600 R15: 0000000000000000
| [  470.509086][T18113] ------------[ cut here ]------------
| [470.509717][T18113] WARNING: CPU: 2 PID: 18113 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  470.510829][T18113] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  470.512751][T18113] Tainted: [W]=WARN
[  470.513010][T18113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[470.513446][T18113] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 470.513795][T18113] 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
[  470.515232][T18113] RSP: 0018:ffffc90008747080 EFLAGS: 00010246
[  470.515800][T18113] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  470.516290][T18113] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  470.516802][T18113] RBP: ffffc90008747168 R08: 0000000000000000 R09: 0000000000000000
[  470.517302][T18113] R10: ffffc90008747198 R11: ffffffff992a8918 R12: 1ffff920010e8e14
[  470.518083][T18113] R13: 00000000000005dc R14: ffffc90008747198 R15: ffff88801002af08
[  470.518960][T18113] FS:  00007f1a88264800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  470.519963][T18113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  470.520691][T18113] CR2: 00007f1a884785c0 CR3: 000000000a163006 CR4: 0000000000772ef0
[  470.521524][T18113] PKRU: 55555554
[  470.521956][T18113] Call Trace:
[  470.522406][T18113]  <TASK>
[470.522712][T18113] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[470.523294][T18113] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[470.523663][T18113] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[470.524075][T18113] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[470.524426][T18113] netif_set_mtu (net/core/dev.c:9652) 
[470.524768][T18113] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[470.525156][T18113] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[470.525685][T18113] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[470.525971][T18113] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[470.526469][T18113] br_add_if (net/bridge/br_if.c:697) bridge 
[470.526869][T18113] do_set_master (net/core/rtnetlink.c:2948) 
[470.527214][T18113] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[470.527595][T18113] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[470.527946][T18113] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[470.528319][T18113] ? __dev_get_by_name (net/core/dev.c:865) 
[470.528709][T18113] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.529051][T18113] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.529438][T18113] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[470.529813][T18113] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.530196][T18113] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[470.530566][T18113] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[470.530930][T18113] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.531303][T18113] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[470.531831][T18113] ? __lock_release (kernel/locking/lockdep.c:5539) 
[470.532436][T18113] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.533028][T18113] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[470.533602][T18113] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.534058][T18113] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.534617][T18113] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[470.535190][T18113] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.535773][T18113] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[470.536370][T18113] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[470.536940][T18113] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[470.537527][T18113] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[470.538145][T18113] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[470.538741][T18113] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.539330][T18113] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[470.539938][T18113] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[470.540536][T18113] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[470.541124][T18113] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[470.541756][T18113] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[470.542347][T18113] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[470.543105][T18113] ___sys_sendmsg (net/socket.c:2670) 
[470.543680][T18113] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[470.544265][T18113] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[470.544859][T18113] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.545321][T18113] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[470.545683][T18113] ? __handle_mm_fault (mm/memory.c:6212) 
[470.546028][T18113] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[470.546381][T18113] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[470.546767][T18113] __sys_sendmsg (net/socket.c:2700) 
[470.547272][T18113] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[470.547774][T18113] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[470.548372][T18113] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[470.554687][T18113] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[470.555287][T18113] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[470.555874][T18113] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  470.556601][T18113] RIP: 0033:0x7f1a884311e7
[ 470.557172][T18113] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  470.558860][T18113] RSP: 002b:00007ffeb917ad58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  470.559419][T18113] RAX: ffffffffffffffda RBX: 00007ffeb917b480 RCX: 00007f1a884311e7
[  470.560436][T18113] RDX: 0000000000000000 RSI: 00007ffeb917adc0 RDI: 0000000000000005
[  470.560952][T18113] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  470.561517][T18113] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeb917b4b8
[  470.562048][T18113] R13: 00000000686e35bd R14: 0000000000499600 R15: 0000000000000000
| [  470.801172][T18116] ------------[ cut here ]------------
| [470.801829][T18116] WARNING: CPU: 0 PID: 18116 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  470.802971][T18116] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  470.804975][T18116] Tainted: [W]=WARN
[  470.805280][T18116] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[470.805808][T18116] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 470.806214][T18116] 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
[  470.808193][T18116] RSP: 0018:ffffc90005db7080 EFLAGS: 00010246
[  470.808895][T18116] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  470.809735][T18116] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  470.810568][T18116] RBP: ffffc90005db7168 R08: 0000000000000000 R09: 0000000000000000
[  470.811167][T18116] R10: ffffc90005db7198 R11: ffffffff992a8918 R12: 1ffff92000bb6e14
[  470.812033][T18116] R13: 00000000000005dc R14: ffffc90005db7198 R15: ffff88801002af08
[  470.812878][T18116] FS:  00007f622b2ab800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  470.813869][T18116] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  470.814578][T18116] CR2: 00000000004a1738 CR3: 000000001445e005 CR4: 0000000000772ef0
[  470.815361][T18116] PKRU: 55555554
[  470.815753][T18116] Call Trace:
[  470.816111][T18116]  <TASK>
[470.816421][T18116] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[470.817017][T18116] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[470.817610][T18116] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[470.818294][T18116] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[470.818866][T18116] netif_set_mtu (net/core/dev.c:9652) 
[470.819435][T18116] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[470.820022][T18116] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[470.820823][T18116] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[470.821255][T18116] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[470.821939][T18116] br_add_if (net/bridge/br_if.c:697) bridge 
[470.822591][T18116] do_set_master (net/core/rtnetlink.c:2948) 
[470.823161][T18116] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[470.823752][T18116] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[470.824330][T18116] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[470.824917][T18116] ? __dev_get_by_name (net/core/dev.c:865) 
[470.825507][T18116] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.826042][T18116] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[470.826629][T18116] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[470.827177][T18116] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.827704][T18116] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[470.828157][T18116] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[470.828760][T18116] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.829316][T18116] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[470.829860][T18116] ? __lock_release (kernel/locking/lockdep.c:5539) 
[470.830426][T18116] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[470.830985][T18116] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[470.831559][T18116] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.832119][T18116] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.832569][T18116] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[470.832985][T18116] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[470.833527][T18116] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[470.834101][T18116] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[470.834649][T18116] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[470.835151][T18116] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[470.835615][T18116] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[470.836170][T18116] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[470.836759][T18116] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[470.837277][T18116] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[470.837832][T18116] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[470.838411][T18116] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[470.838975][T18116] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[470.839525][T18116] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[470.840192][T18116] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[470.840755][T18116] ___sys_sendmsg (net/socket.c:2670) 
[470.841316][T18116] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[470.841896][T18116] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[470.842457][T18116] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[470.842999][T18116] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[470.843577][T18116] ? __handle_mm_fault (mm/memory.c:6212) 
[470.844133][T18116] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[470.844695][T18116] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[470.845297][T18116] __sys_sendmsg (net/socket.c:2700) 
[470.845863][T18116] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[470.846425][T18116] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[470.846994][T18116] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[470.847523][T18116] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[470.848069][T18116] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[470.848675][T18116] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  470.849375][T18116] RIP: 0033:0x7f622b4781e7
[ 470.849943][T18116] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  470.851890][T18116] RSP: 002b:00007ffc75a04718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  470.852756][T18116] RAX: ffffffffffffffda RBX: 00007ffc75a04e40 RCX: 00007f622b4781e7
[  470.853613][T18116] RDX: 0000000000000000 RSI: 00007ffc75a04780 RDI: 0000000000000005
[  470.854440][T18116] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  470.855263][T18116] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc75a04e78
[  470.856105][T18116] R13: 00000000686e35bd R14: 0000000000499600 R15: 0000000000000000
| [  471.117818][T18119] ------------[ cut here ]------------
| [471.118381][T18119] WARNING: CPU: 0 PID: 18119 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  471.119901][T18119] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  471.121929][T18119] Tainted: [W]=WARN
[  471.122356][T18119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[471.123084][T18119] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 471.123669][T18119] 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
[  471.125672][T18119] RSP: 0018:ffffc90005da7080 EFLAGS: 00010246
[  471.126356][T18119] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  471.127183][T18119] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  471.128026][T18119] RBP: ffffc90005da7168 R08: 0000000000000000 R09: 0000000000000000
[  471.128864][T18119] R10: ffffc90005da7198 R11: ffffffff992a8918 R12: 1ffff92000bb4e14
[  471.129636][T18119] R13: 00000000000005dc R14: ffffc90005da7198 R15: ffff88801002af08
[  471.130292][T18119] FS:  00007fa9ee002800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  471.131231][T18119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  471.131900][T18119] CR2: 00000000004a1738 CR3: 000000000c9ee001 CR4: 0000000000772ef0
[  471.132785][T18119] PKRU: 55555554
[  471.133222][T18119] Call Trace:
[  471.133688][T18119]  <TASK>
[471.133980][T18119] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[471.134559][T18119] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[471.135111][T18119] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[471.135814][T18119] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[471.136427][T18119] netif_set_mtu (net/core/dev.c:9652) 
[471.136986][T18119] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[471.137590][T18119] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[471.138365][T18119] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[471.138837][T18119] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[471.139637][T18119] br_add_if (net/bridge/br_if.c:697) bridge 
[471.140292][T18119] do_set_master (net/core/rtnetlink.c:2948) 
[471.140900][T18119] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[471.141508][T18119] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[471.142047][T18119] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[471.142652][T18119] ? __dev_get_by_name (net/core/dev.c:865) 
[471.143106][T18119] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.143549][T18119] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.143963][T18119] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[471.144529][T18119] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.145099][T18119] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[471.145698][T18119] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[471.146277][T18119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.146900][T18119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.147484][T18119] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[471.148061][T18119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.148604][T18119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.149029][T18119] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[471.149589][T18119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.150161][T18119] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[471.150761][T18119] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[471.151338][T18119] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[471.151932][T18119] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[471.152558][T18119] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[471.153049][T18119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.153574][T18119] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[471.154059][T18119] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[471.154512][T18119] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[471.154969][T18119] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[471.155551][T18119] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[471.156101][T18119] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[471.156824][T18119] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[471.157410][T18119] ___sys_sendmsg (net/socket.c:2670) 
[471.158007][T18119] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[471.158588][T18119] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[471.159156][T18119] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.159615][T18119] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[471.160126][T18119] ? __handle_mm_fault (mm/memory.c:6212) 
[471.160702][T18119] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[471.161298][T18119] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[471.161938][T18119] __sys_sendmsg (net/socket.c:2700) 
[471.162527][T18119] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[471.163100][T18119] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[471.163680][T18119] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[471.164189][T18119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[471.164658][T18119] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[471.165227][T18119] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  471.165863][T18119] RIP: 0033:0x7fa9ee1cf1e7
[ 471.166345][T18119] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  471.168768][T18119] RSP: 002b:00007ffd736ca4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  471.169611][T18119] RAX: ffffffffffffffda RBX: 00007ffd736cac20 RCX: 00007fa9ee1cf1e7
[  471.170760][T18119] RDX: 0000000000000000 RSI: 00007ffd736ca560 RDI: 0000000000000005
