======================================
| xx__-> [    9.080682][  T179] ------------[ cut here ]------------
| [    9.080943][  T179] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/179
| [    9.081247][  T179] Modules linked in:
| [    9.081750][  T179] Tainted: [W]=WARN
[    9.081897][  T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.082165][  T179] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.082389][  T179] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.082907][  T179] RSP: 0018:ffa0000000917aa8 EFLAGS: 00010286
[    9.083133][  T179] RAX: 00000000ffffffa6 RBX: ff11000009739b40 RCX: 1ff4000000122f1b
[    9.083375][  T179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009739bf0
[    9.083627][  T179] RBP: ff1100000a2bc000 R08: 1fe22000012e737f R09: ff1100000b23ae80
[    9.083900][  T179] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.084150][  T179] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a2bc000
[    9.084393][  T179] FS:  00007f039f5f3840(0000) GS:ff110000a2a1a000(0000) knlGS:0000000000000000
[    9.084674][  T179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.084884][  T179] CR2: 0000000000479648 CR3: 000000000b24f005 CR4: 0000000000771ef0
[    9.085142][  T179] PKRU: 55555554
[    9.085286][  T179] Call Trace:
[    9.085429][  T179]  <TASK>
[    9.085543][  T179]  ? ip6_route_dev_notify (net/ipv6/route.c:6484)
[    9.085728][  T179]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.085972][  T179]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.086168][  T179]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.086322][  T179]  register_netdevice (net/core/dev.c:11488)
[    9.086501][  T179]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.086725][  T179]  register_netdev (net/core/dev.c:11552)
[    9.086903][  T179]  loopback_net_init (drivers/net/loopback.c:218)
[    9.087096][  T179]  ops_init (net/core/net_namespace.c:137)
[    9.087245][  T179]  setup_net (net/core/net_namespace.c:446)
[    9.087391][  T179]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.087577][  T179]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.087758][  T179]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.087936][  T179]  copy_net_ns (net/core/net_namespace.c:579)
[    9.088127][  T179]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.088306][  T179]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.088483][  T179]  ksys_unshare (kernel/fork.c:3243)
[    9.088672][  T179]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.088855][  T179]  ? __ia32_sys_open (fs/open.c:1374)
[    9.089034][  T179]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.089222][  T179]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.089399][  T179]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.089582][  T179]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.089759][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.089936][  T179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.090155][  T179] RIP: 0033:0x7f039f8b5bcb
[    9.090344][  T179] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.090851][  T179] RSP: 002b:00007fffad7aa5f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.091106][  T179] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f039f8b5bcb
[    9.091347][  T179] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.091595][  T179] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.091834][  T179] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffad7ac820
[    9.092085][  T179] R13: 0000000000000001 R14: 00007f039f5f36f8 R15: 00007fffad7ad83a
| [    9.123648][  T180] ------------[ cut here ]------------
| [    9.123805][  T180] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/180
| [    9.124038][  T180] Modules linked in:
| [    9.124809][  T180] Tainted: [W]=WARN
[    9.124909][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.125079][  T180] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.125253][  T180] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.125719][  T180] RSP: 0018:ffa0000000927aa8 EFLAGS: 00010286
[    9.125885][  T180] RAX: 00000000ffffffa6 RBX: ff11000009380c40 RCX: 1ff4000000124f1b
[    9.126087][  T180] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009380cf0
[    9.126282][  T180] RBP: ff110000058f4000 R08: 1fe220000127019f R09: ff1100000b23d180
[    9.126476][  T180] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.126677][  T180] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058f4000
[    9.126874][  T180] FS:  00007f4ead2a6840(0000) GS:ff110000a2a9a000(0000) knlGS:0000000000000000
[    9.127109][  T180] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.127275][  T180] CR2: 00007f4ead61f493 CR3: 000000000c437006 CR4: 0000000000771ef0
[    9.127474][  T180] PKRU: 55555554
[    9.127577][  T180] Call Trace:
[    9.127677][  T180]  <TASK>
[    9.127747][  T180]  ? ip6_route_dev_notify (net/ipv6/route.c:6484)
[    9.127879][  T180]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.128009][  T180]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.128145][  T180]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.128244][  T180]  register_netdevice (net/core/dev.c:11488)
[    9.128378][  T180]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.128544][  T180]  register_netdev (net/core/dev.c:11552)
[    9.128691][  T180]  loopback_net_init (drivers/net/loopback.c:218)
[    9.128823][  T180]  ops_init (net/core/net_namespace.c:137)
[    9.128925][  T180]  setup_net (net/core/net_namespace.c:446)
[    9.129024][  T180]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.129160][  T180]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.129292][  T180]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.129436][  T180]  copy_net_ns (net/core/net_namespace.c:579)
[    9.129572][  T180]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.129707][  T180]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.129839][  T180]  ksys_unshare (kernel/fork.c:3243)
[    9.129971][  T180]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.130109][  T180]  ? __ia32_sys_open (fs/open.c:1374)
[    9.130246][  T180]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.130377][  T180]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.130508][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.130645][  T180]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.130776][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.130907][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.131075][  T180] RIP: 0033:0x7f4ead568bcb
[    9.131214][  T180] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.131681][  T180] RSP: 002b:00007ffd30e73e78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.131879][  T180] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4ead568bcb
[    9.132079][  T180] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.132273][  T180] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.132466][  T180] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd30e760a0
[    9.132667][  T180] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd30e7683a
| [    9.170280][  T181] ------------[ cut here ]------------
| [    9.170517][  T181] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/181
| [    9.170812][  T181] Modules linked in:
| [    9.171375][  T181] Tainted: [W]=WARN
[    9.171526][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.171748][  T181] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.171973][  T181] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.172568][  T181] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[    9.172803][  T181] RAX: 00000000ffffffa6 RBX: ff11000009381540 RCX: 1ff4000000112d8c
[    9.173052][  T181] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093815f0
[    9.173393][  T181] RBP: ff11000007a34000 R08: 1fe22000012702bf R09: ff1100000c71d180
[    9.173794][  T181] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.174173][  T181] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a57f500
[    9.174502][  T181] FS:  00007fd66d927840(0000) GS:ff110000a2a1a000(0000) knlGS:0000000000000000
[    9.174867][  T181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.175094][  T181] CR2: 00000000004eb188 CR3: 000000000c567001 CR4: 0000000000771ef0
[    9.175343][  T181] PKRU: 55555554
[    9.175495][  T181] Call Trace:
[    9.175650][  T181]  <TASK>
[    9.175768][  T181]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    9.175955][  T181]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.176153][  T181]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.176304][  T181]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.176488][  T181]  __dev_notify_flags (net/core/dev.c:9787)
[    9.176675][  T181]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.176856][  T181]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.177038][  T181]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.177235][  T181]  ? netif_change_name (net/core/dev.c:1495)
[    9.177417][  T181]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[    9.177641][  T181]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.177828][  T181]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.178011][  T181]  veth_newlink (drivers/net/veth.c:1871)
[    9.178207][  T181]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.178390][  T181]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.178580][  T181]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.178762][  T181]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.178960][  T181]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.179152][  T181]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.179338][  T181]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.179519][  T181]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.179715][  T181]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.179899][  T181]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.180095][  T181]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.180277][  T181]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.180461][  T181]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.180657][  T181]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.180848][  T181]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.181032][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.181232][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.181416][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.181604][  T181]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.181788][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.181976][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.182174][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.182356][  T181]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.182543][  T181]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.182732][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.182915][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.183113][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.183295][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.183478][  T181]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.183670][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.183856][  T181]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.184046][  T181]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.184241][  T181]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.184428][  T181]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.184619][  T181]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.184804][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.184989][  T181]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.185186][  T181]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.185374][  T181]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.185566][  T181]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.185750][  T181]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.185931][  T181]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.186160][  T181]  ? move_addr_to_kernel (net/socket.c:258)
[    9.186345][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.186530][  T181]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.186728][  T181]  ___sys_sendmsg (net/socket.c:2752)
[    9.186909][  T181]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.187104][  T181]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.187292][  T181]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.187480][  T181]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.187674][  T181]  __sys_sendmsg (net/socket.c:2784)
[    9.187858][  T181]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.188043][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.188243][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.188426][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.188617][  T181]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.188801][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.188984][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.189213][  T181] RIP: 0033:0x7fd66db6108e
[    9.189402][  T181] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.189932][  T181] RSP: 002b:00007fffc93f4a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.190198][  T181] RAX: ffffffffffffffda RBX: 00007fffc93f51b8 RCX: 00007fd66db6108e
[    9.190447][  T181] RDX: 0000000000000000 RSI: 00007fffc93f4ac0 RDI: 0000000000000005
[    9.190701][  T181] RBP: 00007fffc93f4a20 R08: 0000000000000000 R09: 0000000000000000
[    9.191049][  T181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e560
[    9.191308][  T181] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc93f5190
| [    9.200593][  T181] ------------[ cut here ]------------
| [    9.200744][  T181] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/181
| [    9.200976][  T181] Modules linked in:
| [    9.201773][  T181] Tainted: [W]=WARN
[    9.201873][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.202037][  T181] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.202216][  T181] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.202691][  T181] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[    9.202860][  T181] RAX: 00000000ffffffa6 RBX: ff11000004e5a940 RCX: 1ff4000000112dfc
[    9.203057][  T181] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e5a9f0
[    9.203259][  T181] RBP: ff1100000d244000 R08: 1fe22000009cb53f R09: ff1100000c71d180
[    9.203458][  T181] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.203659][  T181] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8a412fa0
[    9.203856][  T181] FS:  00007fd66d927840(0000) GS:ff110000a2a9a000(0000) knlGS:0000000000000000
[    9.204094][  T181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.204262][  T181] CR2: 00005636d3277d5c CR3: 000000000c567003 CR4: 0000000000771ef0
[    9.204467][  T181] PKRU: 55555554
[    9.204573][  T181] Call Trace:
[    9.204672][  T181]  <TASK>
[    9.204741][  T181]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.204875][  T181]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.204975][  T181]  __dev_notify_flags (net/core/dev.c:9787)
[    9.205114][  T181]  ? netif_change_name (net/core/dev.c:1495)
[    9.205250][  T181]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.205382][  T181]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.205530][  T181]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.205665][  T181]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.205798][  T181]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.205928][  T181]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.206062][  T181]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.206209][  T181]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.206345][  T181]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.206478][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.206617][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.206749][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.206880][  T181]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.207013][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.207154][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.207287][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.207418][  T181]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.207551][  T181]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.207687][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.207821][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.207956][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.208094][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.208230][  T181]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.208361][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.208491][  T181]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.208630][  T181]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.208763][  T181]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.208896][  T181]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.209029][  T181]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.209167][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.209302][  T181]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.209434][  T181]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.209577][  T181]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.209713][  T181]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.209845][  T181]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.209975][  T181]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.210143][  T181]  ? move_addr_to_kernel (net/socket.c:258)
[    9.210276][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.210409][  T181]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.210542][  T181]  ___sys_sendmsg (net/socket.c:2752)
[    9.210676][  T181]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.210807][  T181]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.210942][  T181]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.211083][  T181]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.211219][  T181]  __sys_sendmsg (net/socket.c:2784)
[    9.211353][  T181]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.211490][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.211629][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.211761][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.211904][  T181]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.212037][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.212176][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.212341][  T181] RIP: 0033:0x7fd66db6108e
[    9.212481][  T181] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.212953][  T181] RSP: 002b:00007fffc93f4a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.213161][  T181] RAX: ffffffffffffffda RBX: 00007fffc93f51b8 RCX: 00007fd66db6108e
[    9.213359][  T181] RDX: 0000000000000000 RSI: 00007fffc93f4ac0 RDI: 0000000000000005
[    9.213557][  T181] RBP: 00007fffc93f4a20 R08: 0000000000000000 R09: 0000000000000000
[    9.213755][  T181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e560
[    9.213951][  T181] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc93f5190
| [    9.252211][  T183] ------------[ cut here ]------------
| [    9.252410][  T183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/183
| [    9.252707][  T183] Modules linked in:
| [    9.253699][  T183] Tainted: [W]=WARN
[    9.253846][  T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.254060][  T183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.254300][  T183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.254838][  T183] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[    9.255053][  T183] RAX: 00000000ffffffa6 RBX: ff11000004e5bcc0 RCX: 1ff4000000126d8c
[    9.255312][  T183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e5bd70
[    9.255566][  T183] RBP: ff11000007e2c000 R08: 1fe22000009cb7af R09: ff1100000cb2ae80
[    9.255816][  T183] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.256076][  T183] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a7c0080
[    9.256325][  T183] FS:  00007fd3b9c69840(0000) GS:ff110000a2a1a000(0000) knlGS:0000000000000000
[    9.256615][  T183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.256834][  T183] CR2: 00000000004eb188 CR3: 000000000ca49003 CR4: 0000000000771ef0
[    9.257107][  T183] PKRU: 55555554
[    9.257254][  T183] Call Trace:
[    9.257402][  T183]  <TASK>
[    9.257518][  T183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.257710][  T183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.257859][  T183]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.258088][  T183]  __dev_notify_flags (net/core/dev.c:9787)
