======================================
| xx__-> [   12.994559][  T200] ------------[ cut here ]------------
| [   12.994852][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [   12.995095][  T200] Modules linked in:
| [   12.995674][  T200] Tainted: [W]=WARN
[   12.995775][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.995955][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.996146][  T200] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.996652][  T200] RSP: 0018:ffa0000000957a80 EFLAGS: 00010286
[   12.996826][  T200] RAX: 00000000ffffffa6 RBX: ff1100000d673380 RCX: 1ff400000012af16
[   12.997031][  T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d67343c
[   12.997285][  T200] RBP: ff1100000a79c000 R08: 1fe2200001ace689 R09: ff11000009eb2e80
[   12.997484][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.997687][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a79c000
[   12.997901][  T200] FS:  00007f4f9de2e840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   12.998252][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.998422][  T200] CR2: 0000000000479648 CR3: 000000000a09f006 CR4: 0000000000771ef0
[   12.998639][  T200] PKRU: 55555554
[   12.998751][  T200] Call Trace:
[   12.998860][  T200]  <TASK>
[   12.998935][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.999199][  T200]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.999334][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.999437][  T200]  register_netdevice (net/core/dev.c:11488)
[   12.999577][  T200]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.999741][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.999928][  T200]  register_netdev (net/core/dev.c:11552)
[   13.000062][  T200]  loopback_net_init (drivers/net/loopback.c:218)
[   13.000227][  T200]  ops_init (net/core/net_namespace.c:137)
[   13.000336][  T200]  setup_net (net/core/net_namespace.c:446)
[   13.000436][  T200]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.000574][  T200]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.000707][  T200]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.000848][  T200]  copy_net_ns (net/core/net_namespace.c:579)
[   13.000990][  T200]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.001149][  T200]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.001284][  T200]  ksys_unshare (kernel/fork.c:3243)
[   13.001416][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.001563][  T200]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.001699][  T200]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.001837][  T200]  ? __ia32_sys_open (fs/open.c:1374)
[   13.001974][  T200]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.002105][  T200]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.002237][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.002394][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.002542][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.002673][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.002840][  T200] RIP: 0033:0x7f4f9e0f0bcb
[   13.002985][  T200] 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
[   13.003485][  T200] RSP: 002b:00007ffddee75498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.003690][  T200] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f9e0f0bcb
[   13.003902][  T200] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.004278][  T200] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   13.004484][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffddee776c0
[   13.004687][  T200] R13: 0000000000000001 R14: 00007f4f9de2e6f8 R15: 00007ffddee79887
| [   13.009493][  T200] ------------[ cut here ]------------
| [   13.009731][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [   13.009993][  T200] Modules linked in:
| [   13.010474][  T200] Tainted: [W]=WARN
[   13.010580][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.010745][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.011018][  T200] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.011513][  T200] RSP: 0018:ffa0000000957918 EFLAGS: 00010286
[   13.011768][  T200] RAX: 00000000ffffffa6 RBX: ff1100000edde040 RCX: 1ff400000012aee9
[   13.011972][  T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000edde0fc
[   13.012169][  T200] RBP: ff11000009c8c000 R08: 1fe2200001dbbc21 R09: ff11000009eb2e80
[   13.012479][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.012681][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009c8c000
[   13.012888][  T200] FS:  00007f4f9de2e840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   13.013124][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.013291][  T200] CR2: 0000000000479648 CR3: 000000000a09f006 CR4: 0000000000771ef0
[   13.013598][  T200] PKRU: 55555554
[   13.013706][  T200] Call Trace:
[   13.013812][  T200]  <TASK>
[   13.013904][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.014059][  T200]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.014277][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.014379][  T200]  register_netdevice (net/core/dev.c:11488)
[   13.014517][  T200]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.014697][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.014934][  T200]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.015067][  T200]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.015199][  T200]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.015352][  T200]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.015582][  T200]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.015720][  T200]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   13.015861][  T200]  ops_init (net/core/net_namespace.c:137)
[   13.015992][  T200]  setup_net (net/core/net_namespace.c:446)
[   13.016201][  T200]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.016358][  T200]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.016494][  T200]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.016657][  T200]  copy_net_ns (net/core/net_namespace.c:579)
[   13.016882][  T200]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.017035][  T200]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.017183][  T200]  ksys_unshare (kernel/fork.c:3243)
[   13.017316][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.017541][  T200]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.017671][  T200]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.017826][  T200]  ? __ia32_sys_open (fs/open.c:1374)
[   13.017980][  T200]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.018206][  T200]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.018338][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.018481][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.018619][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.018840][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.019009][  T200] RIP: 0033:0x7f4f9e0f0bcb
[   13.019148][  T200] 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
[   13.019762][  T200] RSP: 002b:00007ffddee75498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.019982][  T200] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f9e0f0bcb
[   13.020266][  T200] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.020461][  T200] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   13.020749][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffddee776c0
[   13.020992][  T200] R13: 0000000000000001 R14: 00007f4f9de2e6f8 R15: 00007ffddee79887
| [   13.025463][  T200] ------------[ cut here ]------------
| [   13.025621][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [   13.025857][  T200] Modules linked in:
| [   13.026418][  T200] Tainted: [W]=WARN
[   13.026525][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.026780][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.026967][  T200] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.027639][  T200] RSP: 0018:ffa00000009578f8 EFLAGS: 00010286
[   13.027811][  T200] RAX: 00000000ffffffa6 RBX: ff1100000de671c0 RCX: 1ff400000012aee5
[   13.028016][  T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de6727c
[   13.028342][  T200] RBP: ff1100000ef84000 R08: 1fe2200001bcce51 R09: ff11000009eb2e80
[   13.028548][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.028841][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef84000
[   13.029047][  T200] FS:  00007f4f9de2e840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   13.029279][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.029559][  T200] CR2: 0000000000479648 CR3: 000000000a09f006 CR4: 0000000000771ef0
[   13.029760][  T200] PKRU: 55555554
[   13.029866][  T200] Call Trace:
[   13.029970][  T200]  <TASK>
[   13.030127][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.030261][  T200]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.030396][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.030499][  T200]  register_netdevice (net/core/dev.c:11488)
[   13.030726][  T200]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.030903][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.031046][  T200]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.031182][  T200]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.031401][  T200]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.031539][  T200]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.031674][  T200]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.031826][  T200]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   13.032051][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.032187][  T200]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.032320][  T200]  ops_init (net/core/net_namespace.c:137)
[   13.032422][  T200]  setup_net (net/core/net_namespace.c:446)
[   13.032532][  T200]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.032768][  T200]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.032920][  T200]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.033057][  T200]  copy_net_ns (net/core/net_namespace.c:579)
[   13.033191][  T200]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.033415][  T200]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.033553][  T200]  ksys_unshare (kernel/fork.c:3243)
[   13.033686][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.033827][  T200]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.033967][  T200]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.034100][  T200]  ? __ia32_sys_open (fs/open.c:1374)
[   13.034235][  T200]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.034367][  T200]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.034592][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.034724][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.034867][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.035002][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.035259][  T200] RIP: 0033:0x7f4f9e0f0bcb
[   13.035398][  T200] 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
[   13.035975][  T200] RSP: 002b:00007ffddee75498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.036179][  T200] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f9e0f0bcb
[   13.036465][  T200] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.036670][  T200] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   13.036870][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffddee776c0
[   13.037159][  T200] R13: 0000000000000001 R14: 00007f4f9de2e6f8 R15: 00007ffddee79887
| [   13.041937][  T200] ------------[ cut here ]------------
| [   13.042095][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [   13.042409][  T200] Modules linked in:
| [   13.042882][  T200] Tainted: [W]=WARN
[   13.042988][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.043153][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.043330][  T200] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.043923][  T200] RSP: 0018:ffa0000000957a78 EFLAGS: 00010286
[   13.044181][  T200] RAX: 00000000ffffffa6 RBX: ff1100000d672ac0 RCX: 1ff400000012af15
[   13.044380][  T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d672b7c
[   13.044583][  T200] RBP: ff1100000a88c000 R08: 1fe2200001ace571 R09: ff11000009eb2e80
[   13.044874][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.045077][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a88c000
[   13.045305][  T200] FS:  00007f4f9de2e840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   13.045632][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.045803][  T200] CR2: 0000000000479648 CR3: 000000000a09f006 CR4: 0000000000771ef0
[   13.046116][  T200] PKRU: 55555554
[   13.046220][  T200] Call Trace:
[   13.046319][  T200]  <TASK>
[   13.046388][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.046530][  T200]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.046751][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.046858][  T200]  register_netdevice (net/core/dev.c:11488)
[   13.046998][  T200]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.047164][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.047388][  T200]  register_netdev (net/core/dev.c:11552)
[   13.047526][  T200]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.047663][  T200]  ops_init (net/core/net_namespace.c:137)
[   13.047766][  T200]  setup_net (net/core/net_namespace.c:446)
[   13.047869][  T200]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.048089][  T200]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.048224][  T200]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.048359][  T200]  copy_net_ns (net/core/net_namespace.c:579)
[   13.048512][  T200]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.048740][  T200]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.048878][  T200]  ksys_unshare (kernel/fork.c:3243)
[   13.049016][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.049148][  T200]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.049395][  T200]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.049538][  T200]  ? __ia32_sys_open (fs/open.c:1374)
[   13.049673][  T200]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.049812][  T200]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.050039][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.050170][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.050304][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.050439][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.050696][  T200] RIP: 0033:0x7f4f9e0f0bcb
[   13.050838][  T200] 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
[   13.051412][  T200] RSP: 002b:00007ffddee75498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.051625][  T200] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f9e0f0bcb
[   13.051923][  T200] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.052125][  T200] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   13.052323][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffddee776c0
[   13.052619][  T200] R13: 0000000000000001 R14: 00007f4f9de2e6f8 R15: 00007ffddee79887
| [   13.057482][  T200] ------------[ cut here ]------------
| [   13.057652][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [   13.057889][  T200] Modules linked in:
| [   13.058357][  T200] Tainted: [W]=WARN
[   13.058474][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.058740][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.058926][  T200] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.059500][  T200] RSP: 0018:ffa0000000957a68 EFLAGS: 00010286
[   13.059674][  T200] RAX: 00000000ffffffa6 RBX: ff1100000eddf700 RCX: 1ff400000012af13
[   13.059883][  T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000eddf7bc
[   13.060188][  T200] RBP: ff1100000fa7c000 R08: 1fe2200001dbbef9 R09: ff11000009eb2e80
[   13.060425][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.060719][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa7c000
[   13.060930][  T200] FS:  00007f4f9de2e840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   13.061166][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.061425][  T200] CR2: 0000000000479648 CR3: 000000000a09f006 CR4: 0000000000771ef0
[   13.061632][  T200] PKRU: 55555554
[   13.061733][  T200] Call Trace:
[   13.061836][  T200]  <TASK>
[   13.061995][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.062130][  T200]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.062265][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.062366][  T200]  register_netdevice (net/core/dev.c:11488)
[   13.062511][  T200]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.062769][  T200]  register_netdev (net/core/dev.c:11552)
[   13.062908][  T200]  sit_init_net (net/ipv6/sit.c:1860)
[   13.063046][  T200]  ops_init (net/core/net_namespace.c:137)
[   13.063149][  T200]  setup_net (net/core/net_namespace.c:446)
[   13.063337][  T200]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.063471][  T200]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.063610][  T200]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.063749][  T200]  copy_net_ns (net/core/net_namespace.c:579)
[   13.063897][  T200]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.064033][  T200]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.064167][  T200]  ksys_unshare (kernel/fork.c:3243)
[   13.064306][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.064534][  T200]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.064669][  T200]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.064809][  T200]  ? __ia32_sys_open (fs/open.c:1374)
[   13.064953][  T200]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.065173][  T200]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.065309][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.065442][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.065580][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.065806][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.065983][  T200] RIP: 0033:0x7f4f9e0f0bcb
[   13.066121][  T200] 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
[   13.066701][  T200] RSP: 002b:00007ffddee75498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.067001][  T200] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f9e0f0bcb
[   13.067204][  T200] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.067403][  T200] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   13.067893][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffddee776c0
[   13.068093][  T200] R13: 0000000000000001 R14: 00007f4f9de2e6f8 R15: 00007ffddee79887
| [   13.083988][  T200] ------------[ cut here ]------------
| [   13.084139][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/200
| [   13.084368][  T200] Modules linked in:
| [   13.084752][  T200] Tainted: [W]=WARN
[   13.084863][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.085031][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.085205][  T200] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.085678][  T200] RSP: 0018:ffa0000000957a78 EFLAGS: 00010286
[   13.085859][  T200] RAX: 00000000ffffffa6 RBX: ff1100000e0c83c0 RCX: 1ff400000012af15
[   13.086061][  T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e0c847c
[   13.086259][  T200] RBP: ff1100000fab9000 R08: 1fe2200001c19091 R09: ff11000009eb2e80
[   13.086457][  T200] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.086661][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fab9000
[   13.086869][  T200] FS:  00007f4f9de2e840(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[   13.087105][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.087271][  T200] CR2: 000055b7efedfd5c CR3: 000000000a09f001 CR4: 0000000000771ef0
[   13.087526][  T200] PKRU: 55555554
[   13.087628][  T200] Call Trace:
[   13.087730][  T200]  <TASK>
[   13.087805][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.087941][  T200]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.088074][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.088176][  T200]  register_netdevice (net/core/dev.c:11488)
[   13.088311][  T200]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.088480][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.088674][  T200]  register_netdev (net/core/dev.c:11552)
[   13.088812][  T200]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   13.088952][  T200]  ops_init (net/core/net_namespace.c:137)
[   13.089053][  T200]  setup_net (net/core/net_namespace.c:446)
[   13.089153][  T200]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.089284][  T200]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.089414][  T200]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.089554][  T200]  copy_net_ns (net/core/net_namespace.c:579)
[   13.089687][  T200]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.089829][  T200]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.089966][  T200]  ksys_unshare (kernel/fork.c:3243)
[   13.090098][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.090230][  T200]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.090363][  T200]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.090497][  T200]  ? __ia32_sys_open (fs/open.c:1374)
[   13.090637][  T200]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.090772][  T200]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.090917][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.091049][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.091181][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.091315][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.091480][  T200] RIP: 0033:0x7f4f9e0f0bcb
[   13.091626][  T200] 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
[   13.092102][  T200] RSP: 002b:00007ffddee75498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.092301][  T200] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f9e0f0bcb
[   13.092498][  T200] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.092699][  T200] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   13.092904][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffddee776c0
[   13.093099][  T200] R13: 0000000000000001 R14: 00007f4f9de2e6f8 R15: 00007ffddee79887
| [   13.122448][  T201] ------------[ cut here ]------------
| [   13.122666][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/201
| [   13.123552][  T201] Modules linked in:
| [   13.124084][  T201] Tainted: [W]=WARN
[   13.124231][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.124443][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.124677][  T201] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.125219][  T201] RSP: 0018:ffa0000000957020 EFLAGS: 00010286
[   13.125434][  T201] RAX: 00000000ffffffa6 RBX: ff1100000d162200 RCX: 1ff400000012adca
[   13.125682][  T201] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1622bc
[   13.125943][  T201] RBP: ff1100000a79c000 R08: 1fe2200001a2c459 R09: ff110000103a0b58
[   13.126190][  T201] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.126430][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.126681][  T201] FS:  00007f771f751840(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[   13.126987][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.127200][  T201] CR2: 00007f771fa211a0 CR3: 0000000010067003 CR4: 0000000000771ef0
[   13.127456][  T201] PKRU: 55555554
[   13.127611][  T201] Call Trace:
[   13.127757][  T201]  <TASK>
[   13.127884][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.128079][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.128227][  T201]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.128408][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[   13.128601][  T201]  ? netif_change_name (net/core/dev.c:1495)
[   13.128784][  T201]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.128998][  T201]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.129173][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.129351][  T201]  ? 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))
[   13.129539][  T201]  netif_change_flags (net/core/dev.c:9820)
[   13.129717][  T201]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.129912][  T201]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.130097][  T201]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.130278][  T201]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.130489][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.130674][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.130865][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.131050][  T201]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.131231][  T201]  ? __kernel_text_address (kernel/extable.c:79)
[   13.131413][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.131603][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.131779][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.131983][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.132161][  T201]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.132335][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.132519][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.132699][  T201]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.132892][  T201]  ? __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)
[   13.133078][  T201]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.133257][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.133436][  T201]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.133657][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.133854][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.134046][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.134221][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.134398][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.134583][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.134758][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.134958][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.135137][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.135317][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.135494][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.135680][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.135872][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.136062][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.136241][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.136416][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.136604][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.136782][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.136988][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.137165][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.137344][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.137646][  T201]  ? 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))
[   13.137835][  T201]  ? 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))
[   13.138028][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.138207][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.138386][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.138572][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.138754][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.138950][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.139132][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.139311][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.139487][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.139705][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[   13.139904][  T201]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.140088][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.140267][  T201]  ___sys_sendmsg (net/socket.c:2752)
[   13.140443][  T201]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.140660][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.140863][  T201]  __sys_sendmsg (net/socket.c:2784)
[   13.141057][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.141236][  T201]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.141447][  T201]  ? 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)
[   13.141635][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.141827][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.142015][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.142192][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.142374][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.142600][  T201] RIP: 0033:0x7f771f98b08e
[   13.142800][  T201] 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
[   13.143318][  T201] RSP: 002b:00007ffccadd9950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.143579][  T201] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f771f98b08e
[   13.143834][  T201] RDX: 0000000000000000 RSI: 00007ffccadd9a00 RDI: 0000000000000005
[   13.144088][  T201] RBP: 00007ffccadd9960 R08: 0000000000000000 R09: 0000000000000000
[   13.144328][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82c
[   13.144584][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccadda0d0
| [   13.277731][  T205] ------------[ cut here ]------------
| [   13.277928][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/205
| [   13.278173][  T205] Modules linked in:
| [   13.278600][  T205] Tainted: [W]=WARN
[   13.278713][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.278898][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.279076][  T205] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.279568][  T205] RSP: 0018:ffa0000000907a80 EFLAGS: 00010286
[   13.279739][  T205] RAX: 00000000ffffffa6 RBX: ff1100000d162040 RCX: 1ff4000000120f16
[   13.279956][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1620fc
[   13.280157][  T205] RBP: ff1100000fd69000 R08: 1fe2200001a2c421 R09: ff1100000fbf0b80
[   13.280606][  T205] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.280827][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd69000
[   13.281044][  T205] FS:  00007f1ecd589840(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[   13.281285][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.281473][  T205] CR2: 00007f1ecd78ac20 CR3: 000000000963a004 CR4: 0000000000771ef0
[   13.281683][  T205] PKRU: 55555554
[   13.281787][  T205] Call Trace:
[   13.281902][  T205]  <TASK>
[   13.281973][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.282115][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.282251][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.282356][  T205]  register_netdevice (net/core/dev.c:11488)
[   13.282494][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.282672][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.282816][  T205]  register_netdev (net/core/dev.c:11552)
[   13.282957][  T205]  loopback_net_init (drivers/net/loopback.c:218)
[   13.283093][  T205]  ops_init (net/core/net_namespace.c:137)
[   13.283197][  T205]  setup_net (net/core/net_namespace.c:446)
[   13.283300][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.283434][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.283597][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.283734][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[   13.283874][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.284025][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.284161][  T205]  ksys_unshare (kernel/fork.c:3243)
[   13.284309][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.284445][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.284584][  T205]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.284721][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[   13.284865][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.285036][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.285171][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.285308][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.285446][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.285588][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.285767][  T205] RIP: 0033:0x7f1ecd84bbcb
[   13.285928][  T205] 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
[   13.286443][  T205] RSP: 002b:00007fff768cf9b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.286665][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1ecd84bbcb
[   13.286878][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.287094][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.287296][  T205] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff768d1be0
[   13.287499][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff768d3887
| [   13.292587][  T205] ------------[ cut here ]------------
| [   13.292754][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/205
| [   13.293014][  T205] Modules linked in:
| [   13.293384][  T205] Tainted: [W]=WARN
[   13.293487][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.293660][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.293838][  T205] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.294314][  T205] RSP: 0018:ffa0000000907918 EFLAGS: 00010286
[   13.294482][  T205] RAX: 00000000ffffffa6 RBX: ff1100000de67a80 RCX: 1ff4000000120ee9
[   13.294685][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de67b3c
[   13.294898][  T205] RBP: ff1100000fd64000 R08: 1fe2200001bccf69 R09: ff1100000fbf0b80
[   13.295097][  T205] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.295297][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd64000
[   13.295497][  T205] FS:  00007f1ecd589840(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[   13.295776][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.295963][  T205] CR2: 00007f1ecd78ac20 CR3: 000000000963a004 CR4: 0000000000771ef0
[   13.296165][  T205] PKRU: 55555554
[   13.296265][  T205] Call Trace:
[   13.296364][  T205]  <TASK>
[   13.296433][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.296573][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.296706][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.296810][  T205]  register_netdevice (net/core/dev.c:11488)
[   13.296953][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.297119][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.297255][  T205]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.297388][  T205]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.297525][  T205]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.298550][  T205]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.298701][  T205]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.298840][  T205]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   13.298982][  T205]  ops_init (net/core/net_namespace.c:137)
[   13.299085][  T205]  setup_net (net/core/net_namespace.c:446)
[   13.299186][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.299317][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.299471][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.299611][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[   13.299746][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.299893][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.300030][  T205]  ksys_unshare (kernel/fork.c:3243)
[   13.300163][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.300297][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.300429][  T205]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.300569][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[   13.300703][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.300838][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.300971][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.301103][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.301236][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.301367][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.301559][  T205] RIP: 0033:0x7f1ecd84bbcb
[   13.301703][  T205] 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
[   13.302191][  T205] RSP: 002b:00007fff768cf9b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.302392][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1ecd84bbcb
[   13.302596][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.302799][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.303001][  T205] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff768d1be0
[   13.303199][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff768d3887
| [   13.307228][  T205] ------------[ cut here ]------------
| [   13.307394][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/205
| [   13.307634][  T205] Modules linked in:
| [   13.308042][  T205] Tainted: [W]=WARN
[   13.308146][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.308317][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.308495][  T205] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.308996][  T205] RSP: 0018:ffa00000009078f8 EFLAGS: 00010286
[   13.309167][  T205] RAX: 00000000ffffffa6 RBX: ff1100000c22c580 RCX: 1ff4000000120ee5
[   13.309383][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c22c63c
[   13.309591][  T205] RBP: ff1100000eec4000 R08: 1fe22000018458c9 R09: ff1100000fbf0b80
[   13.309797][  T205] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.310004][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eec4000
[   13.310207][  T205] FS:  00007f1ecd589840(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[   13.310447][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.310624][  T205] CR2: 00007f1ecd78ac20 CR3: 000000000963a004 CR4: 0000000000771ef0
[   13.310834][  T205] PKRU: 55555554
[   13.310939][  T205] Call Trace:
[   13.311039][  T205]  <TASK>
[   13.311109][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.311244][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.311381][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.311484][  T205]  register_netdevice (net/core/dev.c:11488)
[   13.311627][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.311814][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.311966][  T205]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.312102][  T205]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.312237][  T205]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.312374][  T205]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.312514][  T205]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.312663][  T205]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   13.312804][  T205]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.312949][  T205]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.313087][  T205]  ops_init (net/core/net_namespace.c:137)
[   13.313192][  T205]  setup_net (net/core/net_namespace.c:446)
[   13.313295][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.313430][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.313572][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.313710][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[   13.313853][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.314001][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.314137][  T205]  ksys_unshare (kernel/fork.c:3243)
[   13.314276][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.314413][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.314553][  T205]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.314690][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[   13.314833][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.314972][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.315107][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.315241][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.315376][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.315516][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.315705][  T205] RIP: 0033:0x7f1ecd84bbcb
[   13.315855][  T205] 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
[   13.316351][  T205] RSP: 002b:00007fff768cf9b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.316560][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1ecd84bbcb
[   13.316778][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.316996][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.317197][  T205] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff768d1be0
[   13.317398][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff768d3887
| [   13.323239][  T205] ------------[ cut here ]------------
| [   13.323392][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/205
| [   13.323631][  T205] Modules linked in:
| [   13.324037][  T205] Tainted: [W]=WARN
[   13.324139][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.324309][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.324484][  T205] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.324974][  T205] RSP: 0018:ffa0000000907a78 EFLAGS: 00010286
[   13.325169][  T205] RAX: 00000000ffffffa6 RBX: ff1100000c22dc40 RCX: 1ff4000000120f15
[   13.325368][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c22dcfc
[   13.325576][  T205] RBP: ff1100000fec4000 R08: 1fe2200001845ba1 R09: ff1100000fbf0b80
[   13.325776][  T205] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.325990][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fec4000
[   13.326190][  T205] FS:  00007f1ecd589840(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[   13.326424][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.326598][  T205] CR2: 00007f1ecd78ac20 CR3: 000000000963a004 CR4: 0000000000771ef0
[   13.326804][  T205] PKRU: 55555554
[   13.326912][  T205] Call Trace:
[   13.327012][  T205]  <TASK>
[   13.327082][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.327226][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.327362][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.327464][  T205]  register_netdevice (net/core/dev.c:11488)
[   13.327610][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.327778][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.327989][  T205]  register_netdev (net/core/dev.c:11552)
[   13.328123][  T205]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.328259][  T205]  ops_init (net/core/net_namespace.c:137)
[   13.328362][  T205]  setup_net (net/core/net_namespace.c:446)
[   13.328464][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.328604][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.328739][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.328947][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[   13.329083][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.329221][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.329355][  T205]  ksys_unshare (kernel/fork.c:3243)
[   13.329490][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.329645][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.329784][  T205]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.329993][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[   13.330194][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.330327][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.330461][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.330600][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.330737][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.330933][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.331097][  T205] RIP: 0033:0x7f1ecd84bbcb