[  471.171545][T18119] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  471.172829][T18119] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd736cac58
[  471.173695][T18119] R13: 00000000686e35bd R14: 0000000000499600 R15: 0000000000000000
| [  471.414639][T18121] ------------[ cut here ]------------
| [471.415006][T18121] WARNING: CPU: 2 PID: 18121 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  471.415978][T18121] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  471.418028][T18121] Tainted: [W]=WARN
[  471.418523][T18121] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[471.419275][T18121] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 471.419894][T18121] 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
[  471.421991][T18121] RSP: 0018:ffffc90005da7080 EFLAGS: 00010246
[  471.422735][T18121] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  471.423618][T18121] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  471.424490][T18121] RBP: ffffc90005da7168 R08: 0000000000000000 R09: 0000000000000000
[  471.425360][T18121] R10: ffffc90005da7198 R11: ffffffff992a8918 R12: 1ffff92000bb4e14
[  471.426263][T18121] R13: 00000000000005dc R14: ffffc90005da7198 R15: ffff88801002af08
[  471.427209][T18121] FS:  00007fbe7da7f800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  471.428280][T18121] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  471.429057][T18121] CR2: 00000000004a1738 CR3: 00000000143b9005 CR4: 0000000000772ef0
[  471.429970][T18121] PKRU: 55555554
[  471.430436][T18121] Call Trace:
[  471.430926][T18121]  <TASK>
[471.431241][T18121] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[471.431866][T18121] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[471.432449][T18121] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[471.433190][T18121] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[471.433816][T18121] netif_set_mtu (net/core/dev.c:9652) 
[471.434369][T18121] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[471.434878][T18121] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[471.435572][T18121] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[471.435874][T18121] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[471.436363][T18121] br_add_if (net/bridge/br_if.c:697) bridge 
[471.436794][T18121] do_set_master (net/core/rtnetlink.c:2948) 
[471.437147][T18121] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[471.437528][T18121] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[471.437885][T18121] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[471.438239][T18121] ? __dev_get_by_name (net/core/dev.c:865) 
[471.438619][T18121] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.438970][T18121] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.439328][T18121] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[471.439717][T18121] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.440085][T18121] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[471.440475][T18121] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[471.440839][T18121] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.441198][T18121] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[471.441595][T18121] ? __lock_release (kernel/locking/lockdep.c:5539) 
[471.441962][T18121] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.442319][T18121] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[471.442700][T18121] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.443068][T18121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.443470][T18121] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[471.443837][T18121] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.444189][T18121] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[471.444598][T18121] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[471.444953][T18121] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[471.445313][T18121] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[471.445692][T18121] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[471.446065][T18121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.446444][T18121] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[471.446803][T18121] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[471.447155][T18121] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[471.447563][T18121] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[471.447939][T18121] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[471.448291][T18121] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[471.448755][T18121] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[471.449115][T18121] ___sys_sendmsg (net/socket.c:2670) 
[471.449496][T18121] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[471.449854][T18121] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[471.450202][T18121] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.450571][T18121] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[471.450921][T18121] ? __handle_mm_fault (mm/memory.c:6212) 
[471.451271][T18121] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[471.451686][T18121] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[471.452055][T18121] __sys_sendmsg (net/socket.c:2700) 
[471.452429][T18121] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[471.452779][T18121] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[471.453137][T18121] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[471.453509][T18121] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[471.453864][T18121] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[471.454221][T18121] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  471.454710][T18121] RIP: 0033:0x7fbe7dc4c1e7
[ 471.455071][T18121] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  471.456288][T18121] RSP: 002b:00007ffc06f05428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  471.456879][T18121] RAX: ffffffffffffffda RBX: 00007ffc06f05b50 RCX: 00007fbe7dc4c1e7
[  471.457413][T18121] RDX: 0000000000000000 RSI: 00007ffc06f05490 RDI: 0000000000000005
[  471.457929][T18121] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  471.458457][T18121] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc06f05b88
[  471.458992][T18121] R13: 00000000686e35be R14: 0000000000499600 R15: 0000000000000000
| [  471.643116][T18122] ------------[ cut here ]------------
| [471.643512][T18122] WARNING: CPU: 3 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) 
| [  471.644180][T18122] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  471.645479][T18122] Tainted: [W]=WARN
[  471.645735][T18122] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[471.646154][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) 
[ 471.646522][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
[  471.647749][T18122] RSP: 0018:ffffc90008f47080 EFLAGS: 00010246
[  471.648207][T18122] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  471.648800][T18122] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  471.649464][T18122] RBP: ffffc90008f47168 R08: 0000000000000000 R09: 0000000000000000
[  471.649974][T18122] R10: ffffc90008f47198 R11: ffffffff992a8918 R12: 1ffff920011e8e14
[  471.650524][T18122] R13: 00000000000005dc R14: ffffc90008f47198 R15: ffff88801002af08
[  471.651094][T18122] FS:  00007fa577ea9800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  471.651928][T18122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  471.652442][T18122] CR2: 00000000004a1738 CR3: 000000000fd27005 CR4: 0000000000772ef0
[  471.652963][T18122] PKRU: 55555554
[  471.653289][T18122] Call Trace:
[  471.653601][T18122]  <TASK>
[471.653779][T18122] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[471.654157][T18122] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[471.654556][T18122] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[471.654955][T18122] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[471.655287][T18122] netif_set_mtu (net/core/dev.c:9652) 
[471.655617][T18122] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[471.655946][T18122] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[471.656445][T18122] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[471.656708][T18122] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[471.657164][T18122] br_add_if (net/bridge/br_if.c:697) bridge 
[471.657570][T18122] do_set_master (net/core/rtnetlink.c:2948) 
[471.657903][T18122] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[471.658276][T18122] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[471.658611][T18122] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[471.658930][T18122] ? __dev_get_by_name (net/core/dev.c:865) 
[471.659261][T18122] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.659610][T18122] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.659941][T18122] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[471.660277][T18122] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.660631][T18122] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[471.660959][T18122] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[471.661297][T18122] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.661649][T18122] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[471.661983][T18122] ? __lock_release (kernel/locking/lockdep.c:5539) 
[471.662346][T18122] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.662686][T18122] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[471.663009][T18122] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.663422][T18122] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.663763][T18122] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[471.664077][T18122] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.664427][T18122] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[471.664758][T18122] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[471.665083][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) 
[471.665417][T18122] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[471.665751][T18122] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[471.666065][T18122] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.666385][T18122] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[471.666765][T18122] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[471.667104][T18122] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[471.667525][T18122] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[471.667860][T18122] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[471.668198][T18122] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[471.668655][T18122] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[471.668983][T18122] ___sys_sendmsg (net/socket.c:2670) 
[471.669303][T18122] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[471.669644][T18122] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[471.669974][T18122] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.670317][T18122] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[471.670658][T18122] ? __handle_mm_fault (mm/memory.c:6212) 
[471.670987][T18122] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[471.671409][T18122] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[471.671753][T18122] __sys_sendmsg (net/socket.c:2700) 
[471.672087][T18122] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[471.672448][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) 
[471.672789][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) 
[471.673117][T18122] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[471.673447][T18122] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[471.673777][T18122] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  471.674172][T18122] RIP: 0033:0x7fa5780761e7
[ 471.674503][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)
[  471.675711][T18122] RSP: 002b:00007ffe9d3baac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  471.676191][T18122] RAX: ffffffffffffffda RBX: 00007ffe9d3bb1f0 RCX: 00007fa5780761e7
[  471.676685][T18122] RDX: 0000000000000000 RSI: 00007ffe9d3bab30 RDI: 0000000000000005
[  471.677175][T18122] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  471.677662][T18122] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9d3bb228
[  471.678151][T18122] R13: 00000000686e35be R14: 0000000000499600 R15: 0000000000000000
| [  471.824862][T18124] ------------[ cut here ]------------
| [471.825193][T18124] WARNING: CPU: 0 PID: 18124 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  471.825875][T18124] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  471.827054][T18124] Tainted: [W]=WARN
[  471.827310][T18124] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[471.827764][T18124] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 471.828106][T18124] 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
[  471.829236][T18124] RSP: 0000:ffffc90008f47080 EFLAGS: 00010246
[  471.829640][T18124] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  471.830120][T18124] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  471.830603][T18124] RBP: ffffc90008f47168 R08: 0000000000000000 R09: 0000000000000000
[  471.831086][T18124] R10: ffffc90008f47198 R11: ffffffff992a8918 R12: 1ffff920011e8e14
[  471.831596][T18124] R13: 00000000000005dc R14: ffffc90008f47198 R15: ffff88801002af08
[  471.832083][T18124] FS:  00007f157d7ae800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  471.832661][T18124] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  471.833137][T18124] CR2: 00007fa5238c9e80 CR3: 0000000016099003 CR4: 0000000000772ef0
[  471.833659][T18124] PKRU: 55555554
[  471.833897][T18124] Call Trace:
[  471.834136][T18124]  <TASK>
[471.834574][T18124] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[471.834907][T18124] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[471.835245][T18124] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[471.835686][T18124] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[471.836027][T18124] netif_set_mtu (net/core/dev.c:9652) 
[471.836345][T18124] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[471.836843][T18124] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[471.837288][T18124] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[471.837680][T18124] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[471.838113][T18124] br_add_if (net/bridge/br_if.c:697) bridge 
[471.838631][T18124] do_set_master (net/core/rtnetlink.c:2948) 
[471.838949][T18124] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[471.839274][T18124] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[471.839616][T18124] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[471.839928][T18124] ? __dev_get_by_name (net/core/dev.c:865) 
[471.840243][T18124] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.840565][T18124] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[471.840893][T18124] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[471.841206][T18124] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.841556][T18124] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[471.841886][T18124] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[471.842212][T18124] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.842551][T18124] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[471.842891][T18124] ? __lock_release (kernel/locking/lockdep.c:5539) 
[471.843213][T18124] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[471.843534][T18124] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[471.843881][T18124] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.844207][T18124] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.844541][T18124] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[471.844863][T18124] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[471.845212][T18124] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[471.845562][T18124] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[471.845895][T18124] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[471.846213][T18124] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[471.846569][T18124] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[471.846890][T18124] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[471.847210][T18124] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[471.847557][T18124] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[471.847895][T18124] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[471.848221][T18124] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[471.848548][T18124] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[471.848870][T18124] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[471.849280][T18124] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[471.849612][T18124] ___sys_sendmsg (net/socket.c:2670) 
[471.849929][T18124] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[471.850243][T18124] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[471.850579][T18124] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[471.850890][T18124] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[471.851216][T18124] ? __handle_mm_fault (mm/memory.c:6212) 
[471.851582][T18124] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[471.851897][T18124] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[471.852244][T18124] __sys_sendmsg (net/socket.c:2700) 
[471.852571][T18124] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[471.852889][T18124] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[471.853217][T18124] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[471.853543][T18124] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[471.853862][T18124] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[471.854178][T18124] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  471.854572][T18124] RIP: 0033:0x7f157d97b1e7
[ 471.854897][T18124] Code: Unable to access opcode bytes at 0x7f157d97b1bd.

