======================================
| xx__-> [    9.333305][  T202] ------------[ cut here ]------------
| [    9.333512][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/202
| [    9.333745][  T202] Modules linked in:
| [    9.334153][  T202] Tainted: [W]=WARN
[    9.334295][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.334458][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.334630][  T202] 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
[    9.335100][  T202] RSP: 0018:ffa0000000957a80 EFLAGS: 00010286
[    9.335272][  T202] RAX: 00000000ffffffa6 RBX: ff110000093a8ac0 RCX: 1ff400000012af16
[    9.335467][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093a8b7c
[    9.335662][  T202] RBP: ff11000008c81000 R08: 1fe2200001275171 R09: ff1100000f1c0b80
[    9.335856][  T202] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.336092][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c81000
[    9.336294][  T202] FS:  00007f192756c840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.336526][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.336693][  T202] CR2: 0000000000479648 CR3: 0000000008d9c006 CR4: 0000000000771ef0
[    9.336889][  T202] PKRU: 55555554
[    9.336987][  T202] Call Trace:
[    9.337088][  T202]  <TASK>
[    9.337158][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.337295][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.337427][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.337527][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.337660][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.337823][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.337954][  T202]  register_netdev (net/core/dev.c:11552)
[    9.338087][  T202]  loopback_net_init (drivers/net/loopback.c:218)
[    9.338226][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.338327][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.338426][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.338557][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.338690][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.338824][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.338955][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.339094][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.339229][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.339361][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.339492][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.339624][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.339756][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.339888][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.340017][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.340152][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.340289][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.340421][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.340551][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.340716][  T202] RIP: 0033:0x7f192782ebcb
[    9.340854][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.341329][  T202] RSP: 002b:00007ffdee9f97c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.341527][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f192782ebcb
[    9.341723][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.341918][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.342118][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdee9fb9f0
[    9.342319][  T202] R13: 0000000000000001 R14: 00007f192756c6f8 R15: 00007ffdee9fc884
| [    9.346797][  T202] ------------[ cut here ]------------
| [    9.346936][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/202
| [    9.347171][  T202] Modules linked in:
| [    9.347583][  T202] Tainted: [W]=WARN
[    9.347681][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.347845][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.348015][  T202] 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
[    9.348495][  T202] RSP: 0018:ffa0000000957918 EFLAGS: 00010286
[    9.348661][  T202] RAX: 00000000ffffffa6 RBX: ff1100000c8c9540 RCX: 1ff400000012aee9
[    9.348948][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8c95fc
[    9.349149][  T202] RBP: ff1100000a3c9000 R08: 1fe22000019192c1 R09: ff1100000f1c0b80
[    9.349440][  T202] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.349636][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3c9000
[    9.349832][  T202] FS:  00007f192756c840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.350157][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.350326][  T202] CR2: 0000000000479648 CR3: 0000000008d9c006 CR4: 0000000000771ef0
[    9.350522][  T202] PKRU: 55555554
[    9.350706][  T202] Call Trace:
[    9.350804][  T202]  <TASK>
[    9.350872][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.351003][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.351139][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.351245][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.351378][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.351541][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.351674][  T202]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.351890][  T202]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.352022][  T202]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.352159][  T202]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.352293][  T202]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.352510][  T202]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.352643][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.352743][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.352841][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.352971][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.353198][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.353330][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.353462][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.353595][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.353812][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.353941][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.354075][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.354213][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.354345][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.354478][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.354607][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.354741][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.354955][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.355088][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.355225][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.355472][  T202] RIP: 0033:0x7f192782ebcb
[    9.355610][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.356171][  T202] RSP: 002b:00007ffdee9f97c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.356376][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f192782ebcb
[    9.356572][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.356855][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.357054][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdee9fb9f0
[    9.357344][  T202] R13: 0000000000000001 R14: 00007f192756c6f8 R15: 00007ffdee9fc884
| [    9.361732][  T202] ------------[ cut here ]------------
| [    9.361871][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/202
| [    9.362105][  T202] Modules linked in:
| [    9.362485][  T202] Tainted: [W]=WARN
[    9.362584][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.362748][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.362918][  T202] 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
[    9.363397][  T202] RSP: 0018:ffa00000009578f8 EFLAGS: 00010286
[    9.363562][  T202] RAX: 00000000ffffffa6 RBX: ff1100000b4c6740 RCX: 1ff400000012aee5
[    9.363847][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4c67fc
[    9.364075][  T202] RBP: ff11000009849000 R08: 1fe2200001698d01 R09: ff1100000f1c0b80
[    9.364278][  T202] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.364562][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009849000
[    9.364759][  T202] FS:  00007f192756c840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.364992][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.365258][  T202] CR2: 0000000000479648 CR3: 0000000008d9c006 CR4: 0000000000771ef0
[    9.365456][  T202] PKRU: 55555554
[    9.365555][  T202] Call Trace:
[    9.365741][  T202]  <TASK>
[    9.365809][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.365940][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.366079][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.366185][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.366408][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.366572][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.366704][  T202]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.366836][  T202]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.367062][  T202]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.367199][  T202]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.367332][  T202]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.367464][  T202]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.367684][  T202]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.367818][  T202]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.367950][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.368056][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.368249][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.368381][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.368513][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.368647][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.368868][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.369003][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.369142][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.369280][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.369500][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.369632][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.369766][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.369900][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.370122][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.370260][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.370393][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.370529][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.370750][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.370912][  T202] RIP: 0033:0x7f192782ebcb
[    9.371056][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.371621][  T202] RSP: 002b:00007ffdee9f97c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.371818][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f192782ebcb
[    9.372108][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.372311][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.372506][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdee9fb9f0
[    9.372790][  T202] R13: 0000000000000001 R14: 00007f192756c6f8 R15: 00007ffdee9fc884
| [    9.379013][  T202] ------------[ cut here ]------------
| [    9.379155][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/202
| [    9.379385][  T202] Modules linked in:
| [    9.379745][  T202] Tainted: [W]=WARN
[    9.379842][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.380007][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.380245][  T202] 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
[    9.380703][  T202] RSP: 0018:ffa0000000957a78 EFLAGS: 00010286
[    9.380868][  T202] RAX: 00000000ffffffa6 RBX: ff1100000b4c6040 RCX: 1ff400000012af15
[    9.381068][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4c60fc
[    9.381318][  T202] RBP: ff1100000f3a9000 R08: 1fe2200001698c21 R09: ff1100000f1c0b80
[    9.381511][  T202] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.381703][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3a9000
[    9.381898][  T202] FS:  00007f192756c840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.382126][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.382341][  T202] CR2: 0000000000479648 CR3: 0000000008d9c006 CR4: 0000000000771ef0
[    9.382536][  T202] PKRU: 55555554
[    9.382633][  T202] Call Trace:
[    9.382731][  T202]  <TASK>
[    9.382797][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.382926][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.383057][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.383157][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.383342][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.383503][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.383637][  T202]  register_netdev (net/core/dev.c:11552)
[    9.383767][  T202]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.383897][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.383996][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.384097][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.384279][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.384408][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.384542][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.384673][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.384805][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.384935][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.385066][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.385248][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.385378][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.385510][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.385641][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.385769][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.385898][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.386026][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.386159][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.386341][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.386499][  T202] RIP: 0033:0x7f192782ebcb
[    9.386633][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.387095][  T202] RSP: 002b:00007ffdee9f97c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.387345][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f192782ebcb
[    9.387538][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.387729][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.387921][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdee9fb9f0
[    9.388117][  T202] R13: 0000000000000001 R14: 00007f192756c6f8 R15: 00007ffdee9fc884
| [    9.399326][  T202] ------------[ cut here ]------------
| [    9.399463][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/202
| [    9.399688][  T202] Modules linked in:
| [    9.400093][  T202] Tainted: [W]=WARN
[    9.400196][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.400362][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.400532][  T202] 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
[    9.400996][  T202] RSP: 0018:ffa0000000957a68 EFLAGS: 00010286
[    9.401163][  T202] RAX: 00000000ffffffa6 RBX: ff1100000c8c8580 RCX: 1ff400000012af13
[    9.401393][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8c863c
[    9.401586][  T202] RBP: ff1100000e57c000 R08: 1fe22000019190c9 R09: ff1100000f1c0b80
[    9.401780][  T202] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.401973][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e57c000
[    9.402171][  T202] FS:  00007f192756c840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.402404][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.402568][  T202] CR2: 0000000000479648 CR3: 0000000008d9c006 CR4: 0000000000771ef0
[    9.402763][  T202] PKRU: 55555554
[    9.402860][  T202] Call Trace:
[    9.402956][  T202]  <TASK>
[    9.403022][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.403157][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.403290][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.403390][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.403522][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.403689][  T202]  register_netdev (net/core/dev.c:11552)
[    9.403819][  T202]  sit_init_net (net/ipv6/sit.c:1860)
[    9.403951][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.404053][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.404152][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.404288][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.404419][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.404551][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.404683][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.404815][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.404944][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.405077][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.405213][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.405343][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.405472][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.405603][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.405732][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.405861][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.405990][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.406121][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.406257][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.406420][  T202] RIP: 0033:0x7f192782ebcb
[    9.406554][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.407014][  T202] RSP: 002b:00007ffdee9f97c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.407221][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f192782ebcb
[    9.407414][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.407607][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.407800][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdee9fb9f0
[    9.407993][  T202] R13: 0000000000000001 R14: 00007f192756c6f8 R15: 00007ffdee9fc884
| [    9.412666][  T202] ------------[ cut here ]------------
| [    9.412802][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/202
| [    9.413042][  T202] Modules linked in:
| [    9.413814][  T202] Tainted: [W]=WARN
[    9.413914][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.414080][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.414259][  T202] 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
[    9.414724][  T202] RSP: 0018:ffa0000000957a78 EFLAGS: 00010286
[    9.414888][  T202] RAX: 00000000ffffffa6 RBX: ff110000055291c0 RCX: 1ff400000012af15
[    9.415089][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000552927c
[    9.415290][  T202] RBP: ff1100000e9d4000 R08: 1fe2200000aa5251 R09: ff1100000f1c0b80
[    9.415485][  T202] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.415679][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e9d4000
[    9.415875][  T202] FS:  00007f192756c840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.416107][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.416277][  T202] CR2: 0000000000479648 CR3: 0000000008d9c006 CR4: 0000000000771ef0
[    9.416473][  T202] PKRU: 55555554
[    9.416569][  T202] Call Trace:
[    9.416667][  T202]  <TASK>
[    9.416734][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.416866][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.416996][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.417101][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.417240][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.417401][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.417534][  T202]  register_netdev (net/core/dev.c:11552)
[    9.417665][  T202]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.417797][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.417897][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.417996][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.418131][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.418267][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.418398][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.418529][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.418664][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.418794][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.418923][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.419056][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.419193][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.419326][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.419458][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.419589][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.419719][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.419848][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.419979][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.420112][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.420280][  T202] RIP: 0033:0x7f192782ebcb
[    9.420417][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.420881][  T202] RSP: 002b:00007ffdee9f97c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.421083][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f192782ebcb
[    9.421282][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.421477][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.421669][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdee9fb9f0
[    9.421862][  T202] R13: 0000000000000001 R14: 00007f192756c6f8 R15: 00007ffdee9fc884
| [    9.446250][  T203] ------------[ cut here ]------------
| [    9.446396][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/203
| [    9.446624][  T203] Modules linked in:
| [    9.446988][  T203] Tainted: [W]=WARN
[    9.447090][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.447261][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.447430][  T203] 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
[    9.447890][  T203] RSP: 0018:ffa0000000967020 EFLAGS: 00010286
[    9.448058][  T203] RAX: 00000000ffffffa6 RBX: ff1100000f63c040 RCX: 1ff400000012cdca
[    9.448259][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f63c0fc
[    9.448453][  T203] RBP: ff11000008c81000 R08: 1fe2200001ec7821 R09: ff1100000f1c2e58
[    9.448645][  T203] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.448839][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.449032][  T203] FS:  00007fd3f6865840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[    9.449962][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.450130][  T203] CR2: 0000000008c52988 CR3: 000000000e647002 CR4: 0000000000771ef0
[    9.450408][  T203] PKRU: 55555554
[    9.450508][  T203] Call Trace:
[    9.450604][  T203]  <TASK>
[    9.450671][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.450803][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.450902][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.451031][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[    9.451167][  T203]  ? netif_change_name (net/core/dev.c:1495)
[    9.451326][  T203]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.451457][  T203]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.451587][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.451717][  T203]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.451850][  T203]  netif_change_flags (net/core/dev.c:9820)
[    9.451981][  T203]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.452116][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.452255][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.452386][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.452551][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.452679][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.452808][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.452939][  T203]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.453075][  T203]  ? __kernel_text_address (kernel/extable.c:79)
[    9.453214][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.453345][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.453474][  T203]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.453605][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.453735][  T203]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.453871][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.454000][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.454134][  T203]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.454273][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.454404][  T203]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.454534][  T203]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.454667][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.454800][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.454932][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.455069][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.455207][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.455338][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.455467][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.455596][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.455729][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.455857][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.455986][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.456119][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.456257][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.456389][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.456519][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.456648][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.456778][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.456909][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.457039][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.457175][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.457315][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.457445][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.457577][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.457706][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.457838][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.457970][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.458105][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.458244][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.458376][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.458507][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.458640][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.458771][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.458901][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.459069][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[    9.459207][  T203]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.459338][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.459469][  T203]  ___sys_sendmsg (net/socket.c:2752)
[    9.459599][  T203]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.459762][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.459905][  T203]  __sys_sendmsg (net/socket.c:2784)
[    9.460035][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.460170][  T203]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.460343][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.460474][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.460606][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.460738][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.460868][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.460998][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.461163][  T203] RIP: 0033:0x7fd3f6a9f08e
[    9.461307][  T203] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.461772][  T203] RSP: 002b:00007ffe89662620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.461968][  T203] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd3f6a9f08e
[    9.462169][  T203] RDX: 0000000000000000 RSI: 00007ffe896626d0 RDI: 0000000000000005
[    9.462371][  T203] RBP: 00007ffe89662630 R08: 0000000000000000 R09: 0000000000000000
[    9.462580][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28b
[    9.462773][  T203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe89662da0
| [    9.593156][  T207] ------------[ cut here ]------------
| [    9.593312][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.593541][  T207] Modules linked in:
| [    9.593906][  T207] Tainted: [W]=WARN
[    9.594005][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.594175][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.594355][  T207] 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
[    9.594820][  T207] RSP: 0018:ffa00000009a7a80 EFLAGS: 00010286
[    9.594984][  T207] RAX: 00000000ffffffa6 RBX: ff1100000c94a740 RCX: 1ff4000000134f16
[    9.595189][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c94a7fc
[    9.595384][  T207] RBP: ff1100000f3bc000 R08: 1fe2200001929501 R09: ff1100000f615180
[    9.595577][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.595771][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3bc000
[    9.595966][  T207] FS:  00007f6a4b149840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.596208][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.596370][  T207] CR2: 00007f6a4b34ac20 CR3: 000000000f61f005 CR4: 0000000000771ef0
[    9.596565][  T207] PKRU: 55555554
[    9.596662][  T207] Call Trace:
[    9.596760][  T207]  <TASK>
[    9.596828][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.596958][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.597093][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.597196][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.597327][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.597489][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.597620][  T207]  register_netdev (net/core/dev.c:11552)
[    9.597750][  T207]  loopback_net_init (drivers/net/loopback.c:218)
[    9.597881][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.597983][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.598085][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.598221][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.598350][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.598481][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.598614][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.598747][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.598879][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.599008][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.599142][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.599281][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.599412][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.599544][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.599673][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.599804][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.599934][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.600070][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.600206][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.600366][  T207] RIP: 0033:0x7f6a4b40bbcb
[    9.600501][  T207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.600963][  T207] RSP: 002b:00007ffe616d6968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.601162][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6a4b40bbcb
[    9.601359][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.601552][  T207] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.601746][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe616d8b90
[    9.601939][  T207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe616da884
| [    9.605663][  T207] ------------[ cut here ]------------
| [    9.605797][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.606022][  T207] Modules linked in:
| [    9.606391][  T207] Tainted: [W]=WARN
[    9.606489][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.606652][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.606819][  T207] 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
[    9.607292][  T207] RSP: 0018:ffa00000009a7918 EFLAGS: 00010286
[    9.607455][  T207] RAX: 00000000ffffffa6 RBX: ff1100000f63d1c0 RCX: 1ff4000000134ee9
[    9.607647][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f63d27c
[    9.607838][  T207] RBP: ff11000009b29000 R08: 1fe2200001ec7a51 R09: ff1100000f615180
[    9.608030][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.608232][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b29000
[    9.608425][  T207] FS:  00007f6a4b149840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.608650][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.608811][  T207] CR2: 00007f6a4b34ac20 CR3: 000000000f61f005 CR4: 0000000000771ef0
[    9.609007][  T207] PKRU: 55555554
[    9.609108][  T207] Call Trace:
[    9.609210][  T207]  <TASK>
[    9.609278][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.609408][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.609539][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.609638][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.609769][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.609931][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.610066][  T207]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.610200][  T207]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.610328][  T207]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.610458][  T207]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.610590][  T207]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.610722][  T207]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.610854][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.610955][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.611056][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.611193][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.611322][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.611452][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.611583][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.611715][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.611846][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.611975][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.612108][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.612243][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.612374][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.612505][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.612633][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.612763][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.612891][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.613021][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.613156][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.613321][  T207] RIP: 0033:0x7f6a4b40bbcb
[    9.613456][  T207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.613917][  T207] RSP: 002b:00007ffe616d6968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.614116][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6a4b40bbcb
[    9.614317][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.614510][  T207] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.614702][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe616d8b90