[   13.331239][  T205] 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
[   13.331718][  T205] RSP: 002b:00007fff768cf9b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.331988][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1ecd84bbcb
[   13.332187][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.332386][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.332590][  T205] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff768d1be0
[   13.332867][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff768d3887
| [   13.349216][  T205] ------------[ cut here ]------------
| [   13.349423][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/205
| [   13.349670][  T205] Modules linked in:
| [   13.350068][  T205] Tainted: [W]=WARN
[   13.350170][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.350369][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.350560][  T205] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.351049][  T205] RSP: 0018:ffa0000000907a68 EFLAGS: 00010286
[   13.351220][  T205] RAX: 00000000ffffffa6 RBX: ff1100000c54b380 RCX: 1ff4000000120f13
[   13.351421][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c54b43c
[   13.351625][  T205] RBP: ff1100000fc24000 R08: 1fe22000018a9689 R09: ff1100000fbf0b80
[   13.351834][  T205] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.352037][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc24000
[   13.352254][  T205] FS:  00007f1ecd589840(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[   13.352491][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.352667][  T205] CR2: 00007f1ecd69f310 CR3: 000000000963a005 CR4: 0000000000771ef0
[   13.352871][  T205] PKRU: 55555554
[   13.352975][  T205] Call Trace:
[   13.353097][  T205]  <TASK>
[   13.353168][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.353304][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.353439][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.353551][  T205]  register_netdevice (net/core/dev.c:11488)
[   13.353686][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.353863][  T205]  register_netdev (net/core/dev.c:11552)
[   13.354001][  T205]  sit_init_net (net/ipv6/sit.c:1860)
[   13.354164][  T205]  ops_init (net/core/net_namespace.c:137)
[   13.354267][  T205]  setup_net (net/core/net_namespace.c:446)
[   13.354369][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.354512][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.354647][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.354783][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[   13.354944][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.355081][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.355216][  T205]  ksys_unshare (kernel/fork.c:3243)
[   13.355351][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.355490][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.355631][  T205]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.355767][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[   13.355911][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.356043][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.356178][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.356313][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.356447][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.356588][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.356771][  T205] RIP: 0033:0x7f1ecd84bbcb
[   13.356928][  T205] 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
[   13.357404][  T205] RSP: 002b:00007fff768cf9b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.357613][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1ecd84bbcb
[   13.357819][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.358026][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.358243][  T205] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff768d1be0
[   13.358448][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff768d3887
| [   13.363469][  T205] ------------[ cut here ]------------
| [   13.363654][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/205
| [   13.363907][  T205] Modules linked in:
| [   13.364282][  T205] Tainted: [W]=WARN
[   13.364396][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.364569][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.364755][  T205] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.365259][  T205] RSP: 0018:ffa0000000907a78 EFLAGS: 00010286
[   13.365430][  T205] RAX: 00000000ffffffa6 RBX: ff1100000b5a63c0 RCX: 1ff4000000120f15
[   13.365642][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5a647c
[   13.365852][  T205] RBP: ff1100000fb5c000 R08: 1fe22000016b4c91 R09: ff1100000fbf0b80
[   13.366061][  T205] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.366263][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fb5c000
[   13.366469][  T205] FS:  00007f1ecd589840(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[   13.366711][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.366888][  T205] CR2: 00007f1ecd69f310 CR3: 000000000963a005 CR4: 0000000000771ef0
[   13.367106][  T205] PKRU: 55555554
[   13.367207][  T205] Call Trace:
[   13.367326][  T205]  <TASK>
[   13.367397][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.367540][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.367674][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.367775][  T205]  register_netdevice (net/core/dev.c:11488)
[   13.367926][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.368103][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.368241][  T205]  register_netdev (net/core/dev.c:11552)
[   13.368376][  T205]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   13.368524][  T205]  ops_init (net/core/net_namespace.c:137)
[   13.368629][  T205]  setup_net (net/core/net_namespace.c:446)
[   13.368732][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.368872][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.369013][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.369152][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[   13.369290][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.369430][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.369692][  T205]  ksys_unshare (kernel/fork.c:3243)
[   13.370085][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.370220][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.370355][  T205]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.370491][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[   13.370637][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.370774][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.370936][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.371071][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.371206][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.371340][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.371513][  T205] RIP: 0033:0x7f1ecd84bbcb
[   13.371694][  T205] 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
[   13.372227][  T205] RSP: 002b:00007fff768cf9b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.372430][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1ecd84bbcb
[   13.372635][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.372841][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.373044][  T205] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff768d1be0
[   13.373251][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff768d3887
| [   13.400678][  T206] ------------[ cut here ]------------
| [   13.400909][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/206
| [   13.401222][  T206] Modules linked in:
| [   13.401714][  T206] Tainted: [W]=WARN
[   13.401880][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.402111][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.402335][  T206] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.402910][  T206] RSP: 0018:ffa0000000967020 EFLAGS: 00010286
[   13.403135][  T206] RAX: 00000000ffffffa6 RBX: ff1100000de66740 RCX: 1ff400000012cdca
[   13.403397][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de667fc
[   13.403661][  T206] RBP: ff1100000fd69000 R08: 1fe2200001bccd01 R09: ff1100000fbf2e58
[   13.403924][  T206] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.404172][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.404424][  T206] FS:  00007ff96a19f840(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[   13.404739][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.404983][  T206] CR2: 000000002a4fc988 CR3: 0000000010897003 CR4: 0000000000771ef0
[   13.405231][  T206] PKRU: 55555554
[   13.405394][  T206] Call Trace:
[   13.405552][  T206]  <TASK>
[   13.405670][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.405869][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.406033][  T206]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.406213][  T206]  __dev_notify_flags (net/core/dev.c:9787)
[   13.406399][  T206]  ? netif_change_name (net/core/dev.c:1495)
[   13.406589][  T206]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.406772][  T206]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.406983][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.407167][  T206]  ? 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))
[   13.407352][  T206]  netif_change_flags (net/core/dev.c:9820)
[   13.407561][  T206]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.407745][  T206]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.407954][  T206]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.408141][  T206]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.408359][  T206]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.408576][  T206]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.408761][  T206]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.408969][  T206]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.409154][  T206]  ? __kernel_text_address (kernel/extable.c:79)
[   13.409337][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.409532][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.409715][  T206]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.409915][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.410102][  T206]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.410315][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.410498][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.410691][  T206]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.410892][  T206]  ? __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)
[   13.411087][  T206]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.411275][  T206]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.411460][  T206]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.411668][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.411881][  T206]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.412081][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.412263][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.412458][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.412653][  T206]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.412865][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.413062][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.413245][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.413443][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.413671][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.413870][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.414081][  T206]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.414279][  T206]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.414466][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.414658][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.414869][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.415074][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.415273][  T206]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.415458][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.415656][  T206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.415861][  T206]  ? 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))
[   13.416063][  T206]  ? 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))
[   13.416250][  T206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.416455][  T206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.416649][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.416846][  T206]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.417062][  T206]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.417249][  T206]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.417445][  T206]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.417648][  T206]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.417845][  T206]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.418089][  T206]  ? move_addr_to_kernel (net/socket.c:258)
[   13.418274][  T206]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.418462][  T206]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.418657][  T206]  ___sys_sendmsg (net/socket.c:2752)
[   13.418857][  T206]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.419083][  T206]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.419280][  T206]  __sys_sendmsg (net/socket.c:2784)
[   13.419464][  T206]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.419695][  T206]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.419942][  T206]  ? 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)
[   13.420132][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.420318][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.420502][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.420696][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.420921][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.421140][  T206] RIP: 0033:0x7ff96a3d908e
[   13.421335][  T206] 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
[   13.421988][  T206] RSP: 002b:00007fff0fa09660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.422238][  T206] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff96a3d908e
[   13.422486][  T206] RDX: 0000000000000000 RSI: 00007fff0fa09710 RDI: 0000000000000005
[   13.422767][  T206] RBP: 00007fff0fa09670 R08: 0000000000000000 R09: 0000000000000000
[   13.423046][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82c
[   13.423292][  T206] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0fa09de0
| [   13.551939][  T210] ------------[ cut here ]------------
| [   13.552167][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/210
| [   13.552447][  T210] Modules linked in:
| [   13.553277][  T210] Tainted: [W]=WARN
[   13.553422][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.553640][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.553878][  T210] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.554395][  T210] RSP: 0018:ffa00000009a7a80 EFLAGS: 00010286
[   13.554616][  T210] RAX: 00000000ffffffa6 RBX: ff1100000d7e7540 RCX: 1ff4000000134f16
[   13.554872][  T210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d7e75fc
[   13.555122][  T210] RBP: ff1100000fa1c000 R08: 1fe2200001afcec1 R09: ff1100000a3dae80
[   13.555362][  T210] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.555614][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa1c000
[   13.555872][  T210] FS:  00007fd964b05840(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[   13.556162][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.556371][  T210] CR2: 00007fd964d11690 CR3: 000000000fc30003 CR4: 0000000000771ef0
[   13.556624][  T210] PKRU: 55555554
[   13.556768][  T210] Call Trace:
[   13.556936][  T210]  <TASK>
[   13.557053][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.557236][  T210]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.557415][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.557573][  T210]  register_netdevice (net/core/dev.c:11488)
[   13.557753][  T210]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.557990][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.558170][  T210]  register_netdev (net/core/dev.c:11552)
[   13.558359][  T210]  loopback_net_init (drivers/net/loopback.c:218)
[   13.558547][  T210]  ops_init (net/core/net_namespace.c:137)
[   13.558697][  T210]  setup_net (net/core/net_namespace.c:446)
[   13.558857][  T210]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.559043][  T210]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.559226][  T210]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.559406][  T210]  copy_net_ns (net/core/net_namespace.c:579)
[   13.559596][  T210]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.559778][  T210]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.559983][  T210]  ksys_unshare (kernel/fork.c:3243)
[   13.560163][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.560341][  T210]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.560529][  T210]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.560711][  T210]  ? __ia32_sys_open (fs/open.c:1374)
[   13.560913][  T210]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.561095][  T210]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.561275][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.561452][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.561640][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.561832][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.562061][  T210] RIP: 0033:0x7fd964dc7bcb
[   13.562245][  T210] 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
[   13.562759][  T210] RSP: 002b:00007ffd476e45e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.563033][  T210] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd964dc7bcb
[   13.563272][  T210] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.563518][  T210] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.563758][  T210] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd476e6810
[   13.564022][  T210] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd476e8887
| [   13.568983][  T210] ------------[ cut here ]------------
| [   13.569173][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/210
| [   13.569445][  T210] Modules linked in:
| [   13.569935][  T210] Tainted: [W]=WARN
[   13.570082][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.570312][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.570539][  T210] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.571070][  T210] RSP: 0018:ffa00000009a7918 EFLAGS: 00010286
[   13.571308][  T210] RAX: 00000000ffffffa6 RBX: ff1100000d672740 RCX: 1ff4000000134ee9
[   13.571576][  T210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6727fc
[   13.571828][  T210] RBP: ff110000062e9000 R08: 1fe2200001ace501 R09: ff1100000a3dae80
[   13.572077][  T210] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.572316][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000062e9000
[   13.572586][  T210] FS:  00007fd964b05840(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[   13.572879][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.573100][  T210] CR2: 00007fd964d11690 CR3: 000000000fc30003 CR4: 0000000000771ef0
[   13.573342][  T210] PKRU: 55555554
[   13.573486][  T210] Call Trace:
[   13.573658][  T210]  <TASK>
[   13.573773][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.573982][  T210]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.574161][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.574308][  T210]  register_netdevice (net/core/dev.c:11488)
[   13.574487][  T210]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.574705][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.574923][  T210]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.575104][  T210]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.575284][  T210]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.575463][  T210]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.575649][  T210]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.575842][  T210]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   13.576035][  T210]  ops_init (net/core/net_namespace.c:137)
[   13.576205][  T210]  setup_net (net/core/net_namespace.c:446)
[   13.576351][  T210]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.576533][  T210]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.576718][  T210]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.576914][  T210]  copy_net_ns (net/core/net_namespace.c:579)
[   13.577098][  T210]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.577280][  T210]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.577476][  T210]  ksys_unshare (kernel/fork.c:3243)
[   13.577661][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.577858][  T210]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.578046][  T210]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.578226][  T210]  ? __ia32_sys_open (fs/open.c:1374)
[   13.578406][  T210]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.578609][  T210]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.578802][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.578993][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.579171][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.579352][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.579568][  T210] RIP: 0033:0x7fd964dc7bcb
[   13.579758][  T210] 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
[   13.580292][  T210] RSP: 002b:00007ffd476e45e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.580548][  T210] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd964dc7bcb
[   13.580808][  T210] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.581063][  T210] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.581302][  T210] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd476e6810
[   13.581554][  T210] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd476e8887
| [   13.586142][  T210] ------------[ cut here ]------------
| [   13.586325][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/210
| [   13.586615][  T210] Modules linked in:
| [   13.587108][  T210] Tainted: [W]=WARN
[   13.587253][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.587463][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.587692][  T210] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.588231][  T210] RSP: 0018:ffa00000009a78f8 EFLAGS: 00010286
[   13.588445][  T210] RAX: 00000000ffffffa6 RBX: ff1100000deab8c0 RCX: 1ff4000000134ee5
[   13.588698][  T210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000deab97c
[   13.588964][  T210] RBP: ff1100000a65c000 R08: 1fe2200001bd5731 R09: ff1100000a3dae80
[   13.589207][  T210] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.589449][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a65c000
[   13.589708][  T210] FS:  00007fd964b05840(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[   13.590016][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.590231][  T210] CR2: 00007fd964d11690 CR3: 000000000fc30003 CR4: 0000000000771ef0
[   13.590476][  T210] PKRU: 55555554
[   13.590627][  T210] Call Trace:
[   13.590772][  T210]  <TASK>
[   13.590907][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.591097][  T210]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.591277][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.591428][  T210]  register_netdevice (net/core/dev.c:11488)
[   13.591620][  T210]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.591844][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.592038][  T210]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.592218][  T210]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.592400][  T210]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.592591][  T210]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.592771][  T210]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.592977][  T210]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   13.593160][  T210]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.593341][  T210]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.593530][  T210]  ops_init (net/core/net_namespace.c:137)
[   13.593679][  T210]  setup_net (net/core/net_namespace.c:446)
[   13.593844][  T210]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.594035][  T210]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.594217][  T210]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.594399][  T210]  copy_net_ns (net/core/net_namespace.c:579)
[   13.594590][  T210]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.594772][  T210]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.594979][  T210]  ksys_unshare (kernel/fork.c:3243)
[   13.595165][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.595344][  T210]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.595568][  T210]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.595752][  T210]  ? __ia32_sys_open (fs/open.c:1374)
[   13.595960][  T210]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.596140][  T210]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.596322][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.596503][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.596689][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.596883][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.597103][  T210] RIP: 0033:0x7fd964dc7bcb
[   13.597286][  T210] 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
[   13.597818][  T210] RSP: 002b:00007ffd476e45e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.598073][  T210] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd964dc7bcb
[   13.598315][  T210] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.598569][  T210] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.598827][  T210] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd476e6810
[   13.599079][  T210] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd476e8887
| [   13.612275][  T210] ------------[ cut here ]------------
| [   13.612429][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/210
| [   13.612667][  T210] Modules linked in:
| [   13.613060][  T210] Tainted: [W]=WARN
[   13.613162][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.613333][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.613511][  T210] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.613996][  T210] RSP: 0018:ffa00000009a7a78 EFLAGS: 00010286
[   13.614166][  T210] RAX: 00000000ffffffa6 RBX: ff1100000e3c6900 RCX: 1ff4000000134f15
[   13.614363][  T210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e3c69bc
[   13.614566][  T210] RBP: ff1100000fd44000 R08: 1fe2200001c78d39 R09: ff1100000a3dae80
[   13.614762][  T210] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.614972][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd44000
[   13.615173][  T210] FS:  00007fd964b05840(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[   13.615405][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.615578][  T210] CR2: 00007f1ecd78ac20 CR3: 000000000fc30005 CR4: 0000000000771ef0
[   13.615776][  T210] PKRU: 55555554
[   13.615893][  T210] Call Trace:
[   13.615999][  T210]  <TASK>
[   13.616067][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.616198][  T210]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.616331][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.616431][  T210]  register_netdevice (net/core/dev.c:11488)
[   13.616571][  T210]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.616733][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.616873][  T210]  register_netdev (net/core/dev.c:11552)
[   13.617011][  T210]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.617145][  T210]  ops_init (net/core/net_namespace.c:137)
[   13.617245][  T210]  setup_net (net/core/net_namespace.c:446)
[   13.617345][  T210]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.617477][  T210]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.617615][  T210]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.617751][  T210]  copy_net_ns (net/core/net_namespace.c:579)
[   13.617899][  T210]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.618040][  T210]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.618173][  T210]  ksys_unshare (kernel/fork.c:3243)
[   13.618306][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.618438][  T210]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.618576][  T210]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.618710][  T210]  ? __ia32_sys_open (fs/open.c:1374)
[   13.618851][  T210]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.618989][  T210]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.619122][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.619252][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.619383][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.619521][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.619687][  T210] RIP: 0033:0x7fd964dc7bcb
[   13.619908][  T210] 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
[   13.620435][  T210] RSP: 002b:00007ffd476e45e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.620641][  T210] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd964dc7bcb
[   13.620848][  T210] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.621051][  T210] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.621247][  T210] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd476e6810
[   13.621444][  T210] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd476e8887
| [   13.626553][  T210] ------------[ cut here ]------------
| [   13.626696][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/210
| [   13.626938][  T210] Modules linked in:
| [   13.627359][  T210] Tainted: [W]=WARN
[   13.627460][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.627638][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.627820][  T210] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.628298][  T210] RSP: 0018:ffa00000009a7a68 EFLAGS: 00010286
[   13.628467][  T210] RAX: 00000000ffffffa6 RBX: ff1100000b5a7c40 RCX: 1ff4000000134f13
[   13.628670][  T210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5a7cfc
[   13.628940][  T210] RBP: ff1100000fe14000 R08: 1fe22000016b4fa1 R09: ff1100000a3dae80
[   13.629137][  T210] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.629335][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe14000
[   13.629541][  T210] FS:  00007fd964b05840(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[   13.629776][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.630011][  T210] CR2: 00007f1ecd78ac20 CR3: 000000000fc30005 CR4: 0000000000771ef0
[   13.630208][  T210] PKRU: 55555554
[   13.630310][  T210] Call Trace:
[   13.630408][  T210]  <TASK>
[   13.630477][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.630615][  T210]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.630748][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.630920][  T210]  register_netdevice (net/core/dev.c:11488)
[   13.631055][  T210]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.631221][  T210]  register_netdev (net/core/dev.c:11552)
[   13.631352][  T210]  sit_init_net (net/ipv6/sit.c:1860)
[   13.631486][  T210]  ops_init (net/core/net_namespace.c:137)
[   13.631592][  T210]  setup_net (net/core/net_namespace.c:446)
[   13.631691][  T210]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.631884][  T210]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.632024][  T210]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.632156][  T210]  copy_net_ns (net/core/net_namespace.c:579)
[   13.632289][  T210]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.632424][  T210]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.632562][  T210]  ksys_unshare (kernel/fork.c:3243)
[   13.632693][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.632884][  T210]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.633025][  T210]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.633158][  T210]  ? __ia32_sys_open (fs/open.c:1374)
[   13.633292][  T210]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.633424][  T210]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.633561][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.633692][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.633884][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.634022][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.634184][  T210] RIP: 0033:0x7fd964dc7bcb
[   13.634322][  T210] 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
[   13.634859][  T210] RSP: 002b:00007ffd476e45e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.635065][  T210] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd964dc7bcb
[   13.635261][  T210] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.635485][  T210] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.635691][  T210] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd476e6810
[   13.635957][  T210] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd476e8887
| [   13.648734][  T210] ------------[ cut here ]------------
| [   13.648941][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/210
| [   13.649171][  T210] Modules linked in:
| [   13.649556][  T210] Tainted: [W]=WARN
[   13.649657][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.649832][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.650012][  T210] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.650487][  T210] RSP: 0018:ffa00000009a7a78 EFLAGS: 00010286
[   13.650661][  T210] RAX: 00000000ffffffa6 RBX: ff11000001f48c80 RCX: 1ff4000000134f15
[   13.650867][  T210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001f48d3c
[   13.651069][  T210] RBP: ff11000008f09000 R08: 1fe22000003e91a9 R09: ff1100000a3dae80
[   13.651273][  T210] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.651497][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f09000
[   13.651717][  T210] FS:  00007fd964b05840(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[   13.651970][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.652141][  T210] CR2: 00007f1ecd78ac20 CR3: 000000000fc30005 CR4: 0000000000771ef0
[   13.652340][  T210] PKRU: 55555554
[   13.652439][  T210] Call Trace:
[   13.652546][  T210]  <TASK>
[   13.652617][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.652751][  T210]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.652899][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.653006][  T210]  register_netdevice (net/core/dev.c:11488)
[   13.653142][  T210]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.653308][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.653446][  T210]  register_netdev (net/core/dev.c:11552)
[   13.653586][  T210]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   13.653722][  T210]  ops_init (net/core/net_namespace.c:137)
[   13.653833][  T210]  setup_net (net/core/net_namespace.c:446)
[   13.653938][  T210]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.654077][  T210]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.654209][  T210]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.654347][  T210]  copy_net_ns (net/core/net_namespace.c:579)
[   13.654482][  T210]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.654621][  T210]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.654756][  T210]  ksys_unshare (kernel/fork.c:3243)
[   13.654904][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.655039][  T210]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.655172][  T210]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.655306][  T210]  ? __ia32_sys_open (fs/open.c:1374)
[   13.655442][  T210]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.655580][  T210]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.655714][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.655853][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.655995][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.656130][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.656296][  T210] RIP: 0033:0x7fd964dc7bcb
[   13.656438][  T210] 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
[   13.656931][  T210] RSP: 002b:00007ffd476e45e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.657132][  T210] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd964dc7bcb
[   13.657328][  T210] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.657532][  T210] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.657729][  T210] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd476e6810
[   13.657942][  T210] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd476e8887
| [   13.692704][  T211] ------------[ cut here ]------------
| [   13.692906][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [   13.693142][  T211] Modules linked in:
| [   13.693526][  T211] Tainted: [W]=WARN
[   13.693627][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.693798][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.693980][  T211] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.694445][  T211] RSP: 0018:ffa00000009b7020 EFLAGS: 00010286
[   13.694615][  T211] RAX: 00000000ffffffa6 RBX: ff1100000b5a6e40 RCX: 1ff4000000136dca
[   13.694816][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5a6efc
[   13.695020][  T211] RBP: ff1100000fa1c000 R08: 1fe22000016b4de1 R09: ff11000009c50b58
[   13.695215][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.695410][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.695614][  T211] FS:  00007f291f4d0840(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[   13.695856][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.696032][  T211] CR2: 00007f291f7a01a0 CR3: 0000000009fae002 CR4: 0000000000771ef0
[   13.696229][  T211] PKRU: 55555554
[   13.696328][  T211] Call Trace:
[   13.696426][  T211]  <TASK>
[   13.696495][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.696634][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.696735][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.696874][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   13.697014][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   13.697144][  T211]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.697280][  T211]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.697411][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.697548][  T211]  ? 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))
[   13.697681][  T211]  netif_change_flags (net/core/dev.c:9820)
[   13.697820][  T211]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.697963][  T211]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.698096][  T211]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.698228][  T211]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.698392][  T211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.698526][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.698658][  T211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.698813][  T211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.698957][  T211]  ? __kernel_text_address (kernel/extable.c:79)
[   13.699090][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.699223][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.699355][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.699488][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.699625][  T211]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.699758][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.699902][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.700036][  T211]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.700168][  T211]  ? __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)
[   13.700299][  T211]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.700429][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.700567][  T211]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.700702][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.700843][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.700983][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.701112][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.701243][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.701373][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.701503][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.701640][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.701771][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.701917][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.702050][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.702183][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.702314][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.702461][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.702600][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.702734][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.702870][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.703007][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.703138][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.703269][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.703399][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.703539][  T211]  ? 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))
[   13.703669][  T211]  ? 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))
[   13.703807][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.703952][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.704084][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.704216][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.704346][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.704480][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.704619][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.704751][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.704894][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.705060][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   13.705193][  T211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.705326][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.705459][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   13.705595][  T211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.705759][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.705921][  T211]  __sys_sendmsg (net/socket.c:2784)
[   13.706054][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.706184][  T211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.706350][  T211]  ? 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)