Code starting with the faulting instruction
===========================================
[  471.855323][T18124] RSP: 002b:00007ffd5e1e5be8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  471.855823][T18124] RAX: ffffffffffffffda RBX: 00007ffd5e1e6310 RCX: 00007f157d97b1e7
[  471.856304][T18124] RDX: 0000000000000000 RSI: 00007ffd5e1e5c50 RDI: 0000000000000005
[  471.856785][T18124] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  471.857257][T18124] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd5e1e6348
[  471.857751][T18124] R13: 00000000686e35be R14: 0000000000499600 R15: 0000000000000000
| [  472.066834][T18126] ------------[ cut here ]------------
| [472.067373][T18126] WARNING: CPU: 0 PID: 18126 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  472.068457][T18126] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  472.070421][T18126] Tainted: [W]=WARN
[  472.070856][T18126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[472.071604][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) 
[ 472.072175][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
[  472.074110][T18126] RSP: 0018:ffffc90008f47080 EFLAGS: 00010246
[  472.074840][T18126] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  472.075662][T18126] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  472.076492][T18126] RBP: ffffc90008f47168 R08: 0000000000000000 R09: 0000000000000000
[  472.077305][T18126] R10: ffffc90008f47198 R11: ffffffff992a8918 R12: 1ffff920011e8e14
[  472.078139][T18126] R13: 00000000000005dc R14: ffffc90008f47198 R15: ffff88801002af08
[  472.078978][T18126] FS:  00007facfbca8800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  472.079990][T18126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  472.080701][T18126] CR2: 00000000004a1738 CR3: 00000000142dc004 CR4: 0000000000772ef0
[  472.081571][T18126] PKRU: 55555554
[  472.081990][T18126] Call Trace:
[  472.082382][T18126]  <TASK>
[472.082651][T18126] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[472.083222][T18126] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[472.083784][T18126] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[472.084469][T18126] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[472.085012][T18126] netif_set_mtu (net/core/dev.c:9652) 
[472.085564][T18126] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[472.086127][T18126] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[472.086894][T18126] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[472.087314][T18126] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[472.088091][T18126] br_add_if (net/bridge/br_if.c:697) bridge 
[472.088746][T18126] do_set_master (net/core/rtnetlink.c:2948) 
[472.089302][T18126] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[472.089880][T18126] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[472.090452][T18126] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[472.090996][T18126] ? __dev_get_by_name (net/core/dev.c:865) 
[472.091577][T18126] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.092085][T18126] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.092704][T18126] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[472.093259][T18126] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.093843][T18126] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[472.094426][T18126] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[472.095014][T18126] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.095591][T18126] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[472.096125][T18126] ? __lock_release (kernel/locking/lockdep.c:5539) 
[472.096692][T18126] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.097239][T18126] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[472.097706][T18126] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.098253][T18126] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.098821][T18126] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[472.099378][T18126] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.099956][T18126] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[472.100563][T18126] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[472.101137][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) 
[472.101572][T18126] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[472.101897][T18126] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[472.102227][T18126] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.102572][T18126] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[472.102903][T18126] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[472.103227][T18126] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[472.103568][T18126] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[472.103903][T18126] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[472.104226][T18126] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[472.104645][T18126] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[472.105212][T18126] ___sys_sendmsg (net/socket.c:2670) 
[472.105547][T18126] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[472.106098][T18126] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[472.106468][T18126] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.106782][T18126] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[472.107102][T18126] ? __handle_mm_fault (mm/memory.c:6212) 
[472.107444][T18126] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[472.108000][T18126] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[472.108348][T18126] __sys_sendmsg (net/socket.c:2700) 
[472.108690][T18126] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[472.109028][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) 
[472.109409][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) 
[472.109732][T18126] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[472.110047][T18126] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[472.110363][T18126] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.110761][T18126] RIP: 0033:0x7facfbe751e7
[ 472.111330][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)
[  472.112723][T18126] RSP: 002b:00007ffe744ec788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.113689][T18126] RAX: ffffffffffffffda RBX: 00007ffe744eceb0 RCX: 00007facfbe751e7
[  472.114169][T18126] RDX: 0000000000000000 RSI: 00007ffe744ec7f0 RDI: 0000000000000005
[  472.114660][T18126] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  472.115151][T18126] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe744ecee8
[  472.115648][T18126] R13: 00000000686e35be R14: 0000000000499600 R15: 0000000000000000
| [  472.289642][T18128] ------------[ cut here ]------------
| [472.289985][T18128] WARNING: CPU: 0 PID: 18128 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  472.290664][T18128] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  472.291899][T18128] Tainted: [W]=WARN
[  472.292154][T18128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[472.292580][T18128] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 472.292928][T18128] 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
[  472.294132][T18128] RSP: 0018:ffffc90008f47080 EFLAGS: 00010246
[  472.294562][T18128] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  472.295064][T18128] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  472.295579][T18128] RBP: ffffc90008f47168 R08: 0000000000000000 R09: 0000000000000000
[  472.296085][T18128] R10: ffffc90008f47198 R11: ffffffff992a8918 R12: 1ffff920011e8e14
[  472.296595][T18128] R13: 00000000000005dc R14: ffffc90008f47198 R15: ffff88801002af08
[  472.297103][T18128] FS:  00007fa917951800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  472.297710][T18128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  472.298129][T18128] CR2: 00000000004a1738 CR3: 000000000ff53006 CR4: 0000000000772ef0
[  472.298642][T18128] PKRU: 55555554
[  472.298908][T18128] Call Trace:
[  472.299160][T18128]  <TASK>
[472.299337][T18128] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[472.299686][T18128] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[472.300033][T18128] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[472.300462][T18128] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[472.300806][T18128] netif_set_mtu (net/core/dev.c:9652) 
[472.301147][T18128] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[472.301516][T18128] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[472.301981][T18128] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[472.302238][T18128] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[472.302704][T18128] br_add_if (net/bridge/br_if.c:697) bridge 
[472.303094][T18128] do_set_master (net/core/rtnetlink.c:2948) 
[472.303441][T18128] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[472.303779][T18128] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[472.304126][T18128] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[472.304468][T18128] ? __dev_get_by_name (net/core/dev.c:865) 
[472.304801][T18128] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.305134][T18128] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.305481][T18128] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[472.305814][T18128] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.306152][T18128] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[472.306512][T18128] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[472.306862][T18128] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.307216][T18128] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[472.307575][T18128] ? __lock_release (kernel/locking/lockdep.c:5539) 
[472.307918][T18128] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.308254][T18128] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[472.308592][T18128] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.308933][T18128] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.309278][T18128] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[472.309625][T18128] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.309965][T18128] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[472.310318][T18128] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[472.310671][T18128] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[472.311005][T18128] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[472.311349][T18128] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[472.311692][T18128] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.312031][T18128] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[472.312375][T18128] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[472.312723][T18128] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[472.313064][T18128] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[472.313411][T18128] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[472.313762][T18128] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[472.314170][T18128] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[472.314507][T18128] ___sys_sendmsg (net/socket.c:2670) 
[472.314828][T18128] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[472.315148][T18128] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[472.315475][T18128] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.315791][T18128] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[472.316114][T18128] ? __handle_mm_fault (mm/memory.c:6212) 
[472.316449][T18128] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[472.316769][T18128] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[472.317102][T18128] __sys_sendmsg (net/socket.c:2700) 
[472.317430][T18128] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[472.317747][T18128] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[472.318070][T18128] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[472.318401][T18128] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[472.318720][T18128] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[472.319034][T18128] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.319434][T18128] RIP: 0033:0x7fa917b1e1e7
[ 472.319764][T18128] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  472.320899][T18128] RSP: 002b:00007ffc8e88c578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.321398][T18128] RAX: ffffffffffffffda RBX: 00007ffc8e88cca0 RCX: 00007fa917b1e1e7
[  472.321873][T18128] RDX: 0000000000000000 RSI: 00007ffc8e88c5e0 RDI: 0000000000000005
[  472.322348][T18128] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  472.322832][T18128] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8e88ccd8
[  472.323302][T18128] R13: 00000000686e35be R14: 0000000000499600 R15: 0000000000000000
| [  472.480076][T18130] ------------[ cut here ]------------
| [472.480512][T18130] WARNING: CPU: 3 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) 
| [  472.481200][T18130] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  472.482453][T18130] Tainted: [W]=WARN
[  472.482712][T18130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[472.483148][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) 
[ 472.483751][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
[  472.484999][T18130] RSP: 0018:ffffc90008747080 EFLAGS: 00010246
[  472.485437][T18130] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  472.485930][T18130] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  472.486423][T18130] RBP: ffffc90008747168 R08: 0000000000000000 R09: 0000000000000000
[  472.486909][T18130] R10: ffffc90008747198 R11: ffffffff992a8918 R12: 1ffff920010e8e14
[  472.487415][T18130] R13: 00000000000005dc R14: ffffc90008747198 R15: ffff88801002af08
[  472.487915][T18130] FS:  00007f37d8ca1800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  472.488501][T18130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  472.488921][T18130] CR2: 00000000004a1738 CR3: 0000000001f75001 CR4: 0000000000772ef0
[  472.489429][T18130] PKRU: 55555554
[  472.489679][T18130] Call Trace:
[  472.489930][T18130]  <TASK>
[472.490103][T18130] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[472.490458][T18130] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[472.490795][T18130] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[472.491210][T18130] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[472.491569][T18130] netif_set_mtu (net/core/dev.c:9652) 
[472.491911][T18130] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[472.492255][T18130] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[472.492722][T18130] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[472.492976][T18130] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[472.493434][T18130] br_add_if (net/bridge/br_if.c:697) bridge 
[472.493818][T18130] do_set_master (net/core/rtnetlink.c:2948) 
[472.494154][T18130] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[472.494527][T18130] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[472.494851][T18130] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[472.495174][T18130] ? __dev_get_by_name (net/core/dev.c:865) 
[472.495506][T18130] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.495828][T18130] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.496149][T18130] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[472.496546][T18130] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.496956][T18130] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[472.497337][T18130] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[472.497791][T18130] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.498144][T18130] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[472.498590][T18130] ? __lock_release (kernel/locking/lockdep.c:5539) 
[472.499002][T18130] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.499379][T18130] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[472.499832][T18130] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.500268][T18130] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.500638][T18130] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[472.500976][T18130] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.501429][T18130] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[472.501788][T18130] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[472.502227][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) 
[472.502654][T18130] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[472.503022][T18130] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[472.503468][T18130] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.503903][T18130] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[472.504257][T18130] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[472.504714][T18130] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[472.505156][T18130] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[472.505599][T18130] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[472.505939][T18130] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[472.506478][T18130] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[472.506952][T18130] ___sys_sendmsg (net/socket.c:2670) 
[472.507303][T18130] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[472.507714][T18130] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[472.508100][T18130] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.508497][T18130] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[472.508842][T18130] ? __handle_mm_fault (mm/memory.c:6212) 
[472.509187][T18130] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[472.509792][T18130] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[472.510250][T18130] __sys_sendmsg (net/socket.c:2700) 
[472.510606][T18130] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[472.510940][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) 
[472.511292][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) 
[472.511682][T18130] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[472.512053][T18130] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[472.512437][T18130] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.512870][T18130] RIP: 0033:0x7f37d8e6e1e7
[ 472.513245][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)
[  472.514702][T18130] RSP: 002b:00007fff3a7c49e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.515345][T18130] RAX: ffffffffffffffda RBX: 00007fff3a7c5110 RCX: 00007f37d8e6e1e7
[  472.515980][T18130] RDX: 0000000000000000 RSI: 00007fff3a7c4a50 RDI: 0000000000000005
[  472.516711][T18130] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  472.517570][T18130] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff3a7c5148
[  472.518444][T18130] R13: 00000000686e35bf R14: 0000000000499600 R15: 0000000000000000
| [  472.713008][T18132] ------------[ cut here ]------------
| [472.713537][T18132] WARNING: CPU: 3 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) 
| [  472.714329][T18132] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  472.715821][T18132] Tainted: [W]=WARN
[  472.716169][T18132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[472.716761][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) 
[ 472.717214][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
[  472.718609][T18132] RSP: 0018:ffffc90005db7080 EFLAGS: 00010246
[  472.719041][T18132] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  472.719671][T18132] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  472.720248][T18132] RBP: ffffc90005db7168 R08: 0000000000000000 R09: 0000000000000000
[  472.720932][T18132] R10: ffffc90005db7198 R11: ffffffff992a8918 R12: 1ffff92000bb6e14
[  472.721569][T18132] R13: 00000000000005dc R14: ffffc90005db7198 R15: ffff88801002af08