[    9.614894][  T207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe616da884
| [    9.619038][  T207] ------------[ cut here ]------------
| [    9.619231][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.619459][  T207] Modules linked in:
| [    9.619821][  T207] Tainted: [W]=WARN
[    9.619921][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.620093][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.620269][  T207] 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
[    9.620735][  T207] RSP: 0018:ffa00000009a78f8 EFLAGS: 00010286
[    9.620901][  T207] RAX: 00000000ffffffa6 RBX: ff110000061e31c0 RCX: 1ff4000000134ee5
[    9.621100][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000061e327c
[    9.621303][  T207] RBP: ff1100000f741000 R08: 1fe2200000c3c651 R09: ff1100000f615180
[    9.621499][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.621694][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f741000
[    9.621891][  T207] FS:  00007f6a4b149840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.622123][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.622292][  T207] CR2: 00007f6a4b34ac20 CR3: 000000000f61f005 CR4: 0000000000771ef0
[    9.622492][  T207] PKRU: 55555554
[    9.622588][  T207] Call Trace:
[    9.622687][  T207]  <TASK>
[    9.622754][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.622886][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.623017][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.623123][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.623261][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.623428][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.623562][  T207]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.623693][  T207]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.623825][  T207]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.623958][  T207]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.624096][  T207]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.624232][  T207]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.624363][  T207]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.624497][  T207]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.624627][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.624728][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.624828][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.624958][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.625093][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.625230][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.625363][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.625495][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.625627][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.625759][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.625890][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.626021][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.626157][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.626296][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.626426][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.626556][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.626688][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.626818][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.626950][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.627212][  T207] RIP: 0033:0x7f6a4b40bbcb
[    9.627348][  T207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.627904][  T207] RSP: 002b:00007ffe616d6968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.628106][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6a4b40bbcb
[    9.628308][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.628503][  T207] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.628697][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe616d8b90
[    9.628982][  T207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe616da884
| [    9.633428][  T207] ------------[ cut here ]------------
| [    9.633566][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.633877][  T207] Modules linked in:
| [    9.634254][  T207] Tainted: [W]=WARN
[    9.634351][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.634514][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.634683][  T207] 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
[    9.635246][  T207] RSP: 0018:ffa00000009a7a78 EFLAGS: 00010286
[    9.635496][  T207] RAX: 00000000ffffffa6 RBX: ff110000061e38c0 RCX: 1ff4000000134f15
[    9.635690][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000061e397c
[    9.635884][  T207] RBP: ff1100000f759000 R08: 1fe2200000c3c731 R09: ff1100000f615180
[    9.636169][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.636367][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f759000
[    9.636563][  T207] FS:  00007f6a4b149840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.636876][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.637039][  T207] CR2: 00007f6a4b34ac20 CR3: 000000000f61f005 CR4: 0000000000771ef0
[    9.637247][  T207] PKRU: 55555554
[    9.637345][  T207] Call Trace:
[    9.637442][  T207]  <TASK>
[    9.637508][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.637639][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.637856][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.637959][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.638094][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.638260][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.638478][  T207]  register_netdev (net/core/dev.c:11552)
[    9.638609][  T207]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.638740][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.638840][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.638939][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.639159][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.639293][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.639424][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.639555][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.639780][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.639911][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.640043][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.640185][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.640401][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.640531][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.640663][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.640793][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.641007][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.641143][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.641281][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.641412][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.641659][  T207] RIP: 0033:0x7f6a4b40bbcb
[    9.641795][  T207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.642362][  T207] RSP: 002b:00007ffe616d6968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.642557][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6a4b40bbcb
[    9.642839][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.643032][  T207] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.643237][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe616d8b90
[    9.643517][  T207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe616da884
| [    9.653509][  T207] ------------[ cut here ]------------
| [    9.653646][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.653869][  T207] Modules linked in:
| [    9.654341][  T207] Tainted: [W]=WARN
[    9.654439][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.654691][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.654862][  T207] 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
[    9.655426][  T207] RSP: 0018:ffa00000009a7a68 EFLAGS: 00010286
[    9.655589][  T207] RAX: 00000000ffffffa6 RBX: ff11000005528200 RCX: 1ff4000000134f13
[    9.655872][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000055282bc
[    9.656070][  T207] RBP: ff110000050a4000 R08: 1fe2200000aa5059 R09: ff1100000f615180
[    9.656271][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.656551][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050a4000
[    9.656746][  T207] FS:  00007f6a4b149840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.656972][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.657228][  T207] CR2: 00007f6a4b34ac20 CR3: 000000000f61f005 CR4: 0000000000771ef0
[    9.657422][  T207] PKRU: 55555554
[    9.657519][  T207] Call Trace:
[    9.657702][  T207]  <TASK>
[    9.657769][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.657898][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.658027][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.658130][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.658267][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.658430][  T207]  register_netdev (net/core/dev.c:11552)
[    9.658560][  T207]  sit_init_net (net/ipv6/sit.c:1860)
[    9.658693][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.658878][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.658976][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.659109][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.659245][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.659460][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.659591][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.659725][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.659854][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.660071][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.660209][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.660339][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.660468][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.660684][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.660814][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.660944][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.661076][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.661214][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.661346][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.661506][  T207] RIP: 0033:0x7f6a4b40bbcb
[    9.661641][  T207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.662203][  T207] RSP: 002b:00007ffe616d6968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.662485][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6a4b40bbcb
[    9.662677][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.662870][  T207] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.663155][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe616d8b90
[    9.663354][  T207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe616da884
| [    9.667975][  T207] ------------[ cut here ]------------
| [    9.668121][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.668439][  T207] Modules linked in:
| [    9.668892][  T207] Tainted: [W]=WARN
[    9.668990][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.669158][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.669330][  T207] 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
[    9.669884][  T207] RSP: 0018:ffa00000009a7a78 EFLAGS: 00010286
[    9.670139][  T207] RAX: 00000000ffffffa6 RBX: ff110000061ea200 RCX: 1ff4000000134f15
[    9.670340][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000061ea2bc
[    9.670533][  T207] RBP: ff1100000e54c000 R08: 1fe2200000c3d459 R09: ff1100000f615180
[    9.670816][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.671010][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e54c000
[    9.671216][  T207] FS:  00007f6a4b149840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.671446][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.671608][  T207] CR2: 00007f6a4b34ac20 CR3: 000000000f61f005 CR4: 0000000000771ef0
[    9.671893][  T207] PKRU: 55555554
[    9.671990][  T207] Call Trace:
[    9.672090][  T207]  <TASK>
[    9.672158][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.672293][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.672510][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.672610][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.672743][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.672904][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.673128][  T207]  register_netdev (net/core/dev.c:11552)
[    9.673262][  T207]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.673393][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.673493][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.673593][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.673808][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.673941][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.674079][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.674219][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.674353][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.674484][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.674614][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.674745][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.674961][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.675095][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.675233][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.675363][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.675579][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.675709][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.675839][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.675971][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.676227][  T207] RIP: 0033:0x7f6a4b40bbcb
[    9.676363][  T207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.676914][  T207] RSP: 002b:00007ffe616d6968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.677118][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6a4b40bbcb
[    9.677410][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.677604][  T207] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.677795][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe616d8b90
[    9.678081][  T207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe616da884
| [    9.707376][  T208] ------------[ cut here ]------------
| [    9.707521][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/208
| [    9.707748][  T208] Modules linked in:
| [    9.708121][  T208] Tainted: [W]=WARN
[    9.708231][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.708394][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.708563][  T208] 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
[    9.709022][  T208] RSP: 0018:ffa00000009b7020 EFLAGS: 00010286
[    9.709197][  T208] RAX: 00000000ffffffa6 RBX: ff110000061eb1c0 RCX: 1ff4000000136dca
[    9.709391][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000061eb27c
[    9.709584][  T208] RBP: ff1100000f3bc000 R08: 1fe2200000c3d651 R09: ff11000009a42e58
[    9.709777][  T208] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.709970][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.710169][  T208] FS:  00007f6e7cf65840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[    9.710404][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.710567][  T208] CR2: 0000000013106988 CR3: 0000000009bd7004 CR4: 0000000000771ef0
[    9.710761][  T208] PKRU: 55555554
[    9.710859][  T208] Call Trace:
[    9.710957][  T208]  <TASK>
[    9.711025][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.711164][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.711270][  T208]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.711402][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[    9.711535][  T208]  ? netif_change_name (net/core/dev.c:1495)
[    9.711665][  T208]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.711794][  T208]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.711924][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.712056][  T208]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.712197][  T208]  netif_change_flags (net/core/dev.c:9820)
[    9.712328][  T208]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.712460][  T208]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.712593][  T208]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.712724][  T208]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.712888][  T208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.713017][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.713149][  T208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.713609][  T208]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.713741][  T208]  ? __kernel_text_address (kernel/extable.c:79)
[    9.713872][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.714003][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.714139][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.714282][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.714411][  T208]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.714541][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.714671][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.714800][  T208]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.714931][  T208]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.715066][  T208]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.715202][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.715333][  T208]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.715466][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.715598][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.715730][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.715860][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.715989][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.716121][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.716258][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.716391][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.716519][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.716650][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.716780][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.716911][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.717041][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.717176][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.717315][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.717443][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.717575][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.717706][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.717837][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.717967][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.718102][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.718242][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.718372][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.718503][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.718635][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.718765][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.718895][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.719025][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.719158][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.719296][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.719428][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.719559][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.719722][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[    9.719853][  T208]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.719984][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.720121][  T208]  ___sys_sendmsg (net/socket.c:2752)
[    9.720258][  T208]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.720424][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.720567][  T208]  __sys_sendmsg (net/socket.c:2784)
[    9.720698][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.720828][  T208]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.720992][  T208]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.721125][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.721262][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.721393][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.721524][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.721657][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.721819][  T208] RIP: 0033:0x7f6e7d19f08e
[    9.721957][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.722428][  T208] RSP: 002b:00007ffd5ce990a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.722626][  T208] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6e7d19f08e
[    9.722822][  T208] RDX: 0000000000000000 RSI: 00007ffd5ce99150 RDI: 0000000000000005
[    9.723016][  T208] RBP: 00007ffd5ce990b0 R08: 0000000000000000 R09: 0000000000000000
[    9.723221][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28b
[    9.723417][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5ce99820
| [    9.832209][  T211] ------------[ cut here ]------------
| [    9.832393][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [    9.832674][  T211] Modules linked in:
| [    9.833086][  T211] Tainted: [W]=WARN
[    9.833226][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.833396][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.833572][  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
[    9.834059][  T211] RSP: 0018:ffa00000009e6e30 EFLAGS: 00010286
[    9.834240][  T211] RAX: 00000000ffffffa6 RBX: ff1100000ca06900 RCX: 1ff400000013cd8c
[    9.834439][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca069bc
[    9.834640][  T211] RBP: ff1100000f5b9000 R08: 1fe2200001940d39 R09: ff1100000ff9d180
[    9.834840][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.835040][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008cace80
[    9.835256][  T211] FS:  00007f6f5c43e840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[    9.835493][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.835663][  T211] CR2: 00000000004eb188 CR3: 000000000ff6d004 CR4: 0000000000771ef0
[    9.835865][  T211] PKRU: 55555554
[    9.835966][  T211] Call Trace:
[    9.836071][  T211]  <TASK>
[    9.836142][  T211]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.836321][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.836457][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.836560][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.836694][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.836827][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[    9.836960][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.837102][  T211]  ? netif_change_name (net/core/dev.c:1495)
[    9.837245][  T211]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.837381][  T211]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.837551][  T211]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[    9.837722][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.837855][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.837988][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.838127][  T211]  veth_newlink (drivers/net/veth.c:1871)
[    9.838273][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.838407][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.838541][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.838673][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.838822][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.838957][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.839095][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.839294][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.839430][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.839567][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.839702][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.839836][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.839971][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.840114][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.840320][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.840458][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.840591][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.840726][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.840860][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.840994][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.841137][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.841360][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.841495][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.841628][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.841764][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.841898][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.842036][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.842175][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.842457][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.842591][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.842725][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.842864][  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))
[    9.842999][  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))
[    9.843138][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.843345][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.843480][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.843616][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.843752][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.843886][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.844023][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.844163][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.844373][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.844540][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[    9.844675][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.844810][  T211]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.844945][  T211]  ___sys_sendmsg (net/socket.c:2752)
[    9.845081][  T211]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.845276][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.845415][  T211]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.845554][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.845691][  T211]  __sys_sendmsg (net/socket.c:2784)
[    9.845825][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.845963][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.846103][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.846278][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.846413][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.846548][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.846681][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.846848][  T211] RIP: 0033:0x7f6f5c67808e
[    9.846988][  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
[    9.847476][  T211] RSP: 002b:00007ffd3c4bc030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.847678][  T211] RAX: ffffffffffffffda RBX: 00007ffd3c4bc7d8 RCX: 00007f6f5c67808e
[    9.847878][  T211] RDX: 0000000000000000 RSI: 00007ffd3c4bc0e0 RDI: 0000000000000005
[    9.848083][  T211] RBP: 00007ffd3c4bc040 R08: 0000000000000000 R09: 0000000000000000
[    9.848293][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[    9.848494][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3c4bc7b0
| [    9.863287][  T211] ------------[ cut here ]------------
| [    9.863431][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [    9.863662][  T211] Modules linked in:
| [    9.864035][  T211] Tainted: [W]=WARN
[    9.864143][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.864362][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.864538][  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
[    9.865012][  T211] RSP: 0018:ffa00000009e71b0 EFLAGS: 00010286
[    9.865193][  T211] RAX: 00000000ffffffa6 RBX: ff1100000ced8c80 RCX: 1ff400000013cdfc
[    9.865394][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ced8d3c
[    9.865592][  T211] RBP: ff11000002819000 R08: 1fe22000019db1a9 R09: ff1100000ff9d180
[    9.865793][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.865991][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff9e203b20
[    9.866203][  T211] FS:  00007f6f5c43e840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[    9.866437][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.866605][  T211] CR2: 00000000004eb188 CR3: 000000000ff6d004 CR4: 0000000000771ef0
[    9.866805][  T211] PKRU: 55555554
[    9.866905][  T211] Call Trace:
[    9.867004][  T211]  <TASK>
[    9.867078][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.867221][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.867323][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[    9.867458][  T211]  ? netif_change_name (net/core/dev.c:1495)
[    9.867592][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.867726][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.867860][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.867996][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.868138][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.868279][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.868411][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.868551][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.868689][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.868825][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.868960][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.869098][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.869238][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.869370][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.869508][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.869643][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.869776][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.869908][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.870041][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.870188][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.870323][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.870456][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.870591][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.870726][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.870860][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.870996][  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))
[    9.871137][  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))
[    9.871281][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.871415][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.871549][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.871684][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.871819][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.871953][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.872094][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.872235][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.872369][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.872535][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[    9.872669][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.872802][  T211]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.872936][  T211]  ___sys_sendmsg (net/socket.c:2752)
[    9.873074][  T211]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.873217][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.873356][  T211]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.873494][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.873631][  T211]  __sys_sendmsg (net/socket.c:2784)
[    9.873764][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.873900][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.874033][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.874171][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.874311][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.874445][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.874579][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.874744][  T211] RIP: 0033:0x7f6f5c67808e
[    9.874884][  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
[    9.875371][  T211] RSP: 002b:00007ffd3c4bc030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.875573][  T211] RAX: ffffffffffffffda RBX: 00007ffd3c4bc7d8 RCX: 00007f6f5c67808e
[    9.875772][  T211] RDX: 0000000000000000 RSI: 00007ffd3c4bc0e0 RDI: 0000000000000005
[    9.875971][  T211] RBP: 00007ffd3c4bc040 R08: 0000000000000000 R09: 0000000000000000
[    9.876176][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[    9.876383][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3c4bc7b0
| [    9.905131][  T212] ------------[ cut here ]------------
| [    9.905307][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [    9.905558][  T212] Modules linked in:
| [    9.905983][  T212] Tainted: [W]=WARN
[    9.906093][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.906267][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.906444][  T212] 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
[    9.906916][  T212] RSP: 0018:ffa00000009f6e30 EFLAGS: 00010286
[    9.907090][  T212] RAX: 00000000ffffffa6 RBX: ff110000098c6580 RCX: 1ff400000013ed8c
[    9.907297][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000098c663c
[    9.907498][  T212] RBP: ff1100000ff91000 R08: 1fe2200001318cc9 R09: ff11000009ac5180
[    9.907698][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.907899][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000960cb00
[    9.908116][  T212] FS:  00007f50a2045840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.908366][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.908544][  T212] CR2: 00000000004eb188 CR3: 000000000f187005 CR4: 0000000000771ef0
[    9.908748][  T212] PKRU: 55555554
[    9.908848][  T212] Call Trace:
[    9.908947][  T212]  <TASK>
[    9.909017][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.909159][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.909264][  T212]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.909430][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[    9.909566][  T212]  ? netif_change_name (net/core/dev.c:1495)
[    9.909700][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.909834][  T212]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.909971][  T212]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.910116][  T212]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.910259][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.910394][  T212]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.910530][  T212]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.910664][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.910796][  T212]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.910931][  T212]  veth_newlink (drivers/net/veth.c:1871)