[   13.706482][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.706623][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.706757][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.706906][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.707038][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.707201][  T211] RIP: 0033:0x7f291f70a08e
[   13.707340][  T211] 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
[   13.707837][  T211] RSP: 002b:00007fff38677fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.708043][  T211] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f291f70a08e
[   13.708239][  T211] RDX: 0000000000000000 RSI: 00007fff38678090 RDI: 0000000000000005
[   13.708436][  T211] RBP: 00007fff38677ff0 R08: 0000000000000000 R09: 0000000000000000
[   13.708639][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82c
[   13.708845][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff38678760
| [   13.832669][  T215] ------------[ cut here ]------------
| [   13.832874][  T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/215
| [   13.833147][  T215] Modules linked in:
| [   13.833525][  T215] Tainted: [W]=WARN
[   13.833625][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.834332][  T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.834541][  T215] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.835023][  T215] RSP: 0018:ffa00000009e7a80 EFLAGS: 00010286
[   13.835212][  T215] RAX: 00000000ffffffa6 RBX: ff1100000d713380 RCX: 1ff400000013cf16
[   13.835409][  T215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d71343c
[   13.835611][  T215] RBP: ff1100000ff81000 R08: 1fe2200001ae2689 R09: ff1100000ff25180
[   13.835808][  T215] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.836012][  T215] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff81000
[   13.836209][  T215] FS:  00007f219589e840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   13.836466][  T215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.836637][  T215] CR2: 00007f2195a9fc20 CR3: 0000000010913001 CR4: 0000000000771ef0
[   13.836846][  T215] PKRU: 55555554
[   13.836957][  T215] Call Trace:
[   13.837054][  T215]  <TASK>
[   13.837123][  T215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.837255][  T215]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.837388][  T215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.837487][  T215]  register_netdevice (net/core/dev.c:11488)
[   13.837623][  T215]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.837785][  T215]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.837932][  T215]  register_netdev (net/core/dev.c:11552)
[   13.838061][  T215]  loopback_net_init (drivers/net/loopback.c:218)
[   13.838194][  T215]  ops_init (net/core/net_namespace.c:137)
[   13.838294][  T215]  setup_net (net/core/net_namespace.c:446)
[   13.838392][  T215]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.838526][  T215]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.838658][  T215]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.838797][  T215]  copy_net_ns (net/core/net_namespace.c:579)
[   13.838936][  T215]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.839071][  T215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.839203][  T215]  ksys_unshare (kernel/fork.c:3243)
[   13.839333][  T215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.839465][  T215]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.839600][  T215]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.839734][  T215]  ? __ia32_sys_open (fs/open.c:1374)
[   13.839870][  T215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.840004][  T215]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.840133][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.840286][  T215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.840416][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.840549][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.840721][  T215] RIP: 0033:0x7f2195b60bcb
[   13.840868][  T215] 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
[   13.841348][  T215] RSP: 002b:00007fff51101ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.841561][  T215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2195b60bcb
[   13.841760][  T215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.841966][  T215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.842166][  T215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff51104110
[   13.842368][  T215] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff51105887
| [   13.846426][  T215] ------------[ cut here ]------------
| [   13.846589][  T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/215
| [   13.846823][  T215] Modules linked in:
| [   13.847204][  T215] Tainted: [W]=WARN
[   13.847302][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.847463][  T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.847637][  T215] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.848106][  T215] RSP: 0018:ffa00000009e7918 EFLAGS: 00010286
[   13.848269][  T215] RAX: 00000000ffffffa6 RBX: ff11000001f86580 RCX: 1ff400000013cee9
[   13.848461][  T215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001f8663c
[   13.848662][  T215] RBP: ff1100001099c000 R08: 1fe22000003f0cc9 R09: ff1100000ff25180
[   13.848862][  T215] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.849061][  T215] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001099c000
[   13.849269][  T215] FS:  00007f219589e840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   13.849507][  T215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.849675][  T215] CR2: 00007f2195a9fc20 CR3: 0000000010913001 CR4: 0000000000771ef0
[   13.849888][  T215] PKRU: 55555554
[   13.849991][  T215] Call Trace:
[   13.850086][  T215]  <TASK>
[   13.850154][  T215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.850303][  T215]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.850452][  T215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.850555][  T215]  register_netdevice (net/core/dev.c:11488)
[   13.850686][  T215]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.850855][  T215]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.850996][  T215]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.851126][  T215]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.851261][  T215]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.851395][  T215]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.851528][  T215]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.851669][  T215]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   13.851805][  T215]  ops_init (net/core/net_namespace.c:137)
[   13.851909][  T215]  setup_net (net/core/net_namespace.c:446)
[   13.852019][  T215]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.852153][  T215]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.852286][  T215]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.852418][  T215]  copy_net_ns (net/core/net_namespace.c:579)
[   13.852554][  T215]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.852693][  T215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.852830][  T215]  ksys_unshare (kernel/fork.c:3243)
[   13.852973][  T215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.853102][  T215]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.853233][  T215]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.853364][  T215]  ? __ia32_sys_open (fs/open.c:1374)
[   13.853493][  T215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.853625][  T215]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.853753][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.853908][  T215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.854037][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.854165][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.854328][  T215] RIP: 0033:0x7f2195b60bcb
[   13.854463][  T215] 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
[   13.854965][  T215] RSP: 002b:00007fff51101ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.855188][  T215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2195b60bcb
[   13.855384][  T215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.855586][  T215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.855778][  T215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff51104110
[   13.855986][  T215] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff51105887
| [   13.860459][  T215] ------------[ cut here ]------------
| [   13.860633][  T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/215
| [   13.861579][  T215] Modules linked in:
| [   13.861969][  T215] Tainted: [W]=WARN
[   13.862069][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.862234][  T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.862406][  T215] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.862902][  T215] RSP: 0018:ffa00000009e78f8 EFLAGS: 00010286
[   13.863068][  T215] RAX: 00000000ffffffa6 RBX: ff1100000e234ac0 RCX: 1ff400000013cee5
[   13.863274][  T215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e234b7c
[   13.863486][  T215] RBP: ff110000109b4000 R08: 1fe2200001c46971 R09: ff1100000ff25180
[   13.863692][  T215] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.863904][  T215] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000109b4000
[   13.864101][  T215] FS:  00007f219589e840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   13.864333][  T215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.864504][  T215] CR2: 00007f2195a9fc20 CR3: 0000000010913001 CR4: 0000000000771ef0
[   13.864707][  T215] PKRU: 55555554
[   13.864831][  T215] Call Trace:
[   13.864937][  T215]  <TASK>
[   13.865006][  T215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.865139][  T215]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.865276][  T215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.865383][  T215]  register_netdevice (net/core/dev.c:11488)
[   13.865532][  T215]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.865697][  T215]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.865837][  T215]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.865973][  T215]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.866105][  T215]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.866248][  T215]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.866380][  T215]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.866741][  T215]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   13.866885][  T215]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.867027][  T215]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.867159][  T215]  ops_init (net/core/net_namespace.c:137)
[   13.867262][  T215]  setup_net (net/core/net_namespace.c:446)
[   13.867369][  T215]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.867504][  T215]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.867644][  T215]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.867779][  T215]  copy_net_ns (net/core/net_namespace.c:579)
[   13.867924][  T215]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.868060][  T215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.868192][  T215]  ksys_unshare (kernel/fork.c:3243)
[   13.868330][  T215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.868485][  T215]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.868623][  T215]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.868757][  T215]  ? __ia32_sys_open (fs/open.c:1374)
[   13.868909][  T215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.869041][  T215]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.869177][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.869308][  T215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.869451][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.869588][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.869774][  T215] RIP: 0033:0x7f2195b60bcb
[   13.869931][  T215] 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
[   13.870430][  T215] RSP: 002b:00007fff51101ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.870674][  T215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2195b60bcb
[   13.870877][  T215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.871086][  T215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.871282][  T215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff51104110
[   13.871495][  T215] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff51105887
| [   13.876033][  T215] ------------[ cut here ]------------
| [   13.876192][  T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/215
| [   13.876424][  T215] Modules linked in:
| [   13.876805][  T215] Tainted: [W]=WARN
[   13.876910][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.877081][  T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.877285][  T215] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.877756][  T215] RSP: 0018:ffa00000009e7a78 EFLAGS: 00010286
[   13.877938][  T215] RAX: 00000000ffffffa6 RBX: ff1100000e235c40 RCX: 1ff400000013cf15
[   13.878140][  T215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e235cfc
[   13.878336][  T215] RBP: ff11000010a4c000 R08: 1fe2200001c46ba1 R09: ff1100000ff25180
[   13.878723][  T215] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.878935][  T215] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010a4c000
[   13.879142][  T215] FS:  00007f219589e840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   13.879371][  T215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.879542][  T215] CR2: 00007f2195a9fc20 CR3: 0000000010913001 CR4: 0000000000771ef0
[   13.879738][  T215] PKRU: 55555554
[   13.879842][  T215] Call Trace:
[   13.879950][  T215]  <TASK>
[   13.880025][  T215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.880177][  T215]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.880313][  T215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.880413][  T215]  register_netdevice (net/core/dev.c:11488)
[   13.880551][  T215]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.880714][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.880859][  T215]  register_netdev (net/core/dev.c:11552)
[   13.881002][  T215]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.881135][  T215]  ops_init (net/core/net_namespace.c:137)
[   13.881260][  T215]  setup_net (net/core/net_namespace.c:446)
[   13.881360][  T215]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.881490][  T215]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.881627][  T215]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.881765][  T215]  copy_net_ns (net/core/net_namespace.c:579)
[   13.881910][  T215]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.882043][  T215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.882174][  T215]  ksys_unshare (kernel/fork.c:3243)
[   13.882318][  T215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.882453][  T215]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.882619][  T215]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.882769][  T215]  ? __ia32_sys_open (fs/open.c:1374)
[   13.882910][  T215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.883040][  T215]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.883171][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.883309][  T215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.883441][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.883579][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.883747][  T215] RIP: 0033:0x7f2195b60bcb
[   13.883899][  T215] 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
[   13.884365][  T215] RSP: 002b:00007fff51101ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.884588][  T215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2195b60bcb
[   13.884797][  T215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.885003][  T215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.885197][  T215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff51104110
[   13.885393][  T215] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff51105887
| [   13.896998][  T215] ------------[ cut here ]------------
| [   13.897164][  T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/215
| [   13.897393][  T215] Modules linked in:
| [   13.897783][  T215] Tainted: [W]=WARN
[   13.897902][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.898068][  T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.898273][  T215] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.898751][  T215] RSP: 0018:ffa00000009e7a68 EFLAGS: 00010286
[   13.898934][  T215] RAX: 00000000ffffffa6 RBX: ff1100000e3ebe00 RCX: 1ff400000013cf13
[   13.899134][  T215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e3ebebc
[   13.899345][  T215] RBP: ff1100000577c000 R08: 1fe2200001c7d7d9 R09: ff1100000ff25180
[   13.899567][  T215] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.899767][  T215] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000577c000
[   13.899973][  T215] FS:  00007f219589e840(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[   13.900204][  T215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.900372][  T215] CR2: 00007f291f59d574 CR3: 0000000010913003 CR4: 0000000000771ef0
[   13.900577][  T215] PKRU: 55555554
[   13.900675][  T215] Call Trace:
[   13.900774][  T215]  <TASK>
[   13.900850][  T215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.900991][  T215]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.901123][  T215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.901226][  T215]  register_netdevice (net/core/dev.c:11488)
[   13.901360][  T215]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.901531][  T215]  register_netdev (net/core/dev.c:11552)
[   13.901663][  T215]  sit_init_net (net/ipv6/sit.c:1860)
[   13.901803][  T215]  ops_init (net/core/net_namespace.c:137)
[   13.901910][  T215]  setup_net (net/core/net_namespace.c:446)
[   13.902010][  T215]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.902141][  T215]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.902276][  T215]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.902410][  T215]  copy_net_ns (net/core/net_namespace.c:579)
[   13.902548][  T215]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.902684][  T215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.902824][  T215]  ksys_unshare (kernel/fork.c:3243)
[   13.902965][  T215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.903098][  T215]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.903249][  T215]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.903381][  T215]  ? __ia32_sys_open (fs/open.c:1374)
[   13.903521][  T215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.903662][  T215]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.903801][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.903939][  T215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.904071][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.904204][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.904367][  T215] RIP: 0033:0x7f2195b60bcb
[   13.904506][  T215] 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
[   13.905000][  T215] RSP: 002b:00007fff51101ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.905203][  T215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2195b60bcb
[   13.905404][  T215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.905616][  T215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.905821][  T215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff51104110
[   13.906029][  T215] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff51105887
| [   13.911259][  T215] ------------[ cut here ]------------
| [   13.911418][  T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/215
| [   13.911656][  T215] Modules linked in:
| [   13.912040][  T215] Tainted: [W]=WARN
[   13.912141][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.912308][  T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.912486][  T215] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.912976][  T215] RSP: 0018:ffa00000009e7a78 EFLAGS: 00010286
[   13.913145][  T215] RAX: 00000000ffffffa6 RBX: ff1100000b6db540 RCX: 1ff400000013cf15
[   13.913347][  T215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6db5fc
[   13.913552][  T215] RBP: ff11000009501000 R08: 1fe22000016db6c1 R09: ff1100000ff25180
[   13.913784][  T215] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.913999][  T215] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009501000
[   13.914204][  T215] FS:  00007f219589e840(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[   13.914437][  T215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.914611][  T215] CR2: 00007f291f59d574 CR3: 0000000010913003 CR4: 0000000000771ef0
[   13.914818][  T215] PKRU: 55555554
[   13.914926][  T215] Call Trace:
[   13.915027][  T215]  <TASK>
[   13.915096][  T215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.915259][  T215]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.915392][  T215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.915493][  T215]  register_netdevice (net/core/dev.c:11488)
[   13.915634][  T215]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.915804][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.915944][  T215]  register_netdev (net/core/dev.c:11552)
[   13.916080][  T215]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   13.916217][  T215]  ops_init (net/core/net_namespace.c:137)
[   13.916322][  T215]  setup_net (net/core/net_namespace.c:446)
[   13.916425][  T215]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.916562][  T215]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.916696][  T215]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.916838][  T215]  copy_net_ns (net/core/net_namespace.c:579)
[   13.916979][  T215]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.917116][  T215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.917251][  T215]  ksys_unshare (kernel/fork.c:3243)
[   13.917405][  T215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.917543][  T215]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.917676][  T215]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.917817][  T215]  ? __ia32_sys_open (fs/open.c:1374)
[   13.917963][  T215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.918097][  T215]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.918230][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.918363][  T215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.918498][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.918637][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.918811][  T215] RIP: 0033:0x7f2195b60bcb
[   13.918963][  T215] 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
[   13.919442][  T215] RSP: 002b:00007fff51101ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.919669][  T215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2195b60bcb
[   13.919873][  T215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.920081][  T215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.920278][  T215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff51104110
[   13.920477][  T215] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff51105887
| [   13.954110][  T216] ------------[ cut here ]------------
| [   13.954304][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   13.954549][  T216] Modules linked in:
| [   13.955593][  T216] Tainted: [W]=WARN
[   13.955712][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.955895][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.956094][  T216] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.956578][  T216] RSP: 0018:ffa00000009f7020 EFLAGS: 00010286
[   13.956750][  T216] RAX: 00000000ffffffa6 RBX: ff11000001f878c0 RCX: 1ff400000013edca
[   13.956965][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001f8797c
[   13.957166][  T216] RBP: ff1100000ff81000 R08: 1fe22000003f0f31 R09: ff1100000a942e58
[   13.957365][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.957573][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.957777][  T216] FS:  00007f995f69b840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   13.958036][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.958206][  T216] CR2: 0000000016fb7988 CR3: 000000000580d003 CR4: 0000000000771ef0
[   13.958423][  T216] PKRU: 55555554
[   13.958529][  T216] Call Trace:
[   13.958630][  T216]  <TASK>
[   13.958701][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.958847][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.958956][  T216]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.959092][  T216]  __dev_notify_flags (net/core/dev.c:9787)
[   13.959228][  T216]  ? netif_change_name (net/core/dev.c:1495)
[   13.959369][  T216]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.959506][  T216]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.959646][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.959781][  T216]  ? 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))
[   13.959942][  T216]  netif_change_flags (net/core/dev.c:9820)
[   13.960078][  T216]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.960212][  T216]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.960351][  T216]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.960488][  T216]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.960662][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.960802][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.960939][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.961072][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.961208][  T216]  ? __kernel_text_address (kernel/extable.c:79)
[   13.961349][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.961486][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.961626][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.961762][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.961907][  T216]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.962042][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.962176][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.962311][  T216]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.962448][  T216]  ? __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)
[   13.962592][  T216]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.962725][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.962868][  T216]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.963008][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.963145][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.963282][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.963418][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.963558][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.963692][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.963833][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.963973][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.964107][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.964254][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.964389][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.964535][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.964671][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.964811][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.964954][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.965086][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.965221][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.965355][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.965489][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.965648][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.965782][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.965933][  T216]  ? 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))
[   13.966068][  T216]  ? 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))
[   13.966205][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.966343][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.966479][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.966621][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.966756][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.966905][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.967042][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.967176][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.967310][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.967475][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   13.967615][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.967750][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.967898][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   13.968032][  T216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.968198][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.968344][  T216]  __sys_sendmsg (net/socket.c:2784)
[   13.968481][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.968620][  T216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.969004][  T216]  ? 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)
[   13.969141][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.969277][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.969411][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.969553][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.969687][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.969862][  T216] RIP: 0033:0x7f995f8d508e
[   13.970009][  T216] 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
[   13.970487][  T216] RSP: 002b:00007ffeee7bc1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.970697][  T216] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f995f8d508e
[   13.970908][  T216] RDX: 0000000000000000 RSI: 00007ffeee7bc250 RDI: 0000000000000005
[   13.971107][  T216] RBP: 00007ffeee7bc1b0 R08: 0000000000000000 R09: 0000000000000000
[   13.971305][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82d
[   13.971503][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeee7bc920
| [   14.087289][  T219] ------------[ cut here ]------------
| [   14.087507][  T219] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/219
| [   14.087754][  T219] Modules linked in:
| [   14.088242][  T219] Tainted: [W]=WARN
[   14.088346][  T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.088524][  T219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.088707][  T219] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.089263][  T219] RSP: 0018:ffa00000008f6e30 EFLAGS: 00010286
[   14.089435][  T219] RAX: 00000000ffffffa6 RBX: ff1100000e3c6ac0 RCX: 1ff400000011ed8c
[   14.089655][  T219] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e3c6b7c
[   14.089899][  T219] RBP: ff1100000fee9000 R08: 1fe2200001c78d71 R09: ff11000010add180
[   14.090104][  T219] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.090307][  T219] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005fc4408
[   14.090519][  T219] FS:  00007f13b5929840(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[   14.090759][  T219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.090943][  T219] CR2: 00007f13b5c90f4b CR3: 0000000010abf004 CR4: 0000000000771ef0
[   14.091148][  T219] PKRU: 55555554
[   14.091248][  T219] Call Trace:
[   14.091350][  T219]  <TASK>
[   14.091421][  T219]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   14.091602][  T219]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.091740][  T219]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.091850][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.091995][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.092127][  T219]  __dev_notify_flags (net/core/dev.c:9787)
[   14.092263][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.092398][  T219]  ? netif_change_name (net/core/dev.c:1495)
[   14.092543][  T219]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   14.092680][  T219]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   14.092823][  T219]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.092969][  T219]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.093104][  T219]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.093239][  T219]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   14.093374][  T219]  veth_newlink (drivers/net/veth.c:1871)
[   14.093517][  T219]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   14.093651][  T219]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.093787][  T219]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.093971][  T219]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.094121][  T219]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   14.094255][  T219]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   14.094391][  T219]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.094531][  T219]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.094669][  T219]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.094810][  T219]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.094959][  T219]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.095095][  T219]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.095231][  T219]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.095370][  T219]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.095508][  T219]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.095652][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.095784][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.095933][  T219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.096066][  T219]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.096198][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.096339][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.096475][  T219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.096615][  T219]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.096751][  T219]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.096898][  T219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.097035][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.097171][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.097306][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.097440][  T219]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.097582][  T219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.097718][  T219]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.097865][  T219]  ? 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))
[   14.098003][  T219]  ? 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))
[   14.098140][  T219]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.098276][  T219]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.098412][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.098554][  T219]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.098690][  T219]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.098835][  T219]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.098975][  T219]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.099110][  T219]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.099244][  T219]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.099411][  T219]  ? move_addr_to_kernel (net/socket.c:258)
[   14.099555][  T219]  ___sys_sendmsg (net/socket.c:2752)
[   14.099693][  T219]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.099839][  T219]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.100018][  T219]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   14.100153][  T219]  __sys_sendmsg (net/socket.c:2784)
[   14.100299][  T219]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.100441][  T219]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   14.100583][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.100721][  T219]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.100864][  T219]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.101004][  T219]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.101137][  T219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.101304][  T219] RIP: 0033:0x7f13b5b6308e
[   14.101447][  T219] 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
[   14.101944][  T219] RSP: 002b:00007ffe5123d160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.102148][  T219] RAX: ffffffffffffffda RBX: 00007ffe5123d908 RCX: 00007f13b5b6308e
[   14.102349][  T219] RDX: 0000000000000000 RSI: 00007ffe5123d210 RDI: 0000000000000005
[   14.102556][  T219] RBP: 00007ffe5123d170 R08: 0000000000000000 R09: 0000000000000000
[   14.102758][  T219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82d
[   14.102974][  T219] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5123d8d0
| [   14.112704][  T219] ------------[ cut here ]------------
| [   14.112868][  T219] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/219
| [   14.113107][  T219] Modules linked in:
| [   14.113483][  T219] Tainted: [W]=WARN
[   14.113589][  T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.113759][  T219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.113944][  T219] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.114421][  T219] RSP: 0018:ffa00000008f71b0 EFLAGS: 00010286
[   14.114596][  T219] RAX: 00000000ffffffa6 RBX: ff1100000c0ee580 RCX: 1ff400000011edfc
[   14.114866][  T219] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0ee63c
[   14.115127][  T219] RBP: ff110000082ac000 R08: 1fe220000181dcc9 R09: ff11000010add180
[   14.115324][  T219] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.115528][  T219] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb0803b20
[   14.115729][  T219] FS:  00007f13b5929840(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[   14.116030][  T219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.116198][  T219] CR2: 00007f13b5c90f4b CR3: 0000000010abf004 CR4: 0000000000771ef0
[   14.116398][  T219] PKRU: 55555554
[   14.116498][  T219] Call Trace:
[   14.116603][  T219]  <TASK>
[   14.116673][  T219]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.116870][  T219]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.116976][  T219]  __dev_notify_flags (net/core/dev.c:9787)
[   14.117111][  T219]  ? netif_change_name (net/core/dev.c:1495)
[   14.117246][  T219]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.117380][  T219]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.117520][  T219]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.117655][  T219]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.117808][  T219]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.117949][  T219]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.118082][  T219]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.118220][  T219]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.118357][  T219]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.118492][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.118634][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.118767][  T219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.118908][  T219]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.119039][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.119174][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.119308][  T219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.119442][  T219]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.119582][  T219]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.119714][  T219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.119853][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.119995][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.120125][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.120259][  T219]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.120392][  T219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.120530][  T219]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.120666][  T219]  ? 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))
[   14.120804][  T219]  ? 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))
[   14.120943][  T219]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.121078][  T219]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.121210][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.121344][  T219]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.121477][  T219]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.121615][  T219]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.121753][  T219]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.121899][  T219]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.122033][  T219]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.122196][  T219]  ? move_addr_to_kernel (net/socket.c:258)
[   14.122332][  T219]  ___sys_sendmsg (net/socket.c:2752)
[   14.122466][  T219]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.122660][  T219]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.122840][  T219]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   14.122980][  T219]  __sys_sendmsg (net/socket.c:2784)
[   14.123114][  T219]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.123250][  T219]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   14.123384][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.123524][  T219]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.123660][  T219]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.123797][  T219]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.123935][  T219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.124100][  T219] RIP: 0033:0x7f13b5b6308e
[   14.124240][  T219] 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
[   14.124715][  T219] RSP: 002b:00007ffe5123d160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.124932][  T219] RAX: ffffffffffffffda RBX: 00007ffe5123d908 RCX: 00007f13b5b6308e
[   14.125132][  T219] RDX: 0000000000000000 RSI: 00007ffe5123d210 RDI: 0000000000000005
[   14.125331][  T219] RBP: 00007ffe5123d170 R08: 0000000000000000 R09: 0000000000000000
[   14.125533][  T219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82d
[   14.125734][  T219] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5123d8d0
| [   14.170693][  T220] ------------[ cut here ]------------
| [   14.170926][  T220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/220
| [   14.171230][  T220] Modules linked in:
| [   14.171719][  T220] Tainted: [W]=WARN
[   14.171884][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.172119][  T220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.172350][  T220] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.172913][  T220] RSP: 0018:ffa0000000a06e30 EFLAGS: 00010286
[   14.173143][  T220] RAX: 00000000ffffffa6 RBX: ff1100000deaa040 RCX: 1ff4000000140d8c