[  472.722148][T18132] FS:  00007f13e2ba2800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  472.722878][T18132] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  472.723423][T18132] CR2: 00000000004a1738 CR3: 0000000008e30004 CR4: 0000000000772ef0
[  472.723956][T18132] PKRU: 55555554
[  472.724379][T18132] Call Trace:
[  472.724751][T18132]  <TASK>
[472.725013][T18132] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[472.725404][T18132] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[472.725899][T18132] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[472.726346][T18132] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[472.726725][T18132] netif_set_mtu (net/core/dev.c:9652) 
[472.727156][T18132] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[472.727553][T18132] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[472.728008][T18132] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[472.728333][T18132] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[472.728950][T18132] br_add_if (net/bridge/br_if.c:697) bridge 
[472.729466][T18132] do_set_master (net/core/rtnetlink.c:2948) 
[472.729877][T18132] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[472.730223][T18132] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[472.730563][T18132] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[472.730880][T18132] ? __dev_get_by_name (net/core/dev.c:865) 
[472.731228][T18132] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.731691][T18132] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.732021][T18132] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[472.732485][T18132] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.732914][T18132] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[472.733263][T18132] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[472.733597][T18132] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.733949][T18132] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[472.734293][T18132] ? __lock_release (kernel/locking/lockdep.c:5539) 
[472.734638][T18132] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.734968][T18132] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[472.735326][T18132] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.735737][T18132] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.736130][T18132] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[472.736602][T18132] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.737002][T18132] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[472.737535][T18132] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[472.737949][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) 
[472.738306][T18132] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[472.738667][T18132] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[472.739082][T18132] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.739530][T18132] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[472.740007][T18132] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[472.740366][T18132] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[472.740714][T18132] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[472.741041][T18132] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[472.741475][T18132] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[472.741884][T18132] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[472.742228][T18132] ___sys_sendmsg (net/socket.c:2670) 
[472.742574][T18132] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[472.742901][T18132] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[472.743236][T18132] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.743576][T18132] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[472.743902][T18132] ? __handle_mm_fault (mm/memory.c:6212) 
[472.744254][T18132] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[472.744608][T18132] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[472.744984][T18132] __sys_sendmsg (net/socket.c:2700) 
[472.745352][T18132] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[472.745792][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) 
[472.746158][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) 
[472.746610][T18132] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[472.746935][T18132] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[472.747280][T18132] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.747788][T18132] RIP: 0033:0x7f13e2d6f1e7
[ 472.748182][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)
[  472.749436][T18132] RSP: 002b:00007ffc6008fb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.750006][T18132] RAX: ffffffffffffffda RBX: 00007ffc60090240 RCX: 00007f13e2d6f1e7
[  472.750548][T18132] RDX: 0000000000000000 RSI: 00007ffc6008fb80 RDI: 0000000000000005
[  472.751038][T18132] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  472.751556][T18132] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc60090278
[  472.752035][T18132] R13: 00000000686e35bf R14: 0000000000499600 R15: 0000000000000000
| [  472.939174][T18134] ------------[ cut here ]------------
| [472.939615][T18134] WARNING: CPU: 0 PID: 18134 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  472.940337][T18134] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  472.942442][T18134] Tainted: [W]=WARN
[  472.942755][T18134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[472.943319][T18134] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 472.943794][T18134] 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
[  472.945283][T18134] RSP: 0018:ffffc90005d77080 EFLAGS: 00010246
[  472.945806][T18134] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  472.946413][T18134] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  472.947016][T18134] RBP: ffffc90005d77168 R08: 0000000000000000 R09: 0000000000000000
[  472.947600][T18134] R10: ffffc90005d77198 R11: ffffffff992a8918 R12: 1ffff92000baee14
[  472.948189][T18134] R13: 00000000000005dc R14: ffffc90005d77198 R15: ffff88801002af08
[  472.948765][T18134] FS:  00007f1962a34800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  472.949498][T18134] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  472.949925][T18134] CR2: 00000000004a1738 CR3: 0000000013842003 CR4: 0000000000772ef0
[  472.950493][T18134] PKRU: 55555554
[  472.950785][T18134] Call Trace:
[  472.951040][T18134]  <TASK>
[472.951290][T18134] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[472.951747][T18134] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[472.952196][T18134] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[472.952778][T18134] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[472.953202][T18134] netif_set_mtu (net/core/dev.c:9652) 
[472.953638][T18134] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[472.954056][T18134] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[472.954635][T18134] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[472.954916][T18134] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[472.955446][T18134] br_add_if (net/bridge/br_if.c:697) bridge 
[472.955892][T18134] do_set_master (net/core/rtnetlink.c:2948) 
[472.956263][T18134] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[472.956648][T18134] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[472.957016][T18134] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[472.957370][T18134] ? __dev_get_by_name (net/core/dev.c:865) 
[472.957751][T18134] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.958122][T18134] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[472.958516][T18134] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[472.958905][T18134] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.959282][T18134] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[472.959658][T18134] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[472.960030][T18134] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.960388][T18134] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[472.960784][T18134] ? __lock_release (kernel/locking/lockdep.c:5539) 
[472.961261][T18134] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[472.961735][T18134] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[472.962206][T18134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.962679][T18134] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.963100][T18134] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[472.963524][T18134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[472.963929][T18134] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[472.964372][T18134] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[472.964741][T18134] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[472.965146][T18134] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[472.965599][T18134] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[472.966019][T18134] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[472.966400][T18134] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[472.966782][T18134] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[472.967164][T18134] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[472.967545][T18134] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[472.967935][T18134] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[472.968307][T18134] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[472.968849][T18134] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[472.969210][T18134] ___sys_sendmsg (net/socket.c:2670) 
[472.969601][T18134] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[472.969995][T18134] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[472.970366][T18134] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[472.970769][T18134] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[472.971219][T18134] ? __handle_mm_fault (mm/memory.c:6212) 
[472.971696][T18134] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[472.972129][T18134] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[472.972595][T18134] __sys_sendmsg (net/socket.c:2700) 
[472.972994][T18134] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[472.973399][T18134] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[472.973813][T18134] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[472.974235][T18134] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[472.974613][T18134] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[472.975015][T18134] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.975522][T18134] RIP: 0033:0x7f1962c011e7
[ 472.975934][T18134] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  472.977273][T18134] RSP: 002b:00007ffdffe75ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.977840][T18134] RAX: ffffffffffffffda RBX: 00007ffdffe765f0 RCX: 00007f1962c011e7
[  472.978438][T18134] RDX: 0000000000000000 RSI: 00007ffdffe75f30 RDI: 0000000000000005
[  472.979005][T18134] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  472.979574][T18134] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdffe76628
[  472.980141][T18134] R13: 00000000686e35bf R14: 0000000000499600 R15: 0000000000000000
| [  473.162719][T18136] ------------[ cut here ]------------
| [473.163070][T18136] WARNING: CPU: 2 PID: 18136 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  473.163840][T18136] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  473.165406][T18136] Tainted: [W]=WARN
[  473.165877][T18136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[473.166571][T18136] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 473.167166][T18136] 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
[  473.169251][T18136] RSP: 0018:ffffc90005d67080 EFLAGS: 00010246
[  473.170012][T18136] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  473.170817][T18136] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  473.171641][T18136] RBP: ffffc90005d67168 R08: 0000000000000000 R09: 0000000000000000
[  473.172536][T18136] R10: ffffc90005d67198 R11: ffffffff992a8918 R12: 1ffff92000bace14
[  473.173464][T18136] R13: 00000000000005dc R14: ffffc90005d67198 R15: ffff88801002af08
[  473.174406][T18136] FS:  00007f7a4fd81800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  473.175456][T18136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  473.176216][T18136] CR2: 00000000004a1738 CR3: 0000000014026003 CR4: 0000000000772ef0
[  473.177125][T18136] PKRU: 55555554
[  473.177617][T18136] Call Trace:
[  473.178074][T18136]  <TASK>
[473.178423][T18136] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[473.179039][T18136] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[473.179665][T18136] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[473.180453][T18136] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[473.181089][T18136] netif_set_mtu (net/core/dev.c:9652) 
[473.181731][T18136] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[473.182362][T18136] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[473.183212][T18136] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[473.183724][T18136] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[473.184579][T18136] br_add_if (net/bridge/br_if.c:697) bridge 
[473.185292][T18136] do_set_master (net/core/rtnetlink.c:2948) 
[473.185955][T18136] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[473.186605][T18136] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[473.187209][T18136] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[473.187863][T18136] ? __dev_get_by_name (net/core/dev.c:865) 
[473.188484][T18136] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.189108][T18136] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.189799][T18136] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[473.190378][T18136] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.191017][T18136] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[473.191698][T18136] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[473.192330][T18136] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.192987][T18136] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[473.193613][T18136] ? __lock_release (kernel/locking/lockdep.c:5539) 
[473.194243][T18136] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.194896][T18136] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[473.195530][T18136] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.196199][T18136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.196827][T18136] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[473.197436][T18136] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.198031][T18136] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[473.198605][T18136] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[473.198953][T18136] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[473.199349][T18136] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[473.199719][T18136] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[473.200106][T18136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.200749][T18136] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[473.201378][T18136] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[473.201772][T18136] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[473.202230][T18136] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[473.202872][T18136] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[473.203254][T18136] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[473.203708][T18136] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[473.204074][T18136] ___sys_sendmsg (net/socket.c:2670) 
[473.204439][T18136] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[473.204791][T18136] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[473.205177][T18136] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.205535][T18136] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[473.205903][T18136] ? __handle_mm_fault (mm/memory.c:6212) 
[473.206409][T18136] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[473.206763][T18136] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[473.207143][T18136] __sys_sendmsg (net/socket.c:2700) 
[473.207509][T18136] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[473.207856][T18136] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[473.208224][T18136] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[473.208589][T18136] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[473.208937][T18136] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[473.209294][T18136] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  473.209738][T18136] RIP: 0033:0x7f7a4ff4e1e7
[ 473.210127][T18136] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  473.211400][T18136] RSP: 002b:00007ffe0e2c6888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.211922][T18136] RAX: ffffffffffffffda RBX: 00007ffe0e2c6fb0 RCX: 00007f7a4ff4e1e7
[  473.212472][T18136] RDX: 0000000000000000 RSI: 00007ffe0e2c68f0 RDI: 0000000000000005
[  473.213025][T18136] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  473.213558][T18136] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe0e2c6fe8
[  473.214053][T18136] R13: 00000000686e35bf R14: 0000000000499600 R15: 0000000000000000
| [  473.400795][T18138] ------------[ cut here ]------------
| [473.401153][T18138] WARNING: CPU: 2 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) 
| [  473.401910][T18138] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  473.403140][T18138] Tainted: [W]=WARN
[  473.403414][T18138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[473.403842][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) 
[ 473.404228][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
[  473.405441][T18138] RSP: 0018:ffffc90005d67080 EFLAGS: 00010246
[  473.405876][T18138] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  473.406387][T18138] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  473.406910][T18138] RBP: ffffc90005d67168 R08: 0000000000000000 R09: 0000000000000000
[  473.407431][T18138] R10: ffffc90005d67198 R11: ffffffff992a8918 R12: 1ffff92000bace14
[  473.407940][T18138] R13: 00000000000005dc R14: ffffc90005d67198 R15: ffff88801002af08
[  473.408518][T18138] FS:  00007f5c17be4800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  473.409118][T18138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  473.409558][T18138] CR2: 00000000004a1738 CR3: 00000000136fd003 CR4: 0000000000772ef0
[  473.410086][T18138] PKRU: 55555554
[  473.410353][T18138] Call Trace:
[  473.410639][T18138]  <TASK>
[473.410825][T18138] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[473.411212][T18138] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[473.411580][T18138] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[473.412024][T18138] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[473.412416][T18138] netif_set_mtu (net/core/dev.c:9652) 
[473.412768][T18138] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[473.413118][T18138] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[473.413623][T18138] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[473.413892][T18138] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[473.414371][T18138] br_add_if (net/bridge/br_if.c:697) bridge 
[473.414773][T18138] do_set_master (net/core/rtnetlink.c:2948) 
[473.415123][T18138] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[473.415480][T18138] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[473.415832][T18138] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[473.416208][T18138] ? __dev_get_by_name (net/core/dev.c:865) 