[    9.911071][  T212]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.911211][  T212]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.911345][  T212]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.911479][  T212]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.911628][  T212]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.911761][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.911896][  T212]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.912030][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.912171][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.912315][  T212]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.912450][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.912584][  T212]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.912717][  T212]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.912856][  T212]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.912994][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.913136][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.913278][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.913411][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.913544][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.913676][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.913813][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.913948][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.914088][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.914228][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.914361][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.914492][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.914629][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.914762][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.914897][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.915031][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.915171][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.915315][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.915449][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.915584][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.915719][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.915882][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.916018][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.916157][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.916297][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.916433][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.916567][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.916700][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.916867][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[    9.917001][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.917141][  T212]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.917283][  T212]  ___sys_sendmsg (net/socket.c:2752)
[    9.917416][  T212]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.917550][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.917689][  T212]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.917827][  T212]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.917963][  T212]  __sys_sendmsg (net/socket.c:2784)
[    9.918102][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.918247][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.918380][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.918515][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.918660][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.918793][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.918927][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.919098][  T212] RIP: 0033:0x7f50a227f08e
[    9.919244][  T212] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.919728][  T212] RSP: 002b:00007fff53b1ec90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.919930][  T212] RAX: ffffffffffffffda RBX: 00007fff53b1f438 RCX: 00007f50a227f08e
[    9.920135][  T212] RDX: 0000000000000000 RSI: 00007fff53b1ed40 RDI: 0000000000000005
[    9.920350][  T212] RBP: 00007fff53b1eca0 R08: 0000000000000000 R09: 0000000000000000
[    9.920549][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[    9.920747][  T212] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff53b1f410
| [    9.928817][  T212] ------------[ cut here ]------------
| [    9.928956][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [    9.929702][  T212] Modules linked in:
| [    9.930078][  T212] Tainted: [W]=WARN
[    9.930244][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.930467][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.930638][  T212] 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
[    9.931119][  T212] RSP: 0018:ffa00000009f71b0 EFLAGS: 00010286
[    9.931344][  T212] RAX: 00000000ffffffa6 RBX: ff11000005045000 RCX: 1ff400000013edfc
[    9.931540][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050450bc
[    9.931735][  T212] RBP: ff1100000a8ac000 R08: 1fe2200000a08a19 R09: ff11000009ac5180
[    9.931932][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.932139][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff9e203b20
[    9.932394][  T212] FS:  00007f50a2045840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[    9.932626][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.932792][  T212] CR2: 00000000004eb188 CR3: 000000000f187005 CR4: 0000000000771ef0
[    9.932998][  T212] PKRU: 55555554
[    9.933100][  T212] Call Trace:
[    9.933257][  T212]  <TASK>
[    9.933325][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.933460][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.933560][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[    9.933693][  T212]  ? netif_change_name (net/core/dev.c:1495)
[    9.933828][  T212]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.933966][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.934105][  T212]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.934297][  T212]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.934431][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.934562][  T212]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.934694][  T212]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.934839][  T212]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.934975][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.935116][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.935308][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.935439][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.935570][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.935701][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.935845][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.935979][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.936117][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.936309][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.936441][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.936572][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.936718][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.936849][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.936982][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.937119][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.937311][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.937446][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.937577][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.937718][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.937851][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.937984][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.938124][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.938313][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.938447][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.938586][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.938719][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.938851][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.939014][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[    9.939154][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.939344][  T212]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.939477][  T212]  ___sys_sendmsg (net/socket.c:2752)
[    9.939614][  T212]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.939746][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.939883][  T212]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.940019][  T212]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.940160][  T212]  __sys_sendmsg (net/socket.c:2784)
[    9.940352][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.940495][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.940627][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.940760][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.940892][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.941024][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.941160][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.941385][  T212] RIP: 0033:0x7f50a227f08e
[    9.941524][  T212] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.941994][  T212] RSP: 002b:00007fff53b1ec90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.942255][  T212] RAX: ffffffffffffffda RBX: 00007fff53b1f438 RCX: 00007f50a227f08e
[    9.942460][  T212] RDX: 0000000000000000 RSI: 00007fff53b1ed40 RDI: 0000000000000005
[    9.942658][  T212] RBP: 00007fff53b1eca0 R08: 0000000000000000 R09: 0000000000000000
[    9.942854][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[    9.943056][  T212] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff53b1f410
| [    9.983923][  T213] ------------[ cut here ]------------
| [    9.984125][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/213
| [    9.984915][  T213] Modules linked in:
| [    9.985371][  T213] Tainted: [W]=WARN
[    9.985474][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.985643][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.985847][  T213] 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
[    9.986336][  T213] RSP: 0018:ffa0000000a071b0 EFLAGS: 00010286
[    9.986506][  T213] RAX: 00000000ffffffa6 RBX: ff110000060a0c80 RCX: 1ff4000000140dfc
[    9.986706][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000060a0d3c
[    9.986906][  T213] RBP: ff1100000f5bc000 R08: 1fe2200000c141a9 R09: ff11000009ac2ea8
[    9.987113][  T213] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.987324][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.987526][  T213] FS:  00007f5bd7fd8840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[    9.987762][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.987932][  T213] CR2: 00000000004a77b8 CR3: 000000000ff6d001 CR4: 0000000000771ef0
[    9.988140][  T213] PKRU: 55555554
[    9.988251][  T213] Call Trace:
[    9.988354][  T213]  <TASK>
[    9.988423][  T213]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.988558][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.988694][  T213]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.988829][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.988932][  T213]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[    9.989074][  T213]  __dev_notify_flags (net/core/dev.c:9787)
[    9.989218][  T213]  ? netif_change_name (net/core/dev.c:1495)
[    9.989358][  T213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.989526][  T213]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.989663][  T213]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.989800][  T213]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.989933][  T213]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.990072][  T213]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.990221][  T213]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.990360][  T213]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.990496][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.990629][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.990763][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.990897][  T213]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.991030][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.991178][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.991323][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.991460][  T213]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.991594][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.991729][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.991863][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.991999][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.992138][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.992281][  T213]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.992417][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.992552][  T213]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.992692][  T213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.992825][  T213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.992961][  T213]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.993103][  T213]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.993245][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.993383][  T213]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.993520][  T213]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.993657][  T213]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.993795][  T213]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.993931][  T213]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.994070][  T213]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.994247][  T213]  ? move_addr_to_kernel (net/socket.c:258)
[    9.994383][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.994519][  T213]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.994656][  T213]  ___sys_sendmsg (net/socket.c:2752)
[    9.994789][  T213]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.994925][  T213]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.995068][  T213]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.995217][  T213]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.995355][  T213]  __sys_sendmsg (net/socket.c:2784)
[    9.995490][  T213]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.995630][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.995765][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.995902][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.996036][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.996174][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.996317][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.996484][  T213] RIP: 0033:0x7f5bd821208e
[    9.996628][  T213] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.997110][  T213] RSP: 002b:00007ffd2914e000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.997322][  T213] RAX: ffffffffffffffda RBX: 00007ffd2914e7a8 RCX: 00007f5bd821208e
[    9.997524][  T213] RDX: 0000000000000000 RSI: 00007ffd2914e0b0 RDI: 0000000000000005
[    9.997726][  T213] RBP: 00007ffd2914e010 R08: 0000000000000000 R09: 0000000000000000
[    9.997926][  T213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[    9.998130][  T213] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2914e780
| [   10.027477][  T214] ------------[ cut here ]------------
| [   10.027654][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/214
| [   10.027884][  T214] Modules linked in:
| [   10.028447][  T214] Tainted: [W]=WARN
[   10.028547][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.028711][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.028889][  T214] 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
[   10.029458][  T214] RSP: 0018:ffa0000000a17020 EFLAGS: 00010286
[   10.029624][  T214] RAX: 00000000ffffffa6 RBX: ff110000060a0e40 RCX: 1ff4000000142dca
[   10.029818][  T214] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000060a0efc
[   10.030012][  T214] RBP: ff1100000f5bc000 R08: 1fe2200000c141e1 R09: ff1100000e970b80
[   10.030301][  T214] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.030582][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.030780][  T214] FS:  00007fa328ea7840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   10.031008][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.031271][  T214] CR2: 000000000b89c988 CR3: 000000000fc1f001 CR4: 0000000000771ef0
[   10.031468][  T214] PKRU: 55555554
[   10.031567][  T214] Call Trace:
[   10.031665][  T214]  <TASK>
[   10.031734][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.031869][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.031969][  T214]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.032105][  T214]  __dev_notify_flags (net/core/dev.c:9787)
[   10.032306][  T214]  ? netif_change_name (net/core/dev.c:1495)
[   10.032439][  T214]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.032570][  T214]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.032700][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.032832][  T214]  ? 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))
[   10.032966][  T214]  netif_change_flags (net/core/dev.c:9820)
[   10.033104][  T214]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.033254][  T214]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.033387][  T214]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.033571][  T214]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.033704][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.033835][  T214]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.033965][  T214]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.034101][  T214]  ? __kernel_text_address (kernel/extable.c:79)
[   10.034280][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.034413][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.034543][  T214]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.034677][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.034808][  T214]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.034939][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.035074][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.035213][  T214]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.035345][  T214]  ? __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)
[   10.035476][  T214]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.035607][  T214]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.035740][  T214]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.035874][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.036008][  T214]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.036146][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.036283][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.036414][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.036545][  T214]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.036674][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.036809][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.036941][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.037078][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.037216][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.037348][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.037478][  T214]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.037609][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.037741][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.037873][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.038005][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.038140][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.038279][  T214]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.038410][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.038542][  T214]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.038677][  T214]  ? 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))
[   10.038810][  T214]  ? 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))
[   10.038944][  T214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.039081][  T214]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.039220][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.039353][  T214]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.039485][  T214]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.039618][  T214]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.039752][  T214]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.039884][  T214]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.040015][  T214]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.040189][  T214]  ? move_addr_to_kernel (net/socket.c:258)
[   10.040322][  T214]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.040453][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.040585][  T214]  ___sys_sendmsg (net/socket.c:2752)
[   10.040717][  T214]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.040882][  T214]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.041026][  T214]  __sys_sendmsg (net/socket.c:2784)
[   10.041160][  T214]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.041296][  T214]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.041461][  T214]  ? 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)
[   10.041593][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.041725][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.041856][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.041986][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.042121][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.042291][  T214] RIP: 0033:0x7fa3290e108e
[   10.042429][  T214] 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
[   10.042897][  T214] RSP: 002b:00007ffcfc3997f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.043097][  T214] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa3290e108e
[   10.043297][  T214] RDX: 0000000000000000 RSI: 00007ffcfc3998a0 RDI: 0000000000000005
[   10.043492][  T214] RBP: 00007ffcfc399800 R08: 0000000000000000 R09: 0000000000000000
[   10.043691][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[   10.043886][  T214] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfc399f70
| [   10.128561][  T217] ------------[ cut here ]------------
| [   10.128708][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/217
| [   10.128936][  T217] Modules linked in:
| [   10.129988][  T217] Tainted: [W]=WARN
[   10.130093][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.130259][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.130431][  T217] 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
[   10.130894][  T217] RSP: 0018:ffa0000000a47020 EFLAGS: 00010286
[   10.131058][  T217] RAX: 00000000ffffffa6 RBX: ff11000008e86ac0 RCX: 1ff4000000148dca
[   10.131258][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e86b7c
[   10.131451][  T217] RBP: ff1100000f5b9000 R08: 1fe22000011d0d71 R09: ff11000009a40b58
[   10.131643][  T217] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.131836][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.132029][  T217] FS:  00007f108dc74840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   10.132270][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.132437][  T217] CR2: 0000000026cab988 CR3: 0000000011c93004 CR4: 0000000000771ef0
[   10.132631][  T217] PKRU: 55555554
[   10.132727][  T217] Call Trace:
[   10.132823][  T217]  <TASK>
[   10.132889][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.133021][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.133125][  T217]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.133259][  T217]  __dev_notify_flags (net/core/dev.c:9787)
[   10.133389][  T217]  ? netif_change_name (net/core/dev.c:1495)
[   10.133519][  T217]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.133649][  T217]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.133776][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.133905][  T217]  ? 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))
[   10.134038][  T217]  netif_change_flags (net/core/dev.c:9820)
[   10.134172][  T217]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.134310][  T217]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.134443][  T217]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.134574][  T217]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.134733][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.134862][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.134991][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.135123][  T217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.135260][  T217]  ? __kernel_text_address (kernel/extable.c:79)
[   10.135391][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.135524][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.135657][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.135788][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.135917][  T217]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.136047][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.136188][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.136329][  T217]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.136469][  T217]  ? __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)
[   10.136604][  T217]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.136733][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.136864][  T217]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.136997][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.137137][  T217]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.137279][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.137409][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.137538][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.137669][  T217]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.137797][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.137928][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.138059][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.138195][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.138325][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.138456][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.138585][  T217]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.138714][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.138841][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.138968][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.139104][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.139240][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.139372][  T217]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.139500][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.139629][  T217]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.139762][  T217]  ? 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))
[   10.139890][  T217]  ? 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))
[   10.140020][  T217]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.140155][  T217]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.140291][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.140422][  T217]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.140552][  T217]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.140682][  T217]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.140813][  T217]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.140941][  T217]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.141075][  T217]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.141243][  T217]  ? move_addr_to_kernel (net/socket.c:258)
[   10.141375][  T217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.141504][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.141634][  T217]  ___sys_sendmsg (net/socket.c:2752)
[   10.141762][  T217]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.141924][  T217]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.142070][  T217]  __sys_sendmsg (net/socket.c:2784)
[   10.142207][  T217]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.142337][  T217]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.142499][  T217]  ? 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)
[   10.142629][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.142759][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.142887][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.143017][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.143150][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.143319][  T217] RIP: 0033:0x7f108deae08e
[   10.143456][  T217] 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
[   10.143918][  T217] RSP: 002b:00007ffc98217790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.144117][  T217] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f108deae08e
[   10.144320][  T217] RDX: 0000000000000000 RSI: 00007ffc98217840 RDI: 0000000000000005
[   10.144513][  T217] RBP: 00007ffc982177a0 R08: 0000000000000000 R09: 0000000000000000
[   10.144705][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[   10.144898][  T217] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc98217f10
| [   10.174123][  T218] ------------[ cut here ]------------
| [   10.174467][  T218] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/218
| [   10.174736][  T218] Modules linked in:
| [   10.175216][  T218] Tainted: [W]=WARN
[   10.175359][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.175565][  T218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.175779][  T218] 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
[   10.176307][  T218] RSP: 0018:ffa0000000a57020 EFLAGS: 00010286
[   10.176515][  T218] RAX: 00000000ffffffa6 RBX: ff11000001f438c0 RCX: 1ff400000014adca
[   10.176752][  T218] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001f4397c
[   10.176988][  T218] RBP: ff1100000ff91000 R08: 1fe22000003e8731 R09: ff11000009a45158
[   10.177245][  T218] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.177486][  T218] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.177725][  T218] FS:  00007fe09d0a4840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   10.177993][  T218] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.178220][  T218] CR2: 000000002034b988 CR3: 0000000011d93004 CR4: 0000000000771ef0
[   10.178462][  T218] PKRU: 55555554
[   10.178603][  T218] Call Trace:
[   10.178745][  T218]  <TASK>
[   10.178858][  T218]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.179034][  T218]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.179200][  T218]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.179372][  T218]  __dev_notify_flags (net/core/dev.c:9787)
[   10.179550][  T218]  ? netif_change_name (net/core/dev.c:1495)
[   10.179727][  T218]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.179903][  T218]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.180084][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.180277][  T218]  ? 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))
[   10.180456][  T218]  netif_change_flags (net/core/dev.c:9820)
[   10.180646][  T218]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.180822][  T218]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.181002][  T218]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.181203][  T218]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.181411][  T218]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.181588][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.181762][  T218]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.181936][  T218]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.182122][  T218]  ? __kernel_text_address (kernel/extable.c:79)
[   10.182314][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.182492][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.182666][  T218]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.182842][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.183017][  T218]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.183210][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.183383][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.183562][  T218]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.183737][  T218]  ? __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)
[   10.183912][  T218]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.184094][  T218]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.184287][  T218]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.184465][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.184644][  T218]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.184822][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.184997][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.185195][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.185372][  T218]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.185546][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.185725][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.185898][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.186081][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.186273][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.186450][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.186626][  T218]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.186802][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.186976][  T218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.187157][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.187349][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.187522][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.187700][  T218]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.187875][  T218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.188058][  T218]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.188251][  T218]  ? 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))
[   10.188425][  T218]  ? 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))
[   10.188602][  T218]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.188779][  T218]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.188958][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.189145][  T218]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.189333][  T218]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.189509][  T218]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.189687][  T218]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.189863][  T218]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.190038][  T218]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.190263][  T218]  ? move_addr_to_kernel (net/socket.c:258)
[   10.190446][  T218]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.190620][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.190796][  T218]  ___sys_sendmsg (net/socket.c:2752)
[   10.190972][  T218]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.191200][  T218]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.191387][  T218]  __sys_sendmsg (net/socket.c:2784)
[   10.191564][  T218]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.191752][  T218]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.191961][  T218]  ? 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)
[   10.192145][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.192332][  T218]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.192508][  T218]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.192697][  T218]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.192874][  T218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.193094][  T218] RIP: 0033:0x7fe09d2de08e