[   14.173398][  T220] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000deaa0fc
[   14.173657][  T220] RBP: ff110000101e9000 R08: 1fe2200001bd5421 R09: ff11000010298b80
[   14.173937][  T220] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.174189][  T220] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bbfc088
[   14.174447][  T220] FS:  00007fdb1a584840(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[   14.174744][  T220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.174997][  T220] CR2: 000055b7efedfd5c CR3: 0000000010afa005 CR4: 0000000000771ef0
[   14.175248][  T220] PKRU: 55555554
[   14.175397][  T220] Call Trace:
[   14.175555][  T220]  <TASK>
[   14.175679][  T220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.175879][  T220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.176041][  T220]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   14.176259][  T220]  __dev_notify_flags (net/core/dev.c:9787)
[   14.176446][  T220]  ? netif_change_name (net/core/dev.c:1495)
[   14.176637][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.176835][  T220]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.177036][  T220]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.177222][  T220]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   14.177408][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.177607][  T220]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.177806][  T220]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.178005][  T220]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.178190][  T220]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   14.178382][  T220]  veth_newlink (drivers/net/veth.c:1871)
[   14.178579][  T220]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   14.178760][  T220]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.178972][  T220]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.179156][  T220]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.179355][  T220]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   14.179545][  T220]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   14.179736][  T220]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.179948][  T220]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.180134][  T220]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.180319][  T220]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.180505][  T220]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.180701][  T220]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.180905][  T220]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.181106][  T220]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.181300][  T220]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.181485][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.181679][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.181877][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.182070][  T220]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.182254][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.182443][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.182642][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.182841][  T220]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.183040][  T220]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.183223][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.183407][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.183600][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.183784][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.183998][  T220]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.184184][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.184368][  T220]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.184564][  T220]  ? 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))
[   14.184777][  T220]  ? 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))
[   14.184991][  T220]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.185179][  T220]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.185363][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.185559][  T220]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.185747][  T220]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.185956][  T220]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.186144][  T220]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.186329][  T220]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.186522][  T220]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.186739][  T220]  ? move_addr_to_kernel (net/socket.c:258)
[   14.186952][  T220]  ___sys_sendmsg (net/socket.c:2752)
[   14.187141][  T220]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.187329][  T220]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.187559][  T220]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   14.187746][  T220]  __sys_sendmsg (net/socket.c:2784)
[   14.187953][  T220]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.188148][  T220]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   14.188332][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.188531][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.188717][  T220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.188917][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.189109][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.189325][  T220] RIP: 0033:0x7fdb1a7be08e
[   14.189524][  T220] 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
[   14.190086][  T220] RSP: 002b:00007ffc979b2530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.190340][  T220] RAX: ffffffffffffffda RBX: 00007ffc979b2cd8 RCX: 00007fdb1a7be08e
[   14.190600][  T220] RDX: 0000000000000000 RSI: 00007ffc979b25e0 RDI: 0000000000000005
[   14.190868][  T220] RBP: 00007ffc979b2540 R08: 0000000000000000 R09: 0000000000000000
[   14.191130][  T220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82d
[   14.191380][  T220] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc979b2ca0
| [   14.208047][  T220] ------------[ cut here ]------------
| [   14.208729][  T220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/220
| [   14.209092][  T220] Modules linked in:
| [   14.209692][  T220] Tainted: [W]=WARN
[   14.209928][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.210211][  T220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.210496][  T220] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.211117][  T220] RSP: 0018:ffa0000000a071b0 EFLAGS: 00010286
[   14.211394][  T220] RAX: 00000000ffffffa6 RBX: ff1100000d465540 RCX: 1ff4000000140dfc
[   14.211714][  T220] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4655fc
[   14.212047][  T220] RBP: ff1100000a044000 R08: 1fe2200001a8cac1 R09: ff11000010298b80
[   14.212352][  T220] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.212667][  T220] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb0803b20
[   14.212999][  T220] FS:  00007fdb1a584840(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[   14.213345][  T220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.213626][  T220] CR2: 000055b7efedfd5c CR3: 0000000010afa005 CR4: 0000000000771ef0
[   14.213958][  T220] PKRU: 55555554
[   14.214165][  T220] Call Trace:
[   14.214370][  T220]  <TASK>
[   14.214555][  T220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.214772][  T220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.214945][  T220]  __dev_notify_flags (net/core/dev.c:9787)
[   14.215131][  T220]  ? netif_change_name (net/core/dev.c:1495)
[   14.215313][  T220]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.215494][  T220]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.215687][  T220]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.215889][  T220]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.216082][  T220]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.216263][  T220]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.216444][  T220]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.216639][  T220]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.216838][  T220]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.217032][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.217214][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.217398][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.217586][  T220]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.217765][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.217978][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.218161][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.218342][  T220]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.218530][  T220]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.218816][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.219013][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.219198][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.219379][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.219574][  T220]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.219757][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.219961][  T220]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.220157][  T220]  ? 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))
[   14.220342][  T220]  ? 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))
[   14.220535][  T220]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.220732][  T220]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.220977][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.221160][  T220]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.221360][  T220]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.221551][  T220]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.221735][  T220]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.221947][  T220]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.222130][  T220]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.222341][  T220]  ? move_addr_to_kernel (net/socket.c:258)
[   14.222536][  T220]  ___sys_sendmsg (net/socket.c:2752)
[   14.222745][  T220]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.222955][  T220]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.223179][  T220]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   14.223387][  T220]  __sys_sendmsg (net/socket.c:2784)
[   14.223580][  T220]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.223765][  T220]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   14.223973][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.224157][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.224338][  T220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.224526][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.224713][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.224949][  T220] RIP: 0033:0x7fdb1a7be08e
[   14.225140][  T220] 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
[   14.225670][  T220] RSP: 002b:00007ffc979b2530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.225954][  T220] RAX: ffffffffffffffda RBX: 00007ffc979b2cd8 RCX: 00007fdb1a7be08e
[   14.226226][  T220] RDX: 0000000000000000 RSI: 00007ffc979b25e0 RDI: 0000000000000005
[   14.226475][  T220] RBP: 00007ffc979b2540 R08: 0000000000000000 R09: 0000000000000000
[   14.226730][  T220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82d
[   14.227007][  T220] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc979b2ca0
| [   14.257255][  T221] ------------[ cut here ]------------
| [   14.257445][  T221] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/221
| [   14.257716][  T221] Modules linked in:
| [   14.258658][  T221] Tainted: [W]=WARN
[   14.258763][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.258947][  T221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.259130][  T221] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.259624][  T221] RSP: 0018:ffa0000000a06e30 EFLAGS: 00010286
[   14.259805][  T221] RAX: 00000000ffffffa6 RBX: ff1100000b5b11c0 RCX: 1ff4000000140d8c
[   14.260233][  T221] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5b127c
[   14.260439][  T221] RBP: ff1100000fd14000 R08: 1fe22000016b6251 R09: ff11000010805180
[   14.260671][  T221] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.260885][  T221] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d574e88
[   14.261096][  T221] FS:  00007f5891325840(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[   14.261361][  T221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.261540][  T221] CR2: 000000000042ebe0 CR3: 000000000f8d7006 CR4: 0000000000771ef0
[   14.261750][  T221] PKRU: 55555554
[   14.261862][  T221] Call Trace:
[   14.261972][  T221]  <TASK>
[   14.262044][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.262187][  T221]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.262327][  T221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.262437][  T221]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   14.262586][  T221]  __dev_notify_flags (net/core/dev.c:9787)
[   14.262726][  T221]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   14.262872][  T221]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   14.263018][  T221]  ? netif_change_name (net/core/dev.c:1495)
[   14.263155][  T221]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.263292][  T221]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.263438][  T221]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.263585][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.263723][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.263869][  T221]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.264011][  T221]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.264146][  T221]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.264283][  T221]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   14.264422][  T221]  veth_newlink (drivers/net/veth.c:1871)
[   14.264569][  T221]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   14.264704][  T221]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.264849][  T221]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.264991][  T221]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.265143][  T221]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   14.265280][  T221]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   14.265419][  T221]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.265583][  T221]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.265723][  T221]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.265869][  T221]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.266011][  T221]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.266146][  T221]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.266282][  T221]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.266425][  T221]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.266571][  T221]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.266711][  T221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.266875][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.267018][  T221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.267156][  T221]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.267296][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.267437][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.267583][  T221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.267737][  T221]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.267880][  T221]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.268023][  T221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.268170][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.268309][  T221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.268453][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.268597][  T221]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.268734][  T221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.268880][  T221]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.269026][  T221]  ? 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))
[   14.269161][  T221]  ? 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))
[   14.269300][  T221]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.269456][  T221]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.269602][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.269740][  T221]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.269886][  T221]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.270036][  T221]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.270177][  T221]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.270316][  T221]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.270453][  T221]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.270628][  T221]  ? move_addr_to_kernel (net/socket.c:258)
[   14.270769][  T221]  ___sys_sendmsg (net/socket.c:2752)
[   14.270917][  T221]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.271073][  T221]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.271247][  T221]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   14.271385][  T221]  __sys_sendmsg (net/socket.c:2784)
[   14.271526][  T221]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.271670][  T221]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   14.271815][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.271965][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.272135][  T221]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.272271][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.272407][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.272583][  T221] RIP: 0033:0x7f589155f08e
[   14.272731][  T221] 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
[   14.273243][  T221] RSP: 002b:00007fffdc954dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.273455][  T221] RAX: ffffffffffffffda RBX: 00007fffdc955578 RCX: 00007f589155f08e
[   14.273693][  T221] RDX: 0000000000000000 RSI: 00007fffdc954e80 RDI: 0000000000000005
[   14.273908][  T221] RBP: 00007fffdc954de0 R08: 0000000000000000 R09: 0000000000000000
[   14.274170][  T221] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82d
[   14.274408][  T221] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdc955540
| [   14.292857][  T221] ------------[ cut here ]------------
| [   14.293053][  T221] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/221
| [   14.293291][  T221] Modules linked in:
| [   14.293676][  T221] Tainted: [W]=WARN
[   14.293783][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.293976][  T221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.294159][  T221] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.294643][  T221] RSP: 0018:ffa0000000a071b0 EFLAGS: 00010286
[   14.294820][  T221] RAX: 00000000ffffffa6 RBX: ff1100000d3c0040 RCX: 1ff4000000140dfc
[   14.295033][  T221] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3c00fc
[   14.295259][  T221] RBP: ff1100000fd11000 R08: 1fe2200001a78021 R09: ff11000010805180
[   14.295459][  T221] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.295666][  T221] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb0803b20
[   14.295912][  T221] FS:  00007f5891325840(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[   14.296168][  T221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.296337][  T221] CR2: 000000000042ebe0 CR3: 000000000f8d7006 CR4: 0000000000771ef0
[   14.296549][  T221] PKRU: 55555554
[   14.296651][  T221] Call Trace:
[   14.296752][  T221]  <TASK>
[   14.296831][  T221]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.296974][  T221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.297076][  T221]  __dev_notify_flags (net/core/dev.c:9787)
[   14.297214][  T221]  ? netif_change_name (net/core/dev.c:1495)
[   14.297349][  T221]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.297485][  T221]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.297628][  T221]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.297764][  T221]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.297911][  T221]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.298046][  T221]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.298184][  T221]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.298326][  T221]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.298466][  T221]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.298610][  T221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.298744][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.298887][  T221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.299026][  T221]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.299160][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.299299][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.299436][  T221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.299578][  T221]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.299711][  T221]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.300063][  T221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.300200][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.300336][  T221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.300496][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.300639][  T221]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.300775][  T221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.300924][  T221]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.301063][  T221]  ? 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))
[   14.301198][  T221]  ? 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))
[   14.301336][  T221]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.301472][  T221]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.301612][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.301749][  T221]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.301899][  T221]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.302035][  T221]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.302172][  T221]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.302308][  T221]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.302454][  T221]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.302627][  T221]  ? move_addr_to_kernel (net/socket.c:258)
[   14.302766][  T221]  ___sys_sendmsg (net/socket.c:2752)
[   14.302910][  T221]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.303051][  T221]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.303223][  T221]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   14.303364][  T221]  __sys_sendmsg (net/socket.c:2784)
[   14.303499][  T221]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.303644][  T221]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   14.303782][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.303934][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.304070][  T221]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.304218][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.304354][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.304529][  T221] RIP: 0033:0x7f589155f08e
[   14.304806][  T221] 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
[   14.305334][  T221] RSP: 002b:00007fffdc954dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.305547][  T221] RAX: ffffffffffffffda RBX: 00007fffdc955578 RCX: 00007f589155f08e
[   14.305752][  T221] RDX: 0000000000000000 RSI: 00007fffdc954e80 RDI: 0000000000000005
[   14.305966][  T221] RBP: 00007fffdc954de0 R08: 0000000000000000 R09: 0000000000000000
[   14.306166][  T221] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82d
[   14.306367][  T221] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdc955540
| [   14.332724][  T222] ------------[ cut here ]------------
| [   14.332924][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/222
| [   14.333154][  T222] Modules linked in:
| [   14.333587][  T222] Tainted: [W]=WARN
[   14.333692][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.333862][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.334036][  T222] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.334496][  T222] RSP: 0018:ffa0000000a17020 EFLAGS: 00010286
[   14.334678][  T222] RAX: 00000000ffffffa6 RBX: ff1100000d3c0ac0 RCX: 1ff4000000142dca
[   14.335318][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3c0b7c
[   14.335511][  T222] RBP: ff110000082ac000 R08: 1fe2200001a78171 R09: ff11000010802e58
[   14.335723][  T222] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.335930][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.336158][  T222] FS:  00007fa0f3118840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   14.336384][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.336574][  T222] CR2: 00000000085d0988 CR3: 000000000eea2005 CR4: 0000000000771ef0
[   14.336769][  T222] PKRU: 55555554
[   14.336870][  T222] Call Trace:
[   14.336970][  T222]  <TASK>
[   14.337037][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.337170][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.337268][  T222]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.337396][  T222]  __dev_notify_flags (net/core/dev.c:9787)
[   14.337559][  T222]  ? netif_change_name (net/core/dev.c:1495)
[   14.337699][  T222]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.337836][  T222]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.337967][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.338096][  T222]  ? 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))
[   14.338239][  T222]  netif_change_flags (net/core/dev.c:9820)
[   14.338369][  T222]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.338519][  T222]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.338654][  T222]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.338786][  T222]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.338962][  T222]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.339092][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.339234][  T222]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.339365][  T222]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.339497][  T222]  ? __kernel_text_address (kernel/extable.c:79)
[   14.339635][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.339765][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.339904][  T222]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.340034][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.340165][  T222]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.340294][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.340425][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.340584][  T222]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.340715][  T222]  ? __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)
[   14.340854][  T222]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.340993][  T222]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.341135][  T222]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.341269][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.341401][  T222]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.341541][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.341670][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.341804][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.341937][  T222]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.342067][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.342199][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.342331][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.342477][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.342614][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.342745][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.342882][  T222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.343018][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.343147][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.343293][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.343427][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.343577][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.343707][  T222]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.343847][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.344030][  T222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.344169][  T222]  ? 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))
[   14.344309][  T222]  ? 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))
[   14.344441][  T222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.344580][  T222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.344711][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.344861][  T222]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.345001][  T222]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.345134][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.345268][  T222]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.345402][  T222]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.345541][  T222]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.345732][  T222]  ? move_addr_to_kernel (net/socket.c:258)
[   14.345872][  T222]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.346012][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.346145][  T222]  ___sys_sendmsg (net/socket.c:2752)
[   14.346275][  T222]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.346440][  T222]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.346616][  T222]  __sys_sendmsg (net/socket.c:2784)
[   14.346755][  T222]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.346901][  T222]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.347076][  T222]  ? 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)
[   14.347210][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.347347][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.347479][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.347680][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.347825][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.347997][  T222] RIP: 0033:0x7fa0f335208e
[   14.348138][  T222] 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
[   14.348619][  T222] RSP: 002b:00007ffd80955af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.348853][  T222] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa0f335208e
[   14.349071][  T222] RDX: 0000000000000000 RSI: 00007ffd80955ba0 RDI: 0000000000000005
[   14.349266][  T222] RBP: 00007ffd80955b00 R08: 0000000000000000 R09: 0000000000000000
[   14.349464][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82d
[   14.349754][  T222] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd80956270
| [   14.574459][  T229] ------------[ cut here ]------------
| [   14.574648][  T229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/229
| [   14.575003][  T229] Modules linked in:
| [   14.575413][  T229] Tainted: [W]=WARN
[   14.575520][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.575688][  T229] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.575898][  T229] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.576375][  T229] RSP: 0018:ffa0000000a87020 EFLAGS: 00010286
[   14.576552][  T229] RAX: 00000000ffffffa6 RBX: ff1100000e3ea580 RCX: 1ff4000000150dca
[   14.576748][  T229] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e3ea63c
[   14.576965][  T229] RBP: ff1100000a044000 R08: 1fe2200001c7d4c9 R09: ff110000058cae58
[   14.577162][  T229] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   14.577359][  T229] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.577563][  T229] FS:  00007f6756c4d840(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[   14.577801][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.577972][  T229] CR2: 00000000020ba988 CR3: 000000000fc56006 CR4: 0000000000771ef0
[   14.578175][  T229] PKRU: 55555554
[   14.578274][  T229] Call Trace:
[   14.578372][  T229]  <TASK>
[   14.578440][  T229]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.578581][  T229]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.579795][  T229]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.579936][  T229]  __dev_notify_flags (net/core/dev.c:9787)
[   14.580072][  T229]  ? netif_change_name (net/core/dev.c:1495)
[   14.580223][  T229]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.580358][  T229]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.580490][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.580630][  T229]  ? 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))
[   14.580777][  T229]  netif_change_flags (net/core/dev.c:9820)
[   14.580931][  T229]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.581064][  T229]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.581199][  T229]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.581343][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.581512][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.581650][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.581784][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.581931][  T229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.582067][  T229]  ? __kernel_text_address (kernel/extable.c:79)
[   14.582199][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.582332][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.582464][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.582619][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.582762][  T229]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.582908][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.583040][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.583172][  T229]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.583305][  T229]  ? __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)
[   14.583438][  T229]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.583575][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.583721][  T229]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.583865][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.584004][  T229]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.584138][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.584269][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.584401][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.584537][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.584669][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.584807][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.584948][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.585080][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.585213][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.585345][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.585477][  T229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.585614][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.585747][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.585888][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.586031][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.586178][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.586312][  T229]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.586447][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.586586][  T229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.586726][  T229]  ? 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))
[   14.586866][  T229]  ? 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))
[   14.587010][  T229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.587156][  T229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.587292][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.587426][  T229]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.587568][  T229]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.587701][  T229]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.587840][  T229]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.587992][  T229]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.588125][  T229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.588288][  T229]  ? move_addr_to_kernel (net/socket.c:258)
[   14.588420][  T229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.588561][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.588694][  T229]  ___sys_sendmsg (net/socket.c:2752)
[   14.588831][  T229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.589001][  T229]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.589148][  T229]  __sys_sendmsg (net/socket.c:2784)
[   14.589281][  T229]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.589411][  T229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.594032][  T229]  ? 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)
[   14.594166][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.594302][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.594435][  T229]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.594579][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.594710][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.594883][  T229] RIP: 0033:0x7f6756e8708e
[   14.595030][  T229] 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
[   14.595508][  T229] RSP: 002b:00007ffccd496c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.595746][  T229] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6756e8708e
[   14.595963][  T229] RDX: 0000000000000000 RSI: 00007ffccd496cb0 RDI: 0000000000000005
[   14.596161][  T229] RBP: 00007ffccd496c10 R08: 0000000000000000 R09: 0000000000000000
[   14.596359][  T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82d
[   14.596566][  T229] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccd497380
| [   14.813118][  T236] ------------[ cut here ]------------
| [   14.813304][  T236] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/236
| [   14.813586][  T236] Modules linked in:
| [   14.814162][  T236] Tainted: [W]=WARN
[   14.814269][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.814454][  T236] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.814642][  T236] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.815170][  T236] RSP: 0018:ffa0000000af7020 EFLAGS: 00010286
[   14.815366][  T236] RAX: 00000000ffffffa6 RBX: ff1100000c903c40 RCX: 1ff400000015edca
[   14.815573][  T236] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c903cfc
[   14.815772][  T236] RBP: ff1100000fee9000 R08: 1fe22000019207a1 R09: ff110000103e5158
[   14.815987][  T236] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   14.816221][  T236] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.816450][  T236] FS:  00007f7a73b8c840(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[   14.816692][  T236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.816871][  T236] CR2: 0000000011ec7988 CR3: 000000000fa8f001 CR4: 0000000000771ef0
[   14.817077][  T236] PKRU: 55555554
[   14.817200][  T236] Call Trace:
[   14.817301][  T236]  <TASK>
[   14.817385][  T236]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.817532][  T236]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.817636][  T236]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.817771][  T236]  __dev_notify_flags (net/core/dev.c:9787)
[   14.817924][  T236]  ? netif_change_name (net/core/dev.c:1495)
[   14.818057][  T236]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.818192][  T236]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.818347][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.818483][  T236]  ? 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))
[   14.818626][  T236]  netif_change_flags (net/core/dev.c:9820)
[   14.818771][  T236]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.819020][  T236]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.819175][  T236]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.819312][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.819494][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.819670][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.819886][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.820046][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.820181][  T236]  ? __kernel_text_address (kernel/extable.c:79)
[   14.820314][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.820450][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.820605][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.820765][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.820996][  T236]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.821218][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.821352][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.821496][  T236]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.821655][  T236]  ? __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)
[   14.821852][  T236]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.821993][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.822138][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.822382][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.822523][  T236]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.822661][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.822858][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.823199][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.823332][  T236]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.823462][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.823607][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.823739][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.823959][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.824096][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.824231][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.824364][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.824497][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.824638][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.824852][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.824997][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.825128][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.825267][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.825400][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.825584][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.825724][  T236]  ? 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))
[   14.825958][  T236]  ? 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))
[   14.826114][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.826247][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.826380][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.826512][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.826670][  T236]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.826877][  T236]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.827020][  T236]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.827154][  T236]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.827289][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.827456][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   14.827597][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.827732][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.827934][  T236]  ___sys_sendmsg (net/socket.c:2752)