[473.416578][T18138] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.416934][T18138] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.417295][T18138] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[473.417649][T18138] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.418006][T18138] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[473.418368][T18138] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[473.418736][T18138] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.419099][T18138] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[473.419459][T18138] ? __lock_release (kernel/locking/lockdep.c:5539) 
[473.419807][T18138] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.420192][T18138] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[473.420562][T18138] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.420915][T18138] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.421277][T18138] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[473.421653][T18138] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.422007][T18138] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[473.422372][T18138] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[473.422734][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) 
[473.423079][T18138] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[473.423441][T18138] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[473.423786][T18138] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.424187][T18138] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[473.424555][T18138] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[473.424902][T18138] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[473.425260][T18138] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[473.425629][T18138] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[473.425976][T18138] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[473.426455][T18138] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[473.426812][T18138] ___sys_sendmsg (net/socket.c:2670) 
[473.427170][T18138] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[473.427526][T18138] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[473.427878][T18138] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.428234][T18138] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[473.428598][T18138] ? __handle_mm_fault (mm/memory.c:6212) 
[473.428951][T18138] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[473.429305][T18138] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[473.429675][T18138] __sys_sendmsg (net/socket.c:2700) 
[473.430022][T18138] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[473.430419][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) 
[473.430780][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) 
[473.431139][T18138] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[473.431515][T18138] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[473.431864][T18138] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  473.432295][T18138] RIP: 0033:0x7f5c17db11e7
[ 473.432670][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)
[  473.433890][T18138] RSP: 002b:00007fffaddb9028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.434456][T18138] RAX: ffffffffffffffda RBX: 00007fffaddb9750 RCX: 00007f5c17db11e7
[  473.434974][T18138] RDX: 0000000000000000 RSI: 00007fffaddb9090 RDI: 0000000000000005
[  473.435499][T18138] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  473.436004][T18138] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffaddb9788
[  473.436521][T18138] R13: 00000000686e35c0 R14: 0000000000499600 R15: 0000000000000000
| [  473.632973][T18140] ------------[ cut here ]------------
| [473.633338][T18140] WARNING: CPU: 3 PID: 18140 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  473.634046][T18140] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  473.635246][T18140] Tainted: [W]=WARN
[  473.635558][T18140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[473.635962][T18140] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 473.636298][T18140] 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
[  473.637437][T18140] RSP: 0000:ffffc90004df7080 EFLAGS: 00010246
[  473.637834][T18140] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  473.638303][T18140] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  473.638787][T18140] RBP: ffffc90004df7168 R08: 0000000000000000 R09: 0000000000000000
[  473.639265][T18140] R10: ffffc90004df7198 R11: ffffffff992a8918 R12: 1ffff920009bee14
[  473.639742][T18140] R13: 00000000000005dc R14: ffffc90004df7198 R15: ffff88801002af08
[  473.640219][T18140] FS:  00007fd3c60c1800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  473.640782][T18140] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  473.641188][T18140] CR2: 00007fa5238da1e4 CR3: 000000000bca5005 CR4: 0000000000772ef0
[  473.641759][T18140] PKRU: 55555554
[  473.642000][T18140] Call Trace:
[  473.642242][T18140]  <TASK>
[473.642416][T18140] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[473.642742][T18140] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[473.643060][T18140] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[473.643467][T18140] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[473.643788][T18140] netif_set_mtu (net/core/dev.c:9652) 
[473.644112][T18140] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[473.644449][T18140] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[473.644893][T18140] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[473.645131][T18140] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[473.645596][T18140] br_add_if (net/bridge/br_if.c:697) bridge 
[473.645967][T18140] do_set_master (net/core/rtnetlink.c:2948) 
[473.646300][T18140] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[473.646631][T18140] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[473.646949][T18140] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[473.647317][T18140] ? __dev_get_by_name (net/core/dev.c:865) 
[473.647661][T18140] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.647980][T18140] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.648326][T18140] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[473.648647][T18140] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.648972][T18140] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[473.649302][T18140] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[473.649634][T18140] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.649967][T18140] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[473.650280][T18140] ? __lock_release (kernel/locking/lockdep.c:5539) 
[473.650621][T18140] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.650959][T18140] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[473.651277][T18140] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.651642][T18140] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.651966][T18140] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[473.652283][T18140] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.652610][T18140] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[473.652937][T18140] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[473.653255][T18140] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[473.653604][T18140] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[473.653951][T18140] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[473.654277][T18140] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.654611][T18140] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[473.654936][T18140] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[473.655252][T18140] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[473.655585][T18140] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[473.655910][T18140] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[473.656225][T18140] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[473.656637][T18140] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[473.656969][T18140] ___sys_sendmsg (net/socket.c:2670) 
[473.657296][T18140] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[473.657626][T18140] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[473.657950][T18140] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.658286][T18140] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[473.658619][T18140] ? __handle_mm_fault (mm/memory.c:6212) 
[473.658946][T18140] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[473.659270][T18140] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[473.659624][T18140] __sys_sendmsg (net/socket.c:2700) 
[473.659937][T18140] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[473.660251][T18140] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[473.660581][T18140] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[473.660897][T18140] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[473.661220][T18140] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[473.661649][T18140] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  473.662055][T18140] RIP: 0033:0x7fd3c628e1e7
[ 473.662380][T18140] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  473.663506][T18140] RSP: 002b:00007ffcfb2382e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.663983][T18140] RAX: ffffffffffffffda RBX: 00007ffcfb238a10 RCX: 00007fd3c628e1e7
[  473.664472][T18140] RDX: 0000000000000000 RSI: 00007ffcfb238350 RDI: 0000000000000005
[  473.664947][T18140] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  473.665428][T18140] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcfb238a48
[  473.665943][T18140] R13: 00000000686e35c0 R14: 0000000000499600 R15: 0000000000000000
| [  473.855337][T18143] ------------[ cut here ]------------
| [473.855756][T18143] WARNING: CPU: 3 PID: 18143 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  473.856442][T18143] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  473.857688][T18143] Tainted: [W]=WARN
[  473.857928][T18143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[473.858345][T18143] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 473.858700][T18143] 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
[  473.859901][T18143] RSP: 0018:ffffc90004de7080 EFLAGS: 00010246
[  473.860330][T18143] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  473.860810][T18143] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  473.861307][T18143] RBP: ffffc90004de7168 R08: 0000000000000000 R09: 0000000000000000
[  473.861833][T18143] R10: ffffc90004de7198 R11: ffffffff992a8918 R12: 1ffff920009bce14
[  473.862337][T18143] R13: 00000000000005dc R14: ffffc90004de7198 R15: ffff88801002af08
[  473.862824][T18143] FS:  00007f6f4b791800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  473.863455][T18143] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  473.863912][T18143] CR2: 00000000004a1738 CR3: 00000000140f1005 CR4: 0000000000772ef0
[  473.864416][T18143] PKRU: 55555554
[  473.864659][T18143] Call Trace:
[  473.864910][T18143]  <TASK>
[473.865077][T18143] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[473.865413][T18143] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[473.865741][T18143] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[473.866163][T18143] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[473.866498][T18143] netif_set_mtu (net/core/dev.c:9652) 
[473.866821][T18143] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[473.867169][T18143] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[473.867623][T18143] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[473.867866][T18143] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[473.868322][T18143] br_add_if (net/bridge/br_if.c:697) bridge 
[473.868719][T18143] do_set_master (net/core/rtnetlink.c:2948) 
[473.869054][T18143] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[473.869423][T18143] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[473.869770][T18143] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[473.870144][T18143] ? __dev_get_by_name (net/core/dev.c:865) 
[473.870487][T18143] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.870831][T18143] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[473.871205][T18143] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[473.871564][T18143] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.871907][T18143] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[473.872261][T18143] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[473.872627][T18143] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.872984][T18143] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[473.873335][T18143] ? __lock_release (kernel/locking/lockdep.c:5539) 
[473.873679][T18143] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[473.874026][T18143] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[473.874361][T18143] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.874721][T18143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.875107][T18143] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[473.875481][T18143] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[473.875806][T18143] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[473.876152][T18143] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[473.876477][T18143] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[473.876807][T18143] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[473.877133][T18143] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[473.877464][T18143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[473.877782][T18143] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[473.878106][T18143] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[473.878445][T18143] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[473.878773][T18143] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[473.879127][T18143] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[473.879463][T18143] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[473.879885][T18143] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[473.880220][T18143] ___sys_sendmsg (net/socket.c:2670) 
[473.880551][T18143] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[473.880866][T18143] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[473.881182][T18143] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[473.881560][T18143] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[473.881890][T18143] ? __handle_mm_fault (mm/memory.c:6212) 
[473.882246][T18143] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[473.882612][T18143] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[473.882974][T18143] __sys_sendmsg (net/socket.c:2700) 
[473.883326][T18143] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[473.883666][T18143] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[473.884006][T18143] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[473.884339][T18143] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[473.884680][T18143] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[473.885021][T18143] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  473.885431][T18143] RIP: 0033:0x7f6f4b95e1e7
[ 473.885759][T18143] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  473.886919][T18143] RSP: 002b:00007ffe6ad05e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.887432][T18143] RAX: ffffffffffffffda RBX: 00007ffe6ad06560 RCX: 00007f6f4b95e1e7
[  473.887911][T18143] RDX: 0000000000000000 RSI: 00007ffe6ad05ea0 RDI: 0000000000000005
[  473.888403][T18143] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  473.888896][T18143] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe6ad06598
[  473.889415][T18143] R13: 00000000686e35c0 R14: 0000000000499600 R15: 0000000000000000
| [  474.089655][T18144] ------------[ cut here ]------------
| [474.090017][T18144] WARNING: CPU: 0 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) 
| [  474.091118][T18144] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  474.092537][T18144] Tainted: [W]=WARN
[  474.092779][T18144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[474.093190][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) 
[ 474.093553][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
[  474.094886][T18144] RSP: 0018:ffffc90005db7080 EFLAGS: 00010246
[  474.095437][T18144] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  474.096081][T18144] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  474.096701][T18144] RBP: ffffc90005db7168 R08: 0000000000000000 R09: 0000000000000000
[  474.097326][T18144] R10: ffffc90005db7198 R11: ffffffff992a8918 R12: 1ffff92000bb6e14
[  474.097949][T18144] R13: 00000000000005dc R14: ffffc90005db7198 R15: ffff88801002af08
[  474.098512][T18144] FS:  00007fd3277a7800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  474.099189][T18144] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  474.099721][T18144] CR2: 00007fd327a6c430 CR3: 0000000012616003 CR4: 0000000000772ef0
[  474.100279][T18144] PKRU: 55555554
[  474.100562][T18144] Call Trace:
[  474.100831][T18144]  <TASK>
[474.101027][T18144] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[474.101453][T18144] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[474.101837][T18144] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[474.102301][T18144] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[474.102748][T18144] netif_set_mtu (net/core/dev.c:9652) 
[474.103115][T18144] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[474.103493][T18144] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[474.104014][T18144] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[474.104285][T18144] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[474.104816][T18144] br_add_if (net/bridge/br_if.c:697) bridge 
[474.105280][T18144] do_set_master (net/core/rtnetlink.c:2948) 
[474.105716][T18144] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[474.106158][T18144] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[474.106628][T18144] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[474.107000][T18144] ? __dev_get_by_name (net/core/dev.c:865) 
[474.107388][T18144] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.107814][T18144] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.108239][T18144] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[474.108645][T18144] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.109003][T18144] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[474.109441][T18144] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[474.109858][T18144] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.110247][T18144] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[474.110639][T18144] ? __lock_release (kernel/locking/lockdep.c:5539) 
[474.111024][T18144] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.111410][T18144] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[474.111783][T18144] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.112161][T18144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.112532][T18144] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[474.112939][T18144] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.113290][T18144] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[474.113646][T18144] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[474.113999][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) 
[474.114364][T18144] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[474.114726][T18144] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[474.115088][T18144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.115501][T18144] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[474.115925][T18144] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[474.116342][T18144] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[474.116784][T18144] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[474.117180][T18144] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[474.117569][T18144] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[474.118044][T18144] ___sys_sendmsg (net/socket.c:2670) 