[    9.258275][  T183]  ? netif_change_name (net/core/dev.c:1495)
[    9.258454][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.258639][  T183]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.258819][  T183]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.259001][  T183]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.259201][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.259386][  T183]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.259578][  T183]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.259759][  T183]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.259940][  T183]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.260137][  T183]  veth_newlink (drivers/net/veth.c:1871)
[    9.260322][  T183]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.260502][  T183]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.260694][  T183]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.260877][  T183]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.261087][  T183]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.261269][  T183]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.261452][  T183]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.261642][  T183]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.261825][  T183]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.262008][  T183]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.262209][  T183]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.262390][  T183]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.262580][  T183]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.262768][  T183]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.262954][  T183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.263154][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.263333][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.263516][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.263707][  T183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.263889][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.264087][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.264270][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.264456][  T183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.264644][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.264825][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.265005][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.265206][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.265388][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.265577][  T183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.265760][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.265940][  T183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.266138][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.266316][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.266501][  T183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.266693][  T183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.266877][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.267103][  T183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.267289][  T183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.267471][  T183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.267665][  T183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.267850][  T183]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.268035][  T183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.268265][  T183]  ? move_addr_to_kernel (net/socket.c:258)
[    9.268450][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.268640][  T183]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.268822][  T183]  ___sys_sendmsg (net/socket.c:2752)
[    9.269002][  T183]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.269199][  T183]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.269387][  T183]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.269579][  T183]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.269761][  T183]  __sys_sendmsg (net/socket.c:2784)
[    9.269944][  T183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.270143][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.270327][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.270510][  T183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.270705][  T183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.270890][  T183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.271087][  T183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.271300][  T183] RIP: 0033:0x7fd3b9ea308e
[    9.271489][  T183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.272019][  T183] RSP: 002b:00007fff57ee7e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.272285][  T183] RAX: ffffffffffffffda RBX: 00007fff57ee8638 RCX: 00007fd3b9ea308e
[    9.272529][  T183] RDX: 0000000000000000 RSI: 00007fff57ee7f40 RDI: 0000000000000005
[    9.272782][  T183] RBP: 00007fff57ee7ea0 R08: 0000000000000000 R09: 0000000000000000
[    9.273026][  T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e560
[    9.273284][  T183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff57ee8610
| [    9.283646][  T183] ------------[ cut here ]------------
| [    9.283906][  T183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/183
| [    9.284257][  T183] Modules linked in:
| [    9.284869][  T183] Tainted: [W]=WARN
[    9.285086][  T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.285363][  T183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.285657][  T183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.286354][  T183] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[    9.286639][  T183] RAX: 00000000ffffffa6 RBX: ff1100000e56c1c0 RCX: 1ff4000000126dfc
[    9.286939][  T183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e56c270
[    9.287256][  T183] RBP: ff1100000a2ac000 R08: 1fe2200001cad84f R09: ff1100000cb2ae80
[    9.287596][  T183] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.287898][  T183] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8a412fa0
[    9.288213][  T183] FS:  00007fd3b9c69840(0000) GS:ff110000a2a1a000(0000) knlGS:0000000000000000
[    9.288550][  T183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.288848][  T183] CR2: 00000000004eb188 CR3: 000000000ca49003 CR4: 0000000000771ef0
[    9.289163][  T183] PKRU: 55555554
[    9.289367][  T183] Call Trace:
[    9.289578][  T183]  <TASK>
[    9.289751][  T183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.289987][  T183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.290206][  T183]  __dev_notify_flags (net/core/dev.c:9787)
[    9.290442][  T183]  ? netif_change_name (net/core/dev.c:1495)
[    9.290631][  T183]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.290814][  T183]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.290998][  T183]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.291202][  T183]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.291384][  T183]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.291572][  T183]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.291775][  T183]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.291961][  T183]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.292155][  T183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.292338][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.292523][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.292708][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.292910][  T183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.293102][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.293288][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.293470][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.293661][  T183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.293845][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.294029][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.294235][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.294417][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.294605][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.294789][  T183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.294968][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.295162][  T183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.295364][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.295544][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.295733][  T183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.295915][  T183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.296110][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.296290][  T183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.296472][  T183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.296676][  T183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.296863][  T183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.297044][  T183]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.297238][  T183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.297447][  T183]  ? move_addr_to_kernel (net/socket.c:258)
[    9.297635][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.297833][  T183]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.298016][  T183]  ___sys_sendmsg (net/socket.c:2752)
[    9.298210][  T183]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.298392][  T183]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.298583][  T183]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.298768][  T183]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.298951][  T183]  __sys_sendmsg (net/socket.c:2784)
[    9.299164][  T183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.299347][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.299527][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.299718][  T183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.299897][  T183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.300090][  T183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.300288][  T183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.300499][  T183] RIP: 0033:0x7fd3b9ea308e
[    9.300694][  T183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.301235][  T183] RSP: 002b:00007fff57ee7e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.301500][  T183] RAX: ffffffffffffffda RBX: 00007fff57ee8638 RCX: 00007fd3b9ea308e
[    9.301751][  T183] RDX: 0000000000000000 RSI: 00007fff57ee7f40 RDI: 0000000000000005
[    9.301996][  T183] RBP: 00007fff57ee7ea0 R08: 0000000000000000 R09: 0000000000000000
[    9.302251][  T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e560
[    9.302510][  T183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff57ee8610
| [    9.348288][  T184] ------------[ cut here ]------------
| [    9.348470][  T184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/184
| [    9.348714][  T184] Modules linked in:
| [    9.349808][  T184] Tainted: [W]=WARN
[    9.349912][  T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.350093][  T184] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.350274][  T184] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.350758][  T184] RSP: 0018:ffa00000009471b0 EFLAGS: 00010286
[    9.350931][  T184] RAX: 00000000ffffffa6 RBX: ff1100000e56d240 RCX: 1ff4000000128dfc
[    9.351142][  T184] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e56d2f0
[    9.351347][  T184] RBP: ff1100000b2ea000 R08: 1fe2200001cada5f R09: ff1100000cb28b80
[    9.351548][  T184] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.351753][  T184] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8a5207a0
[    9.351960][  T184] FS:  00007fb76cc71840(0000) GS:ff110000a291a000(0000) knlGS:0000000000000000
[    9.352203][  T184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.352371][  T184] CR2: 00000000004a04a0 CR3: 000000000b050004 CR4: 0000000000771ef0
[    9.352575][  T184] PKRU: 55555554
[    9.352677][  T184] Call Trace:
[    9.352780][  T184]  <TASK>
[    9.352852][  T184]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.352990][  T184]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.353098][  T184]  __dev_notify_flags (net/core/dev.c:9787)
[    9.353238][  T184]  ? netif_change_name (net/core/dev.c:1495)
[    9.353374][  T184]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.353540][  T184]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.353682][  T184]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.353820][  T184]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[    9.353956][  T184]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.354095][  T184]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.354229][  T184]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.354363][  T184]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.354501][  T184]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.354641][  T184]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.354780][  T184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.354913][  T184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.355048][  T184]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.355188][  T184]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.355319][  T184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.355457][  T184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.355598][  T184]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.355732][  T184]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.355869][  T184]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.356002][  T184]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.356140][  T184]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.356274][  T184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.356406][  T184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.356540][  T184]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.356678][  T184]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.356811][  T184]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.356950][  T184]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.357089][  T184]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.357224][  T184]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.357358][  T184]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.357491][  T184]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.357634][  T184]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.357769][  T184]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.357909][  T184]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.358054][  T184]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.358194][  T184]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.358326][  T184]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.358489][  T184]  ? move_addr_to_kernel (net/socket.c:258)
[    9.358627][  T184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.358761][  T184]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.358898][  T184]  ___sys_sendmsg (net/socket.c:2752)
[    9.359031][  T184]  ? wp_page_copy (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/page_ref.h:205 ./include/linux/mm.h:1767 ./include/linux/mm.h:1772 ./include/linux/mm.h:2089 mm/memory.c:3989)
[    9.359171][  T184]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.359309][  T184]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.359446][  T184]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.359584][  T184]  __sys_sendmsg (net/socket.c:2784)
[    9.359719][  T184]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.359857][  T184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.359991][  T184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.360131][  T184]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.360268][  T184]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.360401][  T184]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.360535][  T184]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.360706][  T184] RIP: 0033:0x7fb76ceab08e
[    9.360848][  T184] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.361330][  T184] RSP: 002b:00007ffe77d4d9f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.361533][  T184] RAX: ffffffffffffffda RBX: 00007ffe77d4e198 RCX: 00007fb76ceab08e
[    9.361746][  T184] RDX: 0000000000000000 RSI: 00007ffe77d4daa0 RDI: 0000000000000005
[    9.361948][  T184] RBP: 00007ffe77d4da00 R08: 0000000000000000 R09: 0000000000000000
[    9.362151][  T184] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e560
[    9.362351][  T184] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe77d4e170
| [    9.389511][  T185] ------------[ cut here ]------------
| [    9.389677][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.389911][  T185] Modules linked in:
| [    9.390290][  T185] Tainted: [W]=WARN
[    9.390391][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.390556][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.390738][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.391836][  T185] RSP: 0018:ffa0000000957020 EFLAGS: 00010286
[    9.392012][  T185] RAX: 00000000ffffffa6 RBX: ff1100000e56de40 RCX: 1ff400000012adca
[    9.392216][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e56def0
[    9.392412][  T185] RBP: ff1100000b2ea000 R08: 1fe2200001cadbdf R09: ff1100000c8a0b58
[    9.392611][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.392806][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.393002][  T185] FS:  00007f6945b84840(0000) GS:ff110000a2a9a000(0000) knlGS:0000000000000000
[    9.393237][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.393404][  T185] CR2: 0000000034d16988 CR3: 000000000d0f7006 CR4: 0000000000771ef0
[    9.393602][  T185] PKRU: 55555554
[    9.393701][  T185] Call Trace:
[    9.393802][  T185]  <TASK>
[    9.393871][  T185]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    9.394006][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.394292][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.394393][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.394524][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.394661][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.394792][  T185]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.394921][  T185]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.395051][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.395268][  T185]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.395402][  T185]  netif_change_flags (net/core/dev.c:9820)
[    9.395533][  T185]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.395668][  T185]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.395802][  T185]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.395935][  T185]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.396178][  T185]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.396309][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.396438][  T185]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.396570][  T185]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.396706][  T185]  ? __kernel_text_address (kernel/extable.c:79)