[   14.828065][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.828485][  T236]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.828637][  T236]  __sys_sendmsg (net/socket.c:2784)
[   14.828772][  T236]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.828989][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.829183][  T236]  ? 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)
[   14.829318][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.829464][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.829603][  T236]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.829738][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.829931][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.830096][  T236] RIP: 0033:0x7f7a73dc608e
[   14.830243][  T236] 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
[   14.830761][  T236] RSP: 002b:00007fffeeb842c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.831756][  T236] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7a73dc608e
[   14.831971][  T236] RDX: 0000000000000000 RSI: 00007fffeeb84370 RDI: 0000000000000005
[   14.832185][  T236] RBP: 00007fffeeb842d0 R08: 0000000000000000 R09: 0000000000000000
[   14.832383][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82e
[   14.832585][  T236] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffeeb84a40
| [   14.835588][   T45] ------------[ cut here ]------------
| [   14.836211][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/45
| [   14.836483][   T45] Modules linked in:
| [   14.837007][   T45] Tainted: [W]=WARN
[   14.837107][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.837288][   T45] Workqueue: events_unbound linkwatch_event
[   14.837463][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.837630][   T45] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.838126][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   14.838313][   T45] RAX: 00000000ffffffa6 RBX: ff1100000a72c200 RCX: 1ff4000000063f02
[   14.838503][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a72c2bc
[   14.838768][   T45] RBP: ff110000082ac000 R08: 1fe22000014e5859 R09: ff110000020051a8
[   14.838992][   T45] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   14.839183][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.839383][   T45] FS:  0000000000000000(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[   14.839609][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.839763][   T45] CR2: 0000000011ec7988 CR3: 000000007014d005 CR4: 0000000000771ef0
[   14.839959][   T45] PKRU: 55555554
[   14.840050][   T45] Call Trace:
[   14.840142][   T45]  <TASK>
[   14.840207][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.840357][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.840482][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.840581][   T45]  netif_state_change (net/core/dev.c:1605)
[   14.840705][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.840865][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.841024][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.841148][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.841281][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.841402][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.841529][   T45]  process_one_work (kernel/workqueue.c:3314)
[   14.841656][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.841775][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.841913][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.842062][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.842184][   T45]  kthread (kernel/kthread.c:436)
[   14.842289][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.842440][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.842568][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.842691][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.842857][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.842986][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.843109][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.875373][  T237] ------------[ cut here ]------------
| [   14.875591][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/237
| [   14.875839][  T237] Modules linked in:
| [   14.876222][  T237] Tainted: [W]=WARN
[   14.876323][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.876493][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.876678][  T237] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.877745][  T237] RSP: 0018:ffa0000000b07020 EFLAGS: 00010286
[   14.877933][  T237] RAX: 00000000ffffffa6 RBX: ff1100000a72cc80 RCX: 1ff4000000160dca
[   14.878130][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a72cd3c
[   14.878327][  T237] RBP: ff1100000fd11000 R08: 1fe22000014e59a9 R09: ff110000103e0b58
[   14.878530][  T237] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.878726][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.878938][  T237] FS:  00007f20bf05f840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   14.879166][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.879334][  T237] CR2: 0000000004698988 CR3: 000000000fa9f003 CR4: 0000000000771ef0
[   14.879535][  T237] PKRU: 55555554
[   14.879635][  T237] Call Trace:
[   14.879733][  T237]  <TASK>
[   14.879806][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.879949][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.880050][  T237]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.880182][  T237]  __dev_notify_flags (net/core/dev.c:9787)
[   14.880317][  T237]  ? netif_change_name (net/core/dev.c:1495)
[   14.880446][  T237]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.880686][  T237]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.880830][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.880969][  T237]  ? 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))
[   14.881110][  T237]  netif_change_flags (net/core/dev.c:9820)
[   14.881242][  T237]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.881374][  T237]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.881508][  T237]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.881662][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.881834][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.881970][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.882102][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.882235][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.882368][  T237]  ? __kernel_text_address (kernel/extable.c:79)
[   14.882501][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.882658][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.882794][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.882933][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.883064][  T237]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.883194][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.883325][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.883457][  T237]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.883598][  T237]  ? __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)
[   14.883751][  T237]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.883893][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.884028][  T237]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.884163][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.884299][  T237]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.884444][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.884582][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.884714][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.884855][  T237]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.884991][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.885125][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.885257][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.885388][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.885523][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.885659][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.885796][  T237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.885937][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.886068][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.886198][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.886332][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.886462][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.886601][  T237]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.886733][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.886871][  T237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.887012][  T237]  ? 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))
[   14.887144][  T237]  ? 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))
[   14.887277][  T237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.887412][  T237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.887549][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.887684][  T237]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.887825][  T237]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.887965][  T237]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.888099][  T237]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.888235][  T237]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.888368][  T237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.888534][  T237]  ? move_addr_to_kernel (net/socket.c:258)
[   14.888669][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.888821][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.888965][  T237]  ___sys_sendmsg (net/socket.c:2752)
[   14.889096][  T237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.889261][  T237]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.889408][  T237]  __sys_sendmsg (net/socket.c:2784)
[   14.889546][  T237]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.889678][  T237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.889863][  T237]  ? 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)
[   14.890000][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.890133][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.890270][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.890404][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.890543][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.890709][  T237] RIP: 0033:0x7f20bf29908e
[   14.890857][  T237] 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
[   14.891331][  T237] RSP: 002b:00007ffdb2df6920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.891645][  T237] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f20bf29908e
[   14.891850][  T237] RDX: 0000000000000000 RSI: 00007ffdb2df69d0 RDI: 0000000000000005
[   14.892332][  T237] RBP: 00007ffdb2df6930 R08: 0000000000000000 R09: 0000000000000000
[   14.892562][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82e
[   14.892763][  T237] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb2df70a0
| [   14.925542][  T238] ------------[ cut here ]------------
| [   14.925744][  T238] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/238
| [   14.926285][  T238] Modules linked in:
| [   14.926720][  T238] Tainted: [W]=WARN
[   14.926920][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.927096][  T238] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.927276][  T238] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.927773][  T238] RSP: 0018:ffa0000000b17020 EFLAGS: 00010286
[   14.928050][  T238] RAX: 00000000ffffffa6 RBX: ff1100000a72d8c0 RCX: 1ff4000000162dca
[   14.928248][  T238] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a72d97c
[   14.928529][  T238] RBP: ff110000101e9000 R08: 1fe22000014e5b31 R09: ff110000058cd158
[   14.928761][  T238] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   14.929046][  T238] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.929246][  T238] FS:  00007fa367c0f840(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[   14.929503][  T238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.929680][  T238] CR2: 000000002fe4a988 CR3: 0000000004c06003 CR4: 0000000000771ef0
[   14.929944][  T238] PKRU: 55555554
[   14.930049][  T238] Call Trace:
[   14.930147][  T238]  <TASK>
[   14.930243][  T238]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.930382][  T238]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.930481][  T238]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.930620][  T238]  __dev_notify_flags (net/core/dev.c:9787)
[   14.930755][  T238]  ? netif_change_name (net/core/dev.c:1495)
[   14.930954][  T238]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.931085][  T238]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.931217][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.931351][  T238]  ? 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))
[   14.931485][  T238]  netif_change_flags (net/core/dev.c:9820)
[   14.931627][  T238]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.931759][  T238]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.931955][  T238]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.932088][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.932656][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.932797][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.932935][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.933066][  T238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.933198][  T238]  ? __kernel_text_address (kernel/extable.c:79)
[   14.933353][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.933488][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.933630][  T238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.933766][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.933906][  T238]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.934036][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.934164][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.934294][  T238]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.934426][  T238]  ? __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)
[   14.934565][  T238]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.934723][  T238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.934863][  T238]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.935003][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.935138][  T238]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.935271][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.935400][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.935536][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.935666][  T238]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.935803][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.935940][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.936069][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.936199][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.936341][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.936472][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.936608][  T238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.936738][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.936874][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.937010][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.937143][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.937273][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.937405][  T238]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.937546][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.937677][  T238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.937818][  T238]  ? 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))
[   14.937959][  T238]  ? 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))
[   14.938093][  T238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.938225][  T238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.938356][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.938488][  T238]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.938629][  T238]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.938774][  T238]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.938923][  T238]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.939055][  T238]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.939185][  T238]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.939347][  T238]  ? move_addr_to_kernel (net/socket.c:258)
[   14.939479][  T238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.939693][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.939832][  T238]  ___sys_sendmsg (net/socket.c:2752)
[   14.939969][  T238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.940131][  T238]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.940273][  T238]  __sys_sendmsg (net/socket.c:2784)
[   14.940425][  T238]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.940567][  T238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.940731][  T238]  ? 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)
[   14.940867][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.941003][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.941134][  T238]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.941265][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.941416][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.941591][  T238] RIP: 0033:0x7fa367e4908e
[   14.941732][  T238] 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
[   14.942210][  T238] RSP: 002b:00007ffdbeb17f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.942435][  T238] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa367e4908e
[   14.942638][  T238] RDX: 0000000000000000 RSI: 00007ffdbeb17fd0 RDI: 0000000000000005
[   14.942837][  T238] RBP: 00007ffdbeb17f30 R08: 0000000000000000 R09: 0000000000000000
[   14.943051][  T238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82e
[   14.943247][  T238] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbeb186a0
| [   14.945401][   T45] ------------[ cut here ]------------
| [   14.945599][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/45
| [   14.946132][   T45] Modules linked in:
| [   14.946655][   T45] Tainted: [W]=WARN
[   14.946807][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.947022][   T45] Workqueue: events_unbound linkwatch_event
[   14.947251][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.947456][   T45] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.948006][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   14.948205][   T45] RAX: 00000000ffffffa6 RBX: ff11000008ab0200 RCX: 1ff4000000063f02
[   14.948428][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008ab02bc
[   14.948739][   T45] RBP: ff1100000a044000 R08: 1fe2200001156059 R09: ff110000020051a8
[   14.949034][   T45] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   14.949257][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.949484][   T45] FS:  0000000000000000(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[   14.949748][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.949986][   T45] CR2: 000055b7efedfd5c CR3: 0000000005546004 CR4: 0000000000771ef0
[   14.950335][   T45] PKRU: 55555554
[   14.950471][   T45] Call Trace:
[   14.950618][   T45]  <TASK>
[   14.950749][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.950939][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.951195][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.951348][   T45]  netif_state_change (net/core/dev.c:1605)
[   14.951516][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.951723][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.952019][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.952189][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.952356][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.952530][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.952773][   T45]  process_one_work (kernel/workqueue.c:3314)
[   14.953011][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.953178][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.953348][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.953609][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.953773][   T45]  kthread (kernel/kthread.c:436)
[   14.953943][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.954139][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.954394][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.954610][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.954822][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.955003][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.955170][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.980294][  T239] ------------[ cut here ]------------
| [   14.980466][  T239] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/239
| [   14.980703][  T239] Modules linked in:
| [   14.981092][  T239] Tainted: [W]=WARN
[   14.981190][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.981353][  T239] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.981535][  T239] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.982035][  T239] RSP: 0018:ffa0000000b27020 EFLAGS: 00010286
[   14.982200][  T239] RAX: 00000000ffffffa6 RBX: ff11000008ab1000 RCX: 1ff4000000164dca
[   14.982395][  T239] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008ab10bc
[   14.982597][  T239] RBP: ff1100000fd14000 R08: 1fe2200001156219 R09: ff11000009270b58
[   14.982802][  T239] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.983002][  T239] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.983198][  T239] FS:  00007f5d5d2a4840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   14.983427][  T239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.983599][  T239] CR2: 0000000018e7b988 CR3: 000000000faae006 CR4: 0000000000771ef0
[   14.983802][  T239] PKRU: 55555554
[   14.983905][  T239] Call Trace:
[   14.984003][  T239]  <TASK>
[   14.984072][  T239]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.984205][  T239]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.984305][  T239]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.984436][  T239]  __dev_notify_flags (net/core/dev.c:9787)
[   14.984577][  T239]  ? netif_change_name (net/core/dev.c:1495)
[   14.984707][  T239]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.984845][  T239]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.984982][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.985112][  T239]  ? 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))
[   14.985245][  T239]  netif_change_flags (net/core/dev.c:9820)
[   14.985375][  T239]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.985509][  T239]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.985647][  T239]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.985780][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.985955][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.986086][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.986216][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.986347][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.986479][  T239]  ? __kernel_text_address (kernel/extable.c:79)
[   14.986618][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.986750][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.986888][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.987023][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.987153][  T239]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.987284][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.987413][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.987550][  T239]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.987683][  T239]  ? __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)
[   14.987933][  T239]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.988119][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.988252][  T239]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.988384][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.988521][  T239]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.988658][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.988787][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.988992][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.989120][  T239]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.989250][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.989381][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.989510][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.989646][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.989775][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.989996][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.990129][  T239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.990259][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.990388][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.990517][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.990655][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.990784][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.991075][  T239]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.991208][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.991338][  T239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.991471][  T239]  ? 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))
[   14.991691][  T239]  ? 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))
[   14.991899][  T239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.992030][  T239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.992161][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.992293][  T239]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.992426][  T239]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.992566][  T239]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.992699][  T239]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.992849][  T239]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.992987][  T239]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.993149][  T239]  ? move_addr_to_kernel (net/socket.c:258)
[   14.993301][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.993438][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.993576][  T239]  ___sys_sendmsg (net/socket.c:2752)
[   14.993705][  T239]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.993870][  T239]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.994036][  T239]  __sys_sendmsg (net/socket.c:2784)
[   14.994166][  T239]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.994296][  T239]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.994463][  T239]  ? 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)
[   14.994600][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.994733][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.994869][  T239]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.995005][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.995136][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.995330][  T239] RIP: 0033:0x7f5d5d4de08e
[   14.995470][  T239] 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
[   14.995971][  T239] RSP: 002b:00007fff68c33ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.996180][  T239] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5d5d4de08e
[   14.996387][  T239] RDX: 0000000000000000 RSI: 00007fff68c33b80 RDI: 0000000000000005
[   14.996589][  T239] RBP: 00007fff68c33ae0 R08: 0000000000000000 R09: 0000000000000000
[   14.996787][  T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82e
[   14.996997][  T239] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff68c34250
| [   15.006568][   T39] ------------[ cut here ]------------
| [   15.006721][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/39
| [   15.007175][   T39] Modules linked in:
| [   15.007576][   T39] Tainted: [W]=WARN
[   15.007706][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.007883][   T39] Workqueue: events_unbound linkwatch_event
[   15.008062][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.008227][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.008697][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   15.008865][   T39] RAX: 00000000ffffffa6 RBX: ff11000008ab1a80 RCX: 1ff4000000057f02
[   15.009058][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008ab1b3c
[   15.009246][   T39] RBP: ff1100000fd11000 R08: 1fe2200001156369 R09: ff11000001da51a8
[   15.009433][   T39] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   15.009627][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.009818][   T39] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[   15.010046][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.010201][   T39] CR2: 00007f7a73c59574 CR3: 000000007014d002 CR4: 0000000000771ef0
[   15.010385][   T39] PKRU: 55555554
[   15.010476][   T39] Call Trace:
[   15.010572][   T39]  <TASK>
[   15.010637][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.010762][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.010898][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.010992][   T39]  netif_state_change (net/core/dev.c:1605)
[   15.011132][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.011285][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.011405][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.011531][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.011660][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.011784][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.011919][   T39]  process_one_work (kernel/workqueue.c:3314)
[   15.012044][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.012163][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.012289][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.012419][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.012545][   T39]  kthread (kernel/kthread.c:436)
[   15.012638][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.012794][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.012923][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.013045][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.013196][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.013318][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.013439][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.107432][  T242] ------------[ cut here ]------------
| [   15.107635][  T242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/242
| [   15.107887][  T242] Modules linked in:
| [   15.108325][  T242] Tainted: [W]=WARN
[   15.108425][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.108598][  T242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.108769][  T242] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.109270][  T242] RSP: 0018:ffa0000000b57150 EFLAGS: 00010286
[   15.109435][  T242] RAX: 00000000ffffffa6 RBX: ff1100000ce89700 RCX: 1ff400000016adf0
[   15.109653][  T242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce897bc
[   15.109861][  T242] RBP: ff1100000fee9000 R08: 1fe22000019d12f9 R09: ff11000008df5158
[   15.110059][  T242] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   15.110253][  T242] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c1c4040
[   15.110449][  T242] FS:  00007fb312d6d840(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[   15.110687][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.110858][  T242] CR2: 00000000004eba78 CR3: 000000000b4fc005 CR4: 0000000000771ef0
[   15.111062][  T242] PKRU: 55555554
[   15.111160][  T242] Call Trace:
[   15.111257][  T242]  <TASK>
[   15.111326][  T242]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.111459][  T242]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.111610][  T242]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.111711][  T242]  netif_state_change (net/core/dev.c:1605)
[   15.111851][  T242]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.112017][  T242]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   15.112180][  T242]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   15.112310][  T242]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   15.112439][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.112573][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.112702][  T242]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   15.112835][  T242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.112981][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.113110][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.113257][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.113385][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.113514][  T242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.113650][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.113793][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.113934][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.114063][  T242]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   15.114191][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.114319][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.114448][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.114661][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.114797][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.114932][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.115063][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.115193][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.115323][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.115454][  T242]  ? 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))
[   15.115612][  T242]  ? 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))
[   15.115746][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.115901][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.116031][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.116160][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.116290][  T242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.116423][  T242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.116562][  T242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.116694][  T242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.116831][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.116997][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   15.117145][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.117282][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.117443][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.117576][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.117738][  T242]  ___sys_sendmsg (net/socket.c:2752)
[   15.117871][  T242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.118028][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.118175][  T242]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   15.118303][  T242]  ? do_getsockname (net/socket.c:2192)
[   15.118434][  T242]  __sys_sendmsg (net/socket.c:2784)
[   15.118569][  T242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.118727][  T242]  ? __sys_getsockname (net/socket.c:2210)
[   15.118871][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.119007][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.119139][  T242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.119270][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.119418][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.119589][  T242] RIP: 0033:0x7fb312fa708e
[   15.119727][  T242] 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
[   15.120199][  T242] RSP: 002b:00007ffc20700f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.120395][  T242] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb312fa708e
[   15.120600][  T242] RDX: 0000000000000000 RSI: 00007ffc20700fd0 RDI: 0000000000000006
[   15.120800][  T242] RBP: 00007ffc20700f30 R08: 0000000000000000 R09: 0000000000000000
[   15.120999][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c82e
[   15.121218][  T242] R13: 00007ffc20701080 R14: 0000000000000000 R15: 00007ffc20701bf0
| [   15.130751][   T37] ------------[ cut here ]------------
| [   15.130952][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [   15.131204][   T37] Modules linked in:
| [   15.131602][   T37] Tainted: [W]=WARN
[   15.131699][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.131866][   T37] Workqueue: events_unbound linkwatch_event
[   15.132030][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.132223][   T37] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.132685][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[   15.132851][   T37] RAX: 00000000ffffffa6 RBX: ff1100000b88ee40 RCX: 1ff4000000053f02
[   15.133041][   T37] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b88eefc
[   15.133217][   T37] RBP: ff110000101e9000 R08: 1fe2200001711de1 R09: ff11000001da0ba8
[   15.133399][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   15.133587][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.133769][   T37] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[   15.134053][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.134205][   T37] CR2: 00007f4c150f7574 CR3: 000000007014d003 CR4: 0000000000771ef0
[   15.134441][   T37] PKRU: 55555554
[   15.134536][   T37] Call Trace:
[   15.134627][   T37]  <TASK>
[   15.134691][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.134870][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.134994][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.135085][   T37]  netif_state_change (net/core/dev.c:1605)
[   15.135205][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.135361][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.135485][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.135632][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.135756][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.135943][   T37]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.136064][   T37]  process_one_work (kernel/workqueue.c:3314)
[   15.136188][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.136308][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.136433][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.136563][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.136684][   T37]  kthread (kernel/kthread.c:436)
[   15.136774][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.136982][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.137104][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.137248][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.137400][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.137526][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.137649][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.140193][   T37] ------------[ cut here ]------------
| [   15.140340][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [   15.140613][   T37] Modules linked in:
| [   15.141017][   T37] Tainted: [W]=WARN
[   15.141132][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.141284][   T37] Workqueue: events_unbound linkwatch_event
[   15.142023][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.142189][   T37] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.142634][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[   15.142784][   T37] RAX: 00000000ffffffa6 RBX: ff1100000b88f700 RCX: 1ff4000000053f02
[   15.142996][   T37] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b88f7bc
[   15.143177][   T37] RBP: ff1100000fd14000 R08: 1fe2200001711ef9 R09: ff11000001da0ba8
[   15.143364][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   15.143549][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.143726][   T37] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[   15.143947][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.144097][   T37] CR2: 00007f4c150f7574 CR3: 000000007014d003 CR4: 0000000000771ef0
[   15.144278][   T37] PKRU: 55555554
[   15.144367][   T37] Call Trace:
[   15.144474][   T37]  <TASK>
[   15.144545][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.145390][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.145517][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.145616][   T37]  netif_state_change (net/core/dev.c:1605)
[   15.145749][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.145908][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.146026][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.146145][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.146265][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.146382][   T37]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.146501][   T37]  process_one_work (kernel/workqueue.c:3314)
[   15.146633][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.146751][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.146881][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.147010][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.147134][   T37]  kthread (kernel/kthread.c:436)
[   15.147225][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.147378][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.147500][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.147630][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.147778][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.147908][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.148028][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.714555][   T12] ------------[ cut here ]------------
| [  289.714754][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  289.715100][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.715616][   T12] Tainted: [W]=WARN
[  289.715709][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.715880][   T12] Workqueue: netns cleanup_net
[  289.716014][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.716175][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.716666][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  289.716882][   T12] RAX: 00000000ffffffa6 RBX: ff1100000deab380 RCX: 1ff4000000018eed
[  289.717068][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000deab43c
[  289.717260][   T12] RBP: ff1100000fab9000 R08: 1fe2200001bd5689 R09: ff11000001aed1d0
[  289.717442][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  289.717625][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.717822][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  289.718041][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.718201][   T12] CR2: 00007fa388dad2a0 CR3: 000000007014d005 CR4: 0000000000771ef0