[474.118458][T18144] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[474.118849][T18144] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[474.119231][T18144] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[474.119596][T18144] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[474.119987][T18144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.120364][T18144] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[474.120743][T18144] __sys_sendmsg (net/socket.c:2700) 
[474.121107][T18144] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[474.121481][T18144] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[474.121830][T18144] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[474.122195][T18144] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  474.122631][T18144] RIP: 0033:0x7fd3279741e7
[ 474.122988][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)
[  474.124270][T18144] RSP: 002b:00007ffc703c4738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  474.124803][T18144] RAX: ffffffffffffffda RBX: 00007ffc703c4e60 RCX: 00007fd3279741e7
[  474.125329][T18144] RDX: 0000000000000000 RSI: 00007ffc703c47a0 RDI: 0000000000000005
[  474.125892][T18144] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  474.126539][T18144] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc703c4e98
[  474.127169][T18144] R13: 00000000686e35c0 R14: 0000000000499600 R15: 0000000000000000
| [  474.301796][T18147] ------------[ cut here ]------------
| [474.302344][T18147] WARNING: CPU: 3 PID: 18147 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  474.303461][T18147] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  474.305472][T18147] Tainted: [W]=WARN
[  474.305907][T18147] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[474.306629][T18147] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 474.307183][T18147] 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
[  474.309167][T18147] RSP: 0018:ffffc90004de7080 EFLAGS: 00010246
[  474.309877][T18147] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  474.310742][T18147] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  474.311529][T18147] RBP: ffffc90004de7168 R08: 0000000000000000 R09: 0000000000000000
[  474.312337][T18147] R10: ffffc90004de7198 R11: ffffffff992a8918 R12: 1ffff920009bce14
[  474.313175][T18147] R13: 00000000000005dc R14: ffffc90004de7198 R15: ffff88801002af08
[  474.314026][T18147] FS:  00007f0a3ffdb800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  474.315051][T18147] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  474.315762][T18147] CR2: 00007fa5234c07b0 CR3: 0000000012ca5005 CR4: 0000000000772ef0
[  474.316640][T18147] PKRU: 55555554
[  474.317076][T18147] Call Trace:
[  474.317517][T18147]  <TASK>
[474.317815][T18147] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[474.318427][T18147] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[474.319004][T18147] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[474.319734][T18147] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[474.320294][T18147] netif_set_mtu (net/core/dev.c:9652) 
[474.320855][T18147] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[474.321495][T18147] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[474.321976][T18147] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[474.322229][T18147] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[474.322714][T18147] br_add_if (net/bridge/br_if.c:697) bridge 
[474.323099][T18147] do_set_master (net/core/rtnetlink.c:2948) 
[474.323434][T18147] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[474.323797][T18147] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[474.324129][T18147] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[474.324522][T18147] ? __dev_get_by_name (net/core/dev.c:865) 
[474.324894][T18147] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.325232][T18147] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.325585][T18147] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[474.325904][T18147] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.326229][T18147] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[474.326569][T18147] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[474.326925][T18147] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.327267][T18147] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[474.327602][T18147] ? __lock_release (kernel/locking/lockdep.c:5539) 
[474.327941][T18147] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.328281][T18147] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[474.328642][T18147] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.328980][T18147] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.329308][T18147] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[474.329640][T18147] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.329960][T18147] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[474.330300][T18147] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[474.330638][T18147] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[474.330980][T18147] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[474.331306][T18147] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[474.331664][T18147] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.331998][T18147] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[474.332356][T18147] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[474.332921][T18147] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[474.333257][T18147] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[474.333605][T18147] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[474.333931][T18147] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[474.334346][T18147] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[474.334927][T18147] ___sys_sendmsg (net/socket.c:2670) 
[474.335260][T18147] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[474.335603][T18147] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[474.336191][T18147] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.336562][T18147] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[474.336893][T18147] ? __handle_mm_fault (mm/memory.c:6212) 
[474.337236][T18147] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[474.337574][T18147] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[474.337913][T18147] __sys_sendmsg (net/socket.c:2700) 
[474.338235][T18147] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[474.338560][T18147] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[474.339127][T18147] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[474.339460][T18147] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[474.339797][T18147] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[474.340116][T18147] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  474.340551][T18147] RIP: 0033:0x7f0a401a81e7
[ 474.340884][T18147] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  474.342805][T18147] RSP: 002b:00007ffce43f1be8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  474.343299][T18147] RAX: ffffffffffffffda RBX: 00007ffce43f2310 RCX: 00007f0a401a81e7
[  474.344027][T18147] RDX: 0000000000000000 RSI: 00007ffce43f1c50 RDI: 0000000000000005
[  474.344786][T18147] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  474.345278][T18147] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffce43f2348
[  474.345759][T18147] R13: 00000000686e35c0 R14: 0000000000499600 R15: 0000000000000000
| [  474.517210][T18148] ------------[ cut here ]------------
| [474.518218][T18148] WARNING: CPU: 0 PID: 18148 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  474.519063][T18148] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  474.520447][T18148] Tainted: [W]=WARN
[  474.520743][T18148] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[474.521215][T18148] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 474.521614][T18148] 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
[  474.522935][T18148] RSP: 0018:ffffc90004dc7080 EFLAGS: 00010246
[  474.523427][T18148] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  474.524034][T18148] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  474.524592][T18148] RBP: ffffc90004dc7168 R08: 0000000000000000 R09: 0000000000000000
[  474.525139][T18148] R10: ffffc90004dc7198 R11: ffffffff992a8918 R12: 1ffff920009b8e14
[  474.525762][T18148] R13: 00000000000005dc R14: ffffc90004dc7198 R15: ffff88801002af08
[  474.526465][T18148] FS:  00007f65a4579800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  474.527263][T18148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  474.527792][T18148] CR2: 00007fa523704a00 CR3: 000000000ff16002 CR4: 0000000000772ef0
[  474.528421][T18148] PKRU: 55555554
[  474.528745][T18148] Call Trace:
[  474.529045][T18148]  <TASK>
[474.529237][T18148] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[474.529672][T18148] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[474.530077][T18148] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[474.530580][T18148] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[474.530978][T18148] netif_set_mtu (net/core/dev.c:9652) 
[474.531370][T18148] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[474.531770][T18148] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[474.532305][T18148] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[474.532616][T18148] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[474.533169][T18148] br_add_if (net/bridge/br_if.c:697) bridge 
[474.533598][T18148] do_set_master (net/core/rtnetlink.c:2948) 
[474.533981][T18148] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[474.534356][T18148] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[474.534759][T18148] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[474.535169][T18148] ? __dev_get_by_name (net/core/dev.c:865) 
[474.535635][T18148] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.536081][T18148] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.536560][T18148] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[474.536935][T18148] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.537359][T18148] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[474.537794][T18148] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[474.538201][T18148] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.538664][T18148] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[474.539037][T18148] ? __lock_release (kernel/locking/lockdep.c:5539) 
[474.539428][T18148] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.539828][T18148] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[474.540217][T18148] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.540624][T18148] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.541009][T18148] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[474.541416][T18148] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.541805][T18148] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[474.542177][T18148] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[474.542566][T18148] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[474.542957][T18148] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[474.543355][T18148] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[474.543729][T18148] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.544127][T18148] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[474.544520][T18148] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[474.544926][T18148] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[474.545398][T18148] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[474.545872][T18148] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[474.546337][T18148] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[474.546873][T18148] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[474.547301][T18148] ___sys_sendmsg (net/socket.c:2670) 
[474.547710][T18148] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[474.548134][T18148] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[474.548514][T18148] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.548912][T18148] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[474.549316][T18148] ? __handle_mm_fault (mm/memory.c:6212) 
[474.549727][T18148] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[474.550108][T18148] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[474.550506][T18148] __sys_sendmsg (net/socket.c:2700) 
[474.550902][T18148] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[474.551285][T18148] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[474.551684][T18148] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[474.552127][T18148] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[474.552491][T18148] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[474.552872][T18148] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  474.553346][T18148] RIP: 0033:0x7f65a47461e7
[ 474.553731][T18148] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  474.555303][T18148] RSP: 002b:00007fff023eff68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  474.555946][T18148] RAX: ffffffffffffffda RBX: 00007fff023f0690 RCX: 00007f65a47461e7
[  474.556566][T18148] RDX: 0000000000000000 RSI: 00007fff023effd0 RDI: 0000000000000005
[  474.557180][T18148] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  474.557768][T18148] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff023f06c8
[  474.558353][T18148] R13: 00000000686e35c1 R14: 0000000000499600 R15: 0000000000000000
| [  474.744594][T18150] ------------[ cut here ]------------
| [474.744990][T18150] WARNING: CPU: 2 PID: 18150 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  474.745833][T18150] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  474.747091][T18150] Tainted: [W]=WARN
[  474.747371][T18150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[474.747828][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) 
[ 474.748186][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
[  474.749417][T18150] RSP: 0018:ffffc90004db7080 EFLAGS: 00010246
[  474.749928][T18150] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  474.750507][T18150] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  474.751052][T18150] RBP: ffffc90004db7168 R08: 0000000000000000 R09: 0000000000000000
[  474.751631][T18150] R10: ffffc90004db7198 R11: ffffffff992a8918 R12: 1ffff920009b6e14
[  474.752187][T18150] R13: 00000000000005dc R14: ffffc90004db7198 R15: ffff88801002af08
[  474.752762][T18150] FS:  00007f2e91837800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  474.753414][T18150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  474.753905][T18150] CR2: 00000000004a1738 CR3: 00000000139df004 CR4: 0000000000772ef0
[  474.754446][T18150] PKRU: 55555554
[  474.754767][T18150] Call Trace:
[  474.755056][T18150]  <TASK>
[474.755260][T18150] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[474.755646][T18150] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[474.756012][T18150] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[474.756479][T18150] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[474.756858][T18150] netif_set_mtu (net/core/dev.c:9652) 
[474.757232][T18150] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[474.757626][T18150] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[474.758132][T18150] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[474.758427][T18150] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[474.758931][T18150] br_add_if (net/bridge/br_if.c:697) bridge 
[474.759386][T18150] do_set_master (net/core/rtnetlink.c:2948) 
[474.759771][T18150] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[474.760150][T18150] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[474.760532][T18150] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[474.760905][T18150] ? __dev_get_by_name (net/core/dev.c:865) 
[474.761275][T18150] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.761672][T18150] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.762040][T18150] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[474.762424][T18150] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.762804][T18150] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[474.763192][T18150] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[474.763597][T18150] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.763983][T18150] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[474.764349][T18150] ? __lock_release (kernel/locking/lockdep.c:5539) 
[474.764734][T18150] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.765119][T18150] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[474.765542][T18150] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.765927][T18150] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.766306][T18150] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[474.766689][T18150] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.767064][T18150] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[474.767454][T18150] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[474.767823][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) 
[474.768201][T18150] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[474.768581][T18150] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[474.768954][T18150] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.769334][T18150] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[474.769717][T18150] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[474.770079][T18150] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[474.770461][T18150] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[474.770837][T18150] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[474.771206][T18150] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[474.771682][T18150] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[474.772074][T18150] ___sys_sendmsg (net/socket.c:2670) 
[474.772452][T18150] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[474.772819][T18150] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[474.773193][T18150] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.773571][T18150] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[474.773948][T18150] ? __handle_mm_fault (mm/memory.c:6212) 
[474.774323][T18150] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[474.774722][T18150] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[474.775104][T18150] __sys_sendmsg (net/socket.c:2700) 
[474.775475][T18150] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[474.775843][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) 
[474.776226][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) 
[474.776610][T18150] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[474.776990][T18150] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[474.777381][T18150] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  474.777844][T18150] RIP: 0033:0x7f2e91a041e7
[ 474.778228][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)
[  474.779513][T18150] RSP: 002b:00007ffd04e067d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  474.780062][T18150] RAX: ffffffffffffffda RBX: 00007ffd04e06f00 RCX: 00007f2e91a041e7
[  474.780609][T18150] RDX: 0000000000000000 RSI: 00007ffd04e06840 RDI: 0000000000000005