[    9.396841][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.396972][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.397178][  T185]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.397404][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.397534][  T185]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.397667][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.397796][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.397927][  T185]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.398057][  T185]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.398246][  T185]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.398376][  T185]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.398506][  T185]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.398642][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.398775][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.398906][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.399037][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.399222][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.399352][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.399482][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.399618][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.399748][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.399877][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.400008][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.400195][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.400327][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.400456][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.400591][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.400720][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.400851][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.400980][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.401168][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.401299][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.401430][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.401566][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.401697][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.401833][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.401964][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.402112][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.402244][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.402376][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.402507][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.402644][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.402776][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.402905][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.403073][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.403208][  T185]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.403339][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.403471][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.403606][  T185]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.403767][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.403911][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.404053][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.404190][  T185]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.404353][  T185]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.404485][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.404621][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.404751][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.404883][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.405013][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.405185][  T185] RIP: 0033:0x7f6945dbe08e
[    9.405323][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.405789][  T185] RSP: 002b:00007ffc5afb7b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.405987][  T185] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6945dbe08e
[    9.406189][  T185] RDX: 0000000000000000 RSI: 00007ffc5afb7c40 RDI: 0000000000000005
[    9.406382][  T185] RBP: 00007ffc5afb7ba0 R08: 0000000000000000 R09: 0000000000000000
[    9.406583][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e560
[    9.406776][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5afb8310
| [   11.910434][  T281] ------------[ cut here ]------------
| [   11.910579][  T281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/281
| [   11.910822][  T281] Modules linked in:
| [   11.911923][  T281] Tainted: [W]=WARN
[   11.912030][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.912282][  T281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.912462][  T281] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.912955][  T281] RSP: 0018:ffa0000000bc6ed0 EFLAGS: 00010286
[   11.913137][  T281] RAX: 00000000ffffffa6 RBX: ff1100000e56cac0 RCX: 1ff4000000178da0
[   11.913340][  T281] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e56cb70
[   11.913560][  T281] RBP: ff11000007a34000 R08: 1fe2200001cad96f R09: ff1100000d1c0b58
[   11.913771][  T281] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.913976][  T281] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   11.914191][  T281] FS:  00007f7102a69840(0000) GS:ff110000a2a9a000(0000) knlGS:0000000000000000
[   11.914432][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.914615][  T281] CR2: 00000000004ebb20 CR3: 000000000caac005 CR4: 0000000000771ef0
[   11.914824][  T281] PKRU: 55555554
[   11.914926][  T281] Call Trace:
[   11.915028][  T281]  <TASK>
[   11.915107][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.915247][  T281]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.915386][  T281]  notifier_call_chain (kernel/notifier.c:85)
[   11.915530][  T281]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   11.915674][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.915814][  T281]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   11.915948][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.916092][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.916231][  T281]  ? __up_write (kernel/locking/rwsem.c:1418 (discriminator 1))
[   11.916369][  T281]  ? kernfs_add_one (fs/kernfs/dir.c:873)
[   11.916507][  T281]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   11.916648][  T281]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   11.916790][  T281]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   11.916928][  T281]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   11.917069][  T281]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   11.917204][  T281]  br_add_if (net/bridge/br_if.c:619)
[   11.917313][  T281]  do_set_master (net/core/rtnetlink.c:3011)
[   11.917483][  T281]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.917626][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   11.917766][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.917905][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.918079][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.918218][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.918358][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.918496][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.918639][  T281]  ? __kernel_text_address (kernel/extable.c:79)
[   11.918776][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.918914][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.919050][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.919193][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.919331][  T281]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.919471][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.919610][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.919751][  T281]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.919886][  T281]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.920021][  T281]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.920166][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.920303][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.920437][  T281]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.920580][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.920718][  T281]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.920856][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.920989][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.921129][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.921267][  T281]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.921401][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.921538][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.921677][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.921820][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.921957][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.922098][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.922235][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.922370][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.922504][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.922641][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.922777][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.922914][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.923050][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.923191][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.923326][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.923464][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.923605][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.923744][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.923887][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.924025][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.924168][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.924304][  T281]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.924439][  T281]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.924579][  T281]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.924714][  T281]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.924855][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.925024][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   11.925169][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.925306][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.925444][  T281]  ___sys_sendmsg (net/socket.c:2752)
[   11.925581][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.925750][  T281]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.925896][  T281]  __sys_sendmsg (net/socket.c:2784)
[   11.926034][  T281]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.926176][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.926346][  T281]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.926482][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.926649][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.926790][  T281]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.926932][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.927074][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.927243][  T281] RIP: 0033:0x7f7102ca308e
[   11.927388][  T281] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.927872][  T281] RSP: 002b:00007ffed0062130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.928090][  T281] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7102ca308e
[   11.928292][  T281] RDX: 0000000000000000 RSI: 00007ffed00621e0 RDI: 0000000000000005
[   11.928496][  T281] RBP: 00007ffed0062140 R08: 0000000000000000 R09: 0000000000000000
[   11.928706][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e563
[   11.928911][  T281] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed00628b0
| [   11.930698][  T281] ------------[ cut here ]------------
| [   11.930841][  T281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/281
| [   11.931095][  T281] Modules linked in:
| [   11.931791][  T281] Tainted: [W]=WARN
[   11.931897][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.932545][  T281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.932730][  T281] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.933434][  T281] RSP: 0018:ffa0000000bc6ed0 EFLAGS: 00010286
[   11.933616][  T281] RAX: 00000000ffffffa6 RBX: ff1100000e56c940 RCX: 1ff4000000178da0
[   11.933827][  T281] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e56c9f0
[   11.934036][  T281] RBP: ff11000007a34000 R08: 1fe2200001cad93f R09: ff1100000d1c0b58
[   11.934304][  T281] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   11.934511][  T281] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b2ead80
[   11.934732][  T281] FS:  00007f7102a69840(0000) GS:ff110000a2a9a000(0000) knlGS:0000000000000000
[   11.934983][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.935164][  T281] CR2: 00000000004ebb20 CR3: 000000000caac005 CR4: 0000000000771ef0
[   11.935375][  T281] PKRU: 55555554
[   11.935480][  T281] Call Trace:
[   11.935594][  T281]  <TASK>
[   11.935666][  T281]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.935806][  T281]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.935913][  T281]  __dev_notify_flags (net/core/dev.c:9787)
[   11.936054][  T281]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   11.936200][  T281]  ? netdev_notice (net/core/dev.c:13008)
[   11.936343][  T281]  ? netif_change_name (net/core/dev.c:1495)
[   11.936481][  T281]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   11.936643][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.936787][  T281]  __dev_set_promiscuity (net/core/dev.c:9630)
[   11.936928][  T281]  netif_set_promiscuity (net/core/dev.c:9639)
[   11.937083][  T281]  dev_set_promiscuity (net/core/dev_api.c:288)
[   11.937230][  T281]  br_manage_promisc (net/bridge/br_if.c:108 net/bridge/br_if.c:157)
[   11.937375][  T281]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   11.937488][  T281]  do_set_master (net/core/rtnetlink.c:3011)
[   11.937640][  T281]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.937784][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   11.937928][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.938075][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.938254][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.938401][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.938540][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.938688][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.938829][  T281]  ? __kernel_text_address (kernel/extable.c:79)
[   11.938968][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.939117][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.939256][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.939398][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.939538][  T281]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.939683][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.939824][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.939967][  T281]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.940115][  T281]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.940255][  T281]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.940416][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.940564][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.940709][  T281]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.940852][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.941004][  T281]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.941150][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.941288][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.941429][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.941574][  T281]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.941812][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.941955][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.942108][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.942249][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.942482][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.942628][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.942769][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.942908][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.943145][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.943285][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.943426][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.943566][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.943806][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.943945][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.944090][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.944234][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.944466][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.944619][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.944760][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.944899][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.945146][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.945286][  T281]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.945426][  T281]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.945572][  T281]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.945808][  T281]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.945950][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.946128][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   11.946268][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.946502][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.946650][  T281]  ___sys_sendmsg (net/socket.c:2752)
[   11.946788][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.946962][  T281]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.947220][  T281]  __sys_sendmsg (net/socket.c:2784)
[   11.947363][  T281]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.947504][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.947778][  T281]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.947917][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.948057][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.948204][  T281]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.948443][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.948586][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.948758][  T281] RIP: 0033:0x7f7102ca308e
[   11.948902][  T281] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.949497][  T281] RSP: 002b:00007ffed0062130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.949809][  T281] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7102ca308e
[   11.950015][  T281] RDX: 0000000000000000 RSI: 00007ffed00621e0 RDI: 0000000000000005
[   11.950230][  T281] RBP: 00007ffed0062140 R08: 0000000000000000 R09: 0000000000000000
[   11.950536][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e563
[   11.950748][  T281] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed00628b0
| [   11.953535][  T281] ------------[ cut here ]------------
| [   11.953700][  T281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/281
| [   11.953937][  T281] Modules linked in:
| [   11.954356][  T281] Tainted: [W]=WARN
[   11.954460][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.954646][  T281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.954821][  T281] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.955319][  T281] RSP: 0018:ffa0000000bc6ff8 EFLAGS: 00010286
[   11.955494][  T281] RAX: 00000000ffffffa6 RBX: ff1100000e56c1c0 RCX: 1ff4000000178dc5
[   11.955709][  T281] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e56c270
[   11.955916][  T281] RBP: ff1100000b2ea000 R08: 1fe2200001cad84f R09: ff1100000d1c0b58
[   11.956130][  T281] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   11.956340][  T281] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.956546][  T281] FS:  00007f7102a69840(0000) GS:ff110000a299a000(0000) knlGS:0000000000000000
[   11.956795][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.956972][  T281] CR2: 00007fc89f6b9888 CR3: 000000000caac003 CR4: 0000000000771ef0
[   11.957194][  T281] PKRU: 55555554
[   11.957301][  T281] Call Trace:
[   11.957409][  T281]  <TASK>
[   11.957488][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.957628][  T281]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.957766][  T281]  notifier_call_chain (kernel/notifier.c:85)
[   11.957908][  T281]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   11.958050][  T281]  ? __dev_open (./include/net/netdev_lock.h:33)
[   11.958190][  T281]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   11.958324][  T281]  br_add_if (net/bridge/br_if.c:679)
[   11.958431][  T281]  do_set_master (net/core/rtnetlink.c:3011)
[   11.958573][  T281]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.958716][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   11.958855][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.958998][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.959176][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.959311][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.959447][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.959587][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.959722][  T281]  ? __kernel_text_address (kernel/extable.c:79)