[   10.193292][  T218] 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
[   10.193793][  T218] RSP: 002b:00007fff82d10c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.194033][  T218] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe09d2de08e
[   10.194309][  T218] RDX: 0000000000000000 RSI: 00007fff82d10cb0 RDI: 0000000000000005
[   10.194549][  T218] RBP: 00007fff82d10c10 R08: 0000000000000000 R09: 0000000000000000
[   10.194787][  T218] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[   10.195025][  T218] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff82d11380
| [   10.428439][  T225] ------------[ cut here ]------------
| [   10.428615][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/225
| [   10.428861][  T225] Modules linked in:
| [   10.429318][  T225] Tainted: [W]=WARN
[   10.429423][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.429595][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.429776][  T225] 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
[   10.430278][  T225] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[   10.430451][  T225] RAX: 00000000ffffffa6 RBX: ff1100000bde6740 RCX: 1ff4000000116dfc
[   10.430657][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bde67fc
[   10.430877][  T225] RBP: ff1100000f529000 R08: 1fe22000017bcd01 R09: ff1100000f738ba8
[   10.431085][  T225] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.431294][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.431500][  T225] FS:  00007f46e1b71840(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   10.431740][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.431912][  T225] CR2: 00000000004a77b8 CR3: 000000000f06f002 CR4: 0000000000771ef0
[   10.432123][  T225] PKRU: 55555554
[   10.432231][  T225] Call Trace:
[   10.432333][  T225]  <TASK>
[   10.432405][  T225]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.432545][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.432684][  T225]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.432823][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.432926][  T225]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   10.433069][  T225]  __dev_notify_flags (net/core/dev.c:9787)
[   10.433212][  T225]  ? netif_change_name (net/core/dev.c:1495)
[   10.433352][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.433525][  T225]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.433664][  T225]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.433804][  T225]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.433940][  T225]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.434081][  T225]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.434232][  T225]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.434374][  T225]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.434512][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.434648][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.434783][  T225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.434921][  T225]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.435059][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.435207][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.435344][  T225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.435480][  T225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.435615][  T225]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.435749][  T225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.435884][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.436022][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.436162][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.436304][  T225]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.436441][  T225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.436577][  T225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.436715][  T225]  ? 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))
[   10.436852][  T225]  ? 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))
[   10.436990][  T225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.437132][  T225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.437274][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.437411][  T225]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.437547][  T225]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.437685][  T225]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.437825][  T225]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.437962][  T225]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.438102][  T225]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.438275][  T225]  ? move_addr_to_kernel (net/socket.c:258)
[   10.438412][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.438549][  T225]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   10.438685][  T225]  ___sys_sendmsg (net/socket.c:2752)
[   10.438822][  T225]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   10.438960][  T225]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.439103][  T225]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   10.439248][  T225]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.439386][  T225]  __sys_sendmsg (net/socket.c:2784)
[   10.439522][  T225]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.439663][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.439800][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.439938][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.440081][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.440223][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.440359][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.440527][  T225] RIP: 0033:0x7f46e1dab08e
[   10.440670][  T225] 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
[   10.441158][  T225] RSP: 002b:00007ffe137b3520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.441368][  T225] RAX: ffffffffffffffda RBX: 00007ffe137b3cc8 RCX: 00007f46e1dab08e
[   10.441569][  T225] RDX: 0000000000000000 RSI: 00007ffe137b35d0 RDI: 0000000000000005
[   10.441772][  T225] RBP: 00007ffe137b3530 R08: 0000000000000000 R09: 0000000000000000
[   10.441973][  T225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[   10.442184][  T225] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe137b3ca0
| [   10.473346][  T226] ------------[ cut here ]------------
| [   10.473493][  T226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/226
| [   10.473727][  T226] Modules linked in:
| [   10.474101][  T226] Tainted: [W]=WARN
[   10.474209][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.474375][  T226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.474545][  T226] 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
[   10.475011][  T226] RSP: 0018:ffa00000005b7020 EFLAGS: 00010286
[   10.475194][  T226] RAX: 00000000ffffffa6 RBX: ff1100000bde7380 RCX: 1ff40000000b6dca
[   10.475397][  T226] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bde743c
[   10.475594][  T226] RBP: ff1100000f529000 R08: 1fe22000017bce89 R09: ff1100000e750b80
[   10.475790][  T226] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.475985][  T226] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.476195][  T226] FS:  00007fbdc2e18840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   10.476425][  T226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.476589][  T226] CR2: 0000000029d70988 CR3: 000000000a2fe004 CR4: 0000000000771ef0
[   10.476787][  T226] PKRU: 55555554
[   10.476885][  T226] Call Trace:
[   10.476982][  T226]  <TASK>
[   10.477055][  T226]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   10.477196][  T226]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.477330][  T226]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.477429][  T226]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.477560][  T226]  __dev_notify_flags (net/core/dev.c:9787)
[   10.477693][  T226]  ? netif_change_name (net/core/dev.c:1495)
[   10.477827][  T226]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.477959][  T226]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.478094][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.478231][  T226]  ? 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))
[   10.478364][  T226]  netif_change_flags (net/core/dev.c:9820)
[   10.478497][  T226]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.478630][  T226]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.478762][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.478925][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.479061][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.479196][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.479327][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.479460][  T226]  ? __kernel_text_address (kernel/extable.c:79)
[   10.479592][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.479725][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.479855][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.479988][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.480122][  T226]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.480272][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.480403][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.480533][  T226]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.480665][  T226]  ? __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)
[   10.480797][  T226]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.480927][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.481067][  T226]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.481297][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.481433][  T226]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.481566][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.481696][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.481827][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.481958][  T226]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.482091][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.482311][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.482496][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.482627][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.482757][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.482888][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.483018][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.483155][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.483355][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.483485][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.483618][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.483748][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.483881][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.484013][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.484148][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.484371][  T226]  ? 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))
[   10.484504][  T226]  ? 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))
[   10.484637][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.484770][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.484902][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.485034][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.485172][  T226]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.485381][  T226]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.485514][  T226]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.485647][  T226]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.485779][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.485942][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   10.486080][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.486280][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.486412][  T226]  ___sys_sendmsg (net/socket.c:2752)
[   10.486542][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.486708][  T226]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.486853][  T226]  __sys_sendmsg (net/socket.c:2784)
[   10.486985][  T226]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.487124][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.487311][  T226]  ? 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)
[   10.487442][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.487576][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.487709][  T226]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.487841][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.487973][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.488142][  T226] RIP: 0033:0x7fbdc305208e
[   10.488289][  T226] 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
[   10.488761][  T226] RSP: 002b:00007ffda2afc320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.488959][  T226] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbdc305208e
[   10.489156][  T226] RDX: 0000000000000000 RSI: 00007ffda2afc3d0 RDI: 0000000000000005
[   10.489360][  T226] RBP: 00007ffda2afc330 R08: 0000000000000000 R09: 0000000000000000
[   10.489559][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[   10.489756][  T226] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda2afcaa0
| [   10.576510][  T230] ------------[ cut here ]------------
| [   10.576697][  T230] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/230
| [   10.576970][  T230] Modules linked in:
| [   10.577458][  T230] Tainted: [W]=WARN
[   10.577601][  T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.577814][  T230] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.578030][  T230] 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
[   10.578557][  T230] RSP: 0018:ffa0000000a97020 EFLAGS: 00010286
[   10.578765][  T230] RAX: 00000000ffffffa6 RBX: ff110000050e6580 RCX: 1ff4000000152dca
[   10.579006][  T230] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050e663c
[   10.579264][  T230] RBP: ff11000002819000 R08: 1fe2200000a1ccc9 R09: ff11000008eb5158
[   10.579501][  T230] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.579739][  T230] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.579982][  T230] FS:  00007fab70070840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   10.580277][  T230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.580484][  T230] CR2: 00007fab703401a0 CR3: 000000000bce4003 CR4: 0000000000771ef0
[   10.580724][  T230] PKRU: 55555554
[   10.580866][  T230] Call Trace:
[   10.581009][  T230]  <TASK>
[   10.581134][  T230]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.581328][  T230]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.581473][  T230]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.581648][  T230]  __dev_notify_flags (net/core/dev.c:9787)
[   10.581827][  T230]  ? netif_change_name (net/core/dev.c:1495)
[   10.582003][  T230]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.582200][  T230]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.582379][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.582555][  T230]  ? 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))
[   10.582733][  T230]  netif_change_flags (net/core/dev.c:9820)
[   10.582910][  T230]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.583094][  T230]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.583370][  T230]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.583622][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.583896][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.584166][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.584444][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.584656][  T230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.584830][  T230]  ? __kernel_text_address (kernel/extable.c:79)
[   10.585007][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.585205][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.585383][  T230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.585568][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.585745][  T230]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.585919][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.586103][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.586299][  T230]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.586478][  T230]  ? __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)
[   10.586656][  T230]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.586833][  T230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.587009][  T230]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.587208][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.587388][  T230]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.587566][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.587740][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.587916][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.588101][  T230]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.588294][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.588476][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.588651][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.588827][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.589003][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.589202][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.589382][  T230]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.589561][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.589735][  T230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.589909][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.590094][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.590283][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.590460][  T230]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.590636][  T230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.590812][  T230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.590994][  T230]  ? 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))
[   10.591176][  T230]  ? 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))
[   10.591369][  T230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.591545][  T230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.591723][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.591900][  T230]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.592084][  T230]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.592279][  T230]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.592455][  T230]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.592633][  T230]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.592807][  T230]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.593012][  T230]  ? move_addr_to_kernel (net/socket.c:258)
[   10.593210][  T230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.593387][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.593570][  T230]  ___sys_sendmsg (net/socket.c:2752)
[   10.593745][  T230]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.593952][  T230]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.594148][  T230]  __sys_sendmsg (net/socket.c:2784)
[   10.594339][  T230]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.594515][  T230]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.594723][  T230]  ? 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)
[   10.594904][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.595090][  T230]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.595281][  T230]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.595458][  T230]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.595634][  T230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.595840][  T230] RIP: 0033:0x7fab702aa08e
[   10.596022][  T230] 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
[   10.596546][  T230] RSP: 002b:00007ffda89c1e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.596787][  T230] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fab702aa08e
[   10.597024][  T230] RDX: 0000000000000000 RSI: 00007ffda89c1ee0 RDI: 0000000000000005
[   10.597291][  T230] RBP: 00007ffda89c1e40 R08: 0000000000000000 R09: 0000000000000000
[   10.597528][  T230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[   10.597765][  T230] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda89c25b0
| [   10.600245][   T93] ------------[ cut here ]------------
| [   10.600417][   T93] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/93
| [   10.600670][   T93] Modules linked in:
| [   10.601153][   T93] Tainted: [W]=WARN
[   10.601296][   T93] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.601458][   T93] Workqueue: events_unbound linkwatch_event
[   10.601632][   T93] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.601802][   T93] 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
[   10.602298][   T93] RSP: 0018:ffa00000005d79e0 EFLAGS: 00010286
[   10.602453][   T93] RAX: 00000000ffffffa6 RBX: ff110000050e6e40 RCX: 1ff40000000baf02
[   10.602628][   T93] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050e6efc
[   10.602814][   T93] RBP: ff1100000f5b9000 R08: 1fe2200000a1cde1 R09: ff11000008f051a8
[   10.602991][   T93] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.603174][   T93] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.603360][   T93] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   10.603567][   T93] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.603716][   T93] CR2: 00007fbdc2ee5574 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   10.603895][   T93] PKRU: 55555554
[   10.603984][   T93] Call Trace:
[   10.604080][   T93]  <TASK>
[   10.604143][   T93]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.604268][   T93]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.604395][   T93]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.604486][   T93]  netif_state_change (net/core/dev.c:1605)
[   10.604607][   T93]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.604762][   T93]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.604880][   T93]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.605000][   T93]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.605124][   T93]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.605251][   T93]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.605371][   T93]  process_one_work (kernel/workqueue.c:3314)
[   10.605499][   T93]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.605617][   T93]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.605741][   T93]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.605864][   T93]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.605986][   T93]  kthread (kernel/kthread.c:436)
[   10.606082][   T93]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.606238][   T93]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.606358][   T93]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.606483][   T93]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.606635][   T93]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.606755][   T93]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.606875][   T93]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.630426][  T231] ------------[ cut here ]------------
| [   10.630570][  T231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/231
| [   10.630796][  T231] Modules linked in:
| [   10.631162][  T231] Tainted: [W]=WARN
[   10.631269][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.631437][  T231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.631606][  T231] 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
[   10.632069][  T231] RSP: 0018:ffa0000000a97020 EFLAGS: 00010286
[   10.632337][  T231] RAX: 00000000ffffffa6 RBX: ff110000050e7c40 RCX: 1ff4000000152dca
[   10.632530][  T231] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050e7cfc
[   10.632722][  T231] RBP: ff1100000a8ac000 R08: 1fe2200000a1cfa1 R09: ff1100000f732e58
[   10.632914][  T231] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.633113][  T231] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.633370][  T231] FS:  00007f3cd5aa9840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   10.633600][  T231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.633762][  T231] CR2: 00000000146cf988 CR3: 000000000a2f9001 CR4: 0000000000771ef0
[   10.633958][  T231] PKRU: 55555554
[   10.634059][  T231] Call Trace:
[   10.634156][  T231]  <TASK>
[   10.634228][  T231]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.634360][  T231]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.634458][  T231]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.634587][  T231]  __dev_notify_flags (net/core/dev.c:9787)
[   10.634719][  T231]  ? netif_change_name (net/core/dev.c:1495)
[   10.634849][  T231]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.634981][  T231]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.635112][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.635249][  T231]  ? 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))
[   10.635379][  T231]  netif_change_flags (net/core/dev.c:9820)
[   10.635508][  T231]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.635637][  T231]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.635771][  T231]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.635901][  T231]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.636065][  T231]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.636198][  T231]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.636328][  T231]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.636457][  T231]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.636587][  T231]  ? __kernel_text_address (kernel/extable.c:79)
[   10.636718][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.636849][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.636977][  T231]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.637110][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.637247][  T231]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.637375][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.637505][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.637634][  T231]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.637764][  T231]  ? __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)
[   10.637895][  T231]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.638024][  T231]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.638159][  T231]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.638295][  T231]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.638427][  T231]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.638558][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.638690][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.638820][  T231]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.638948][  T231]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.639081][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.639220][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.639347][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.639475][  T231]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.639604][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.639734][  T231]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.639863][  T231]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.639992][  T231]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.640124][  T231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.640260][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.640391][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.640520][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.640649][  T231]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.640778][  T231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.640909][  T231]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.641042][  T231]  ? 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))
[   10.641175][  T231]  ? 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))
[   10.641313][  T231]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.641443][  T231]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.641573][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.641706][  T231]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.641836][  T231]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.641967][  T231]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.642104][  T231]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.642240][  T231]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.642369][  T231]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.642528][  T231]  ? move_addr_to_kernel (net/socket.c:258)
[   10.642661][  T231]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.642789][  T231]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.642920][  T231]  ___sys_sendmsg (net/socket.c:2752)
[   10.643053][  T231]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.643219][  T231]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.643361][  T231]  __sys_sendmsg (net/socket.c:2784)
[   10.643491][  T231]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.643620][  T231]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.643783][  T231]  ? 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)
[   10.643913][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.644042][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.644178][  T231]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.644313][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.644441][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.644601][  T231] RIP: 0033:0x7f3cd5ce308e
[   10.644738][  T231] 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
[   10.645211][  T231] RSP: 002b:00007ffe70d00580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.645404][  T231] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3cd5ce308e
[   10.645598][  T231] RDX: 0000000000000000 RSI: 00007ffe70d00630 RDI: 0000000000000005
[   10.645791][  T231] RBP: 00007ffe70d00590 R08: 0000000000000000 R09: 0000000000000000
[   10.645983][  T231] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[   10.646185][  T231] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe70d00d00
| [   10.648265][   T62] ------------[ cut here ]------------
| [   10.648438][   T62] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/62
| [   10.648738][   T62] Modules linked in:
| [   10.649252][   T62] Tainted: [W]=WARN
[   10.649396][   T62] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.649600][   T62] Workqueue: events_unbound linkwatch_event
[   10.649808][   T62] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.650034][   T62] 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
[   10.650557][   T62] RSP: 0018:ffa00000004379e0 EFLAGS: 00010286
[   10.650751][   T62] RAX: 00000000ffffffa6 RBX: ff1100000bf64580 RCX: 1ff4000000086f02
[   10.650976][   T62] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf6463c
[   10.651222][   T62] RBP: ff1100000ff91000 R08: 1fe22000017ec8c9 R09: ff11000006092ea8
[   10.651445][   T62] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.651667][   T62] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.651892][   T62] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   10.652162][   T62] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.652372][   T62] CR2: 00007fab703401a0 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   10.652595][   T62] PKRU: 55555554
[   10.652729][   T62] Call Trace:
[   10.652863][   T62]  <TASK>
[   10.652970][   T62]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.653149][   T62]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.653329][   T62]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.653469][   T62]  netif_state_change (net/core/dev.c:1605)
[   10.653635][   T62]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.653831][   T62]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.653996][   T62]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.654171][   T62]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.654359][   T62]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.654524][   T62]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.654689][   T62]  process_one_work (kernel/workqueue.c:3314)
[   10.654858][   T62]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.655023][   T62]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.655213][   T62]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.655380][   T62]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.655546][   T62]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.655714][   T62]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.655880][   T62]  kthread (kernel/kthread.c:436)
[   10.656017][   T62]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.656229][   T62]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.656395][   T62]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.656562][   T62]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.656759][   T62]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.656925][   T62]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.657095][   T62]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.683320][  T232] ------------[ cut here ]------------
| [   10.683466][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/232
| [   10.683693][  T232] Modules linked in:
| [   10.684062][  T232] Tainted: [W]=WARN
[   10.684161][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.684333][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.684502][  T232] 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
[   10.684970][  T232] RSP: 0018:ffa0000000aa7150 EFLAGS: 00010286
[   10.685140][  T232] RAX: 00000000ffffffa6 RBX: ff1100000bf65540 RCX: 1ff4000000154df0
[   10.685977][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf655fc
[   10.686176][  T232] RBP: ff11000002819000 R08: 1fe22000017ecac1 R09: ff11000009d30b58
[   10.686377][  T232] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   10.686572][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b633840
[   10.686768][  T232] FS:  00007f12a5893840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   10.686994][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.687159][  T232] CR2: 00000000004eb4a8 CR3: 000000000dfdb003 CR4: 0000000000771ef0
[   10.687359][  T232] PKRU: 55555554
[   10.687456][  T232] Call Trace:
[   10.687553][  T232]  <TASK>
[   10.687619][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.687749][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.687878][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.687977][  T232]  netif_state_change (net/core/dev.c:1605)