[  474.781155][T18150] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  474.781723][T18150] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd04e06f38
[  474.782274][T18150] R13: 00000000686e35c1 R14: 0000000000499600 R15: 0000000000000000
| [  474.964052][T18152] ------------[ cut here ]------------
| [474.964575][T18152] WARNING: CPU: 2 PID: 18152 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  474.965364][T18152] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  474.966718][T18152] Tainted: [W]=WARN
[  474.966984][T18152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[474.967442][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) 
[ 474.967791][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
[  474.968989][T18152] RSP: 0018:ffffc90008747080 EFLAGS: 00010246
[  474.969431][T18152] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  474.969926][T18152] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  474.970488][T18152] RBP: ffffc90008747168 R08: 0000000000000000 R09: 0000000000000000
[  474.971018][T18152] R10: ffffc90008747198 R11: ffffffff992a8918 R12: 1ffff920010e8e14
[  474.971708][T18152] R13: 00000000000005dc R14: ffffc90008747198 R15: ffff88801002af08
[  474.972321][T18152] FS:  00007f060fa9f800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  474.972945][T18152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  474.973451][T18152] CR2: 00000000004a1738 CR3: 0000000013176001 CR4: 0000000000772ef0
[  474.973972][T18152] PKRU: 55555554
[  474.974288][T18152] Call Trace:
[  474.974613][T18152]  <TASK>
[474.974860][T18152] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[474.975245][T18152] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[474.975627][T18152] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[474.976159][T18152] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[474.976593][T18152] netif_set_mtu (net/core/dev.c:9652) 
[474.977028][T18152] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[474.977438][T18152] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[474.977939][T18152] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[474.978320][T18152] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[474.978873][T18152] br_add_if (net/bridge/br_if.c:697) bridge 
[474.979364][T18152] do_set_master (net/core/rtnetlink.c:2948) 
[474.979747][T18152] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[474.980208][T18152] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[474.980584][T18152] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[474.980936][T18152] ? __dev_get_by_name (net/core/dev.c:865) 
[474.981476][T18152] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.981960][T18152] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[474.982581][T18152] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[474.983112][T18152] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.983762][T18152] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[474.984375][T18152] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[474.984996][T18152] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.985618][T18152] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[474.986175][T18152] ? __lock_release (kernel/locking/lockdep.c:5539) 
[474.986797][T18152] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[474.987435][T18152] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[474.988029][T18152] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.988651][T18152] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.989278][T18152] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[474.989920][T18152] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[474.990551][T18152] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[474.991191][T18152] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[474.991818][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) 
[474.992264][T18152] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[474.992727][T18152] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[474.993124][T18152] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[474.993577][T18152] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[474.994002][T18152] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[474.994494][T18152] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[474.994963][T18152] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[474.995384][T18152] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[474.995761][T18152] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[474.996218][T18152] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[474.996659][T18152] ___sys_sendmsg (net/socket.c:2670) 
[474.997058][T18152] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[474.997437][T18152] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[474.997849][T18152] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[474.998289][T18152] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[474.998722][T18152] ? __handle_mm_fault (mm/memory.c:6212) 
[474.999113][T18152] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[474.999488][T18152] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[474.999926][T18152] __sys_sendmsg (net/socket.c:2700) 
[475.000344][T18152] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[475.000746][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) 
[475.001190][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) 
[475.001696][T18152] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[475.002075][T18152] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[475.002456][T18152] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  475.002957][T18152] RIP: 0033:0x7f060fc6c1e7
[ 475.003352][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)
[  475.004904][T18152] RSP: 002b:00007ffe43e915e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  475.005826][T18152] RAX: ffffffffffffffda RBX: 00007ffe43e91d10 RCX: 00007f060fc6c1e7
[  475.006408][T18152] RDX: 0000000000000000 RSI: 00007ffe43e91650 RDI: 0000000000000005
[  475.006957][T18152] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  475.007723][T18152] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe43e91d48
[  475.008241][T18152] R13: 00000000686e35c1 R14: 0000000000499600 R15: 0000000000000000
| [  475.160090][T18154] ------------[ cut here ]------------
| [475.160507][T18154] WARNING: CPU: 0 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) 
| [  475.161156][T18154] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  475.162374][T18154] Tainted: [W]=WARN
[  475.162632][T18154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[475.163030][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) 
[ 475.163366][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
[  475.164593][T18154] RSP: 0018:ffffc90007c17080 EFLAGS: 00010246
[  475.165021][T18154] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  475.165546][T18154] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  475.166054][T18154] RBP: ffffc90007c17168 R08: 0000000000000000 R09: 0000000000000000
[  475.166570][T18154] R10: ffffc90007c17198 R11: ffffffff992a8918 R12: 1ffff92000f82e14
[  475.167079][T18154] R13: 00000000000005dc R14: ffffc90007c17198 R15: ffff88801002af08
[  475.167603][T18154] FS:  00007f266733c800(0000) GS:ffff888094eb7000(0000) knlGS:0000000000000000
[  475.168208][T18154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  475.168640][T18154] CR2: 00000000004a1738 CR3: 0000000007d17003 CR4: 0000000000772ef0
[  475.169149][T18154] PKRU: 55555554
[  475.169420][T18154] Call Trace:
[  475.169675][T18154]  <TASK>
[475.169854][T18154] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[475.170199][T18154] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[475.170555][T18154] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[475.170978][T18154] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[475.171329][T18154] netif_set_mtu (net/core/dev.c:9652) 
[475.171684][T18154] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[475.172046][T18154] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[475.172523][T18154] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[475.172771][T18154] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[475.173212][T18154] br_add_if (net/bridge/br_if.c:697) bridge 
[475.173587][T18154] do_set_master (net/core/rtnetlink.c:2948) 
[475.173918][T18154] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[475.174275][T18154] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[475.174610][T18154] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[475.174933][T18154] ? __dev_get_by_name (net/core/dev.c:865) 
[475.175266][T18154] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.175639][T18154] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.175975][T18154] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[475.176305][T18154] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.176652][T18154] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[475.177013][T18154] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[475.177344][T18154] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.177697][T18154] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[475.178029][T18154] ? __lock_release (kernel/locking/lockdep.c:5539) 
[475.178380][T18154] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.178757][T18154] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[475.179096][T18154] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.179440][T18154] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.179782][T18154] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[475.180113][T18154] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.180465][T18154] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[475.180844][T18154] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[475.181192][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) 
[475.181576][T18154] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[475.181934][T18154] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[475.182298][T18154] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.182665][T18154] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[475.183032][T18154] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[475.183402][T18154] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[475.183773][T18154] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[475.184130][T18154] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[475.184498][T18154] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[475.184955][T18154] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[475.185315][T18154] ___sys_sendmsg (net/socket.c:2670) 
[475.185675][T18154] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[475.186023][T18154] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[475.186376][T18154] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.186736][T18154] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[475.187096][T18154] ? __handle_mm_fault (mm/memory.c:6212) 
[475.187457][T18154] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[475.187812][T18154] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[475.188183][T18154] __sys_sendmsg (net/socket.c:2700) 
[475.188543][T18154] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[475.188890][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) 
[475.189253][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) 
[475.189585][T18154] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[475.189914][T18154] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[475.190239][T18154] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  475.190659][T18154] RIP: 0033:0x7f26675091e7
[ 475.190994][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)
[  475.192184][T18154] RSP: 002b:00007ffd9ea7a318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  475.192695][T18154] RAX: ffffffffffffffda RBX: 00007ffd9ea7aa40 RCX: 00007f26675091e7
[  475.193190][T18154] RDX: 0000000000000000 RSI: 00007ffd9ea7a380 RDI: 0000000000000005
[  475.193682][T18154] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  475.194168][T18154] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd9ea7aa78
[  475.194665][T18154] R13: 00000000686e35c1 R14: 0000000000499600 R15: 0000000000000000
| [  475.372599][T18157] ------------[ cut here ]------------
| [475.372980][T18157] WARNING: CPU: 2 PID: 18157 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  475.373710][T18157] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  475.375047][T18157] Tainted: [W]=WARN
[  475.375335][T18157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[475.375811][T18157] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 475.376197][T18157] 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
[  475.377489][T18157] RSP: 0018:ffffc90007c07080 EFLAGS: 00010246
[  475.377959][T18157] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  475.378523][T18157] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  475.379085][T18157] RBP: ffffc90007c07168 R08: 0000000000000000 R09: 0000000000000000
[  475.379654][T18157] R10: ffffc90007c07198 R11: ffffffff992a8918 R12: 1ffff92000f80e14
[  475.380196][T18157] R13: 00000000000005dc R14: ffffc90007c07198 R15: ffff88801002af08
[  475.380755][T18157] FS:  00007f8376980800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  475.381421][T18157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  475.381883][T18157] CR2: 00000000004a1738 CR3: 000000000fd8e001 CR4: 0000000000772ef0
[  475.382487][T18157] PKRU: 55555554
[  475.382820][T18157] Call Trace:
[  475.383147][T18157]  <TASK>
[475.383402][T18157] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[475.383872][T18157] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[475.384314][T18157] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[475.384843][T18157] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[475.385252][T18157] netif_set_mtu (net/core/dev.c:9652) 
[475.385704][T18157] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[475.386152][T18157] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[475.386838][T18157] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[475.387205][T18157] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[475.387821][T18157] br_add_if (net/bridge/br_if.c:697) bridge 
[475.388326][T18157] do_set_master (net/core/rtnetlink.c:2948) 
[475.388768][T18157] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[475.389182][T18157] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[475.389569][T18157] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[475.389972][T18157] ? __dev_get_by_name (net/core/dev.c:865) 
[475.390382][T18157] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.390852][T18157] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.391271][T18157] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[475.391710][T18157] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.392113][T18157] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[475.392557][T18157] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[475.393006][T18157] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.393449][T18157] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[475.393886][T18157] ? __lock_release (kernel/locking/lockdep.c:5539) 
[475.394316][T18157] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.394722][T18157] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[475.395137][T18157] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.395577][T18157] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.396015][T18157] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[475.396500][T18157] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.396951][T18157] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[475.397414][T18157] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[475.397831][T18157] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[475.398293][T18157] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[475.398684][T18157] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[475.399061][T18157] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.399446][T18157] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[475.399825][T18157] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[475.400211][T18157] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[475.400794][T18157] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[475.401419][T18157] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[475.402049][T18157] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[475.402847][T18157] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[475.403516][T18157] ___sys_sendmsg (net/socket.c:2670) 
[475.404148][T18157] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[475.404752][T18157] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[475.405377][T18157] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.406012][T18157] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[475.406655][T18157] ? __handle_mm_fault (mm/memory.c:6212) 
[475.407294][T18157] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[475.407938][T18157] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[475.408622][T18157] __sys_sendmsg (net/socket.c:2700) 
[475.409225][T18157] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[475.409738][T18157] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[475.410123][T18157] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[475.410515][T18157] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[475.410895][T18157] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[475.411275][T18157] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  475.411750][T18157] RIP: 0033:0x7f8376b4d1e7
[ 475.412125][T18157] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  475.413455][T18157] RSP: 002b:00007ffcc52add08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  475.413979][T18157] RAX: ffffffffffffffda RBX: 00007ffcc52ae430 RCX: 00007f8376b4d1e7
[  475.414540][T18157] RDX: 0000000000000000 RSI: 00007ffcc52add70 RDI: 0000000000000005
[  475.415147][T18157] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  475.415717][T18157] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc52ae468
[  475.416262][T18157] R13: 00000000686e35c2 R14: 0000000000499600 R15: 0000000000000000
| [  475.590981][T18158] ------------[ cut here ]------------
| [475.591360][T18158] WARNING: CPU: 2 PID: 18158 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  475.592177][T18158] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  475.593665][T18158] Tainted: [W]=WARN
[  475.594077][T18158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[475.594537][T18158] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 475.594913][T18158] 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
[  475.596236][T18158] RSP: 0018:ffffc90005d57080 EFLAGS: 00010246
[  475.596724][T18158] RAX: 0000000000000000 RBX: ffff88801002a000 RCX: 0000000000000001
[  475.597275][T18158] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  475.597815][T18158] RBP: ffffc90005d57168 R08: 0000000000000000 R09: 0000000000000000
[  475.598376][T18158] R10: ffffc90005d57198 R11: ffffffff992a8918 R12: 1ffff92000baae14
[  475.598941][T18158] R13: 00000000000005dc R14: ffffc90005d57198 R15: ffff88801002af08
[  475.599502][T18158] FS:  00007fb77ee07800(0000) GS:ffff888094fb7000(0000) knlGS:0000000000000000
[  475.600135][T18158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  475.600600][T18158] CR2: 00000000004a1738 CR3: 0000000013b6f004 CR4: 0000000000772ef0
[  475.601144][T18158] PKRU: 55555554
[  475.601445][T18158] Call Trace:
[  475.601726][T18158]  <TASK>