[   11.959855][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.959993][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.960131][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.960264][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.960397][  T281]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.960538][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.960677][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.960809][  T281]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.960943][  T281]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.961083][  T281]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.961223][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.961358][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.961489][  T281]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.961635][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.961769][  T281]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.961906][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.962040][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.962179][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.962312][  T281]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.962441][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.962580][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.962711][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.962843][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.962976][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.963118][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.963251][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.963383][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.963516][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.963651][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.963786][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.963921][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.964055][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.964200][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.964332][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.964467][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.964604][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.964735][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.964869][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.965000][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.965146][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.965290][  T281]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.965434][  T281]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.965591][  T281]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.965732][  T281]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.965874][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.966054][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   11.966203][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.966342][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.966479][  T281]  ___sys_sendmsg (net/socket.c:2752)
[   11.966622][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.966801][  T281]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.966956][  T281]  __sys_sendmsg (net/socket.c:2784)
[   11.967096][  T281]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.967226][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.967395][  T281]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.967529][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.967665][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.967800][  T281]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.967932][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.968070][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.968236][  T281] RIP: 0033:0x7f7102ca308e
[   11.968379][  T281] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.968863][  T281] RSP: 002b:00007ffed0062130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.969069][  T281] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7102ca308e
[   11.969272][  T281] RDX: 0000000000000000 RSI: 00007ffed00621e0 RDI: 0000000000000005
[   11.969470][  T281] RBP: 00007ffed0062140 R08: 0000000000000000 R09: 0000000000000000
[   11.969676][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e563
[   11.969875][  T281] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed00628b0
| [   11.972241][  T281] ------------[ cut here ]------------
| [   11.972379][  T281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/281
| [   11.972615][  T281] Modules linked in:
| [   11.973015][  T281] Tainted: [W]=WARN
[   11.973123][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.973289][  T281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.973462][  T281] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.973940][  T281] RSP: 0018:ffa0000000bc6f70 EFLAGS: 00010286
[   11.974113][  T281] RAX: 00000000ffffffa6 RBX: ff1100000f0499c0 RCX: 1ff4000000178db4
[   11.974311][  T281] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f049a70
[   11.974511][  T281] RBP: ff1100000b2ea000 R08: 1fe2200001e0934f R09: ff1100000d1c0b58
[   11.974712][  T281] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   11.974907][  T281] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[   11.975112][  T281] FS:  00007f7102a69840(0000) GS:ff110000a299a000(0000) knlGS:0000000000000000
[   11.975342][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.975509][  T281] CR2: 00007fc89f6b9888 CR3: 000000000caac003 CR4: 0000000000771ef0
[   11.975712][  T281] PKRU: 55555554
[   11.975811][  T281] Call Trace:
[   11.975910][  T281]  <TASK>
[   11.975978][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.976112][  T281]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.976244][  T281]  notifier_call_chain (kernel/notifier.c:85)
[   11.976380][  T281]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   11.976548][  T281]  ? netdev_change_features (net/core/dev.c:11117)
[   11.976687][  T281]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   11.976821][  T281]  br_add_if (net/bridge/br_if.c:683)
[   11.976924][  T281]  do_set_master (net/core/rtnetlink.c:3011)
[   11.977057][  T281]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.977195][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   11.977330][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.977464][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.977637][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.977769][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.977901][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.978032][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.978169][  T281]  ? __kernel_text_address (kernel/extable.c:79)
[   11.978304][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.978439][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.978575][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.978708][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.978840][  T281]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.978971][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.979106][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.979238][  T281]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.979372][  T281]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.979504][  T281]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.979642][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.979777][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.979909][  T281]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.980044][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.980185][  T281]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.980323][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.980454][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.980591][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.980724][  T281]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.980855][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.980990][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.981128][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.981262][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.981399][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.981533][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.981669][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.981799][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.981933][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.982072][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.982209][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.982342][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.982475][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.982615][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.982748][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.982885][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.983017][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.983157][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.983291][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.983425][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.983560][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.983699][  T281]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.983831][  T281]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.983966][  T281]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.984107][  T281]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.984240][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.984406][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   11.984540][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.984679][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.984813][  T281]  ___sys_sendmsg (net/socket.c:2752)
[   11.984944][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.985114][  T281]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.985259][  T281]  __sys_sendmsg (net/socket.c:2784)
[   11.985395][  T281]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.985527][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.985698][  T281]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.985830][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.985963][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.986102][  T281]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.986236][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.986369][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.986534][  T281] RIP: 0033:0x7f7102ca308e
[   11.986680][  T281] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.987155][  T281] RSP: 002b:00007ffed0062130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.987356][  T281] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7102ca308e
[   11.987553][  T281] RDX: 0000000000000000 RSI: 00007ffed00621e0 RDI: 0000000000000005
[   11.987757][  T281] RBP: 00007ffed0062140 R08: 0000000000000000 R09: 0000000000000000
[   11.987954][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e563
[   11.988156][  T281] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed00628b0
| [   11.990309][   T39] ------------[ cut here ]------------
| [   11.990511][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   11.990794][   T39] Modules linked in:
| [   11.991223][   T39] Tainted: [W]=WARN
[   11.991321][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.991497][   T39] Workqueue: events_unbound linkwatch_event
[   11.991692][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.991861][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.992441][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   11.992606][   T39] RAX: 00000000ffffffa6 RBX: ff1100000f048c40 RCX: 1ff4000000057f02
[   11.992801][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f048cf0
[   11.992997][   T39] RBP: ff1100000b2ea000 R08: 1fe2200001e0919f R09: ff11000001d8d1a8
[   11.993186][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.993367][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.993554][   T39] FS:  0000000000000000(0000) GS:ff110000a2a9a000(0000) knlGS:0000000000000000
[   11.993808][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.993964][   T39] CR2: 00000000004ebb20 CR3: 000000003bd39001 CR4: 0000000000771ef0
[   11.994164][   T39] PKRU: 55555554
[   11.994259][   T39] Call Trace:
[   11.994438][   T39]  <TASK>
[   11.994503][   T39]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   11.994629][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.994748][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.994869][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.994962][   T39]  netif_state_change (net/core/dev.c:1605)
[   11.995090][   T39]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   11.995213][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.995366][   T39]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   11.995486][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   11.995616][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.995737][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.995869][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.995987][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   11.996124][   T39]  process_one_work (kernel/workqueue.c:3314)
[   11.996251][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.996370][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.996496][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.996624][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.996743][   T39]  kthread (kernel/kthread.c:436)
[   11.996834][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.996982][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.997110][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.997232][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.997382][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.997502][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.997628][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.023797][  T282] ------------[ cut here ]------------
| [   12.023933][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/282
| [   12.024176][  T282] Modules linked in:
| [   12.024563][  T282] Tainted: [W]=WARN
[   12.024678][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.024851][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.025031][  T282] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.025519][  T282] RSP: 0018:ffa0000000bd6ed0 EFLAGS: 00010286
[   12.025696][  T282] RAX: 00000000ffffffa6 RBX: ff1100000f0493c0 RCX: 1ff400000017ada0
[   12.025899][  T282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f049470
[   12.026111][  T282] RBP: ff11000007e2c000 R08: 1fe2200001e0928f R09: ff1100000d1c5158
[   12.026312][  T282] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.026516][  T282] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.026724][  T282] FS:  00007f9eded33840(0000) GS:ff110000a291a000(0000) knlGS:0000000000000000
[   12.026964][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.027144][  T282] CR2: 00000000004ebb28 CR3: 000000000d1d5004 CR4: 0000000000771ef0
[   12.027347][  T282] PKRU: 55555554
[   12.027449][  T282] Call Trace:
[   12.027550][  T282]  <TASK>
[   12.027626][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.027764][  T282]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.027900][  T282]  notifier_call_chain (kernel/notifier.c:85)
[   12.028042][  T282]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   12.028183][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.028321][  T282]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.028456][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.028594][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.028731][  T282]  ? __up_write (kernel/locking/rwsem.c:1418 (discriminator 1))
[   12.028867][  T282]  ? kernfs_add_one (fs/kernfs/dir.c:873)
[   12.029007][  T282]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   12.029146][  T282]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   12.029283][  T282]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   12.029420][  T282]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   12.029556][  T282]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   12.029699][  T282]  br_add_if (net/bridge/br_if.c:619)
[   12.029807][  T282]  do_set_master (net/core/rtnetlink.c:3011)
[   12.029945][  T282]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.030091][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.030229][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.030364][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.030533][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.030694][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.030830][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.030968][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.031111][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   12.031248][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.031387][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.031522][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.031664][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.031799][  T282]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.031936][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.032076][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.032226][  T282]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.032362][  T282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.032497][  T282]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.032638][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.032776][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.032913][  T282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.033053][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.033198][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.033335][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.033468][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.033610][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.033745][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.033880][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.034020][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.034162][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.034299][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.034434][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.034576][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.034715][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.034848][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.034981][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.035123][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.035259][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.035393][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.035530][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.035671][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.035807][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.035945][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.036083][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.036221][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.036355][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.036491][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.036638][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.036775][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.036911][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.037050][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.037195][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.037329][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.037494][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   12.037637][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.037770][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.037905][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   12.038039][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.038214][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.038362][  T282]  __sys_sendmsg (net/socket.c:2784)
[   12.038497][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.038636][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.038807][  T282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.038942][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.039084][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.039222][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.039360][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.039498][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.039674][  T282] RIP: 0033:0x7f9edef6d08e
[   12.039817][  T282] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.040301][  T282] RSP: 002b:00007ffdc2514490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.040506][  T282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9edef6d08e
[   12.040712][  T282] RDX: 0000000000000000 RSI: 00007ffdc2514540 RDI: 0000000000000005
[   12.040913][  T282] RBP: 00007ffdc25144a0 R08: 0000000000000000 R09: 0000000000000000
[   12.041120][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e563
[   12.041319][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc2514c10
| [   12.043087][  T282] ------------[ cut here ]------------
| [   12.043226][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/282
| [   12.043467][  T282] Modules linked in:
| [   12.043866][  T282] Tainted: [W]=WARN