[   10.688114][  T232]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.688284][  T232]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   10.688445][  T232]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   10.688574][  T232]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   10.688704][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.688831][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.688960][  T232]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   10.689092][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.689225][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.689356][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.689502][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.689630][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.689758][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.689886][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.690016][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.690153][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.690294][  T232]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   10.690423][  T232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.690551][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.690679][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.690809][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.690938][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.691069][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.691206][  T232]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.691335][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.691465][  T232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.691598][  T232]  ? 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))
[   10.691725][  T232]  ? 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))
[   10.691855][  T232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.691984][  T232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.692118][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.692256][  T232]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.692386][  T232]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.692517][  T232]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.692647][  T232]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.692776][  T232]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.692904][  T232]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.693065][  T232]  ? move_addr_to_kernel (net/socket.c:258)
[   10.693198][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.693328][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.693487][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.693614][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.693774][  T232]  ___sys_sendmsg (net/socket.c:2752)
[   10.693903][  T232]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.694031][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.694175][  T232]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   10.694309][  T232]  ? do_getsockname (net/socket.c:2192)
[   10.694440][  T232]  __sys_sendmsg (net/socket.c:2784)
[   10.694569][  T232]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.694702][  T232]  ? __sys_getsockname (net/socket.c:2210)
[   10.694830][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.694959][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.695093][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.695229][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.695358][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.695516][  T232] RIP: 0033:0x7f12a5acd08e
[   10.695651][  T232] 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
[   10.696112][  T232] RSP: 002b:00007ffee2e01020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.696313][  T232] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12a5acd08e
[   10.696505][  T232] RDX: 0000000000000000 RSI: 00007ffee2e010d0 RDI: 0000000000000006
[   10.696696][  T232] RBP: 00007ffee2e01030 R08: 0000000000000000 R09: 0000000000000000
[   10.696887][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28c
[   10.697085][  T232] R13: 00007ffee2e01180 R14: 0000000000000000 R15: 00007ffee2e01cf8
| [   10.726726][  T233] ------------[ cut here ]------------
| [   10.726869][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/233
| [   10.727098][  T233] Modules linked in:
| [   10.727515][  T233] Tainted: [W]=WARN
[   10.727614][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.727777][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.727945][  T233] 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
[   10.728417][  T233] RSP: 0018:ffa0000000ab7150 EFLAGS: 00010286
[   10.728582][  T233] RAX: 00000000ffffffa6 RBX: ff1100000cecb000 RCX: 1ff4000000156df0
[   10.728783][  T233] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cecb0bc
[   10.728975][  T233] RBP: ff1100000a8ac000 R08: 1fe22000019d9619 R09: ff11000009d32e58
[   10.729173][  T233] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.729372][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004fa9540
[   10.729567][  T233] FS:  00007fe9009c0840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   10.729792][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.729954][  T233] CR2: 00000000004eb4b0 CR3: 0000000005ecf003 CR4: 0000000000771ef0
[   10.730151][  T233] PKRU: 55555554
[   10.730333][  T233] Call Trace:
[   10.730431][  T233]  <TASK>
[   10.730497][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.730628][  T233]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.730758][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.730856][  T233]  netif_state_change (net/core/dev.c:1605)
[   10.730985][  T233]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.731150][  T233]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   10.731402][  T233]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   10.731531][  T233]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   10.731662][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.731789][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.731918][  T233]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   10.732046][  T233]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.732255][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.732384][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.732528][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.732656][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.732784][  T233]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.732912][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.733039][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.733175][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.733381][  T233]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   10.733508][  T233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.733638][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.733765][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.733892][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.734022][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.734153][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.734358][  T233]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.734486][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.734615][  T233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.734749][  T233]  ? 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))
[   10.734877][  T233]  ? 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))
[   10.735006][  T233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.735140][  T233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.735347][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.735477][  T233]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.735607][  T233]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.735737][  T233]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.735869][  T233]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.735998][  T233]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.736132][  T233]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.736314][  T233]  ? move_addr_to_kernel (net/socket.c:258)
[   10.736441][  T233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.736571][  T233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.736733][  T233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.736861][  T233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.737022][  T233]  ___sys_sendmsg (net/socket.c:2752)
[   10.737155][  T233]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.737288][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.737424][  T233]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   10.737553][  T233]  ? do_getsockname (net/socket.c:2192)
[   10.737683][  T233]  __sys_sendmsg (net/socket.c:2784)
[   10.737813][  T233]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.737944][  T233]  ? __sys_getsockname (net/socket.c:2210)
[   10.738077][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.738212][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.738339][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.738468][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.738596][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.738756][  T233] RIP: 0033:0x7fe900bfa08e
[   10.738892][  T233] 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
[   10.739360][  T233] RSP: 002b:00007ffdfac06bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.739553][  T233] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe900bfa08e
[   10.739771][  T233] RDX: 0000000000000000 RSI: 00007ffdfac06c60 RDI: 0000000000000006
[   10.739963][  T233] RBP: 00007ffdfac06bc0 R08: 0000000000000000 R09: 0000000000000000
[   10.740158][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e28d
[   10.740354][  T233] R13: 00007ffdfac06d10 R14: 0000000000000000 R15: 00007ffdfac07888
| [   11.139798][  T245] ------------[ cut here ]------------
| [   11.139936][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: tcpdump/245
| [   11.140216][  T245] Modules linked in:
| [   11.140588][  T245] Tainted: [W]=WARN
[   11.140688][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.140851][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.141020][  T245] 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
[   11.141491][  T245] RSP: 0018:ffa0000000aa7950 EFLAGS: 00010286
[   11.141655][  T245] RAX: 00000000ffffffa6 RBX: ff1100000983cc80 RCX: 1ff4000000154ef0
[   11.141848][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000983cd3c
[   11.142040][  T245] RBP: ff1100000f5b9000 R08: 1fe22000013079a9 R09: ff1100000f735158
[   11.142246][  T245] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   11.142443][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5b9000
[   11.142638][  T245] FS:  00007f9f2862ba40(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   11.142866][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.143029][  T245] CR2: 00007f9f28ed4320 CR3: 0000000009d0c003 CR4: 0000000000771ef0
[   11.143235][  T245] PKRU: 55555554
[   11.143333][  T245] Call Trace:
[   11.143432][  T245]  <TASK>
[   11.143499][  T245]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.143632][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.143763][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.143861][  T245]  __dev_notify_flags (net/core/dev.c:9787)
[   11.143992][  T245]  ? netdev_notice (net/core/dev.c:13008)
[   11.144129][  T245]  ? netif_change_name (net/core/dev.c:1495)
[   11.144273][  T245]  __dev_set_promiscuity (net/core/dev.c:9630)
[   11.144403][  T245]  netif_set_promiscuity (net/core/dev.c:9639)
[   11.144534][  T245]  dev_set_promiscuity (net/core/dev_api.c:288)
[   11.144664][  T245]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.144795][  T245]  packet_mc_add (net/packet/af_packet.c:3728)
[   11.144925][  T245]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.145059][  T245]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.145196][  T245]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   11.145328][  T245]  packet_setsockopt (net/packet/af_packet.c:3813)
[   11.145457][  T245]  ? packet_bind (net/packet/af_packet.c:3314)
[   11.145587][  T245]  ? do_sock_getsockopt (net/socket.c:2468)
[   11.145719][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5844 (discriminator 1))
[   11.145850][  T245]  ? sock_poll (net/socket.c:1502)
[   11.145981][  T245]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.146150][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.146287][  T245]  do_sock_setsockopt (net/socket.c:2381)
[   11.146417][  T245]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   11.146546][  T245]  ? __up_read (kernel/locking/rwsem.c:1395 (discriminator 1))
[   11.146677][  T245]  ? __sys_getsockopt (net/socket.c:2518 (discriminator 3))
[   11.146805][  T245]  __sys_setsockopt (net/socket.c:2406)
[   11.146936][  T245]  __x64_sys_setsockopt (net/socket.c:2412 net/socket.c:2409 net/socket.c:2409)
[   11.147069][  T245]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.147309][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.147447][  T245]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.147585][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.147724][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.147862][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.147999][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.148175][  T245] RIP: 0033:0x7f9f2886761e
[   11.148332][  T245] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 6a f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 6a f7 ff       	call   0xfffffffffff76aac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a1                   	.byte 0xa1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a1                   	.byte 0xa1
[   11.148814][  T245] RSP: 002b:00007ffc2f9ec928 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   11.149016][  T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9f2886761e
[   11.149225][  T245] RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000005
[   11.149419][  T245] RBP: 00007ffc2f9eca60 R08: 0000000000000010 R09: 000055e67c896530
[   11.149613][  T245] R10: 00007ffc2f9ec9a0 R11: 0000000000000246 R12: 0000000000000001
[   11.149807][  T245] R13: 000055e67c896918 R14: 000055e67c896690 R15: 0000000000000000
| [   12.178977][  T250] ------------[ cut here ]------------
| [   12.179114][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: tcpdump/250
| [   12.179393][  T250] Modules linked in:
| [   12.179771][  T250] Tainted: [W]=WARN
[   12.179870][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.180032][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.180219][  T250] 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
[   12.180682][  T250] RSP: 0018:ffa0000000b57950 EFLAGS: 00010286
[   12.180845][  T250] RAX: 00000000ffffffa6 RBX: ff1100000c9c43c0 RCX: 1ff400000016aef0
[   12.181041][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9c447c
[   12.181248][  T250] RBP: ff1100000ff91000 R08: 1fe2200001938891 R09: ff1100000ea4d158
[   12.181443][  T250] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   12.181635][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff91000
[   12.181830][  T250] FS:  00007f5804b88a40(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   12.182064][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.182234][  T250] CR2: 00007fff7ab7ef90 CR3: 000000000de33003 CR4: 0000000000771ef0
[   12.182430][  T250] PKRU: 55555554
[   12.182528][  T250] Call Trace:
[   12.182625][  T250]  <TASK>
[   12.182693][  T250]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.182829][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.182962][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.183066][  T250]  __dev_notify_flags (net/core/dev.c:9787)
[   12.183203][  T250]  ? netdev_notice (net/core/dev.c:13008)
[   12.183335][  T250]  ? netif_change_name (net/core/dev.c:1495)
[   12.183469][  T250]  __dev_set_promiscuity (net/core/dev.c:9630)
[   12.183600][  T250]  netif_set_promiscuity (net/core/dev.c:9639)
[   12.183731][  T250]  dev_set_promiscuity (net/core/dev_api.c:288)
[   12.183861][  T250]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.183993][  T250]  packet_mc_add (net/packet/af_packet.c:3728)
[   12.184130][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.184267][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.184396][  T250]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   12.184526][  T250]  packet_setsockopt (net/packet/af_packet.c:3813)
[   12.184658][  T250]  ? packet_bind (net/packet/af_packet.c:3314)
[   12.184793][  T250]  ? do_sock_getsockopt (net/socket.c:2468)
[   12.184924][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5844 (discriminator 1))
[   12.185059][  T250]  ? sock_poll (net/socket.c:1502)
[   12.185197][  T250]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.185360][  T250]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.185489][  T250]  do_sock_setsockopt (net/socket.c:2381)
[   12.185619][  T250]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   12.185754][  T250]  ? __sys_getsockopt (net/socket.c:2518 (discriminator 3))
[   12.185884][  T250]  __sys_setsockopt (net/socket.c:2406)
[   12.186017][  T250]  __x64_sys_setsockopt (net/socket.c:2412 net/socket.c:2409 net/socket.c:2409)
[   12.186152][  T250]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.186408][  T250]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.186537][  T250]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.186665][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.186795][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.187011][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.187143][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.187311][  T250] RIP: 0033:0x7f5804dc461e
[   12.187446][  T250] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 6a f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 6a f7 ff       	call   0xfffffffffff76aac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a1                   	.byte 0xa1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a1                   	.byte 0xa1
[   12.187999][  T250] RSP: 002b:00007fff7ab80178 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   12.188293][  T250] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5804dc461e
[   12.188486][  T250] RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000005
[   12.188692][  T250] RBP: 00007fff7ab802b0 R08: 0000000000000010 R09: 0000563a920fb530
[   12.188971][  T250] R10: 00007fff7ab801f0 R11: 0000000000000246 R12: 0000000000000001
[   12.189164][  T250] R13: 0000563a920fb918 R14: 0000563a920fb690 R15: 0000000000000000
| [   17.190490][  T245] ------------[ cut here ]------------
| [   17.190629][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: tcpdump/245
| [   17.190901][  T245] Modules linked in:
| [   17.191413][  T245] Tainted: [W]=WARN
[   17.191524][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.191699][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.191889][  T245] 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
[   17.192404][  T245] RSP: 0018:ffa0000000aa7a70 EFLAGS: 00010286
[   17.192582][  T245] RAX: 00000000ffffffa6 RBX: ff1100000e49b700 RCX: 1ff4000000154f14
[   17.192790][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e49b7bc
[   17.193000][  T245] RBP: ff1100000f5b9000 R08: 1fe2200001c936f9 R09: ff1100000f735180
[   17.193216][  T245] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   17.193425][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000216b520
[   17.193633][  T245] FS:  00007f9f2862ba40(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   17.193881][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.194056][  T245] CR2: 00007fe1e78ce2a0 CR3: 0000000009d0c001 CR4: 0000000000771ef0
[   17.194278][  T245] PKRU: 55555554
[   17.194381][  T245] Call Trace:
[   17.194486][  T245]  <TASK>
[   17.194557][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.194697][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.194837][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.194944][  T245]  __dev_notify_flags (net/core/dev.c:9787)
[   17.195085][  T245]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   17.195231][  T245]  ? netdev_notice (net/core/dev.c:13008)
[   17.195370][  T245]  ? netif_change_name (net/core/dev.c:1495)
[   17.195506][  T245]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   17.195681][  T245]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.195818][  T245]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   17.195956][  T245]  ? packet_release (./include/linux/netdevice.h:4502 ./include/linux/netdevice.h:4519 ./include/linux/netdevice.h:4515 net/packet/af_packet.c:3148)
[   17.196284][  T245]  ? __fput (fs/file_table.c:510)
[   17.196481][  T245]  __dev_set_promiscuity (net/core/dev.c:9630)
[   17.196624][  T245]  netif_set_promiscuity (net/core/dev.c:9639)
[   17.196762][  T245]  dev_set_promiscuity (net/core/dev_api.c:288)
[   17.197079][  T245]  packet_release (net/packet/af_packet.c:3780 net/packet/af_packet.c:3153)
[   17.197392][  T245]  ? packet_set_ring (net/packet/af_packet.c:652)
[   17.197529][  T245]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[   17.197699][  T245]  __sock_release (net/socket.c:722)
[   17.197835][  T245]  sock_close (net/socket.c:1514 (discriminator 1))
[   17.197936][  T245]  __fput (fs/file_table.c:510)
[   17.198043][  T245]  fput_close_sync (fs/file_table.c:615)
[   17.198237][  T245]  ? alloc_file_clone (fs/file_table.c:477)
[   17.198377][  T245]  ? 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)
[   17.198519][  T245]  __x64_sys_close (fs/open.c:1507 fs/open.c:1492 fs/open.c:1492)
[   17.198656][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.198794][  T245]  ? irq_exit_rcu (kernel/softirq.c:754)
[   17.198931][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.199109][  T245] RIP: 0033:0x7f9f287de08e
[   17.199313][  T245] 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
[   17.199801][  T245] RSP: 002b:00007ffc2f9eca90 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[   17.200009][  T245] RAX: ffffffffffffffda RBX: 000055e67c896690 RCX: 00007f9f287de08e
[   17.200275][  T245] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[   17.200481][  T245] RBP: 00007ffc2f9ecaa0 R08: 0000000000000000 R09: 0000000000000000
[   17.200683][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   17.200889][  T245] R13: 00000000fffffffe R14: 000055e6600c2760 R15: 0000000000000001
| [   18.273381][  T250] ------------[ cut here ]------------
| [   18.273522][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: tcpdump/250
| [   18.273792][  T250] Modules linked in:
| [   18.274186][  T250] Tainted: [W]=WARN
[   18.274288][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.274466][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.274646][  T250] 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
[   18.275132][  T250] RSP: 0018:ffa0000000b57a70 EFLAGS: 00010286
[   18.275311][  T250] RAX: 00000000ffffffa6 RBX: ff1100000f36c3c0 RCX: 1ff400000016af14
[   18.275512][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f36c47c
[   18.275714][  T250] RBP: ff1100000ff91000 R08: 1fe2200001e6d891 R09: ff1100000ea4d180
[   18.275915][  T250] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   18.276118][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011cdc920
[   18.276334][  T250] FS:  00007f5804b88a40(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   18.276574][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.276743][  T250] CR2: 00005611ff07f000 CR3: 000000000de33006 CR4: 0000000000771ef0
[   18.276946][  T250] PKRU: 55555554
[   18.277047][  T250] Call Trace:
[   18.277151][  T250]  <TASK>
[   18.277227][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.277365][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.277503][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.277606][  T250]  __dev_notify_flags (net/core/dev.c:9787)
[   18.277739][  T250]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   18.277875][  T250]  ? netdev_notice (net/core/dev.c:13008)
[   18.278011][  T250]  ? netif_change_name (net/core/dev.c:1495)
[   18.278150][  T250]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   18.278323][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   18.278456][  T250]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   18.278593][  T250]  ? packet_release (./include/linux/netdevice.h:4502 ./include/linux/netdevice.h:4519 ./include/linux/netdevice.h:4515 net/packet/af_packet.c:3148)
[   18.278726][  T250]  ? __fput (fs/file_table.c:510)
[   18.278833][  T250]  __dev_set_promiscuity (net/core/dev.c:9630)
[   18.278967][  T250]  netif_set_promiscuity (net/core/dev.c:9639)
[   18.279105][  T250]  dev_set_promiscuity (net/core/dev_api.c:288)
[   18.279247][  T250]  packet_release (net/packet/af_packet.c:3780 net/packet/af_packet.c:3153)
[   18.279381][  T250]  ? packet_set_ring (net/packet/af_packet.c:652)
[   18.279515][  T250]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[   18.279684][  T250]  __sock_release (net/socket.c:722)
[   18.279819][  T250]  sock_close (net/socket.c:1514 (discriminator 1))
[   18.279920][  T250]  __fput (fs/file_table.c:510)
[   18.280023][  T250]  fput_close_sync (fs/file_table.c:615)
[   18.280162][  T250]  ? alloc_file_clone (fs/file_table.c:477)
[   18.280301][  T250]  ? 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)
[   18.280438][  T250]  __x64_sys_close (fs/open.c:1507 fs/open.c:1492 fs/open.c:1492)
[   18.280571][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.280706][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.280841][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.280976][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.281147][  T250] RIP: 0033:0x7f5804d3b08e
[   18.281297][  T250] 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
[   18.281775][  T250] RSP: 002b:00007fff7ab802e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[   18.281978][  T250] RAX: ffffffffffffffda RBX: 0000563a920fb690 RCX: 00007f5804d3b08e
[   18.282191][  T250] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[   18.282391][  T250] RBP: 00007fff7ab802f0 R08: 0000000000000000 R09: 0000000000000000
[   18.282592][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   18.282794][  T250] R13: 00000000fffffffe R14: 0000563a5c89c760 R15: 0000000000000001
| [   25.559137][  T271] ------------[ cut here ]------------
| [   25.559327][  T271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/271
| [   25.559559][  T271] Modules linked in:
| [   25.559941][  T271] Tainted: [W]=WARN
[   25.560040][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.560213][  T271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.560384][  T271] 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
[   25.560849][  T271] RSP: 0018:ffa00000008c7020 EFLAGS: 00010286
[   25.561014][  T271] RAX: 00000000ffffffa6 RBX: ff11000019ccda80 RCX: 1ff4000000118dca
[   25.561226][  T271] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000019ccdb3c
[   25.561424][  T271] RBP: ff1100000f5b9000 R08: 1fe2200003399b69 R09: ff11000008f00b58
[   25.561617][  T271] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   25.561812][  T271] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.562007][  T271] FS:  00007f2f4f9af840(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   25.562495][  T271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.562665][  T271] CR2: 0000000011211988 CR3: 000000000f397001 CR4: 0000000000771ef0
[   25.562863][  T271] PKRU: 55555554
[   25.562961][  T271] Call Trace:
[   25.563058][  T271]  <TASK>
[   25.563135][  T271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.563277][  T271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.563379][  T271]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.563510][  T271]  __dev_notify_flags (net/core/dev.c:9787)
[   25.563642][  T271]  ? netif_change_name (net/core/dev.c:1495)
[   25.563771][  T271]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   25.563902][  T271]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.564032][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.564167][  T271]  ? 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))
[   25.564307][  T271]  netif_change_flags (net/core/dev.c:9820)
[   25.564439][  T271]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.564570][  T271]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.564703][  T271]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.564836][  T271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.564998][  T271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.565133][  T271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.565271][  T271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.565401][  T271]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.565534][  T271]  ? __kernel_text_address (kernel/extable.c:79)
[   25.565666][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.565798][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.565926][  T271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.566058][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.566194][  T271]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.566323][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.566452][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.566582][  T271]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.566713][  T271]  ? __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)
[   25.566843][  T271]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.566977][  T271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.567111][  T271]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.567250][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.567385][  T271]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.567516][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.567643][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.567772][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.567900][  T271]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.568032][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.568167][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.568302][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.568432][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.568561][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.568690][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.568819][  T271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.568950][  T271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.569078][  T271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.569217][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.569348][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.569476][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.569605][  T271]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.569735][  T271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.569864][  T271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.569997][  T271]  ? 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))
[   25.570135][  T271]  ? 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))
[   25.570274][  T271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.570408][  T271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.570540][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.570672][  T271]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.570802][  T271]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.570932][  T271]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.571064][  T271]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.571204][  T271]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.571332][  T271]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.571492][  T271]  ? move_addr_to_kernel (net/socket.c:258)
[   25.571625][  T271]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.571754][  T271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.571884][  T271]  ___sys_sendmsg (net/socket.c:2752)
[   25.572012][  T271]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.572175][  T271]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.572321][  T271]  __sys_sendmsg (net/socket.c:2784)
[   25.572452][  T271]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.572580][  T271]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.572742][  T271]  ? 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)
[   25.572871][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.573003][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.573136][  T271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.573273][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.573403][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.573563][  T271] RIP: 0033:0x7f2f4fbe908e
[   25.573700][  T271] 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
[   25.574171][  T271] RSP: 002b:00007fff231fba40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.574372][  T271] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2f4fbe908e
[   25.574565][  T271] RDX: 0000000000000000 RSI: 00007fff231fbaf0 RDI: 0000000000000005
[   25.574761][  T271] RBP: 00007fff231fba50 R08: 0000000000000000 R09: 0000000000000000
[   25.574957][  T271] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e29b
[   25.575158][  T271] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff231fc1c0
| [   25.579014][  T114] ------------[ cut here ]------------
| [   25.579157][  T114] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/114
| [   25.579415][  T114] Modules linked in:
| [   25.579783][  T114] Tainted: [W]=WARN
[   25.579873][  T114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.580023][  T114] Workqueue: events_unbound linkwatch_event
[   25.580191][  T114] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.580350][  T114] 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
[   25.580780][  T114] RSP: 0018:ffa00000006379e0 EFLAGS: 00010286
[   25.580930][  T114] RAX: 00000000ffffffa6 RBX: ff1100000aa95380 RCX: 1ff40000000c6f02
[   25.581108][  T114] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa9543c
[   25.581289][  T114] RBP: ff11000002819000 R08: 1fe2200001552a89 R09: ff1100000e860ba8
[   25.581473][  T114] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   25.581650][  T114] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.581829][  T114] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   25.582038][  T114] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.582196][  T114] CR2: 000055bcb7f3cd5c CR3: 000000000dfad006 CR4: 0000000000771ef0
[   25.582374][  T114] PKRU: 55555554
[   25.582466][  T114] Call Trace:
[   25.582554][  T114]  <TASK>
[   25.582617][  T114]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.582742][  T114]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.582862][  T114]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.582954][  T114]  netif_state_change (net/core/dev.c:1605)
[   25.583071][  T114]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   25.583207][  T114]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   25.583355][  T114]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   25.583478][  T114]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   25.583596][  T114]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   25.583714][  T114]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.583836][  T114]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   25.583953][  T114]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   25.584074][  T114]  process_one_work (kernel/workqueue.c:3314)