[  289.718392][   T12] PKRU: 55555554
[  289.718488][   T12] Call Trace:
[  289.718581][   T12]  <TASK>
[  289.718648][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.718819][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.718971][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  289.719094][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  289.719217][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.719346][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  289.719471][   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)
[  289.719594][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  289.719718][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.719905][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.720108][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.720234][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.720355][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.720479][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.720602][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.720726][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.720903][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.721027][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.721153][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.721279][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.721399][   T12]  kthread (kernel/kthread.c:436)
[  289.721492][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.721646][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.721770][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.721982][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.722136][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.722263][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.722400][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.725275][   T12] ------------[ cut here ]------------
| [  289.725409][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  289.725671][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.727128][   T12] Tainted: [W]=WARN
[  289.727223][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.727382][   T12] Workqueue: netns cleanup_net
[  289.727512][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.727672][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.728163][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  289.728328][   T12] RAX: 00000000ffffffa6 RBX: ff1100000deab8c0 RCX: 1ff4000000018eed
[  289.728516][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000deab97c
[  289.728700][   T12] RBP: ff1100000fa7c000 R08: 1fe2200001bd5731 R09: ff11000001aed1d0
[  289.728895][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  289.729080][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.729274][   T12] FS:  0000000000000000(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[  289.729573][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.729725][   T12] CR2: 00007fff27691ae8 CR3: 0000000005546002 CR4: 0000000000771ef0
[  289.729998][   T12] PKRU: 55555554
[  289.730091][   T12] Call Trace:
[  289.730182][   T12]  <TASK>
[  289.730251][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.730409][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.730633][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  289.730758][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  289.730892][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.731016][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  289.731214][   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)
[  289.731344][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  289.731473][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.731596][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.731806][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.731936][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.732060][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.732186][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.732384][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.732509][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.732637][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.732759][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.732970][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.733097][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.733221][   T12]  kthread (kernel/kthread.c:436)
[  289.733319][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.733551][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.733675][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.733812][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.733972][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.734169][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.734299][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.737195][   T12] ------------[ cut here ]------------
| [  289.737323][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  289.737642][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.738500][   T12] Tainted: [W]=WARN
[  289.738592][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.738757][   T12] Workqueue: netns cleanup_net
[  289.738996][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.739160][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.739612][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  289.739773][   T12] RAX: 00000000ffffffa6 RBX: ff1100000deaa580 RCX: 1ff4000000018eed
[  289.740058][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000deaa63c
[  289.740244][   T12] RBP: ff1100000a88c000 R08: 1fe2200001bd54c9 R09: ff11000001aed1d0
[  289.740476][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  289.740660][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.740973][   T12] FS:  0000000000000000(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[  289.741190][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.741347][   T12] CR2: 00007fff27691ae8 CR3: 0000000005546002 CR4: 0000000000771ef0
[  289.741529][   T12] PKRU: 55555554
[  289.741622][   T12] Call Trace:
[  289.741713][   T12]  <TASK>
[  289.741787][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.742027][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.742177][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  289.742305][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  289.742429][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.742551][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  289.742675][   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)
[  289.742883][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  289.743007][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.743133][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.743262][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.743386][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.743507][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.743632][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.743756][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.743974][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.744102][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.744224][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.744357][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.744486][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.744607][   T12]  kthread (kernel/kthread.c:436)
[  289.744699][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.744935][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.745058][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.745181][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.745335][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.745458][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.745581][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.748166][   T12] ------------[ cut here ]------------
| [  289.748303][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  289.748545][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.749029][   T12] Tainted: [W]=WARN
[  289.749120][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.749275][   T12] Workqueue: netns cleanup_net
[  289.749402][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.749559][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.750002][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  289.750158][   T12] RAX: 00000000ffffffa6 RBX: ff1100000deaa200 RCX: 1ff4000000018eed
[  289.750349][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000deaa2bc
[  289.750532][   T12] RBP: ff1100000ef84000 R08: 1fe2200001bd5459 R09: ff11000001aed1d0
[  289.750716][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  289.750906][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.751089][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  289.751306][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.751468][   T12] CR2: 00007fa388dad2a0 CR3: 000000007014d005 CR4: 0000000000771ef0
[  289.751832][   T12] PKRU: 55555554
[  289.751925][   T12] Call Trace:
[  289.752016][   T12]  <TASK>
[  289.752080][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.752245][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.752405][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  289.752530][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  289.752653][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.752779][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  289.752912][   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)
[  289.753045][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  289.753169][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.753294][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.753422][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.753547][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.753669][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.753803][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.753927][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.754052][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.754178][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.754303][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.754430][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.754556][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.754678][   T12]  kthread (kernel/kthread.c:436)
[  289.754770][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.754930][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.755059][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.755182][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.755342][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.755466][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.755598][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.757680][   T12] ------------[ cut here ]------------
| [  289.757812][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  289.758049][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.758522][   T12] Tainted: [W]=WARN
[  289.758613][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.758763][   T12] Workqueue: netns cleanup_net
[  289.758903][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.759061][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.759505][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  289.759659][   T12] RAX: 00000000ffffffa6 RBX: ff1100000deab1c0 RCX: 1ff4000000018eed
[  289.759852][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000deab27c
[  289.760031][   T12] RBP: ff11000009c8c000 R08: 1fe2200001bd5651 R09: ff11000001aed1d0
[  289.760212][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  289.760391][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.760576][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  289.760794][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.760950][   T12] CR2: 00007fa388dad2a0 CR3: 000000007014d005 CR4: 0000000000771ef0
[  289.761131][   T12] PKRU: 55555554
[  289.761221][   T12] Call Trace:
[  289.761316][   T12]  <TASK>
[  289.761380][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.761533][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.761682][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  289.761888][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  289.762009][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.762129][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  289.762256][   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)
[  289.762454][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  289.762581][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.762702][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.762910][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.763033][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.763153][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.763292][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.763414][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.763613][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.763738][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.763873][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.763999][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.764199][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.764325][   T12]  kthread (kernel/kthread.c:436)
[  289.764421][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.764580][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.764772][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.764904][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.765054][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.765254][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.765376][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.779644][   T12] ------------[ cut here ]------------
| [  289.779807][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  289.780064][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.780584][   T12] Tainted: [W]=WARN
[  289.780683][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.780860][   T12] Workqueue: netns cleanup_net
[  289.780993][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.781158][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.781617][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  289.781783][   T12] RAX: 00000000ffffffa6 RBX: ff1100000deabc40 RCX: 1ff4000000018eaf
[  289.782006][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000deabcfc
[  289.782195][   T12] RBP: ff110000082ac000 R08: 1fe2200001bd57a1 R09: ff11000001aed1d0
[  289.782393][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  289.782584][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fee9000
[  289.782779][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  289.783015][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.783176][   T12] CR2: 00007fa388dad2a0 CR3: 000000007014d005 CR4: 0000000000771ef0
[  289.783368][   T12] PKRU: 55555554
[  289.783469][   T12] Call Trace:
[  289.783563][   T12]  <TASK>
[  289.783631][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  289.783760][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  289.783866][   T12]  netif_close_many (net/core/dev.c:1804)
[  289.783995][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.784124][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.784256][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.784382][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  289.784512][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  289.784669][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  289.784837][   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)
[  289.784967][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.785127][   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)
[  289.785259][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.785388][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  289.785550][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  289.785679][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  289.785820][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  289.785947][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  289.786074][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  289.786202][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  289.786333][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.786461][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.786588][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.786715][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.786852][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.786982][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.787110][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.787241][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.787370][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.787500][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.787631][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.787761][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.787898][   T12]  kthread (kernel/kthread.c:436)
[  289.787994][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.788155][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.788286][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.788415][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.788581][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.788707][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.788843][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.793478][   T12] ------------[ cut here ]------------
| [  289.793619][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  289.793884][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.794383][   T12] Tainted: [W]=WARN
[  289.794481][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.794644][   T12] Workqueue: netns cleanup_net
[  289.794781][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.794954][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.795408][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  289.795566][   T12] RAX: 00000000ffffffa6 RBX: ff1100001695cc80 RCX: 1ff4000000018eaf
[  289.795755][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001695cd3c
[  289.795953][   T12] RBP: ff1100000fee9000 R08: 1fe2200002d2b9a9 R09: ff11000001aed1d0
[  289.796141][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  289.796331][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a79c000
[  289.796523][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  289.796747][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.796917][   T12] CR2: 00007fa388dad2a0 CR3: 000000007014d005 CR4: 0000000000771ef0
[  289.797106][   T12] PKRU: 55555554
[  289.797200][   T12] Call Trace:
[  289.797298][   T12]  <TASK>
[  289.797364][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  289.797492][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  289.797620][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  289.797716][   T12]  netif_close_many (net/core/dev.c:1804)
[  289.797854][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.797980][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.798107][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.798237][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  289.798364][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  289.798526][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  289.798684][   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)
[  289.798822][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.798979][   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)
[  289.799105][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.799236][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  289.799400][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  289.799531][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  289.799659][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  289.799796][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  289.799927][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  289.800056][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  289.800185][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.800319][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.800451][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.800579][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.800707][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.800846][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.800972][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.801099][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.801237][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.801365][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.801497][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.801629][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.801755][   T12]  kthread (kernel/kthread.c:436)
[  289.801858][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.802017][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.802145][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.802278][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.802440][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.802568][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.802695][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.807555][   T12] ------------[ cut here ]------------
| [  289.807696][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  289.807956][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.808457][   T12] Tainted: [W]=WARN
[  289.808553][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.808717][   T12] Workqueue: netns cleanup_net
[  289.808865][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.809035][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.809492][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  289.809651][   T12] RAX: 00000000ffffffa6 RBX: ff1100000baf3000 RCX: 1ff4000000018eaf
[  289.809852][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baf30bc
[  289.810042][   T12] RBP: ff1100000a79c000 R08: 1fe220000175e619 R09: ff11000001aed1d0
[  289.810238][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  289.810430][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  289.810620][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  289.810854][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.811014][   T12] CR2: 00007fa388dad2a0 CR3: 000000007014d005 CR4: 0000000000771ef0
[  289.811205][   T12] PKRU: 55555554
[  289.811303][   T12] Call Trace:
[  289.811398][   T12]  <TASK>
[  289.811465][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  289.811593][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  289.811722][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  289.811828][   T12]  netif_close_many (net/core/dev.c:1804)
[  289.811959][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.812084][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.812211][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.812341][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  289.812467][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  289.812633][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  289.812802][   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)
[  289.812929][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.813089][   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)
[  289.813219][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.813351][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  289.813511][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  289.813641][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  289.813767][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  289.813904][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  289.814032][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  289.814166][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  289.814304][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.814431][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.814559][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.814687][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.814822][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.814954][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.815081][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.815209][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.815342][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.815467][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.815599][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.815730][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.815871][   T12]  kthread (kernel/kthread.c:436)
[  289.815970][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.816135][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.816268][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.816396][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.816554][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.816680][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.816818][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.819747][   T12] ------------[ cut here ]------------
| [  289.820419][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  289.820677][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.821226][   T12] Tainted: [W]=WARN
[  289.821326][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.821479][   T12] Workqueue: netns cleanup_net
[  289.821608][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.821766][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.822270][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  289.822424][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d4fa740 RCX: 1ff4000000018ed5
[  289.822605][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4fa7fc
[  289.822840][   T12] RBP: ff110000082ac000 R08: 1fe2200001a9f501 R09: ff11000001aed1d0
[  289.823020][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  289.823200][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.823389][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  289.823603][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.823754][   T12] CR2: 00007fa388dad2a0 CR3: 000000007014d005 CR4: 0000000000771ef0
[  289.823991][   T12] PKRU: 55555554
[  289.824083][   T12] Call Trace:
[  289.824172][   T12]  <TASK>
[  289.824243][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.824416][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.824566][   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)
[  289.824693][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.824874][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  289.825028][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  289.825156][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  289.825286][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  289.825411][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  289.825534][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  289.825657][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.825783][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.825957][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.826081][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.826200][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.826331][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.826451][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.826577][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.826701][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.826881][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.827010][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.827137][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.827268][   T12]  kthread (kernel/kthread.c:436)
[  289.827361][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.827512][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.827633][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.827754][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.827957][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.828079][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.828203][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.833491][   T12] ------------[ cut here ]------------
| [  289.833646][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  289.833955][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.834446][   T12] Tainted: [W]=WARN
[  289.834541][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.834697][   T12] Workqueue: netns cleanup_net
[  289.834843][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.835002][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.835448][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  289.835607][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d4fb380 RCX: 1ff4000000018ed5
[  289.835798][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4fb43c
[  289.835986][   T12] RBP: ff1100000fee9000 R08: 1fe2200001a9f689 R09: ff11000001aed1d0
[  289.836169][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  289.836361][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.836546][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  289.836758][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.836921][   T12] CR2: 00007fa388dad2a0 CR3: 000000007014d005 CR4: 0000000000771ef0
[  289.837104][   T12] PKRU: 55555554
[  289.837197][   T12] Call Trace:
[  289.837292][   T12]  <TASK>
[  289.837357][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.837514][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.837665][   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)
[  289.837799][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.837923][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  289.838080][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  289.838210][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  289.838346][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  289.838469][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  289.838601][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  289.838724][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.838981][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.839109][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.839237][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.839360][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.839484][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.839606][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.839735][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.839990][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.840113][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.840247][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.840377][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.840500][   T12]  kthread (kernel/kthread.c:436)
[  289.840593][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.840745][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.840998][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.841122][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.841275][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.841398][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.841521][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.853626][   T12] ------------[ cut here ]------------
| [  289.853922][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  289.854177][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.854661][   T12] Tainted: [W]=WARN
[  289.854752][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.854970][   T12] Workqueue: netns cleanup_net
[  289.855099][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.855269][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.855760][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  289.855968][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d673540 RCX: 1ff4000000018ed5
[  289.856149][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6735fc
[  289.856333][   T12] RBP: ff1100000a79c000 R08: 1fe2200001ace6c1 R09: ff11000001aed1d0
[  289.856515][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  289.856694][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.856927][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  289.857140][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.857298][   T12] CR2: 00007fa388dad2a0 CR3: 000000007014d005 CR4: 0000000000771ef0
[  289.857481][   T12] PKRU: 55555554
[  289.857574][   T12] Call Trace:
[  289.857664][   T12]  <TASK>
[  289.857728][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.857939][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.858091][   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)
[  289.858213][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.858343][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  289.858502][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  289.858624][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  289.858747][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  289.858925][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  289.859048][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  289.859172][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.859306][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.859433][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.859557][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.859677][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.859830][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.859950][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.860074][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.860200][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.860328][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.860457][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.860582][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.860704][   T12]  kthread (kernel/kthread.c:436)
[  289.860803][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.860956][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.861078][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.861200][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.861361][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.861484][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.861606][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.949812][   T12] ------------[ cut here ]------------
| [  289.949981][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  289.950228][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.950711][   T12] Tainted: [W]=WARN
[  289.950821][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.950973][   T12] Workqueue: netns cleanup_net
[  289.951101][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.951272][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.951731][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  289.951895][   T12] RAX: 00000000ffffffa6 RBX: ff110000164dda80 RCX: 1ff4000000018eed
[  289.952092][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000164ddb3c
[  289.952277][   T12] RBP: ff1100000fb5c000 R08: 1fe2200002c9bb69 R09: ff11000001aed1d0
[  289.952459][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  289.952650][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.952885][   T12] FS:  0000000000000000(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[  289.953101][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.953258][   T12] CR2: 000055b7efedfd5c CR3: 0000000005546002 CR4: 0000000000771ef0
[  289.953439][   T12] PKRU: 55555554
[  289.953530][   T12] Call Trace:
[  289.953620][   T12]  <TASK>
[  289.953684][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.953854][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.954005][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  289.954129][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  289.954257][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.954379][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  289.954500][   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)
[  289.954624][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  289.954746][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.954877][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.955002][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.955123][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.955246][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.955371][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.955489][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.955612][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.955734][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.955867][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.955992][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.956117][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.956242][   T12]  kthread (kernel/kthread.c:436)
[  289.956333][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.956482][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.956602][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.956722][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.956884][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.957005][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.957127][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.959554][   T12] ------------[ cut here ]------------
| [  289.959684][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  289.960022][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.960501][   T12] Tainted: [W]=WARN
[  289.960592][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.960745][   T12] Workqueue: netns cleanup_net
[  289.960967][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.961127][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.961563][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  289.961714][   T12] RAX: 00000000ffffffa6 RBX: ff110000090c9700 RCX: 1ff4000000018eed
[  289.961908][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000090c97bc
[  289.962098][   T12] RBP: ff1100000fc24000 R08: 1fe22000012192f9 R09: ff11000001aed1d0
[  289.962284][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  289.962476][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.962663][   T12] FS:  0000000000000000(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[  289.962888][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.963040][   T12] CR2: 000055b7efedfd5c CR3: 0000000005546002 CR4: 0000000000771ef0
[  289.963222][   T12] PKRU: 55555554
[  289.963319][   T12] Call Trace:
[  289.963412][   T12]  <TASK>
[  289.963476][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.963633][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.963794][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  289.963917][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  289.964040][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.964160][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  289.964289][   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)
[  289.964416][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  289.964545][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.964664][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.964801][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.964924][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.965045][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.965168][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.965294][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.965421][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.965548][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.965670][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.965807][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.965934][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.966061][   T12]  kthread (kernel/kthread.c:436)
[  289.966154][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.966314][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.966439][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.966566][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.966719][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.966854][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.966977][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.969751][   T12] ------------[ cut here ]------------
| [  289.970428][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  289.970686][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.971261][   T12] Tainted: [W]=WARN
[  289.971356][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.971512][   T12] Workqueue: netns cleanup_net
[  289.971645][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.971869][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.972325][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  289.972492][   T12] RAX: 00000000ffffffa6 RBX: ff110000090c9380 RCX: 1ff4000000018eed
[  289.972727][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000090c943c
[  289.972970][   T12] RBP: ff1100000fec4000 R08: 1fe2200001219289 R09: ff11000001aed1d0
[  289.973152][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  289.973340][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.973528][   T12] FS:  0000000000000000(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[  289.973755][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.973968][   T12] CR2: 000055b7efedfd5c CR3: 0000000005546002 CR4: 0000000000771ef0
[  289.974156][   T12] PKRU: 55555554
[  289.974257][   T12] Call Trace:
[  289.974350][   T12]  <TASK>
[  289.974414][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.974579][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.974731][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  289.974911][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  289.975046][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.975169][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  289.975302][   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)
[  289.975428][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  289.975557][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.975687][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.975873][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.975999][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.976122][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.976252][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.976373][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.976498][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.976624][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.976748][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.976935][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.977065][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.977188][   T12]  kthread (kernel/kthread.c:436)