[   12.043977][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.044874][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.045057][  T282] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.045562][  T282] RSP: 0018:ffa0000000bd6ed0 EFLAGS: 00010286
[   12.045749][  T282] RAX: 00000000ffffffa6 RBX: ff1100000f0490c0 RCX: 1ff400000017ada0
[   12.045957][  T282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f049170
[   12.046171][  T282] RBP: ff11000007e2c000 R08: 1fe2200001e0922f R09: ff1100000d1c5158
[   12.046378][  T282] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   12.046597][  T282] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b2ead80
[   12.046806][  T282] FS:  00007f9eded33840(0000) GS:ff110000a291a000(0000) knlGS:0000000000000000
[   12.047052][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.047234][  T282] CR2: 00000000004ebb28 CR3: 000000000d1d5004 CR4: 0000000000771ef0
[   12.047445][  T282] PKRU: 55555554
[   12.047550][  T282] Call Trace:
[   12.047665][  T282]  <TASK>
[   12.047737][  T282]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.047879][  T282]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.047986][  T282]  __dev_notify_flags (net/core/dev.c:9787)
[   12.048133][  T282]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   12.048275][  T282]  ? netdev_notice (net/core/dev.c:13008)
[   12.048414][  T282]  ? netif_change_name (net/core/dev.c:1495)
[   12.048556][  T282]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.048704][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.048848][  T282]  __dev_set_promiscuity (net/core/dev.c:9630)
[   12.048990][  T282]  netif_set_promiscuity (net/core/dev.c:9639)
[   12.049143][  T282]  dev_set_promiscuity (net/core/dev_api.c:288)
[   12.049284][  T282]  br_manage_promisc (net/bridge/br_if.c:108 net/bridge/br_if.c:157)
[   12.049427][  T282]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   12.049539][  T282]  do_set_master (net/core/rtnetlink.c:3011)
[   12.049692][  T282]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.049835][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.049977][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.050124][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.050301][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.050441][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.050589][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.050730][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.050870][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   12.051010][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.051158][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.051296][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.051435][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.051580][  T282]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.051718][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.051856][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.051995][  T282]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.052143][  T282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.052285][  T282]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.052426][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.052572][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.052714][  T282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.052857][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.053000][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.053147][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.053286][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.053425][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.053563][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.053709][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.053852][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.053991][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.054136][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.054275][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.054415][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.054554][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.054698][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.054839][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.054977][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.055126][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.055265][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.055405][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.055547][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.055690][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.055832][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.055971][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.056115][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.056254][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.056393][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.056533][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.056680][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.056820][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.056963][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.057108][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.057247][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.057420][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   12.057559][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.057707][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.057849][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   12.057989][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.058168][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.058319][  T282]  __sys_sendmsg (net/socket.c:2784)
[   12.058459][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.058602][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.058777][  T282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.058919][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.059060][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.059208][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.059347][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.059486][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.059673][  T282] RIP: 0033:0x7f9edef6d08e
[   12.059818][  T282] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.060317][  T282] RSP: 002b:00007ffdc2514490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.060530][  T282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9edef6d08e
[   12.060742][  T282] RDX: 0000000000000000 RSI: 00007ffdc2514540 RDI: 0000000000000005
[   12.060948][  T282] RBP: 00007ffdc25144a0 R08: 0000000000000000 R09: 0000000000000000
[   12.061164][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e563
[   12.061373][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc2514c10
| [   12.063518][  T282] ------------[ cut here ]------------
| [   12.063661][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/282
| [   12.063979][  T282] Modules linked in:
| [   12.064543][  T282] Tainted: [W]=WARN
[   12.064647][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.064812][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.064983][  T282] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.065549][  T282] RSP: 0018:ffa0000000bd6ff8 EFLAGS: 00010286
[   12.065810][  T282] RAX: 00000000ffffffa6 RBX: ff1100000f048340 RCX: 1ff400000017adc5
[   12.066009][  T282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f0483f0
[   12.066210][  T282] RBP: ff1100000b2ea000 R08: 1fe2200001e0907f R09: ff1100000d1c5158
[   12.066496][  T282] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.066701][  T282] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.066900][  T282] FS:  00007f9eded33840(0000) GS:ff110000a291a000(0000) knlGS:0000000000000000
[   12.067227][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.067392][  T282] CR2: 00000000004ebb28 CR3: 000000000d1d5004 CR4: 0000000000771ef0
[   12.067687][  T282] PKRU: 55555554
[   12.067786][  T282] Call Trace:
[   12.067885][  T282]  <TASK>
[   12.067953][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.068093][  T282]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.068311][  T282]  notifier_call_chain (kernel/notifier.c:85)
[   12.068446][  T282]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   12.068584][  T282]  ? __dev_open (./include/net/netdev_lock.h:33)
[   12.068717][  T282]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   12.068940][  T282]  br_add_if (net/bridge/br_if.c:679)
[   12.069046][  T282]  do_set_master (net/core/rtnetlink.c:3011)
[   12.069183][  T282]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.069316][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.069535][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.069677][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.069839][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.069971][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.070195][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.070325][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.070458][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   12.070596][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.070816][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.070948][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.071090][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.071223][  T282]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.071440][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.071575][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.071708][  T282]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.071840][  T282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.072059][  T282]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.072196][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.072334][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.072465][  T282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.072691][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.072825][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.072958][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.073096][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.073313][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.073446][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.073583][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.073717][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.073932][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.074062][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.074200][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.074331][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.074549][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.074687][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.074820][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.074951][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.075177][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.075308][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.075440][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.075577][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.075797][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.075935][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.076072][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.076207][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.076428][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.076561][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.076698][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.076831][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.077053][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.077193][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.077326][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.077457][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.077714][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   12.077846][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.077977][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.078117][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   12.078335][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.078500][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.078646][  T282]  __sys_sendmsg (net/socket.c:2784)
[   12.078778][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.078997][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.079170][  T282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.079305][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.079524][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.079662][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.079795][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.079927][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.080183][  T282] RIP: 0033:0x7f9edef6d08e
[   12.080321][  T282] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.080888][  T282] RSP: 002b:00007ffdc2514490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.081095][  T282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9edef6d08e
[   12.081294][  T282] RDX: 0000000000000000 RSI: 00007ffdc2514540 RDI: 0000000000000005
[   12.081587][  T282] RBP: 00007ffdc25144a0 R08: 0000000000000000 R09: 0000000000000000
[   12.081786][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e563
[   12.082078][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc2514c10
| [   12.083905][  T282] ------------[ cut here ]------------
| [   12.084037][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/282
| [   12.084269][  T282] Modules linked in:
| [   12.084734][  T282] Tainted: [W]=WARN
[   12.084834][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.085000][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.085177][  T282] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.085744][  T282] RSP: 0018:ffa0000000bd6f70 EFLAGS: 00010286
[   12.085909][  T282] RAX: 00000000ffffffa6 RBX: ff1100000f048040 RCX: 1ff400000017adb4
[   12.086111][  T282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f0480f0
[   12.086395][  T282] RBP: ff1100000b2ea000 R08: 1fe2200001e0901f R09: ff1100000d1c5158
[   12.086598][  T282] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.086793][  T282] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[   12.087089][  T282] FS:  00007f9eded33840(0000) GS:ff110000a291a000(0000) knlGS:0000000000000000
[   12.087322][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.087488][  T282] CR2: 00000000004ebb28 CR3: 000000000d1d5004 CR4: 0000000000771ef0
[   12.087781][  T282] PKRU: 55555554
[   12.087880][  T282] Call Trace:
[   12.087979][  T282]  <TASK>
[   12.088047][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.088271][  T282]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.088402][  T282]  notifier_call_chain (kernel/notifier.c:85)
[   12.088536][  T282]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   12.088711][  T282]  ? netdev_change_features (net/core/dev.c:11117)
[   12.088933][  T282]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   12.089074][  T282]  br_add_if (net/bridge/br_if.c:683)
[   12.089180][  T282]  do_set_master (net/core/rtnetlink.c:3011)
[   12.089313][  T282]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.089531][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.089670][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.089800][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.089962][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.090184][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.090313][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.090441][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.090578][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   12.090794][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.090924][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.091055][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.091191][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.091405][  T282]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.091534][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.091668][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.091796][  T282]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.092012][  T282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.092147][  T282]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.092276][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.092406][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.092632][  T282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.092764][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.092896][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.093027][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.093162][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.093293][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.093422][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.093554][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.093777][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.093906][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.094035][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.094171][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.094390][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.094521][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.094655][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.094784][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.095000][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.095137][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.095267][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.095397][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.095619][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.095749][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.095882][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.096010][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.096145][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.096276][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.096408][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.096538][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.096764][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.096894][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.097027][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.097162][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.097380][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.097542][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   12.097676][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.097809][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.098026][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   12.098160][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.098321][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.098551][  T282]  __sys_sendmsg (net/socket.c:2784)
[   12.098685][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.098812][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.098978][  T282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.099112][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.099242][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.099373][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.099501][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.099727][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.099886][  T282] RIP: 0033:0x7f9edef6d08e
[   12.100022][  T282] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.100589][  T282] RSP: 002b:00007ffdc2514490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.100785][  T282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9edef6d08e
[   12.101074][  T282] RDX: 0000000000000000 RSI: 00007ffdc2514540 RDI: 0000000000000005
[   12.101268][  T282] RBP: 00007ffdc25144a0 R08: 0000000000000000 R09: 0000000000000000
[   12.101549][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e563
[   12.101747][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc2514c10
| [   12.139157][  T283] ------------[ cut here ]------------
| [   12.139354][  T283] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/283
| [   12.139640][  T283] Modules linked in:
| [   12.140120][  T283] Tainted: [W]=WARN
[   12.140265][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.140474][  T283] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.140699][  T283] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.141216][  T283] RSP: 0018:ffa0000000be7020 EFLAGS: 00010286