[   25.584232][  T114]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.584350][  T114]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.584475][  T114]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.584594][  T114]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.584717][  T114]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   25.584837][  T114]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.584956][  T114]  kthread (kernel/kthread.c:436)
[   25.585049][  T114]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.585208][  T114]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.585327][  T114]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.585448][  T114]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.585602][  T114]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.585720][  T114]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.585841][  T114]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.693272][  T274] ------------[ cut here ]------------
| [   25.693404][  T274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: tcpdump/274
| [   25.693659][  T274] Modules linked in:
| [   25.694021][  T274] Tainted: [W]=WARN
[   25.694127][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.694291][  T274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.694458][  T274] 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
[   25.694915][  T274] RSP: 0018:ffa0000000bf7950 EFLAGS: 00010286
[   25.695076][  T274] RAX: 00000000ffffffa6 RBX: ff1100000aa95000 RCX: 1ff400000017eef0
[   25.695282][  T274] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa950bc
[   25.695472][  T274] RBP: ff1100000ff91000 R08: 1fe2200001552a19 R09: ff1100000e582e58
[   25.695662][  T274] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   25.695852][  T274] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff91000
[   25.696046][  T274] FS:  00007f5ec759ca40(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   25.696283][  T274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.696445][  T274] CR2: 00007ffdf811def8 CR3: 000000000f395002 CR4: 0000000000771ef0
[   25.696640][  T274] PKRU: 55555554
[   25.696737][  T274] Call Trace:
[   25.696833][  T274]  <TASK>
[   25.696900][  T274]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.697033][  T274]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.697169][  T274]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.697274][  T274]  __dev_notify_flags (net/core/dev.c:9787)
[   25.697405][  T274]  ? netdev_notice (net/core/dev.c:13008)
[   25.697534][  T274]  ? netif_change_name (net/core/dev.c:1495)
[   25.697666][  T274]  __dev_set_promiscuity (net/core/dev.c:9630)
[   25.697794][  T274]  netif_set_promiscuity (net/core/dev.c:9639)
[   25.697922][  T274]  dev_set_promiscuity (net/core/dev_api.c:288)
[   25.698049][  T274]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   25.698187][  T274]  packet_mc_add (net/packet/af_packet.c:3728)
[   25.698317][  T274]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.698446][  T274]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.698572][  T274]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   25.698701][  T274]  packet_setsockopt (net/packet/af_packet.c:3813)
[   25.698829][  T274]  ? packet_bind (net/packet/af_packet.c:3314)
[   25.698957][  T274]  ? do_sock_getsockopt (net/socket.c:2468)
[   25.699087][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5844 (discriminator 1))
[   25.699227][  T274]  ? sock_poll (net/socket.c:1502)
[   25.699356][  T274]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.699515][  T274]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.699643][  T274]  do_sock_setsockopt (net/socket.c:2381)
[   25.699772][  T274]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   25.699900][  T274]  ? __sys_getsockopt (net/socket.c:2518 (discriminator 3))
[   25.700029][  T274]  __sys_setsockopt (net/socket.c:2406)
[   25.700164][  T274]  __x64_sys_setsockopt (net/socket.c:2412 net/socket.c:2409 net/socket.c:2409)
[   25.700297][  T274]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.700455][  T274]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.700584][  T274]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.700710][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.700836][  T274]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.700964][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.701091][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.701259][  T274] RIP: 0033:0x7f5ec77d861e
[   25.701398][  T274] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 6a f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 6a f7 ff       	call   0xfffffffffff76aac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a1                   	.byte 0xa1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a1                   	.byte 0xa1
[   25.701847][  T274] RSP: 002b:00007ffdf811ef08 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   25.702039][  T274] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5ec77d861e
[   25.702240][  T274] RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000005
[   25.702430][  T274] RBP: 00007ffdf811f040 R08: 0000000000000010 R09: 000055cd0805d530
[   25.702621][  T274] R10: 00007ffdf811ef80 R11: 0000000000000246 R12: 0000000000000001
[   25.702810][  T274] R13: 000055cd0805d918 R14: 000055cd0805d690 R15: 0000000000000000
| [   29.682736][  T274] ------------[ cut here ]------------
| [   29.682871][  T274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: tcpdump/274
| [   29.683137][  T274] Modules linked in:
| [   29.683781][  T274] Tainted: [W]=WARN
[   29.683882][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.684049][  T274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.684284][  T274] 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
[   29.684747][  T274] RSP: 0018:ffa0000000bf7a70 EFLAGS: 00010286
[   29.684910][  T274] RAX: 00000000ffffffa6 RBX: ff110000092a1c40 RCX: 1ff400000017ef14
[   29.685109][  T274] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092a1cfc
[   29.685364][  T274] RBP: ff1100000ff91000 R08: 1fe22000012543a1 R09: ff1100000e582e80
[   29.685561][  T274] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   29.685758][  T274] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fdcf420
[   29.685954][  T274] FS:  00007f5ec759ca40(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   29.686245][  T274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.686411][  T274] CR2: 00007ffc07802fd8 CR3: 000000000f395004 CR4: 0000000000771ef0
[   29.686610][  T274] PKRU: 55555554
[   29.686709][  T274] Call Trace:
[   29.686805][  T274]  <TASK>
[   29.686873][  T274]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.687005][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.687142][  T274]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.687257][  T274]  __dev_notify_flags (net/core/dev.c:9787)
[   29.687390][  T274]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   29.687524][  T274]  ? netdev_notice (net/core/dev.c:13008)
[   29.687654][  T274]  ? netif_change_name (net/core/dev.c:1495)
[   29.687786][  T274]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   29.687948][  T274]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.688079][  T274]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   29.688224][  T274]  ? packet_release (./include/linux/netdevice.h:4502 ./include/linux/netdevice.h:4519 ./include/linux/netdevice.h:4515 net/packet/af_packet.c:3148)
[   29.688357][  T274]  ? __fput (fs/file_table.c:510)
[   29.688460][  T274]  __dev_set_promiscuity (net/core/dev.c:9630)
[   29.688591][  T274]  netif_set_promiscuity (net/core/dev.c:9639)
[   29.688722][  T274]  dev_set_promiscuity (net/core/dev_api.c:288)
[   29.688851][  T274]  packet_release (net/packet/af_packet.c:3780 net/packet/af_packet.c:3153)
[   29.688982][  T274]  ? packet_set_ring (net/packet/af_packet.c:652)
[   29.689118][  T274]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[   29.689291][  T274]  __sock_release (net/socket.c:722)
[   29.689424][  T274]  sock_close (net/socket.c:1514 (discriminator 1))
[   29.689521][  T274]  __fput (fs/file_table.c:510)
[   29.689622][  T274]  fput_close_sync (fs/file_table.c:615)
[   29.689750][  T274]  ? alloc_file_clone (fs/file_table.c:477)
[   29.689879][  T274]  ? 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)
[   29.690012][  T274]  __x64_sys_close (fs/open.c:1507 fs/open.c:1492 fs/open.c:1492)
[   29.690146][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.690283][  T274]  ? irq_exit_rcu (kernel/softirq.c:754)
[   29.690414][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.690577][  T274] RIP: 0033:0x7f5ec774f08e
[   29.690714][  T274] 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
[   29.691190][  T274] RSP: 002b:00007ffdf811f070 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[   29.691388][  T274] RAX: ffffffffffffffda RBX: 000055cd0805d690 RCX: 00007f5ec774f08e
[   29.691579][  T274] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[   29.691773][  T274] RBP: 00007ffdf811f080 R08: 0000000000000000 R09: 0000000000000000
[   29.691966][  T274] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   29.692163][  T274] R13: 00000000fffffffe R14: 000055cce744e760 R15: 0000000000000001
| [   36.893691][   T12] ------------[ cut here ]------------
| [   36.893931][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   36.894274][   T12] Modules linked in:
| [   36.894866][   T12] Tainted: [W]=WARN
[   36.894997][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.895267][   T12] Workqueue: netns cleanup_net
[   36.895440][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.895639][   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
[   36.896097][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   36.896303][   T12] RAX: 00000000ffffffa6 RBX: ff11000017bdb8c0 RCX: 1ff4000000018eed
[   36.896518][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000017bdb97c
[   36.896730][   T12] RBP: ff1100000e9d4000 R08: 1fe2200002f7b731 R09: ff11000001aed1d0
[   36.896945][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.897169][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.897460][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   36.897709][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.897898][   T12] CR2: 000055bcb7f3cd5c CR3: 000000000dfad002 CR4: 0000000000771ef0
[   36.898115][   T12] PKRU: 55555554
[   36.898265][   T12] Call Trace:
[   36.898398][   T12]  <TASK>
[   36.898505][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   36.898699][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.898883][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   36.899045][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   36.899229][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.899389][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   36.899552][   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)
[   36.899714][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   36.899877][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   36.900034][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.900226][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   36.900387][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   36.900544][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   36.900709][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.900866][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.901028][   T12]  process_one_work (kernel/workqueue.c:3314)
[   36.901210][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.901367][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.901531][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.901693][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.901851][   T12]  kthread (kernel/kthread.c:436)
[   36.901981][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.902173][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.902398][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.902563][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.902754][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.902912][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.903073][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.905943][   T12] ------------[ cut here ]------------
| [   36.906104][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   36.906442][   T12] Modules linked in:
| [   36.906965][   T12] Tainted: [W]=WARN
[   36.907096][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.907297][   T12] Workqueue: netns cleanup_net
[   36.907535][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.907733][   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
[   36.908275][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   36.908462][   T12] RAX: 00000000ffffffa6 RBX: ff11000017bdb380 RCX: 1ff4000000018eed
[   36.908689][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000017bdb43c
[   36.908901][   T12] RBP: ff1100000e57c000 R08: 1fe2200002f7b689 R09: ff11000001aed1d0
[   36.909145][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.909370][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.909661][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   36.909907][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.910113][   T12] CR2: 000055bcb7f3cd5c CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   36.910346][   T12] PKRU: 55555554
[   36.910475][   T12] Call Trace:
[   36.910604][   T12]  <TASK>
[   36.910709][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   36.910899][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.911085][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   36.911264][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   36.911426][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.911586][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   36.911748][   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)
[   36.911908][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   36.912071][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   36.912251][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.912414][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   36.912574][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   36.912732][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   36.912892][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.913050][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.913232][   T12]  process_one_work (kernel/workqueue.c:3314)
[   36.913410][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.913567][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.913729][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.913892][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.914050][   T12]  kthread (kernel/kthread.c:436)
[   36.914202][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.914463][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.914624][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.914787][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.915046][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.915228][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.915412][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.919568][   T12] ------------[ cut here ]------------
| [   36.919732][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   36.920000][   T12] Modules linked in:
| [   36.920459][   T12] Tainted: [W]=WARN
[   36.920590][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.920787][   T12] Workqueue: netns cleanup_net
[   36.920949][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.921146][   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
[   36.921713][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   36.921992][   T12] RAX: 00000000ffffffa6 RBX: ff11000017bdbc40 RCX: 1ff4000000018eed
[   36.922325][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000017bdbcfc
[   36.922641][   T12] RBP: ff1100000f3a9000 R08: 1fe2200002f7b7a1 R09: ff11000001aed1d0
[   36.922937][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.923235][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.923530][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   36.923820][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.924062][   T12] CR2: 000055bcb7f3cd5c CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   36.924339][   T12] PKRU: 55555554
[   36.924510][   T12] Call Trace:
[   36.924680][   T12]  <TASK>
[   36.924825][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   36.925057][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.925311][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   36.925517][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   36.925722][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.925926][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   36.926136][   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)
[   36.926351][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   36.926555][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   36.926756][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.926961][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   36.927169][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   36.927383][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   36.927584][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.927785][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.927986][   T12]  process_one_work (kernel/workqueue.c:3314)
[   36.928210][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.928411][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.928617][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.928824][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.929026][   T12]  kthread (kernel/kthread.c:436)
[   36.929172][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.929388][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.929549][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.929709][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.929900][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.930063][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.930241][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.932617][   T12] ------------[ cut here ]------------
| [   36.932777][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   36.933047][   T12] Modules linked in:
| [   36.934343][   T12] Tainted: [W]=WARN
[   36.934472][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.934661][   T12] Workqueue: netns cleanup_net
[   36.934827][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.935047][   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
[   36.935522][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   36.935714][   T12] RAX: 00000000ffffffa6 RBX: ff11000017bd4580 RCX: 1ff4000000018eed
[   36.935928][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000017bd463c
[   36.936161][   T12] RBP: ff11000009849000 R08: 1fe2200002f7a8c9 R09: ff11000001aed1d0
[   36.936385][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.936600][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.936818][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   36.937063][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.937272][   T12] CR2: 000055bcb7f3cd5c CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   36.937561][   T12] PKRU: 55555554
[   36.937693][   T12] Call Trace:
[   36.937823][   T12]  <TASK>
[   36.937927][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   36.938138][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.938372][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   36.938536][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   36.938698][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.938856][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   36.939018][   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)
[   36.939202][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   36.939371][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   36.939534][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.939704][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   36.939898][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   36.940138][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   36.940315][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.940482][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.940645][   T12]  process_one_work (kernel/workqueue.c:3314)
[   36.940809][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.940967][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.941136][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.941309][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.941535][   T12]  kthread (kernel/kthread.c:436)
[   36.941665][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.941856][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.942030][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.942214][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.942398][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.942557][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.942720][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.945655][   T12] ------------[ cut here ]------------
| [   36.945809][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   36.946077][   T12] Modules linked in:
| [   36.946979][   T12] Tainted: [W]=WARN
[   36.947159][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.947408][   T12] Workqueue: netns cleanup_net
[   36.947619][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.947857][   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
[   36.948360][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   36.948592][   T12] RAX: 00000000ffffffa6 RBX: ff11000017bd4200 RCX: 1ff4000000018eed
[   36.948859][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000017bd42bc
[   36.949113][   T12] RBP: ff1100000a3c9000 R08: 1fe2200002f7a859 R09: ff11000001aed1d0
[   36.949382][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.949636][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.949895][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   36.950196][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.950428][   T12] CR2: 000055bcb7f3cd5c CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   36.950686][   T12] PKRU: 55555554
[   36.950857][   T12] Call Trace:
[   36.951029][   T12]  <TASK>
[   36.951237][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   36.951476][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.951704][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   36.951905][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   36.952106][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.952327][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   36.952596][   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)
[   36.952801][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   36.953004][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   36.953226][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.953434][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   36.953686][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   36.954152][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   36.954492][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.954729][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.954887][   T12]  process_one_work (kernel/workqueue.c:3314)
[   36.955051][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.955228][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.955393][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.955556][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.955712][   T12]  kthread (kernel/kthread.c:436)
[   36.955843][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.956034][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.956214][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.956381][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.956649][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.956814][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.956976][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.982002][   T12] ------------[ cut here ]------------
| [   36.982270][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   36.982527][   T12] Modules linked in:
| [   36.982932][   T12] Tainted: [W]=WARN
[   36.983025][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.983189][   T12] Workqueue: netns cleanup_net
[   36.983322][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.983482][   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
[   36.983918][   T12] RSP: 0018:ffa00000000c76f8 EFLAGS: 00010286
[   36.984074][   T12] RAX: 00000000ffffffa6 RBX: ff11000017bd5e00 RCX: 1ff4000000018ea5
[   36.984317][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000017bd5ebc
[   36.984497][   T12] RBP: ff1100000f529000 R08: 1fe2200002f7abd9 R09: ff11000001aed1f8
[   36.984679][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   36.984862][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   36.985047][   T12] FS:  0000000000000000(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   36.985318][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.985475][   T12] CR2: 00007f8946696000 CR3: 0000000052d4d001 CR4: 0000000000771ef0
[   36.985659][   T12] PKRU: 55555554
[   36.985751][   T12] Call Trace:
[   36.985844][   T12]  <TASK>
[   36.985909][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.986083][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.986228][   T12]  netif_close_many (net/core/dev.c:1804)
[   36.986359][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.986480][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   36.986603][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   36.986725][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.986851][   T12]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   36.986976][   T12]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   36.987129][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   36.987336][   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)
[   36.987460][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.987611][   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)
[   36.987733][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.987857][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   36.988008][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   36.988137][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   36.988311][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   36.988435][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   36.988558][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   36.988684][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   36.988811][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   36.988932][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.989058][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   36.989234][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   36.989357][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   36.989480][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.989601][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.989725][   T12]  process_one_work (kernel/workqueue.c:3314)
[   36.989851][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.989973][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.990099][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.990282][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.990402][   T12]  kthread (kernel/kthread.c:436)
[   36.990494][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.990646][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.990770][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.990894][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.991046][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.991172][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.991344][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.996150][   T12] ------------[ cut here ]------------
| [   36.996601][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   36.996878][   T12] Modules linked in:
| [   36.997360][   T12] Tainted: [W]=WARN
[   36.997495][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.997687][   T12] Workqueue: netns cleanup_net
[   36.997853][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.998060][   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
[   36.998545][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   36.998744][   T12] RAX: 00000000ffffffa6 RBX: ff11000017bd43c0 RCX: 1ff4000000018eaf
[   36.998963][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000017bd447c
[   36.999205][   T12] RBP: ff1100000a8ac000 R08: 1fe2200002f7a891 R09: ff11000001aed1d0
[   36.999425][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   36.999647][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff91000
[   36.999871][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.000134][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.000346][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000004b1a004 CR4: 0000000000771ef0
[   37.000569][   T12] PKRU: 55555554
[   37.000703][   T12] Call Trace:
[   37.000837][   T12]  <TASK>
[   37.000942][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.001112][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.001267][   T12]  netif_close_many (net/core/dev.c:1804)
[   37.001435][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   37.001599][   T12]  ? netif_close_many_and_unlock (./include/linux/netdevice.h:2835 net/core/dev.c:12334)
[   37.001792][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   37.001987][   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)
[   37.002159][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.002367][   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)
[   37.002530][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.002694][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.002917][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   37.003091][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.003281][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.003447][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.003616][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.003783][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.003949][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.004112][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.004300][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.004465][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.004628][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.004794][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.004961][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.005137][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.005316][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.005480][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.005647][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.005816][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.005981][   T12]  kthread (kernel/kthread.c:436)
[   37.006116][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.006335][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.006499][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.006666][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.006859][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.007024][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.007207][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.010362][   T12] ------------[ cut here ]------------
| [   37.010525][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   37.010804][   T12] Modules linked in:
| [   37.011273][   T12] Tainted: [W]=WARN
[   37.011407][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.011597][   T12] Workqueue: netns cleanup_net
[   37.011767][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.011969][   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
[   37.012744][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   37.012936][   T12] RAX: 00000000ffffffa6 RBX: ff11000017bd8580 RCX: 1ff4000000018eaf
[   37.013165][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000017bd863c
[   37.013403][   T12] RBP: ff1100000ff91000 R08: 1fe2200002f7b0c9 R09: ff11000001aed1d0
[   37.013624][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   37.013842][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002819000
[   37.014065][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.014340][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.014533][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   37.014756][   T12] PKRU: 55555554
[   37.014889][   T12] Call Trace:
[   37.015022][   T12]  <TASK>
[   37.015136][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.015318][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.015484][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.015622][   T12]  netif_close_many (net/core/dev.c:1804)
[   37.015786][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   37.015949][   T12]  ? netif_close_many_and_unlock (./include/linux/netdevice.h:2835 net/core/dev.c:12334)
[   37.016240][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   37.016440][   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)
[   37.016608][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.016803][   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)
[   37.016968][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.017151][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.017358][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   37.017525][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.017691][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.017858][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.018023][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.018209][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.018377][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.018539][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.018706][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.018869][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.019031][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.019214][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.019378][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.019544][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.019711][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.019875][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.020043][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.020261][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.020430][   T12]  kthread (kernel/kthread.c:436)