[  289.977289][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.977452][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.977576][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.977709][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.977918][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.978042][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.978166][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.980758][   T12] ------------[ cut here ]------------
| [  289.980923][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  289.981175][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.981676][   T12] Tainted: [W]=WARN
[  289.981769][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.981937][   T12] Workqueue: netns cleanup_net
[  289.982068][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.982235][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.982674][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  289.982851][   T12] RAX: 00000000ffffffa6 RBX: ff110000090c9000 RCX: 1ff4000000018eed
[  289.983041][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000090c90bc
[  289.983224][   T12] RBP: ff1100000eec4000 R08: 1fe2200001219219 R09: ff11000001aed1d0
[  289.983416][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  289.983600][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.983815][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  289.984033][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.984191][   T12] CR2: 000055b82bf0d140 CR3: 000000007014d005 CR4: 0000000000771ef0
[  289.984384][   T12] PKRU: 55555554
[  289.984477][   T12] Call Trace:
[  289.984571][   T12]  <TASK>
[  289.984637][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.984803][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.984959][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  289.985194][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  289.985348][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.985474][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  289.985599][   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)
[  289.985725][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  289.985874][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.985998][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.986125][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.986263][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.986392][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.986524][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.986648][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.986799][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.986930][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.987052][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.987185][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.987317][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.987438][   T12]  kthread (kernel/kthread.c:436)
[  289.987530][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.987683][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.987817][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.987941][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.988102][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.988223][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.988350][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  289.990632][   T12] ------------[ cut here ]------------
| [  289.990761][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  289.991478][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  289.992021][   T12] Tainted: [W]=WARN
[  289.992119][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.992282][   T12] Workqueue: netns cleanup_net
[  289.992414][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  289.992579][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  289.993085][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  289.993256][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd98200 RCX: 1ff4000000018eed
[  289.993443][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd982bc
[  289.993634][   T12] RBP: ff1100000fd64000 R08: 1fe22000019b3059 R09: ff11000001aed1d0
[  289.993889][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  289.994086][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  289.994281][   T12] FS:  0000000000000000(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[  289.994498][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.994654][   T12] CR2: 000055b7efedfd5c CR3: 000000007014d004 CR4: 0000000000771ef0
[  289.994899][   T12] PKRU: 55555554
[  289.994991][   T12] Call Trace:
[  289.995083][   T12]  <TASK>
[  289.995149][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  289.995312][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  289.995466][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  289.995590][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  289.995712][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  289.995856][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  289.995985][   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)
[  289.996111][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  289.996244][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  289.996368][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  289.996495][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  289.996620][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  289.996743][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  289.996882][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  289.997006][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  289.997131][   T12]  process_one_work (kernel/workqueue.c:3314)
[  289.997264][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  289.997386][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  289.997515][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  289.997649][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  289.997773][   T12]  kthread (kernel/kthread.c:436)
[  289.997877][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.998034][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.998158][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  289.998289][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  289.998441][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  289.998566][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  289.998688][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.012833][   T12] ------------[ cut here ]------------
| [  290.012975][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  290.013231][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.013727][   T12] Tainted: [W]=WARN
[  290.013847][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.014013][   T12] Workqueue: netns cleanup_net
[  290.014146][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.014316][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.014773][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  290.014948][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd983c0 RCX: 1ff4000000018eaf
[  290.015140][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd9847c
[  290.015335][   T12] RBP: ff1100000a044000 R08: 1fe22000019b3091 R09: ff11000001aed1d0
[  290.015530][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  290.015718][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000101e9000
[  290.015922][   T12] FS:  0000000000000000(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[  290.016146][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.016309][   T12] CR2: 000055b7efedfd5c CR3: 000000007014d004 CR4: 0000000000771ef0
[  290.016505][   T12] PKRU: 55555554
[  290.016603][   T12] Call Trace:
[  290.016701][   T12]  <TASK>
[  290.016768][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  290.016911][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  290.017010][   T12]  netif_close_many (net/core/dev.c:1804)
[  290.017138][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.017270][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.017403][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.017531][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  290.017659][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  290.017830][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  290.017991][   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)
[  290.018120][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.018282][   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)
[  290.018413][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.018542][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  290.018702][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  290.018842][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.018972][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.019101][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.019233][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.019367][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.019497][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.019624][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.019754][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.019893][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.020021][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.020152][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.020286][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.020418][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.020550][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.020678][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.020822][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.020957][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.021084][   T12]  kthread (kernel/kthread.c:436)
[  290.021182][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.021349][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.021478][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.021609][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.021768][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.021908][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.022037][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.026243][   T12] ------------[ cut here ]------------
| [  290.026378][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  290.026633][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.027219][   T12] Tainted: [W]=WARN
[  290.027320][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.027485][   T12] Workqueue: netns cleanup_net
[  290.027617][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.027795][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.028248][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  290.028412][   T12] RAX: 00000000ffffffa6 RBX: ff11000015c971c0 RCX: 1ff4000000018eaf
[  290.028604][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000015c9727c
[  290.028876][   T12] RBP: ff110000101e9000 R08: 1fe2200002b92e51 R09: ff11000001aed1d0
[  290.029067][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  290.029265][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd69000
[  290.029460][   T12] FS:  0000000000000000(0000) GS:ff110000b2647000(0000) knlGS:0000000000000000
[  290.029693][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.029920][   T12] CR2: 000055b7efedfd5c CR3: 000000007014d004 CR4: 0000000000771ef0
[  290.030117][   T12] PKRU: 55555554
[  290.030215][   T12] Call Trace:
[  290.030317][   T12]  <TASK>
[  290.030384][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  290.030541][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  290.030672][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  290.030770][   T12]  netif_close_many (net/core/dev.c:1804)
[  290.030965][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.031092][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.031220][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.031353][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  290.031481][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  290.031644][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  290.031864][   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)
[  290.031994][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.032154][   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)
[  290.032292][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.032426][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  290.032589][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  290.032721][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.032908][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.033040][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.033169][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.033307][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.033438][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.033563][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.033696][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.033902][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.034031][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.034162][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.034296][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.034430][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.034560][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.034687][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.034877][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.035010][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.035138][   T12]  kthread (kernel/kthread.c:436)
[  290.035240][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.035400][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.035529][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.035657][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.035890][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.036017][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.036144][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.045282][   T12] ------------[ cut here ]------------
| [  290.045429][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  290.045693][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.046206][   T12] Tainted: [W]=WARN
[  290.046308][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.046471][   T12] Workqueue: netns cleanup_net
[  290.046605][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.046773][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.047276][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  290.047439][   T12] RAX: 00000000ffffffa6 RBX: ff11000009659380 RCX: 1ff4000000018eaf
[  290.047628][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000965943c
[  290.047839][   T12] RBP: ff1100000fd69000 R08: 1fe22000012cb289 R09: ff11000001aed1d0
[  290.048028][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  290.048217][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  290.048415][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  290.048643][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.048815][   T12] CR2: 00007fff27691ae8 CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.049007][   T12] PKRU: 55555554
[  290.049103][   T12] Call Trace:
[  290.049198][   T12]  <TASK>
[  290.049273][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  290.049401][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  290.049551][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  290.049666][   T12]  netif_close_many (net/core/dev.c:1804)
[  290.049806][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.049953][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.050079][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.050207][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  290.050337][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  290.050497][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  290.050660][   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)
[  290.050799][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.050956][   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)
[  290.051084][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.051211][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  290.051372][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  290.051501][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.051631][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.051760][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.051897][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.052026][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.052156][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.052292][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.052422][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.052551][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.052679][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.052817][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.052942][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.053069][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.053200][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.053333][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.053465][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.053599][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.053726][   T12]  kthread (kernel/kthread.c:436)
[  290.053831][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.053992][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.054118][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.054251][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.054410][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.054543][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.054672][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.057186][   T12] ------------[ cut here ]------------
| [  290.057324][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  290.057577][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.058113][   T12] Tainted: [W]=WARN
[  290.058206][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.058367][   T12] Workqueue: netns cleanup_net
[  290.058496][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.058655][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.059108][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  290.059273][   T12] RAX: 00000000ffffffa6 RBX: ff110000090aa740 RCX: 1ff4000000018ed5
[  290.059457][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000090aa7fc
[  290.059640][   T12] RBP: ff1100000a044000 R08: 1fe2200001215501 R09: ff11000001aed1d0
[  290.059832][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  290.060019][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.060203][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  290.060426][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.060584][   T12] CR2: 00007fff27691ae8 CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.060770][   T12] PKRU: 55555554
[  290.060874][   T12] Call Trace:
[  290.060965][   T12]  <TASK>
[  290.061041][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.061207][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.061365][   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)
[  290.061489][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.061611][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  290.061768][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.061906][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.062030][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.062152][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.062280][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.062407][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.062529][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.062654][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.062783][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.062911][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.063035][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.063158][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.063287][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.063413][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.063536][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.063664][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.063802][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.063924][   T12]  kthread (kernel/kthread.c:436)
[  290.064017][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.064185][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.064313][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.064437][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.064590][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.064714][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.064862][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.067581][   T12] ------------[ cut here ]------------
| [  290.067716][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  290.068502][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.069098][   T12] Tainted: [W]=WARN
[  290.069195][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.069359][   T12] Workqueue: netns cleanup_net
[  290.069491][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.069652][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.070154][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  290.070314][   T12] RAX: 00000000ffffffa6 RBX: ff110000090ab380 RCX: 1ff4000000018ed5
[  290.070498][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000090ab43c
[  290.070734][   T12] RBP: ff110000101e9000 R08: 1fe2200001215689 R09: ff11000001aed1d0
[  290.070974][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  290.071160][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.071350][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  290.071573][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.071726][   T12] CR2: 00007fff27691ae8 CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.071964][   T12] PKRU: 55555554
[  290.072057][   T12] Call Trace:
[  290.072153][   T12]  <TASK>
[  290.072217][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.072386][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.072541][   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)
[  290.072665][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.072845][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  290.073004][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.073128][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.073258][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.073383][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.073513][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.073642][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.073768][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.073950][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.074073][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.074195][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.074324][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.074448][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.074578][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.074709][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.074885][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.075012][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.075144][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.075275][   T12]  kthread (kernel/kthread.c:436)
[  290.075368][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.075524][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.075648][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.075774][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.075983][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.076106][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.076232][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.085366][   T12] ------------[ cut here ]------------
| [  290.085551][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  290.085874][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.086479][   T12] Tainted: [W]=WARN
[  290.086629][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.086863][   T12] Workqueue: netns cleanup_net
[  290.087045][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.087263][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.087760][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  290.087990][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a72d8c0 RCX: 1ff4000000018ed5
[  290.088224][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a72d97c
[  290.088466][   T12] RBP: ff1100000fd69000 R08: 1fe22000014e5b31 R09: ff11000001aed1d0
[  290.088698][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  290.088961][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.089196][   T12] FS:  0000000000000000(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[  290.089471][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.089676][   T12] CR2: 00007fd1dc62e000 CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.089934][   T12] PKRU: 55555554
[  290.090077][   T12] Call Trace:
[  290.090218][   T12]  <TASK>
[  290.090338][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.090548][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.090753][   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)
[  290.090950][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.091127][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  290.091353][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.091529][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.091703][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.091900][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.092080][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.092264][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.092437][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.092614][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.092811][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.092985][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.093160][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.093344][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.093525][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.093704][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.093899][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.094080][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.094265][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.094440][   T12]  kthread (kernel/kthread.c:436)
[  290.094585][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.094813][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.094989][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.095166][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.095384][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.095565][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.095740][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.155809][   T12] ------------[ cut here ]------------
| [  290.156007][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  290.156320][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.156907][   T12] Tainted: [W]=WARN
[  290.157048][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.157254][   T12] Workqueue: netns cleanup_net
[  290.157435][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.157682][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.158202][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  290.158416][   T12] RAX: 00000000ffffffa6 RBX: ff11000012d25a80 RCX: 1ff4000000018eed
[  290.158646][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012d25b3c
[  290.158903][   T12] RBP: ff11000008f09000 R08: 1fe22000025a4b69 R09: ff11000001aed1d0
[  290.159133][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  290.159381][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.159613][   T12] FS:  0000000000000000(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[  290.159907][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.160113][   T12] CR2: 00007fd1dc62e000 CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.160354][   T12] PKRU: 55555554
[  290.160493][   T12] Call Trace:
[  290.160633][   T12]  <TASK>
[  290.160747][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.160977][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.161177][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  290.161364][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  290.161568][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.161741][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  290.161931][   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)
[  290.162105][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  290.162287][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.162456][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.162631][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.162821][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.162991][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.163164][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.163343][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.163516][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.163689][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.163885][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.164061][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.164240][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.164418][   T12]  kthread (kernel/kthread.c:436)
[  290.164559][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.164759][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.164952][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.165124][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.165369][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.165539][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.165707][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.168498][   T12] ------------[ cut here ]------------
| [  290.168668][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  290.168979][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.169591][   T12] Tainted: [W]=WARN
[  290.169730][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.169954][   T12] Workqueue: netns cleanup_net
[  290.170133][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.170350][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.170855][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  290.171057][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a72c740 RCX: 1ff4000000018eed
[  290.171294][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a72c7fc
[  290.171521][   T12] RBP: ff1100000fe14000 R08: 1fe22000014e5901 R09: ff11000001aed1d0
[  290.171754][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  290.172002][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.172269][   T12] FS:  0000000000000000(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[  290.172530][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.172732][   T12] CR2: 00007fd1dc62e000 CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.172984][   T12] PKRU: 55555554
[  290.173123][   T12] Call Trace:
[  290.173266][   T12]  <TASK>
[  290.173377][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.173583][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.173803][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  290.173980][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  290.174153][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.174332][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  290.174504][   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)
[  290.174678][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  290.174873][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.175043][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.175218][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.175398][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.175566][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.175737][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.175943][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.176117][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.176301][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.176471][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.176649][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.176845][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.177016][   T12]  kthread (kernel/kthread.c:436)
[  290.177187][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.177399][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.177571][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.177773][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.178005][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.178190][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.178375][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.181208][   T12] ------------[ cut here ]------------
| [  290.181374][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  290.181683][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.182277][   T12] Tainted: [W]=WARN
[  290.182416][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.182614][   T12] Workqueue: netns cleanup_net
[  290.182806][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.183014][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.183525][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  290.183735][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b88e200 RCX: 1ff4000000018eed
[  290.183985][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b88e2bc
[  290.184220][   T12] RBP: ff1100000fd44000 R08: 1fe2200001711c59 R09: ff11000001aed1d0
[  290.184456][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  290.184682][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.184937][   T12] FS:  0000000000000000(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[  290.185201][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.185411][   T12] CR2: 00007fd1dc62e000 CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.185643][   T12] PKRU: 55555554
[  290.185947][   T12] Call Trace:
[  290.186090][   T12]  <TASK>
[  290.186201][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.186418][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.186621][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  290.186814][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  290.187064][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.187238][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  290.187414][   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)
[  290.187587][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  290.187759][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.187951][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.188122][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.188305][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.188473][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.188719][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.188909][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.189082][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.189342][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.189514][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.189761][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.189958][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.190129][   T12]  kthread (kernel/kthread.c:436)
[  290.190276][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.190491][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.190667][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.190868][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.191068][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.191246][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.191422][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.194633][   T12] ------------[ cut here ]------------
| [  290.194829][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  290.195186][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.195758][   T12] Tainted: [W]=WARN
[  290.195918][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.196117][   T12] Workqueue: netns cleanup_net
[  290.196304][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.196512][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.197111][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  290.197407][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b88ec80 RCX: 1ff4000000018eed
[  290.197712][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b88ed3c
[  290.197965][   T12] RBP: ff1100000a65c000 R08: 1fe2200001711da9 R09: ff11000001aed1d0
[  290.198359][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  290.198604][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.198874][   T12] FS:  0000000000000000(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[  290.199167][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.199386][   T12] CR2: 00007fd1dc62e000 CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.199653][   T12] PKRU: 55555554
[  290.199815][   T12] Call Trace:
[  290.199956][   T12]  <TASK>
[  290.200067][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.200286][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.200492][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  290.200669][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  290.200870][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.201042][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  290.201218][   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)
[  290.201404][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  290.201682][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.202027][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.202207][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.202390][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.202563][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.202835][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.203023][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.203200][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.203390][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.203638][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.203835][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.204046][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.204218][   T12]  kthread (kernel/kthread.c:436)
[  290.204372][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.204578][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.204855][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.205103][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.205316][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.205488][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.205664][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.208557][   T12] ------------[ cut here ]------------
| [  290.208721][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  290.209145][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.209968][   T12] Tainted: [W]=WARN
[  290.210162][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.210426][   T12] Workqueue: netns cleanup_net
[  290.210659][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.210942][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.211493][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  290.211746][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b88f000 RCX: 1ff4000000018eed
[  290.212047][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b88f0bc
[  290.212334][   T12] RBP: ff110000062e9000 R08: 1fe2200001711e19 R09: ff11000001aed1d0
[  290.212614][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  290.212914][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.213198][   T12] FS:  0000000000000000(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[  290.213518][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.213765][   T12] CR2: 00007fd1dc62e000 CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.214067][   T12] PKRU: 55555554
[  290.214268][   T12] Call Trace:
[  290.214454][   T12]  <TASK>
[  290.214614][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.214888][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.215211][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  290.215446][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  290.215666][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.215909][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  290.216132][   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)
[  290.216365][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  290.216590][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.216830][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.217102][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.217378][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.217653][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.217940][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.218202][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.218482][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.218750][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.219035][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.219293][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.219555][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.219772][   T12]  kthread (kernel/kthread.c:436)
[  290.219980][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.220232][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.220468][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.220694][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.220970][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.221191][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.221421][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.236039][   T12] ------------[ cut here ]------------