[   12.141428][  T283] RAX: 00000000ffffffa6 RBX: ff1100000c853840 RCX: 1ff400000017cdca
[   12.141676][  T283] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c8538f0
[   12.141914][  T283] RBP: ff11000007a34000 R08: 1fe220000190a71f R09: ff1100000b2dae58
[   12.142189][  T283] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.142431][  T283] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.142682][  T283] FS:  00007fd031cf3840(0000) GS:ff110000a2a1a000(0000) knlGS:0000000000000000
[   12.142958][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.143181][  T283] CR2: 0000000022189988 CR3: 000000000b3de002 CR4: 0000000000771ef0
[   12.143426][  T283] PKRU: 55555554
[   12.143577][  T283] Call Trace:
[   12.143721][  T283]  <TASK>
[   12.143835][  T283]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.144015][  T283]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.144174][  T283]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.144351][  T283]  __dev_notify_flags (net/core/dev.c:9787)
[   12.144531][  T283]  ? netif_change_name (net/core/dev.c:1495)
[   12.144719][  T283]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.144897][  T283]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.145083][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.145261][  T283]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.145441][  T283]  netif_change_flags (net/core/dev.c:9820)
[   12.145626][  T283]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.145807][  T283]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.146019][  T283]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.146210][  T283]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.146420][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.146602][  T283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.146781][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.146957][  T283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.147151][  T283]  ? __kernel_text_address (kernel/extable.c:79)
[   12.147331][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.147512][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.147699][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.147878][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.148055][  T283]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.148243][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.148417][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.148606][  T283]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.148785][  T283]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.148963][  T283]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.149148][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.149327][  T283]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.149506][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.149692][  T283]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.149870][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.150047][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.150238][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.150413][  T283]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.150596][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.150777][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.150953][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.151145][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.151326][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.151504][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.151691][  T283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.151871][  T283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.152047][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.152237][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.152416][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.152599][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.152782][  T283]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.152958][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.153161][  T283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.153343][  T283]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.153519][  T283]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.153712][  T283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.153892][  T283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.154087][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.154268][  T283]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.154448][  T283]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.154636][  T283]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.154818][  T283]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.154997][  T283]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.155186][  T283]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.155404][  T283]  ? move_addr_to_kernel (net/socket.c:258)
[   12.155593][  T283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.155774][  T283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.155956][  T283]  ___sys_sendmsg (net/socket.c:2752)
[   12.156145][  T283]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.156355][  T283]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.156543][  T283]  __sys_sendmsg (net/socket.c:2784)
[   12.156729][  T283]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.156909][  T283]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.157138][  T283]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.157318][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.157496][  T283]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.157680][  T283]  ? irq_exit_rcu (kernel/softirq.c:754)
[   12.157861][  T283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.158081][  T283] RIP: 0033:0x7fd031f2d08e
[   12.158270][  T283] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.158789][  T283] RSP: 002b:00007ffe4f4978f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.159034][  T283] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd031f2d08e
[   12.159292][  T283] RDX: 0000000000000000 RSI: 00007ffe4f4979a0 RDI: 0000000000000005
[   12.159535][  T283] RBP: 00007ffe4f497900 R08: 0000000000000000 R09: 0000000000000000
[   12.159793][  T283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e563
[   12.160033][  T283] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4f498070
| [   12.201039][  T284] ------------[ cut here ]------------
| [   12.201225][  T284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/284
| [   12.201470][  T284] Modules linked in:
| [   12.201866][  T284] Tainted: [W]=WARN
[   12.201967][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.202145][  T284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.202323][  T284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.202807][  T284] RSP: 0018:ffa0000000be7020 EFLAGS: 00010286
[   12.202976][  T284] RAX: 00000000ffffffa6 RBX: ff1100000c852ac0 RCX: 1ff400000017cdca
[   12.203735][  T284] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c852b70
[   12.203937][  T284] RBP: ff11000007e2c000 R08: 1fe220000190a56f R09: ff1100000a362e58
[   12.204163][  T284] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.204366][  T284] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.204564][  T284] FS:  00007feb9ba1e840(0000) GS:ff110000a291a000(0000) knlGS:0000000000000000
[   12.204804][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.204973][  T284] CR2: 00000000166e9988 CR3: 000000000d257006 CR4: 0000000000771ef0
[   12.205178][  T284] PKRU: 55555554
[   12.205277][  T284] Call Trace:
[   12.205378][  T284]  <TASK>
[   12.205447][  T284]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.205587][  T284]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.205687][  T284]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.205822][  T284]  __dev_notify_flags (net/core/dev.c:9787)
[   12.205957][  T284]  ? netif_change_name (net/core/dev.c:1495)
[   12.206094][  T284]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.206225][  T284]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.206355][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.206486][  T284]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.206633][  T284]  netif_change_flags (net/core/dev.c:9820)
[   12.206767][  T284]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.206899][  T284]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.207033][  T284]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.207174][  T284]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.207340][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.207472][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.207614][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.207747][  T284]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.207881][  T284]  ? __kernel_text_address (kernel/extable.c:79)
[   12.208015][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.208155][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.208287][  T284]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.208418][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.208552][  T284]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.208689][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.208818][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.208949][  T284]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.209088][  T284]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.209221][  T284]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.209352][  T284]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.209486][  T284]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.209628][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.209763][  T284]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.209897][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.210029][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.210169][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.210302][  T284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.210434][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.210572][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.210706][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.210838][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.210970][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.211110][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.211242][  T284]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.211374][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.211506][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.211645][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.211778][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.211911][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.212048][  T284]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.212188][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.212319][  T284]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.212455][  T284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.212595][  T284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.212731][  T284]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.212864][  T284]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.212997][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.213138][  T284]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.213270][  T284]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.213405][  T284]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.213541][  T284]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.213679][  T284]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.213814][  T284]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.213979][  T284]  ? move_addr_to_kernel (net/socket.c:258)
[   12.214117][  T284]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.214250][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.214383][  T284]  ___sys_sendmsg (net/socket.c:2752)
[   12.214514][  T284]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.214685][  T284]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.214828][  T284]  __sys_sendmsg (net/socket.c:2784)
[   12.214960][  T284]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.215096][  T284]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.215262][  T284]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.215394][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.215526][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.215664][  T284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.215796][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.215927][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.216096][  T284] RIP: 0033:0x7feb9bc5808e
[   12.216237][  T284] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.216711][  T284] RSP: 002b:00007ffcde3df7e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.216910][  T284] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007feb9bc5808e
[   12.217122][  T284] RDX: 0000000000000000 RSI: 00007ffcde3df890 RDI: 0000000000000005
[   12.217319][  T284] RBP: 00007ffcde3df7f0 R08: 0000000000000000 R09: 0000000000000000
[   12.217515][  T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e563
[   12.217717][  T284] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcde3dff60
| [   17.454311][   T12] ------------[ cut here ]------------
| [   17.454449][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   17.454718][   T12] Modules linked in:
| [   17.455299][   T12] Tainted: [W]=WARN
[   17.455401][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.455567][   T12] Workqueue: netns cleanup_net
[   17.455714][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.455888][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.456366][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   17.456535][   T12] RAX: 00000000ffffffa6 RBX: ff110000097396c0 RCX: 1ff4000000018ebc
[   17.456740][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009739770
[   17.456938][   T12] RBP: ff11000007e2c000 R08: 1fe22000012e72ef R09: ff11000001b0d1d0
[   17.457149][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   17.457347][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.457548][   T12] FS:  0000000000000000(0000) GS:ff110000a291a000(0000) knlGS:0000000000000000
[   17.457787][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.457955][   T12] CR2: 00007f1cd70cd8f4 CR3: 000000003bd39001 CR4: 0000000000771ef0
[   17.458164][   T12] PKRU: 55555554
[   17.458264][   T12] Call Trace:
[   17.458363][   T12]  <TASK>
[   17.458433][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.458568][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.458675][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   17.458810][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   17.458944][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   17.459080][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   17.459211][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.459347][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   17.459479][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.459618][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   17.459748][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.459879][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   17.460010][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   17.460151][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   17.460286][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   17.460390][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   17.460523][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   17.460664][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   17.460797][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.460933][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.461085][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.461214][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.461343][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.461478][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.461614][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.461749][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.461884][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.462014][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.462155][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.462290][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.462421][   T12]  kthread (kernel/kthread.c:436)
[   17.462521][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.462689][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.462822][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.462954][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.463123][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.463256][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.463386][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.465422][   T12] ------------[ cut here ]------------
| [   17.465554][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   17.465810][   T12] Modules linked in:
| [   17.466208][   T12] Tainted: [W]=WARN
[   17.466306][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.466467][   T12] Workqueue: netns cleanup_net
[   17.466606][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.466774][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.467230][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   17.467391][   T12] RAX: 00000000ffffffa6 RBX: ff11000009739e40 RCX: 1ff4000000018ec0
[   17.467582][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009739ef0
[   17.467776][   T12] RBP: ff11000007e2c000 R08: 1fe22000012e73df R09: ff11000001b0d1d0
[   17.467966][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   17.468162][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   17.468355][   T12] FS:  0000000000000000(0000) GS:ff110000a291a000(0000) knlGS:0000000000000000
[   17.468579][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.468746][   T12] CR2: 00007f1cd70cd8f4 CR3: 000000003bd39001 CR4: 0000000000771ef0
[   17.468937][   T12] PKRU: 55555554
[   17.469034][   T12] Call Trace:
[   17.469137][   T12]  <TASK>
[   17.469204][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.469334][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   17.469463][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   17.469601][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   17.469730][   T12]  ? validate_chain (kernel/locking/lockdep.c:152 (discriminator 24) kernel/locking/lockdep.c:191 (discriminator 24) kernel/locking/lockdep.c:3912 (discriminator 24))
[   17.469858][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   17.470017][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   17.470153][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[   17.470286][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.470441][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   17.470569][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   17.470736][   T12]  ? nbp_backup_change (net/bridge/br_if.c:185 (discriminator 1))
[   17.470865][   T12]  ? br_manage_promisc (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_if.c:105 net/bridge/br_if.c:157)
[   17.470994][   T12]  del_nbp (net/bridge/br_if.c:363)
[   17.471101][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   17.471230][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   17.471362][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   17.471495][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.471627][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.471761][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.471891][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.472020][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.472157][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.472290][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.472421][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.472554][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.472689][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.472822][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.472956][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.473094][   T12]  kthread (kernel/kthread.c:436)
[   17.473193][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.473357][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.473489][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.473633][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.473796][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.473926][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.474058][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.476223][   T12] ------------[ cut here ]------------