[475.601923][T18158] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[475.602296][T18158] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[475.602680][T18158] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[475.603134][T18158] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[475.603509][T18158] netif_set_mtu (net/core/dev.c:9652) 
[475.603877][T18158] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[475.604249][T18158] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[475.604758][T18158] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[475.605046][T18158] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[475.605542][T18158] br_add_if (net/bridge/br_if.c:697) bridge 
[475.605949][T18158] do_set_master (net/core/rtnetlink.c:2948) 
[475.606339][T18158] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[475.606716][T18158] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[475.607079][T18158] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[475.607455][T18158] ? __dev_get_by_name (net/core/dev.c:865) 
[475.607829][T18158] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.608199][T18158] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[475.608585][T18158] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[475.608948][T18158] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.609319][T18158] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[475.609698][T18158] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[475.610067][T18158] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.610457][T18158] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[475.610820][T18158] ? __lock_release (kernel/locking/lockdep.c:5539) 
[475.611185][T18158] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[475.611580][T18158] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[475.611958][T18158] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.612328][T18158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.612699][T18158] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[475.613065][T18158] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[475.613438][T18158] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[475.613806][T18158] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[475.614162][T18158] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[475.614540][T18158] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[475.614901][T18158] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[475.615262][T18158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[475.615639][T18158] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[475.616006][T18158] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[475.616379][T18158] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[475.616768][T18158] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[475.617152][T18158] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[475.617526][T18158] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[475.617961][T18158] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[475.618333][T18158] ___sys_sendmsg (net/socket.c:2670) 
[475.618718][T18158] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[475.619085][T18158] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[475.619477][T18158] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[475.619853][T18158] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[475.620221][T18158] ? __handle_mm_fault (mm/memory.c:6212) 
[475.620616][T18158] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[475.621001][T18158] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[475.621410][T18158] __sys_sendmsg (net/socket.c:2700) 
[475.621785][T18158] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[475.622150][T18158] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[475.622542][T18158] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[475.622904][T18158] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[475.623302][T18158] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[475.623673][T18158] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  475.624114][T18158] RIP: 0033:0x7fb77efd41e7
[ 475.624492][T18158] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  475.625754][T18158] RSP: 002b:00007ffdcc94ae08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  475.626301][T18158] RAX: ffffffffffffffda RBX: 00007ffdcc94b530 RCX: 00007fb77efd41e7
[  475.626868][T18158] RDX: 0000000000000000 RSI: 00007ffdcc94ae70 RDI: 0000000000000005
[  475.627413][T18158] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  475.627934][T18158] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdcc94b568
[  475.628549][T18158] R13: 00000000686e35c2 R14: 0000000000499600 R15: 0000000000000000
| [  829.819233][ T2932] ------------[ cut here ]------------
| [ 829.819603][ T2932] WARNING: CPU: 3 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) 
| [  829.820279][ T2932] Modules linked in: act_gact cls_flower dummy sch_ingress bridge stp llc 8021q vrf veth
| [  829.822486][ T2932] Tainted: [W]=WARN
[  829.822742][ T2932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 829.823167][ 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) 
[ 829.823550][ 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
[  829.824766][ T2932] RSP: 0018:ffffc900017a6f70 EFLAGS: 00010246
[  829.825198][ T2932] RAX: 0000000000000000 RBX: ffff8880096e2000 RCX: 0000000000000001
[  829.825712][ T2932] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  829.826216][ T2932] RBP: ffffc900017a7058 R08: 0000000000000000 R09: 0000000000000000
[  829.826726][ T2932] R10: ffffc900017a7088 R11: ffffffff94800130 R12: 1ffff920002f4df2
[  829.827234][ T2932] R13: 00000000000005dc R14: ffffc900017a7088 R15: ffff8880096e2f08
[  829.827760][ T2932] FS:  00007f5dce4e9800(0000) GS:ffff888095037000(0000) knlGS:0000000000000000
[  829.828348][ T2932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  829.828780][ T2932] CR2: 00000000004e5ab0 CR3: 0000000014236006 CR4: 0000000000772ef0
[  829.829296][ T2932] PKRU: 55555554
[  829.829560][ T2932] Call Trace:
[  829.829813][ T2932]  <TASK>
[ 829.829990][ 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) 
[ 829.830430][ T2932] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 829.830816][ T2932] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 829.831153][ T2932] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 829.831520][ T2932] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 829.831872][ T2932] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 829.832216][ T2932] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 829.832566][ T2932] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 829.832904][ T2932] ? ___sys_sendmsg (net/socket.c:2670) 
[ 829.833239][ T2932] ? __sys_sendmsg (net/socket.c:2700) 
[ 829.833584][ T2932] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 829.833922][ T2932] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 829.834343][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 829.834700][ T2932] netif_set_mtu (net/core/dev.c:9652) 
[ 829.835039][ T2932] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 829.835420][ T2932] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 829.835677][ T2932] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 829.836142][ T2932] br_del_if (net/bridge/br_if.c:743) bridge 
[ 829.836521][ T2932] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 829.836857][ T2932] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 829.837197][ T2932] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 829.837546][ T2932] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 829.837981][ T2932] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 829.838322][ T2932] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 829.838673][ T2932] ? __kernel_text_address (kernel/extable.c:79) 
[ 829.839018][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 829.839366][ 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) 
[ 829.839728][ T2932] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 829.840148][ T2932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 829.840496][ T2932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 829.840830][ T2932] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 829.841166][ T2932] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 829.841514][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 829.841861][ T2932] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 829.842194][ T2932] ? __create_object (mm/kmemleak.c:771) 
[ 829.842542][ T2932] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 829.842877][ T2932] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 829.843214][ T2932] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 829.843655][ T2932] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 829.844002][ T2932] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 829.844353][ T2932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 829.844704][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 829.845048][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 829.845385][ T2932] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 829.845732][ T2932] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 829.846068][ T2932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 829.846421][ T2932] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 829.846759][ T2932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 829.847099][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 829.847468][ T2932] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 829.847806][ T2932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 829.848144][ T2932] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 829.848500][ T2932] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 829.848836][ 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) 
[ 829.849173][ T2932] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 829.849525][ T2932] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 829.849862][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 829.850203][ T2932] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 829.850554][ T2932] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 829.850895][ T2932] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 829.851241][ T2932] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 829.851604][ T2932] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 829.851951][ T2932] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 829.852386][ T2932] ___sys_sendmsg (net/socket.c:2670) 
[ 829.852732][ T2932] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 829.853070][ 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) 
[ 829.853500][ T2932] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 829.853840][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 829.854180][ T2932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 829.854542][ T2932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 829.854883][ 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) 
[ 829.855221][ T2932] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 829.855593][ T2932] __sys_sendmsg (net/socket.c:2700) 
[ 829.855928][ T2932] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 829.856350][ T2932] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 829.856712][ T2932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 829.857055][ T2932] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 829.857405][ T2932] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  829.857827][ T2932] RIP: 0033:0x7f5dce6b61e7
[ 829.858175][ 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)
[  829.859387][ T2932] RSP: 002b:00007ffd46302cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  829.859925][ T2932] RAX: ffffffffffffffda RBX: 00007ffd46303400 RCX: 00007f5dce6b61e7
[  829.860438][ T2932] RDX: 0000000000000000 RSI: 00007ffd46302d40 RDI: 0000000000000005
[  829.860943][ T2932] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  829.861461][ T2932] R10: 00007f5dce5b3ee8 R11: 0000000000000246 R12: 0000000000000003
[  829.861980][ T2932] R13: 00000000686e3724 R14: 0000000000499600 R15: 0000000000000000
| [  830.426447][ T2936] ------------[ cut here ]------------
| [ 830.426785][ 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) 
| [  830.427426][ T2936] Modules linked in: act_gact cls_flower dummy sch_ingress bridge stp llc 8021q vrf veth
| [  830.428655][ T2936] Tainted: [W]=WARN
[  830.428910][ T2936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 830.429307][ 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) 
[ 830.429636][ 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
[  830.430798][ T2936] RSP: 0018:ffffc900017d6f70 EFLAGS: 00010246
[  830.431195][ T2936] RAX: 0000000000000000 RBX: ffff8880096e2000 RCX: 0000000000000001
[  830.431672][ T2936] RDX: 0000000000000000 RSI: ffffffff9849b941 RDI: ffffffff97c555e0
[  830.432156][ T2936] RBP: ffffc900017d7058 R08: 0000000000000000 R09: 0000000000000000
[  830.434176][ T2936] R10: ffffc900017d7088 R11: ffffffff98979160 R12: 1ffff920002fadf2
[  830.434680][ T2936] R13: 00000000000005dc R14: ffffc900017d7088 R15: ffff8880096e2f08
[  830.435141][ T2936] FS:  00007f6f10ab9800(0000) GS:ffff888094f37000(0000) knlGS:0000000000000000
[  830.435713][ T2936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  830.436104][ T2936] CR2: 00000000004e5aa8 CR3: 00000000061eb004 CR4: 0000000000772ef0
[  830.436608][ T2936] PKRU: 55555554
[  830.436838][ T2936] Call Trace:
[  830.437092][ T2936]  <TASK>
[ 830.437252][ 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) 
[ 830.437670][ T2936] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 830.438032][ T2936] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 830.438339][ T2936] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 830.438677][ T2936] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 830.438988][ T2936] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 830.439306][ T2936] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 830.439658][ T2936] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 830.439972][ T2936] ? ___sys_sendmsg (net/socket.c:2670) 
[ 830.440294][ T2936] ? __sys_sendmsg (net/socket.c:2700) 
[ 830.440610][ T2936] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 830.440941][ T2936] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 830.441321][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 830.441651][ T2936] netif_set_mtu (net/core/dev.c:9652) 
[ 830.441982][ T2936] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 830.442332][ T2936] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 830.442579][ T2936] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 830.443008][ T2936] br_del_if (net/bridge/br_if.c:743) bridge 
[ 830.443349][ T2936] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 830.443699][ T2936] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 830.444026][ T2936] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 830.444341][ T2936] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 830.444757][ T2936] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 830.445078][ T2936] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 830.445409][ T2936] ? __kernel_text_address (kernel/extable.c:79) 
[ 830.445732][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 830.446042][ 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) 
[ 830.446369][ T2936] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 830.446768][ T2936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 830.447078][ T2936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 830.447383][ T2936] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 830.447735][ T2936] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 830.448044][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 830.448365][ T2936] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 830.448677][ T2936] ? __create_object (mm/kmemleak.c:771) 
[ 830.448990][ T2936] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 830.449319][ T2936] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 830.449650][ T2936] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 830.450031][ T2936] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 830.450344][ T2936] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 830.450665][ T2936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 830.450968][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 830.451279][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 830.451608][ T2936] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 830.451965][ T2936] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 830.452273][ T2936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 830.452590][ T2936] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 830.452897][ T2936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 830.453226][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 830.453549][ T2936] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 830.453854][ T2936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 830.454161][ T2936] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 830.454486][ T2936] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 830.454793][ 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) 
[ 830.455103][ T2936] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 830.455434][ T2936] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 830.455754][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 830.456072][ T2936] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 830.456404][ T2936] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 830.456717][ T2936] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 830.457037][ T2936] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 830.457370][ T2936] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 830.457696][ T2936] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 830.458106][ T2936] ___sys_sendmsg (net/socket.c:2670) 
[ 830.458428][ T2936] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 830.458752][ 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) 
[ 830.459142][ T2936] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 830.459482][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 830.459804][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 830.460124][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 830.460452][ 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) 
[ 830.460771][ T2936] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 830.461087][ T2936] __sys_sendmsg (net/socket.c:2700) 
[ 830.461418][ T2936] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 830.461815][ T2936] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 830.462184][ T2936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 830.462511][ T2936] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 830.462826][ T2936] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  830.463213][ T2936] RIP: 0033:0x7f6f10c861e7
[ 830.463577][ 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)
[  830.464919][ T2936] RSP: 002b:00007ffd23efafc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  830.465420][ T2936] RAX: ffffffffffffffda RBX: 00007ffd23efb6f0 RCX: 00007f6f10c861e7
[  830.465878][ T2936] RDX: 0000000000000000 RSI: 00007ffd23efb030 RDI: 0000000000000005
[  830.466345][ T2936] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  830.466821][ T2936] R10: 00007f6f10b83ee8 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