| [  290.236185][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  290.236443][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.236948][   T12] Tainted: [W]=WARN
[  290.237049][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.237208][   T12] Workqueue: netns cleanup_net
[  290.237347][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.237515][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.237993][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  290.238153][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b88f1c0 RCX: 1ff4000000018eaf
[  290.238346][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b88f27c
[  290.238534][   T12] RBP: ff1100000fd11000 R08: 1fe2200001711e51 R09: ff11000001aed1d0
[  290.238724][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  290.238923][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd14000
[  290.239111][   T12] FS:  0000000000000000(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[  290.239357][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.239517][   T12] CR2: 000055b7efedfd5c CR3: 0000000005546001 CR4: 0000000000771ef0
[  290.239709][   T12] PKRU: 55555554
[  290.239819][   T12] Call Trace:
[  290.239917][   T12]  <TASK>
[  290.239983][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  290.240118][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  290.240216][   T12]  netif_close_many (net/core/dev.c:1804)
[  290.240350][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.240476][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.240605][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.240733][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  290.240876][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  290.241034][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  290.241194][   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)
[  290.241330][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.241489][   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)
[  290.241618][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.241744][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  290.241914][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  290.242044][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.242172][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.242305][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.242433][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.242564][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.242692][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.242950][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.243081][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.243212][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.243344][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.243473][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.243601][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.243731][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.243973][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.244103][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.244240][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.244371][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.244500][   T12]  kthread (kernel/kthread.c:436)
[  290.244595][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.244757][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.244966][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.245093][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.245256][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.245382][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.245510][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.256835][   T12] ------------[ cut here ]------------
| [  290.256982][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  290.257246][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.257737][   T12] Tainted: [W]=WARN
[  290.257848][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.258011][   T12] Workqueue: netns cleanup_net
[  290.258145][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.258312][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.258771][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  290.258946][   T12] RAX: 00000000ffffffa6 RBX: ff1100001647d1c0 RCX: 1ff4000000018eaf
[  290.259137][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001647d27c
[  290.259344][   T12] RBP: ff1100000fd14000 R08: 1fe2200002c8fa51 R09: ff11000001aed1d0
[  290.259538][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  290.259732][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa1c000
[  290.259933][   T12] FS:  0000000000000000(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[  290.260165][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.260331][   T12] CR2: 000055b7efedfd5c CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.260527][   T12] PKRU: 55555554
[  290.260624][   T12] Call Trace:
[  290.260719][   T12]  <TASK>
[  290.260813][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  290.260942][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  290.261069][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  290.261167][   T12]  netif_close_many (net/core/dev.c:1804)
[  290.261301][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.261429][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.261578][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.261705][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  290.261846][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  290.262005][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  290.262165][   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)
[  290.262299][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.262456][   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)
[  290.262584][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.262714][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  290.262885][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  290.263016][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.263145][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.263278][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.263404][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.263535][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.263664][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.263799][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.263929][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.264073][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.264204][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.264336][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.264464][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.264596][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.264727][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.264874][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.265007][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.265142][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.265274][   T12]  kthread (kernel/kthread.c:436)
[  290.265371][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.265531][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.265659][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.265797][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.265957][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.266089][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.266217][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.269304][   T12] ------------[ cut here ]------------
| [  290.269442][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  290.269693][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.270201][   T12] Tainted: [W]=WARN
[  290.270304][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.270462][   T12] Workqueue: netns cleanup_net
[  290.270592][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.270757][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.271222][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  290.271389][   T12] RAX: 00000000ffffffa6 RBX: ff110000169311c0 RCX: 1ff4000000018eaf
[  290.271584][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001693127c
[  290.271775][   T12] RBP: ff1100000fa1c000 R08: 1fe2200002d26251 R09: ff11000001aed1d0
[  290.271980][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  290.272169][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  290.272367][   T12] FS:  0000000000000000(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[  290.272591][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.272763][   T12] CR2: 000055b7efedfd5c CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.272964][   T12] PKRU: 55555554
[  290.273059][   T12] Call Trace:
[  290.273153][   T12]  <TASK>
[  290.273229][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  290.273368][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  290.273497][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  290.273593][   T12]  netif_close_many (net/core/dev.c:1804)
[  290.273720][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.273855][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.273994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.274122][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  290.274253][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  290.274414][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  290.274575][   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)
[  290.274703][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.274871][   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)
[  290.275001][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.275128][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  290.275293][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  290.275424][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.275551][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.275688][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.275828][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.275959][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.276095][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.276223][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.276362][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.276488][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.276614][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.276743][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.276877][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.277004][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.277138][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.277269][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.277404][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.277535][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.277661][   T12]  kthread (kernel/kthread.c:436)
[  290.277756][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.277923][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.278049][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.278181][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.278346][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.278476][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.278605][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.282329][   T12] ------------[ cut here ]------------
| [  290.282459][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  290.282698][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.283181][   T12] Tainted: [W]=WARN
[  290.283276][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.283433][   T12] Workqueue: netns cleanup_net
[  290.283564][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.283723][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.284179][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  290.284336][   T12] RAX: 00000000ffffffa6 RBX: ff1100000df323c0 RCX: 1ff4000000018ed5
[  290.284520][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df3247c
[  290.284700][   T12] RBP: ff1100000fd11000 R08: 1fe2200001be6491 R09: ff11000001aed1d0
[  290.284891][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  290.285073][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.285263][   T12] FS:  0000000000000000(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[  290.285475][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.285628][   T12] CR2: 000055b7efedfd5c CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.285820][   T12] PKRU: 55555554
[  290.285910][   T12] Call Trace:
[  290.286002][   T12]  <TASK>
[  290.286071][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.286230][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.286384][   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)
[  290.286506][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.286629][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  290.286795][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.286920][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.287042][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.287171][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.287301][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.287426][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.287546][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.287671][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.287896][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.288136][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.288267][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.288388][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.288512][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.288638][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.288758][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.288944][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.289072][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.289197][   T12]  kthread (kernel/kthread.c:436)
[  290.289294][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.289445][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.289567][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.289688][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.289896][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.290018][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.290144][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.292818][   T12] ------------[ cut here ]------------
| [  290.292939][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  290.293180][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.293658][   T12] Tainted: [W]=WARN
[  290.293749][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.293913][   T12] Workqueue: netns cleanup_net
[  290.294040][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.294198][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.294638][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  290.294803][   T12] RAX: 00000000ffffffa6 RBX: ff1100000df33000 RCX: 1ff4000000018ed5
[  290.294985][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df330bc
[  290.295168][   T12] RBP: ff1100000fd14000 R08: 1fe2200001be6619 R09: ff11000001aed1d0
[  290.295356][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  290.295544][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.295729][   T12] FS:  0000000000000000(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[  290.295951][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.296107][   T12] CR2: 000055b7efedfd5c CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.296301][   T12] PKRU: 55555554
[  290.296392][   T12] Call Trace:
[  290.296483][   T12]  <TASK>
[  290.296547][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.296701][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.296861][   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)
[  290.296985][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.297107][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  290.297267][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.297392][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.297514][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.297636][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.297762][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.297895][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.298015][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.298140][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.298268][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.298391][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.298514][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.298636][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.298759][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.298893][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.299015][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.299149][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.299282][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.299403][   T12]  kthread (kernel/kthread.c:436)
[  290.299497][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.299649][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.299770][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.299908][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.300060][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.300188][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.300319][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.303124][   T12] ------------[ cut here ]------------
| [  290.303253][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  290.303511][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.303990][   T12] Tainted: [W]=WARN
[  290.304085][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.304245][   T12] Workqueue: netns cleanup_net
[  290.304375][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.304537][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.304996][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  290.305150][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a72d000 RCX: 1ff4000000018ed5
[  290.305337][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a72d0bc
[  290.305520][   T12] RBP: ff1100000fa1c000 R08: 1fe22000014e5a19 R09: ff11000001aed1d0
[  290.305702][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  290.306388][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.306579][   T12] FS:  0000000000000000(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[  290.306847][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.307002][   T12] CR2: 000055b7efedfd5c CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.307186][   T12] PKRU: 55555554
[  290.307282][   T12] Call Trace:
[  290.307373][   T12]  <TASK>
[  290.307437][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.307594][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.307744][   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)
[  290.307923][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.308045][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  290.308202][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.308333][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.308457][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.308632][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.308755][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.308934][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.309057][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.309181][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.309305][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.309426][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.309552][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.309673][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.309851][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.309978][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.310101][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.310229][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.310360][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.310482][   T12]  kthread (kernel/kthread.c:436)
[  290.310577][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.310729][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.310909][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.311033][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.311188][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.311318][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.311448][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.363972][   T12] ------------[ cut here ]------------
| [  290.364130][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  290.364398][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.364885][   T12] Tainted: [W]=WARN
[  290.364980][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.365132][   T12] Workqueue: netns cleanup_net
[  290.365264][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.365423][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.365931][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  290.366128][   T12] RAX: 00000000ffffffa6 RBX: ff1100000def0040 RCX: 1ff4000000018eed
[  290.366312][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000def00fc
[  290.366492][   T12] RBP: ff11000009501000 R08: 1fe2200001bde021 R09: ff11000001aed1d0
[  290.366672][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  290.366862][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.367046][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  290.367264][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.367418][   T12] CR2: 00007f9859698580 CR3: 000000007014d001 CR4: 0000000000771ef0
[  290.367602][   T12] PKRU: 55555554
[  290.367691][   T12] Call Trace:
[  290.367783][   T12]  <TASK>
[  290.367854][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.368007][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.368159][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  290.368286][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  290.368408][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.368529][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  290.368650][   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)
[  290.368772][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  290.368906][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.369027][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.369150][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.369272][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.369402][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.369523][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.369644][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.369765][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.369903][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.370030][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.370153][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.370283][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.370405][   T12]  kthread (kernel/kthread.c:436)
[  290.370497][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.370648][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.370774][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.370914][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.371063][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.371184][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.371306][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.373777][   T12] ------------[ cut here ]------------
| [  290.374073][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  290.374316][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.374808][   T12] Tainted: [W]=WARN
[  290.374900][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.375053][   T12] Workqueue: netns cleanup_net
[  290.375181][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.375342][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.375773][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  290.375940][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e01a3c0 RCX: 1ff4000000018eed
[  290.376121][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e01a47c
[  290.376302][   T12] RBP: ff1100000577c000 R08: 1fe2200001c03491 R09: ff11000001aed1d0
[  290.376487][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  290.376669][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.376861][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  290.377072][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.377226][   T12] CR2: 00007f9859698580 CR3: 000000007014d001 CR4: 0000000000771ef0
[  290.377427][   T12] PKRU: 55555554
[  290.377518][   T12] Call Trace:
[  290.377608][   T12]  <TASK>
[  290.377671][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.377840][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.377991][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  290.378120][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  290.378255][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.378377][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  290.378507][   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)
[  290.378629][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  290.378755][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.378886][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.379008][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.379130][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.379257][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.379378][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.379499][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.379622][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.379747][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.379879][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.380003][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.380129][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.380253][   T12]  kthread (kernel/kthread.c:436)
[  290.380344][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.380492][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.380611][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.380730][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.380887][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.381008][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.381128][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.393564][   T12] ------------[ cut here ]------------
| [  290.393709][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  290.394373][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.394859][   T12] Tainted: [W]=WARN
[  290.394960][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.395112][   T12] Workqueue: netns cleanup_net
[  290.395245][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.395401][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.395841][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  290.395994][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e01aac0 RCX: 1ff4000000018eed
[  290.396177][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e01ab7c
[  290.396358][   T12] RBP: ff11000010a4c000 R08: 1fe2200001c03571 R09: ff11000001aed1d0
[  290.396536][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  290.396715][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.396915][   T12] FS:  0000000000000000(0000) GS:ff110000b2547000(0000) knlGS:0000000000000000
[  290.397125][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.397279][   T12] CR2: 00007f9859698580 CR3: 000000007014d001 CR4: 0000000000771ef0
[  290.397510][   T12] PKRU: 55555554
[  290.397618][   T12] Call Trace:
[  290.397711][   T12]  <TASK>
[  290.397815][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.397971][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.398120][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  290.398250][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  290.398374][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.398495][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  290.398616][   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)
[  290.398735][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  290.398873][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.398991][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.399114][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.399243][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.399363][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.399485][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.399607][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.399732][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.399866][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.399997][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.400125][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.400253][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.400374][   T12]  kthread (kernel/kthread.c:436)
[  290.400465][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.400618][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.400743][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.400875][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.401027][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.401148][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.401272][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.403657][   T12] ------------[ cut here ]------------
| [  290.403806][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  290.404048][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.404524][   T12] Tainted: [W]=WARN
[  290.404619][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.404775][   T12] Workqueue: netns cleanup_net
[  290.404921][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.405081][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.405535][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  290.405689][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e01ae40 RCX: 1ff4000000018eed
[  290.405883][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e01aefc
[  290.406066][   T12] RBP: ff110000109b4000 R08: 1fe2200001c035e1 R09: ff11000001aed1d0
[  290.406251][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  290.406431][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.406614][   T12] FS:  0000000000000000(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[  290.406836][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.406987][   T12] CR2: 00007f0a74f81000 CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.407167][   T12] PKRU: 55555554
[  290.407265][   T12] Call Trace:
[  290.407357][   T12]  <TASK>
[  290.407421][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.407578][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.407730][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  290.407861][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  290.407988][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.408110][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  290.408235][   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)
[  290.408359][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  290.408480][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.408599][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.408724][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.408857][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.408976][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.409103][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.409224][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.409352][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.409475][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.409598][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.409723][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.409860][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.409982][   T12]  kthread (kernel/kthread.c:436)
[  290.410075][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.410226][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.410352][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.410475][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.410625][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.410746][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.410879][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.412976][   T12] ------------[ cut here ]------------
| [  290.413103][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  290.413353][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.413842][   T12] Tainted: [W]=WARN
[  290.413935][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.414088][   T12] Workqueue: netns cleanup_net
[  290.414214][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.414380][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.414824][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  290.414974][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e01b1c0 RCX: 1ff4000000018eed
[  290.415157][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e01b27c
[  290.415343][   T12] RBP: ff1100001099c000 R08: 1fe2200001c03651 R09: ff11000001aed1d0
[  290.415524][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  290.415703][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.415892][   T12] FS:  0000000000000000(0000) GS:ff110000b24c7000(0000) knlGS:0000000000000000
[  290.416109][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.416265][   T12] CR2: 00007f0a74f81000 CR3: 000000007014d005 CR4: 0000000000771ef0
[  290.416451][   T12] PKRU: 55555554
[  290.416549][   T12] Call Trace:
[  290.416637][   T12]  <TASK>
[  290.416701][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.416866][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.417014][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  290.417135][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  290.417262][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.417383][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  290.417510][   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)
[  290.417633][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  290.417755][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.417885][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.418012][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.418134][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.418270][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.418393][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.418514][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.418640][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.418765][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.418896][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.419022][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.419150][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.419272][   T12]  kthread (kernel/kthread.c:436)
[  290.419364][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.419514][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.419636][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.419758][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.419922][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.420044][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.420166][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.434904][   T12] ------------[ cut here ]------------
| [  290.435083][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  290.435395][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.436556][   T12] Tainted: [W]=WARN
[  290.436825][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.437132][   T12] Workqueue: netns cleanup_net
[  290.437376][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.437691][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.438323][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  290.438641][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e01b380 RCX: 1ff4000000018eaf
[  290.439000][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e01b43c
[  290.439379][   T12] RBP: ff1100000ff81000 R08: 1fe2200001c03689 R09: ff11000001aed1d0
[  290.439627][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  290.439886][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  290.440128][   T12] FS:  0000000000000000(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[  290.440411][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.440618][   T12] CR2: 00007f309f4ef9dc CR3: 000000007014d006 CR4: 0000000000771ef0
[  290.440884][   T12] PKRU: 55555554
[  290.441026][   T12] Call Trace:
[  290.441170][   T12]  <TASK>
[  290.441292][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  290.441475][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  290.441622][   T12]  netif_close_many (net/core/dev.c:1804)
[  290.441818][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.441993][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.442168][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.442359][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  290.442535][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  290.442745][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  290.442986][   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)
[  290.443164][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  290.443349][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[  290.443534][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.443741][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.443938][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.444118][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.444306][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.444481][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.444688][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.444900][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.445100][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.445285][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.445463][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.445641][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.445837][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.446015][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.446192][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.446382][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.446557][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.446743][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.446959][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.447136][   T12]  kthread (kernel/kthread.c:436)
[  290.447295][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.447505][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.447681][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.447874][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.448084][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.448273][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.448449][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  290.452499][   T12] ------------[ cut here ]------------
| [  290.452663][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  290.453556][   T12] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
| [  290.454288][   T12] Tainted: [W]=WARN
[  290.454479][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.454752][   T12] Workqueue: netns cleanup_net
[  290.454991][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  290.455261][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  290.455813][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  290.456060][   T12] RAX: 00000000ffffffa6 RBX: ff1100000def1e00 RCX: 1ff4000000018ed5
[  290.456349][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000def1ebc
[  290.456628][   T12] RBP: ff1100000ff81000 R08: 1fe2200001bde3d9 R09: ff11000001aed1d0
[  290.456920][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  290.457198][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  290.457484][   T12] FS:  0000000000000000(0000) GS:ff110000b25c7000(0000) knlGS:0000000000000000
[  290.457814][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.458068][   T12] CR2: 00007f309f4ef9dc CR3: 000000007014d006 CR4: 0000000000771ef0
[  290.458358][   T12] PKRU: 55555554
[  290.458541][   T12] Call Trace:
[  290.458724][   T12]  <TASK>
[  290.458905][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  290.459162][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  290.459423][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.459644][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  290.459883][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  290.460110][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  290.460341][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  290.460561][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  290.460846][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  290.461064][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  290.461296][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  290.461514][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  290.461728][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  290.462000][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  290.462218][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  290.462444][   T12]  process_one_work (kernel/workqueue.c:3314)
[  290.462664][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  290.462911][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  290.463132][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  290.463375][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  290.463592][   T12]  kthread (kernel/kthread.c:436)
[  290.463777][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.464130][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  290.464309][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  290.464480][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  290.464675][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  290.464868][   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:register_netdevice:register_netdev:sit_init_net
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:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:linkwatch_sync_dev:rtnl_getlink
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net