| [   17.476358][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   17.476625][   T12] Modules linked in:
| [   17.477032][   T12] Tainted: [W]=WARN
[   17.477148][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.477319][   T12] Workqueue: netns cleanup_net
[   17.477460][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.477642][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.478118][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   17.478289][   T12] RAX: 00000000ffffffa6 RBX: ff11000009738f40 RCX: 1ff4000000018ebc
[   17.478489][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009738ff0
[   17.478696][   T12] RBP: ff11000007a34000 R08: 1fe22000012e71ff R09: ff11000001b0d1d0
[   17.478894][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   17.479102][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.479306][   T12] FS:  0000000000000000(0000) GS:ff110000a291a000(0000) knlGS:0000000000000000
[   17.479540][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.479713][   T12] CR2: 00007f1cd70cd8f4 CR3: 000000003bd39001 CR4: 0000000000771ef0
[   17.479917][   T12] PKRU: 55555554
[   17.480026][   T12] Call Trace:
[   17.480157][   T12]  <TASK>
[   17.480245][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.480419][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.480541][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   17.480722][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   17.480925][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   17.481126][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   17.481324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.481508][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   17.481687][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.481842][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   17.481986][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.482148][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   17.482298][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   17.482449][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   17.482608][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   17.482726][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.482876][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.483075][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   17.483230][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   17.483379][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   17.483528][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.483690][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.483834][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.483977][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.484128][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.484272][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.484412][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.484554][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.484702][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.484844][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.484991][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.485155][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.485298][   T12]  kthread (kernel/kthread.c:436)
[   17.485407][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.485590][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.485734][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.485880][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.486258][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.486404][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.486545][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.488681][   T12] ------------[ cut here ]------------
| [   17.488818][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   17.489195][   T12] Modules linked in:
| [   17.489720][   T12] Tainted: [W]=WARN
[   17.489826][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.490003][   T12] Workqueue: netns cleanup_net
[   17.490152][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.490328][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.490818][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   17.491089][   T12] RAX: 00000000ffffffa6 RBX: ff11000009739840 RCX: 1ff4000000018ec0
[   17.491301][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000097398f0
[   17.491510][   T12] RBP: ff11000007a34000 R08: 1fe22000012e731f R09: ff11000001b0d1d0
[   17.491807][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   17.492014][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   17.492399][   T12] FS:  0000000000000000(0000) GS:ff110000a291a000(0000) knlGS:0000000000000000
[   17.492643][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.492811][   T12] CR2: 00007f1cd70cd8f4 CR3: 000000003bd39001 CR4: 0000000000771ef0
[   17.493109][   T12] PKRU: 55555554
[   17.493211][   T12] Call Trace:
[   17.493311][   T12]  <TASK>
[   17.493380][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.493513][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   17.493832][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   17.493975][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   17.494119][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   17.494290][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.494507][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.494648][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   17.494873][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   17.495045][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.495188][   T12]  ? nbp_backup_change (net/bridge/br_if.c:185 (discriminator 1))
[   17.495322][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.495456][   T12]  del_nbp (net/bridge/br_if.c:363)
[   17.495560][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   17.495787][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   17.495924][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   17.496061][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.496400][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.496627][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.496764][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.496894][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.497122][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.497339][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.497477][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.497618][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.497752][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.497898][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.498036][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.498268][   T12]  kthread (kernel/kthread.c:436)
[   17.498371][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.498634][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.498768][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.498901][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.499242][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.499376][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.499508][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.504534][   T12] ------------[ cut here ]------------
| [   17.504701][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   17.505027][   T12] Modules linked in:
| [   17.505546][   T12] Tainted: [W]=WARN
[   17.505658][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.505815][   T12] Workqueue: netns cleanup_net
[   17.505947][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.506128][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.506572][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[   17.506736][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e5be40 RCX: 1ff4000000018ec7
[   17.506923][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e5bef0
[   17.507247][   T12] RBP: ff1100000b2ea000 R08: 1fe22000009cb7df R09: ff11000001b0d1d0
[   17.507433][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   17.507625][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a8
[   17.507820][   T12] FS:  0000000000000000(0000) GS:ff110000a299a000(0000) knlGS:0000000000000000
[   17.508042][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.508279][   T12] CR2: 0000563705f7dcd8 CR3: 000000003bd39006 CR4: 0000000000771ef0
[   17.508485][   T12] PKRU: 55555554
[   17.508580][   T12] Call Trace:
[   17.508676][   T12]  <TASK>
[   17.508746][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.508877][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.508975][   T12]  netif_close_many (net/core/dev.c:1804)
[   17.509159][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   17.509286][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   17.509446][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   17.509609][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.509738][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.509896][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   17.510089][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.510215][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.510338][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.510462][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.510593][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.510720][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.510847][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.510977][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.511157][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.511279][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.511403][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.511526][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.511658][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.511784][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.511906][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.512038][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.512218][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.512341][   T12]  kthread (kernel/kthread.c:436)
[   17.512434][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.512597][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.512722][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.512848][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.513005][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.513184][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.513308][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.517043][   T12] ------------[ cut here ]------------
| [   17.517186][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   17.517429][   T12] Modules linked in:
| [   17.517806][   T12] Tainted: [W]=WARN
[   17.517898][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.518051][   T12] Workqueue: netns cleanup_net
[   17.518185][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.518342][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.518782][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   17.518942][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e5b540 RCX: 1ff4000000018eed
[   17.519134][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e5b5f0
[   17.519316][   T12] RBP: ff1100000b2ea000 R08: 1fe22000009cb6bf R09: ff11000001b0d1d0
[   17.519497][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   17.519689][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.519873][   T12] FS:  0000000000000000(0000) GS:ff110000a299a000(0000) knlGS:0000000000000000
[   17.520091][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.520247][   T12] CR2: 0000563705f7dcd8 CR3: 000000003bd39006 CR4: 0000000000771ef0
[   17.520430][   T12] PKRU: 55555554
[   17.520521][   T12] Call Trace:
[   17.520617][   T12]  <TASK>
[   17.520681][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.520835][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.520988][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   17.521112][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.521234][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.521356][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.521480][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.521607][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.521725][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.521849][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.521970][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.522145][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.522268][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.522390][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.522516][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.522645][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.522765][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.522890][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.523015][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.523187][   T12]  kthread (kernel/kthread.c:436)
[   17.523326][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.523477][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.523602][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.523727][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.523874][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.523995][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.524164][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.540967][   T12] ------------[ cut here ]------------
| [   17.541125][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   17.541374][   T12] Modules linked in:
| [   17.541769][   T12] Tainted: [W]=WARN
[   17.541865][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.542023][   T12] Workqueue: netns cleanup_net
[   17.543021][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.543312][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.543801][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   17.543970][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e5b0c0 RCX: 1ff4000000018eaf
[   17.544271][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e5b170
[   17.544464][   T12] RBP: ff11000007e2c000 R08: 1fe22000009cb62f R09: ff11000001b0d1d0
[   17.544663][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   17.544855][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007a34000
[   17.545046][   T12] FS:  0000000000000000(0000) GS:ff110000a299a000(0000) knlGS:0000000000000000
[   17.545348][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.545512][   T12] CR2: 00007f7c58aed9dc CR3: 000000003bd39006 CR4: 0000000000771ef0
[   17.545714][   T12] PKRU: 55555554
[   17.545811][   T12] Call Trace:
[   17.545907][   T12]  <TASK>
[   17.545975][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.546201][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.546300][   T12]  netif_close_many (net/core/dev.c:1804)
[   17.546429][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.546559][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.546690][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.546822][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   17.546952][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   17.547166][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   17.547328][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.547457][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.547619][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.547746][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.547874][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.548034][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   17.548235][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   17.548362][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   17.548487][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.548622][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   17.548757][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.548888][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.549026][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   17.549223][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.549350][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.549479][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.549613][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.549743][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.549871][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.549996][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.550194][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.550325][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.550449][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.550581][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.550714][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.550839][   T12]  kthread (kernel/kthread.c:436)
[   17.550936][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.551165][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.551410][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.551557][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.551724][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.551853][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.551979][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.559876][   T12] ------------[ cut here ]------------
| [   17.560058][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   17.560432][   T12] Modules linked in:
| [   17.560947][   T12] Tainted: [W]=WARN
[   17.561107][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.561334][   T12] Workqueue: netns cleanup_net
[   17.561518][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.561745][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.562256][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   17.562464][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e5a040 RCX: 1ff4000000018eaf
[   17.562709][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e5a0f0
[   17.562943][   T12] RBP: ff11000007a34000 R08: 1fe22000009cb41f R09: ff11000001b0d1d0
[   17.563219][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   17.563472][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e8
[   17.563734][   T12] FS:  0000000000000000(0000) GS:ff110000a2a1a000(0000) knlGS:0000000000000000
[   17.564049][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.564314][   T12] CR2: 00007fdd0a346620 CR3: 000000003bd39001 CR4: 0000000000771ef0
[   17.564604][   T12] PKRU: 55555554
[   17.564753][   T12] Call Trace:
[   17.564898][   T12]  <TASK>
[   17.565012][   T12]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   17.565212][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.565397][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   17.565591][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.565739][   T12]  netif_close_many (net/core/dev.c:1804)
[   17.565914][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.566119][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.566293][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.566468][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   17.566650][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   17.566855][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   17.567060][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.567293][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.567496][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.567678][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.567850][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.568058][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   17.568252][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   17.568429][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   17.568609][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.568787][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   17.568961][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.569146][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.569326][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   17.569501][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.569681][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.569872][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.570047][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.570234][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.570409][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.570592][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.570768][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.570944][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.571131][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.571308][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.571485][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.571664][   T12]  kthread (kernel/kthread.c:436)