[   37.020565][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.020759][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.020924][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.021116][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.021327][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.021492][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.021657][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.024496][   T12] ------------[ cut here ]------------
| [   37.024662][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   37.024944][   T12] Modules linked in:
| [   37.025417][   T12] Tainted: [W]=WARN
[   37.025550][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.025745][   T12] Workqueue: netns cleanup_net
[   37.025915][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.026116][   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
[   37.026599][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   37.026794][   T12] RAX: 00000000ffffffa6 RBX: ff11000017bd7e00 RCX: 1ff4000000018eaf
[   37.027014][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000017bd7ebc
[   37.027257][   T12] RBP: ff11000002819000 R08: 1fe2200002f7afd9 R09: ff11000001aed1d0
[   37.027477][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   37.027700][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c81000
[   37.027923][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.028193][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.028384][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   37.028638][   T12] PKRU: 55555554
[   37.028771][   T12] Call Trace:
[   37.028904][   T12]  <TASK>
[   37.029009][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.029195][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.029362][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.029503][   T12]  netif_close_many (net/core/dev.c:1804)
[   37.029672][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   37.029837][   T12]  ? netif_close_many_and_unlock (./include/linux/netdevice.h:2835 net/core/dev.c:12334)
[   37.030036][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   37.030257][   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)
[   37.030423][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.030619][   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)
[   37.030784][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.030948][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.031151][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   37.031331][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.031496][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.031664][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.031829][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.031999][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.032175][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.032356][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.032524][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.032691][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.032854][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.033021][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.033204][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.033370][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.033570][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.033737][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.033932][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.034103][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.034287][   T12]  kthread (kernel/kthread.c:436)
[   37.034422][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.034618][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.034790][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.034960][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.035162][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.035342][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.035511][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.038069][   T12] ------------[ cut here ]------------
| [   37.038781][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   37.039208][   T12] Modules linked in:
| [   37.039764][   T12] Tainted: [W]=WARN
[   37.039943][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.040212][   T12] Workqueue: netns cleanup_net
[   37.040432][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.040682][   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
[   37.041213][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   37.041455][   T12] RAX: 00000000ffffffa6 RBX: ff11000004db2ac0 RCX: 1ff4000000018eaf
[   37.041724][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004db2b7c
[   37.041997][   T12] RBP: ff11000008c81000 R08: 1fe22000009b6571 R09: ff11000001aed1d0
[   37.042281][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   37.042549][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   37.042846][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.043196][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.043440][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   37.043710][   T12] PKRU: 55555554
[   37.043889][   T12] Call Trace:
[   37.044068][   T12]  <TASK>
[   37.044237][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.044455][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.044674][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.044857][   T12]  netif_close_many (net/core/dev.c:1804)
[   37.045123][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   37.045324][   T12]  ? netif_close_many_and_unlock (./include/linux/netdevice.h:2835 net/core/dev.c:12334)
[   37.045518][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   37.045718][   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)
[   37.045881][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.046076][   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)
[   37.046260][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.046427][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.046618][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   37.046785][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.046954][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.047119][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.047392][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.047639][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.047808][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.047968][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.048140][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.048331][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.048496][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.048667][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.048837][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.049003][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.049192][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.049361][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.049610][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.049785][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.049953][   T12]  kthread (kernel/kthread.c:436)
[   37.050089][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.050382][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.050552][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.050725][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.050996][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.051261][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.051429][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.054886][   T12] ------------[ cut here ]------------
| [   37.055044][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   37.055897][   T12] Modules linked in:
| [   37.056440][   T12] Tainted: [W]=WARN
[   37.056614][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.056846][   T12] Workqueue: netns cleanup_net
[   37.057056][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.057320][   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
[   37.057817][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   37.058047][   T12] RAX: 00000000ffffffa6 RBX: ff11000004db3a80 RCX: 1ff4000000018ed5
[   37.058326][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004db3b3c
[   37.058583][   T12] RBP: ff1100000f529000 R08: 1fe22000009b6769 R09: ff11000001aed1d0
[   37.058844][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.059100][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.059376][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.059663][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.059896][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   37.060162][   T12] PKRU: 55555554
[   37.060345][   T12] Call Trace:
[   37.060517][   T12]  <TASK>
[   37.060663][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.060900][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.061136][   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)
[   37.061354][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.061562][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.061797][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.062001][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.062354][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.062608][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.062874][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.063161][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.063401][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.063635][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.063868][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.064071][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.064302][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.064505][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.064711][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.064919][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.065125][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.065351][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.065561][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.065764][   T12]  kthread (kernel/kthread.c:436)
[   37.065939][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.066231][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.066438][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.066649][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.066882][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.067086][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.067316][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.071606][   T12] ------------[ cut here ]------------
| [   37.071745][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   37.071982][   T12] Modules linked in:
| [   37.072394][   T12] Tainted: [W]=WARN
[   37.072496][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.072645][   T12] Workqueue: netns cleanup_net
[   37.072767][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.072915][   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
[   37.073410][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   37.073559][   T12] RAX: 00000000ffffffa6 RBX: ff11000004d7a580 RCX: 1ff4000000018ed5
[   37.073737][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d7a63c
[   37.073913][   T12] RBP: ff1100000a8ac000 R08: 1fe22000009af4c9 R09: ff11000001aed1d0
[   37.074090][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   37.074321][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.074499][   T12] FS:  0000000000000000(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   37.074707][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.074855][   T12] CR2: 00007fb4f2067888 CR3: 0000000052d4d002 CR4: 0000000000771ef0
[   37.075029][   T12] PKRU: 55555554
[   37.075115][   T12] Call Trace:
[   37.075251][   T12]  <TASK>
[   37.075311][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.075503][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.075648][   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)
[   37.075762][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.075877][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.076022][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.076141][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.076301][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.076415][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.076540][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.076655][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.076770][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.076886][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.077000][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.077113][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.077276][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.077389][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.077506][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.077623][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.077739][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.077856][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.077974][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.078090][   T12]  kthread (kernel/kthread.c:436)
[   37.078228][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.078374][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.078486][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.078601][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.078745][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.078859][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.078973][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.088499][   T12] ------------[ cut here ]------------
| [   37.088702][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   37.088947][   T12] Modules linked in:
| [   37.089326][   T12] Tainted: [W]=WARN
[   37.089412][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.089554][   T12] Workqueue: netns cleanup_net
[   37.089673][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.089821][   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
[   37.090342][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   37.090581][   T12] RAX: 00000000ffffffa6 RBX: ff11000004d7b000 RCX: 1ff4000000018ed5
[   37.090752][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d7b0bc
[   37.090922][   T12] RBP: ff1100000ff91000 R08: 1fe22000009af619 R09: ff11000001aed1d0
[   37.091093][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   37.091377][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.091549][   T12] FS:  0000000000000000(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   37.091748][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.091891][   T12] CR2: 00007fb4f2067888 CR3: 0000000052d4d002 CR4: 0000000000771ef0
[   37.092065][   T12] PKRU: 55555554
[   37.092157][   T12] Call Trace:
[   37.092332][   T12]  <TASK>
[   37.092393][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.092540][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.092683][   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)
[   37.092801][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.092914][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.093060][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.093273][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.093389][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.093504][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.093620][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.093737][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.093852][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.093969][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.094084][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.094293][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.094410][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.094523][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.094638][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.094758][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.094872][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.094990][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.095114][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.095329][   T12]  kthread (kernel/kthread.c:436)
[   37.095415][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.095560][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.095676][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.095791][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.095933][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.096051][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.096170][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.098865][   T12] ------------[ cut here ]------------
| [   37.099030][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   37.099325][   T12] Modules linked in:
| [   37.099771][   T12] Tainted: [W]=WARN
[   37.099903][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.100094][   T12] Workqueue: netns cleanup_net
[   37.100279][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.100476][   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
[   37.100933][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   37.101124][   T12] RAX: 00000000ffffffa6 RBX: ff11000004d7ba80 RCX: 1ff4000000018ed5
[   37.101376][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d7bb3c
[   37.101603][   T12] RBP: ff11000002819000 R08: 1fe22000009af769 R09: ff11000001aed1d0
[   37.101823][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.102041][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.102306][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.102569][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.102767][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   37.102987][   T12] PKRU: 55555554
[   37.103119][   T12] Call Trace:
[   37.103274][   T12]  <TASK>
[   37.103380][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.103577][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.103769][   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)
[   37.103936][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.104099][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.104315][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.104480][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.104644][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.104807][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.104971][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.105146][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.105317][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.105482][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.105648][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.105811][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.105977][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.106147][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.106323][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.106506][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.106670][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.106839][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.107009][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.107195][   T12]  kthread (kernel/kthread.c:436)
[   37.107331][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.107523][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.107692][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.107859][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.108051][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.108237][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.108402][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.111187][   T12] ------------[ cut here ]------------
| [   37.111353][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   37.111629][   T12] Modules linked in:
| [   37.112079][   T12] Tainted: [W]=WARN
[   37.112231][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.112423][   T12] Workqueue: netns cleanup_net
[   37.112603][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.112806][   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
[   37.113289][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   37.113482][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f19e580 RCX: 1ff4000000018ed5
[   37.113706][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f19e63c
[   37.113925][   T12] RBP: ff1100000f5b9000 R08: 1fe2200001e33cc9 R09: ff11000001aed1d0
[   37.114154][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.114391][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.114615][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.114865][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.115059][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   37.115299][   T12] PKRU: 55555554
[   37.115431][   T12] Call Trace:
[   37.115565][   T12]  <TASK>
[   37.115688][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.115889][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.116081][   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)
[   37.116267][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.116433][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.116631][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.116798][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.116966][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.117139][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.117317][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.117485][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.117649][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.117818][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.117985][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.118155][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.118340][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.118505][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.118670][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.118839][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.119004][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.119192][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.119363][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.119531][   T12]  kthread (kernel/kthread.c:436)
[   37.119669][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.119861][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.120025][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.120209][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.120401][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.120565][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.120734][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.123664][   T12] ------------[ cut here ]------------
| [   37.123825][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   37.124104][   T12] Modules linked in:
| [   37.124625][   T12] Tainted: [W]=WARN
[   37.124758][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.124949][   T12] Workqueue: netns cleanup_net
[   37.125121][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.125339][   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
[   37.125798][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   37.125991][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f19f1c0 RCX: 1ff4000000018ed5
[   37.126230][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f19f27c
[   37.126449][   T12] RBP: ff11000008c81000 R08: 1fe2200001e33e51 R09: ff11000001aed1d0
[   37.126669][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.126889][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.127115][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.127386][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.127579][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   37.127802][   T12] PKRU: 55555554
[   37.127936][   T12] Call Trace:
[   37.128084][   T12]  <TASK>
[   37.128213][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.128424][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.128645][   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)
[   37.128811][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.128981][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.129199][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.129368][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.129535][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.129699][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.129866][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.130034][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.130217][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.130382][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.130547][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.130711][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.130874][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.131037][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.131221][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.131389][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.131552][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.131720][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.131890][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.132054][   T12]  kthread (kernel/kthread.c:436)
[   37.132208][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.132399][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.132562][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.132726][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.132918][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.133085][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.133273][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.179640][   T12] ------------[ cut here ]------------
| [   37.179823][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   37.180101][   T12] Modules linked in:
| [   37.180565][   T12] Tainted: [W]=WARN
[   37.180695][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.180880][   T12] Workqueue: netns cleanup_net
[   37.181046][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.181343][   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
[   37.181790][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   37.181979][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c2ac040 RCX: 1ff4000000018eed
[   37.182212][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2ac0fc
[   37.182429][   T12] RBP: ff1100000e54c000 R08: 1fe2200001855821 R09: ff11000001aed1d0
[   37.182641][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.182854][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.183068][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.183329][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.183517][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   37.183758][   T12] PKRU: 55555554
[   37.183886][   T12] Call Trace:
[   37.184018][   T12]  <TASK>
[   37.184121][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.184335][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.184525][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.184689][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.184851][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.185010][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.185192][   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)
[   37.185354][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.185517][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.185673][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.185841][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.186002][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.186166][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.186338][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.186496][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.186659][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.186821][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.186981][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.187149][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.187351][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.187509][   T12]  kthread (kernel/kthread.c:436)
[   37.187640][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.187826][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.187987][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.188160][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.188360][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.188518][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.188678][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.191421][   T12] ------------[ cut here ]------------
| [   37.191581][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   37.191846][   T12] Modules linked in:
| [   37.192307][   T12] Tainted: [W]=WARN
[   37.192437][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.192620][   T12] Workqueue: netns cleanup_net
[   37.192785][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.192975][   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
[   37.193440][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   37.193628][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c2ac740 RCX: 1ff4000000018eed
[   37.193841][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2ac7fc
[   37.194057][   T12] RBP: ff110000050a4000 R08: 1fe2200001855901 R09: ff11000001aed1d0
[   37.194296][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.194509][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.194722][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.194967][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.195159][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   37.195388][   T12] PKRU: 55555554
[   37.195516][   T12] Call Trace:
[   37.195644][   T12]  <TASK>
[   37.195748][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.195939][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.196137][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.196309][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.196471][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.196628][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.196786][   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)
[   37.196946][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.197109][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.197284][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.197450][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.197609][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.197766][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.197926][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.198084][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.198264][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.198430][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.198592][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.198753][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.198916][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.199073][   T12]  kthread (kernel/kthread.c:436)
[   37.199224][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.199410][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.199568][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.199732][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.199915][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.200075][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.200256][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.203160][   T12] ------------[ cut here ]------------
| [   37.203327][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   37.203590][   T12] Modules linked in:
| [   37.204029][   T12] Tainted: [W]=WARN
[   37.204165][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.204365][   T12] Workqueue: netns cleanup_net
[   37.204531][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.204723][   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
[   37.205193][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   37.205379][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c2ace40 RCX: 1ff4000000018eed
[   37.205591][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2acefc
[   37.205803][   T12] RBP: ff1100000f759000 R08: 1fe22000018559e1 R09: ff11000001aed1d0
[   37.206018][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.206253][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.206469][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.206712][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.206899][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   37.207119][   T12] PKRU: 55555554
[   37.207268][   T12] Call Trace:
[   37.207397][   T12]  <TASK>
[   37.207501][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.207694][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.207883][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.208045][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.208230][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.208389][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.208550][   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)
[   37.208716][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.208878][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.209036][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.209216][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.209375][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.209538][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.209699][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.209857][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.210018][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.210216][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.210375][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.210539][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.210708][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.210868][   T12]  kthread (kernel/kthread.c:436)
[   37.211001][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.211210][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.211371][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.211535][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.211723][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.211891][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.212053][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.214568][   T12] ------------[ cut here ]------------
| [   37.214725][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   37.215000][   T12] Modules linked in:
| [   37.215976][   T12] Tainted: [W]=WARN
[   37.216109][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.216319][   T12] Workqueue: netns cleanup_net
[   37.216488][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.216683][   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