[   17.571809][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.572012][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.572200][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.572376][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.572579][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.572760][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.572933][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.575438][   T12] ------------[ cut here ]------------
| [   17.575609][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   17.575894][   T12] Modules linked in:
| [   17.576480][   T12] Tainted: [W]=WARN
[   17.576677][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.576949][   T12] Workqueue: netns cleanup_net
[   17.577190][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.577426][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.577931][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   17.578145][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f049cc0 RCX: 1ff4000000018ed5
[   17.578374][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f049d70
[   17.578607][   T12] RBP: ff11000007e2c000 R08: 1fe2200001e093af R09: ff11000001b0d1d0
[   17.578834][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.579061][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.579306][   T12] FS:  0000000000000000(0000) GS:ff110000a2a1a000(0000) knlGS:0000000000000000
[   17.579568][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.579777][   T12] CR2: 00007fdd0a346620 CR3: 000000003bd39001 CR4: 0000000000771ef0
[   17.580008][   T12] PKRU: 55555554
[   17.580161][   T12] Call Trace:
[   17.580299][   T12]  <TASK>
[   17.580409][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.580621][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.580817][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.580985][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.581168][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.581372][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   17.581542][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   17.581718][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.581890][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   17.582059][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.582241][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.582412][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   17.582583][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.582757][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.582928][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.583117][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.583285][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.583456][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.583633][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.583804][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.583975][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.584157][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.584331][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.584508][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.584683][   T12]  kthread (kernel/kthread.c:436)
[   17.584823][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.585020][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.585204][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.585374][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.585572][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.585752][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.585919][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.588792][   T12] ------------[ cut here ]------------
| [   17.588965][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   17.589835][   T12] Modules linked in:
| [   17.590453][   T12] Tainted: [W]=WARN
[   17.590644][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.590893][   T12] Workqueue: netns cleanup_net
[   17.591128][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.591394][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.591920][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   17.592186][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f0481c0 RCX: 1ff4000000018ed5
[   17.592458][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f048270
[   17.592737][   T12] RBP: ff1100000a2ac000 R08: 1fe2200001e0904f R09: ff11000001b0d1d0
[   17.593009][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.593304][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.593578][   T12] FS:  0000000000000000(0000) GS:ff110000a2a1a000(0000) knlGS:0000000000000000
[   17.593893][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.594152][   T12] CR2: 00007fdd0a346620 CR3: 000000003bd39001 CR4: 0000000000771ef0
[   17.594427][   T12] PKRU: 55555554
[   17.594621][   T12] Call Trace:
[   17.594805][   T12]  <TASK>
[   17.594961][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.595224][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.595466][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.595687][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.595900][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.596192][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   17.596405][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   17.596568][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.596746][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   17.596916][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.597099][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.597286][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   17.597457][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.597631][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.597801][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.597971][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.598156][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.598326][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.598494][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.598674][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.598848][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.599020][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.599207][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.599379][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.599546][   T12]  kthread (kernel/kthread.c:436)
[   17.599692][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.599886][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.600054][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.600242][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.600438][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.600612][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.600780][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.603530][   T12] ------------[ cut here ]------------
| [   17.603705][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   17.603989][   T12] Modules linked in:
| [   17.604978][   T12] Tainted: [W]=WARN
[   17.605176][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.605419][   T12] Workqueue: netns cleanup_net
[   17.605648][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.605901][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.606440][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   17.606704][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f048dc0 RCX: 1ff4000000018ed5
[   17.606976][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f048e70
[   17.607263][   T12] RBP: ff11000007a34000 R08: 1fe2200001e091cf R09: ff11000001b0d1d0
[   17.607538][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.607817][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.608103][   T12] FS:  0000000000000000(0000) GS:ff110000a2a1a000(0000) knlGS:0000000000000000
[   17.608406][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.608660][   T12] CR2: 00007fdd0a346620 CR3: 000000003bd39001 CR4: 0000000000771ef0
[   17.608945][   T12] PKRU: 55555554
[   17.609138][   T12] Call Trace:
[   17.609318][   T12]  <TASK>
[   17.609475][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.609729][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.609974][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.610205][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.610420][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.610671][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   17.610915][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   17.611184][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.611457][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   17.611726][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.611985][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.612224][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   17.612390][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.612556][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.612735][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.612901][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.613084][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.613251][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.613420][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.613597][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.613768][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.613933][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.614119][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.614288][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.614450][   T12]  kthread (kernel/kthread.c:436)
[   17.614593][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.614807][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.614972][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.615153][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.615348][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.615515][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.615689][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.618499][   T12] ------------[ cut here ]------------
| [   17.618671][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   17.618951][   T12] Modules linked in:
| [   17.620009][   T12] Tainted: [W]=WARN
[   17.620205][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.620446][   T12] Workqueue: netns cleanup_net
[   17.620674][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.620929][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.621456][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   17.621719][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f0484c0 RCX: 1ff4000000018ed5
[   17.621986][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f048570
[   17.622277][   T12] RBP: ff1100000d244000 R08: 1fe2200001e090af R09: ff11000001b0d1d0
[   17.622547][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.622842][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.623127][   T12] FS:  0000000000000000(0000) GS:ff110000a2a1a000(0000) knlGS:0000000000000000
[   17.623434][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.623681][   T12] CR2: 00007fdd0a346620 CR3: 000000003bd39001 CR4: 0000000000771ef0
[   17.623952][   T12] PKRU: 55555554
[   17.624145][   T12] Call Trace:
[   17.624331][   T12]  <TASK>
[   17.624486][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.624762][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.625001][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.625226][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.625437][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.625684][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   17.625902][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   17.626129][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.626344][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   17.626553][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.626768][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.626980][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   17.627261][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.627515][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.627795][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.628052][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.628323][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.628576][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.628839][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.629052][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.629233][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.629398][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.629567][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.629749][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.629912][   T12]  kthread (kernel/kthread.c:436)
[   17.630046][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.630257][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.630423][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.630598][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.630790][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.630961][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.631144][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.633837][   T12] ------------[ cut here ]------------
| [   17.633997][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   17.634841][   T12] Modules linked in:
| [   17.635407][   T12] Tainted: [W]=WARN
[   17.635596][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.635840][   T12] Workqueue: netns cleanup_net
[   17.636056][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.636366][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.636881][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   17.637140][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f048ac0 RCX: 1ff4000000018ed5
[   17.637407][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f048b70
[   17.637679][   T12] RBP: ff1100000a2bc000 R08: 1fe2200001e0916f R09: ff11000001b0d1d0
[   17.637945][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.638231][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.638499][   T12] FS:  0000000000000000(0000) GS:ff110000a2a1a000(0000) knlGS:0000000000000000
[   17.638803][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.639043][   T12] CR2: 00007fdd0a346620 CR3: 000000003bd39001 CR4: 0000000000771ef0
[   17.639330][   T12] PKRU: 55555554
[   17.639513][   T12] Call Trace:
[   17.639699][   T12]  <TASK>
[   17.639854][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.640116][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.640354][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.640565][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.640782][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.641025][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   17.641256][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   17.641501][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.641769][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   17.642041][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.642314][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.642571][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   17.642839][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.643114][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.643344][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.643508][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.643680][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.643847][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.644011][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.644195][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.644364][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.644530][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.644711][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.644880][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.645043][   T12]  kthread (kernel/kthread.c:436)
[   17.645196][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.645390][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.645552][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.645727][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.645919][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.646100][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.646266][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.696220][   T12] ------------[ cut here ]------------
| [   17.696448][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   17.696757][   T12] Modules linked in:
| [   17.697502][   T12] Tainted: [W]=WARN
[   17.697652][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.697861][   T12] Workqueue: netns cleanup_net
[   17.698053][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.698278][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 48 ce f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 48 ce f0 ff       	call   0xfffffffffff0ce84
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 48 ce f0 ff       	call   0xfffffffffff0ce5a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.698770][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   17.698976][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c8527c0 RCX: 1ff4000000018ed5
[   17.699232][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c852870
[   17.699462][   T12] RBP: ff110000058f4000 R08: 1fe220000190a50f R09: ff11000001b0d1d0
[   17.699704][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.699942][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.700202][   T12] FS:  0000000000000000(0000) GS:ff110000a2a1a000(0000) knlGS:0000000000000000
[   17.700475][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.700691][   T12] CR2: 00007fdd0a346620 CR3: 000000003bd39001 CR4: 0000000000771ef0
[   17.700931][   T12] PKRU: 55555554
[   17.701088][   T12] Call Trace:
[   17.701235][   T12]  <TASK>
[   17.701356][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.701571][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.701787][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   17.701968][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   17.702149][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   17.702317][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.702487][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   17.702673][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.702845][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.703019][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   17.703206][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   17.703369][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.703543][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.703723][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.703897][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.704082][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.704247][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.704419][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.704600][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.704770][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.704946][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.705144][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.705315][   T12]  kthread (kernel/kthread.c:436)
[   17.705457][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.705663][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.705835][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.706008][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.706229][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.706406][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:__dev_set_promiscuity:netif_set_promiscuity
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_link:netdev_master_upper_dev_link
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:ops_undo_list
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_unlink:netdev_upper_dev_unlink
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:call_netdevice_notifiers:br_add_if
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netdev_compute_master_upper_features:br_add_if