[   37.217140][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   37.217349][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c2ad1c0 RCX: 1ff4000000018eed
[   37.217565][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2ad27c
[   37.217780][   T12] RBP: ff1100000f741000 R08: 1fe2200001855a51 R09: ff11000001aed1d0
[   37.217994][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.218228][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.218449][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.218696][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.218888][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   37.219105][   T12] PKRU: 55555554
[   37.219256][   T12] Call Trace:
[   37.219391][   T12]  <TASK>
[   37.219498][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.219693][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.219880][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.220043][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.220226][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.220389][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.220552][   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)
[   37.220720][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.220883][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.221043][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.221229][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.221392][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.221553][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.221718][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.221884][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.222049][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.222234][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.222396][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.222562][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.222733][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.222893][   T12]  kthread (kernel/kthread.c:436)
[   37.223027][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.223244][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.223406][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.223570][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.223760][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.223926][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.224089][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.226597][   T12] ------------[ cut here ]------------
| [   37.226755][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   37.227027][   T12] Modules linked in:
| [   37.228045][   T12] Tainted: [W]=WARN
[   37.228246][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.228487][   T12] Workqueue: netns cleanup_net
[   37.228704][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.228949][   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
[   37.229488][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   37.229724][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c2ad540 RCX: 1ff4000000018eed
[   37.229989][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2ad5fc
[   37.230277][   T12] RBP: ff11000009b29000 R08: 1fe2200001855ac1 R09: ff11000001aed1d0
[   37.230541][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.230805][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.231072][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.231395][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.231634][   T12] CR2: 00007fe1b52c1db0 CR3: 0000000052d4d005 CR4: 0000000000771ef0
[   37.231896][   T12] PKRU: 55555554
[   37.232074][   T12] Call Trace:
[   37.232273][   T12]  <TASK>
[   37.232427][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.232705][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.232990][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.233284][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.233545][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.233796][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.234052][   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)
[   37.234333][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.234591][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.234846][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.235108][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.235335][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.235542][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.235751][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.235958][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.236235][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.236449][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.236663][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.236875][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.237086][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.237317][   T12]  kthread (kernel/kthread.c:436)
[   37.237499][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.237737][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.237942][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.238163][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.238409][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.238618][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.238826][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.257927][   T12] ------------[ cut here ]------------
| [   37.258082][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   37.258348][   T12] Modules linked in:
| [   37.258747][   T12] Tainted: [W]=WARN
[   37.258844][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.259002][   T12] Workqueue: netns cleanup_net
[   37.259140][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.259314][   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
[   37.259762][   T12] RSP: 0018:ffa00000000c76f8 EFLAGS: 00010286
[   37.259925][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c2ada80 RCX: 1ff4000000018ea5
[   37.260114][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2adb3c
[   37.260309][   T12] RBP: ff1100000f5bc000 R08: 1fe2200001855b69 R09: ff11000001aed1f8
[   37.260496][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   37.260680][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   37.260871][   T12] FS:  0000000000000000(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   37.261097][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.261276][   T12] CR2: 00007fe4652bac20 CR3: 000000001794a003 CR4: 0000000000771ef0
[   37.261467][   T12] PKRU: 55555554
[   37.261563][   T12] Call Trace:
[   37.261661][   T12]  <TASK>
[   37.261729][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.261861][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.261957][   T12]  netif_close_many (net/core/dev.c:1804)
[   37.262081][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.262218][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   37.262343][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   37.262466][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.262594][   T12]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   37.262719][   T12]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   37.262873][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   37.263029][   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)
[   37.263158][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.263286][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   37.263410][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.263563][   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)
[   37.263686][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.263809][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.263965][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   37.264092][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.264227][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.264354][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.264479][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.264601][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.264730][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.264858][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.264982][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.265111][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.265302][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.265428][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.265557][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.265681][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.265808][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.265938][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.266062][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.266248][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.266378][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.266503][   T12]  kthread (kernel/kthread.c:436)
[   37.266598][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.266753][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.266879][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.267008][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.267171][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.267359][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.267487][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.269999][   T12] ------------[ cut here ]------------
| [   37.270132][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   37.270392][   T12] Modules linked in:
| [   37.270763][   T12] Tainted: [W]=WARN
[   37.270854][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.271011][   T12] Workqueue: netns cleanup_net
[   37.271141][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.271302][   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
[   37.271732][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   37.271883][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d2df000 RCX: 1ff4000000018eaf
[   37.272061][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2df0bc
[   37.272257][   T12] RBP: ff1100000f3bc000 R08: 1fe2200001a5be19 R09: ff11000001aed1d0
[   37.272438][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   37.272619][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   37.272800][   T12] FS:  0000000000000000(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   37.273010][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.273168][   T12] CR2: 00007fe4652bac20 CR3: 000000001794a003 CR4: 0000000000771ef0
[   37.273355][   T12] PKRU: 55555554
[   37.273447][   T12] Call Trace:
[   37.273537][   T12]  <TASK>
[   37.273600][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.273720][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.273813][   T12]  netif_close_many (net/core/dev.c:1804)
[   37.273936][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   37.274058][   T12]  ? netif_close_many_and_unlock (./include/linux/netdevice.h:2835 net/core/dev.c:12334)
[   37.274293][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   37.274446][   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)
[   37.274566][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.274685][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   37.274804][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.274954][   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)
[   37.275075][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.275268][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.275419][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   37.275608][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.275730][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.275851][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.275971][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.276093][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.276267][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.276389][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.276507][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.276629][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.276750][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.276873][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.276998][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.277119][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.277326][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.277449][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.277568][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.277691][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.277814][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.277935][   T12]  kthread (kernel/kthread.c:436)
[   37.278026][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.278231][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.278352][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.278473][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.278622][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.278742][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.278863][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.281371][   T12] ------------[ cut here ]------------
| [   37.281496][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   37.281728][   T12] Modules linked in:
| [   37.282084][   T12] Tainted: [W]=WARN
[   37.282177][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.282331][   T12] Workqueue: netns cleanup_net
[   37.282453][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.282605][   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
[   37.283017][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   37.283170][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d2dc040 RCX: 1ff4000000018ed5
[   37.283772][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2dc0fc
[   37.283950][   T12] RBP: ff1100000f5bc000 R08: 1fe2200001a5b821 R09: ff11000001aed1d0
[   37.284121][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.284344][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.284523][   T12] FS:  0000000000000000(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   37.284724][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.284868][   T12] CR2: 00007fe4652bac20 CR3: 000000001794a003 CR4: 0000000000771ef0
[   37.285042][   T12] PKRU: 55555554
[   37.285134][   T12] Call Trace:
[   37.285265][   T12]  <TASK>
[   37.285329][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.285527][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.285672][   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)
[   37.285792][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.285914][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.286064][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.286236][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.286360][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.286479][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.286598][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.286720][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.286842][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.286960][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.287082][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.287251][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.287371][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.287493][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.287614][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.287735][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.287858][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.287978][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.288103][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.288284][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.288406][   T12]  kthread (kernel/kthread.c:436)
[   37.288498][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.288647][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.288766][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.288888][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.289038][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.289167][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.289340][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.292379][   T12] ------------[ cut here ]------------
| [   37.292523][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   37.292758][   T12] Modules linked in:
| [   37.293115][   T12] Tainted: [W]=WARN
[   37.293218][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.293370][   T12] Workqueue: netns cleanup_net
[   37.293490][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.293642][   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
[   37.294049][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   37.294214][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d2dcc80 RCX: 1ff4000000018ed5
[   37.294390][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2dcd3c
[   37.294559][   T12] RBP: ff1100000f3bc000 R08: 1fe2200001a5b9a9 R09: ff11000001aed1d0
[   37.294729][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   37.294900][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.295075][   T12] FS:  0000000000000000(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   37.295291][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.295435][   T12] CR2: 000055bcb7deb130 CR3: 0000000052d4d002 CR4: 0000000000771ef0
[   37.295608][   T12] PKRU: 55555554
[   37.295694][   T12] Call Trace:
[   37.295782][   T12]  <TASK>
[   37.295844][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.295991][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.296138][   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)
[   37.296260][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.296375][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.296523][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.296641][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.296756][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.296872][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.296988][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.297105][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.297232][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.297347][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.297468][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.297585][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.297700][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.297817][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.297931][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.298050][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.298172][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.298289][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.298409][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.298529][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.298645][   T12]  kthread (kernel/kthread.c:436)
[   37.298732][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.298878][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.298993][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.299108][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.299261][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.299376][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.299491][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.305474][  T301] ------------[ cut here ]------------
| [   37.305629][  T301] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/301
| [   37.305849][  T301] Modules linked in:
| [   37.306214][  T301] Tainted: [W]=WARN
[   37.306310][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.306470][  T301] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.306633][  T301] 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
[   37.307084][  T301] RSP: 0018:ffa0000000cd7a80 EFLAGS: 00010286
[   37.307254][  T301] RAX: 00000000ffffffa6 RBX: ff1100000d2dda80 RCX: 1ff400000019af16
[   37.307448][  T301] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2ddb3c
[   37.307635][  T301] RBP: ff11000008901000 R08: 1fe2200001a5bb69 R09: ff1100000deed180
[   37.307824][  T301] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.308012][  T301] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008901000
[   37.308215][  T301] FS:  00007fe4650b9840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   37.308437][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.308595][  T301] CR2: 000055bcb7f3cd5c CR3: 000000001794a002 CR4: 0000000000771ef0
[   37.308785][  T301] PKRU: 55555554
[   37.308880][  T301] Call Trace:
[   37.308976][  T301]  <TASK>
[   37.309042][  T301]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.309173][  T301]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.309306][  T301]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.309401][  T301]  register_netdevice (net/core/dev.c:11488)
[   37.309529][  T301]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.309687][  T301]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.309815][  T301]  register_netdev (net/core/dev.c:11552)
[   37.309939][  T301]  loopback_net_init (drivers/net/loopback.c:218)
[   37.310067][  T301]  ops_init (net/core/net_namespace.c:137)
[   37.310167][  T301]  setup_net (net/core/net_namespace.c:446)
[   37.310269][  T301]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.310394][  T301]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.310519][  T301]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.310649][  T301]  copy_net_ns (net/core/net_namespace.c:579)
[   37.310777][  T301]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.310906][  T301]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.311032][  T301]  ksys_unshare (kernel/fork.c:3243)
[   37.311162][  T301]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.311294][  T301]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.311420][  T301]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.311551][  T301]  ? __ia32_sys_open (fs/open.c:1374)
[   37.311679][  T301]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.311805][  T301]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.311930][  T301]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.312054][  T301]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.312189][  T301]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.312314][  T301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.312470][  T301] RIP: 0033:0x7fe46537bbcb
[   37.312604][  T301] 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
[   37.313051][  T301] RSP: 002b:00007ffd239a8a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   37.313251][  T301] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe46537bbcb
[   37.313439][  T301] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.313626][  T301] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.313813][  T301] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd239aac40
[   37.313999][  T301] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd239ac884
| [   37.318073][  T301] ------------[ cut here ]------------
| [   37.318213][  T301] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/301
| [   37.318430][  T301] Modules linked in:
| [   37.318780][  T301] Tainted: [W]=WARN
[   37.318873][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.319030][  T301] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.319204][  T301] 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
[   37.319649][  T301] RSP: 0018:ffa0000000cd7918 EFLAGS: 00010286
[   37.319806][  T301] RAX: 00000000ffffffa6 RBX: ff11000004cb4580 RCX: 1ff400000019aee9
[   37.319992][  T301] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004cb463c
[   37.320190][  T301] RBP: ff1100000936c000 R08: 1fe22000009968c9 R09: ff1100000deed180
[   37.320377][  T301] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.320563][  T301] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000936c000
[   37.320750][  T301] FS:  00007fe4650b9840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   37.320972][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.321133][  T301] CR2: 000055bcb7f3cd5c CR3: 000000001794a002 CR4: 0000000000771ef0
[   37.321326][  T301] PKRU: 55555554
[   37.321419][  T301] Call Trace:
[   37.321512][  T301]  <TASK>
[   37.321577][  T301]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.321702][  T301]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.321831][  T301]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.321927][  T301]  register_netdevice (net/core/dev.c:11488)
[   37.322054][  T301]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.322235][  T301]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.322367][  T301]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   37.322496][  T301]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   37.322622][  T301]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   37.322753][  T301]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   37.322880][  T301]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   37.323008][  T301]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   37.323139][  T301]  ops_init (net/core/net_namespace.c:137)
[   37.323243][  T301]  setup_net (net/core/net_namespace.c:446)
[   37.323338][  T301]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.323462][  T301]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.323588][  T301]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.323719][  T301]  copy_net_ns (net/core/net_namespace.c:579)
[   37.323845][  T301]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.323973][  T301]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.324099][  T301]  ksys_unshare (kernel/fork.c:3243)
[   37.324234][  T301]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.324361][  T301]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.324486][  T301]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.324615][  T301]  ? __ia32_sys_open (fs/open.c:1374)
[   37.324743][  T301]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.324867][  T301]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.324992][  T301]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.325118][  T301]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.325253][  T301]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.325381][  T301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.325538][  T301] RIP: 0033:0x7fe46537bbcb
[   37.325675][  T301] 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
[   37.326130][  T301] RSP: 002b:00007ffd239a8a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   37.326328][  T301] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe46537bbcb
[   37.326521][  T301] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.326711][  T301] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.326900][  T301] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd239aac40
[   37.327089][  T301] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd239ac884
| [   37.339900][  T301] ------------[ cut here ]------------
| [   37.340034][  T301] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/301
| [   37.340266][  T301] Modules linked in:
| [   37.340627][  T301] Tainted: [W]=WARN
[   37.340723][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.340883][  T301] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.341047][  T301] 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
[   37.341507][  T301] RSP: 0018:ffa0000000cd78f8 EFLAGS: 00010286
[   37.341667][  T301] RAX: 00000000ffffffa6 RBX: ff1100000dd9f540 RCX: 1ff400000019aee5
[   37.341856][  T301] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd9f5fc
[   37.342048][  T301] RBP: ff11000009389000 R08: 1fe2200001bb3ec1 R09: ff1100000deed180
[   37.342246][  T301] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.342434][  T301] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009389000
[   37.342625][  T301] FS:  00007fe4650b9840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   37.342849][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.343008][  T301] CR2: 000055bcb7f3cd5c CR3: 000000001794a002 CR4: 0000000000771ef0
[   37.343210][  T301] PKRU: 55555554
[   37.343306][  T301] Call Trace:
[   37.343401][  T301]  <TASK>
[   37.343467][  T301]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.343595][  T301]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.343724][  T301]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.343821][  T301]  register_netdevice (net/core/dev.c:11488)
[   37.343950][  T301]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.344110][  T301]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.344250][  T301]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   37.344377][  T301]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   37.344504][  T301]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   37.344634][  T301]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   37.344764][  T301]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   37.344892][  T301]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   37.345021][  T301]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.345154][  T301]  vti_init_net (net/ipv4/ip_vti.c:517)
[   37.345286][  T301]  ops_init (net/core/net_namespace.c:137)
[   37.345385][  T301]  setup_net (net/core/net_namespace.c:446)
[   37.345481][  T301]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.345609][  T301]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.345736][  T301]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.345864][  T301]  copy_net_ns (net/core/net_namespace.c:579)
[   37.345992][  T301]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.346123][  T301]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.346263][  T301]  ksys_unshare (kernel/fork.c:3243)
[   37.346392][  T301]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.346522][  T301]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.346648][  T301]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.346777][  T301]  ? __ia32_sys_open (fs/open.c:1374)
[   37.346905][  T301]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.347033][  T301]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.347164][  T301]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.347296][  T301]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.347423][  T301]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.347552][  T301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.347712][  T301] RIP: 0033:0x7fe46537bbcb
[   37.347846][  T301] 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
[   37.348305][  T301] RSP: 002b:00007ffd239a8a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   37.348500][  T301] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe46537bbcb
[   37.348688][  T301] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.348876][  T301] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.349065][  T301] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd239aac40
[   37.349267][  T301] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd239ac884
| [   37.353312][  T301] ------------[ cut here ]------------
| [   37.353446][  T301] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/301
| [   37.353664][  T301] Modules linked in:
| [   37.354014][  T301] Tainted: [W]=WARN
[   37.354110][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.354280][  T301] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.354445][  T301] 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
[   37.354892][  T301] RSP: 0018:ffa0000000cd7a78 EFLAGS: 00010286
[   37.355053][  T301] RAX: 00000000ffffffa6 RBX: ff1100000dd9e740 RCX: 1ff400000019af15
[   37.355251][  T301] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd9e7fc
[   37.355440][  T301] RBP: ff110000059d4000 R08: 1fe2200001bb3d01 R09: ff1100000deed180
[   37.355628][  T301] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.355818][  T301] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000059d4000
[   37.356009][  T301] FS:  00007fe4650b9840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   37.356240][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.356398][  T301] CR2: 000055bcb7f3cd5c CR3: 000000001794a002 CR4: 0000000000771ef0
[   37.356587][  T301] PKRU: 55555554
[   37.356684][  T301] Call Trace:
[   37.356780][  T301]  <TASK>
[   37.356845][  T301]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.356973][  T301]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.357099][  T301]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.357205][  T301]  register_netdevice (net/core/dev.c:11488)
[   37.357334][  T301]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.357490][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.357621][  T301]  register_netdev (net/core/dev.c:11552)
[   37.357748][  T301]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   37.357879][  T301]  ops_init (net/core/net_namespace.c:137)
[   37.357976][  T301]  setup_net (net/core/net_namespace.c:446)
[   37.358071][  T301]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.358206][  T301]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.358332][  T301]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.358460][  T301]  copy_net_ns (net/core/net_namespace.c:579)
[   37.358588][  T301]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.358718][  T301]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.358845][  T301]  ksys_unshare (kernel/fork.c:3243)
[   37.358971][  T301]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.359098][  T301]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.359235][  T301]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.359367][  T301]  ? __ia32_sys_open (fs/open.c:1374)
[   37.359495][  T301]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.359622][  T301]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.359749][  T301]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.359873][  T301]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.359999][  T301]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.360125][  T301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.360291][  T301] RIP: 0033:0x7fe46537bbcb
[   37.360425][  T301] 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
[   37.360873][  T301] RSP: 002b:00007ffd239a8a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   37.361062][  T301] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe46537bbcb
[   37.361255][  T301] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.361441][  T301] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.361628][  T301] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd239aac40
[   37.361814][  T301] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd239ac884
| [   37.365743][  T301] ------------[ cut here ]------------
| [   37.365875][  T301] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/301
| [   37.366092][  T301] Modules linked in:
| [   37.366453][  T301] Tainted: [W]=WARN
[   37.366548][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.366708][  T301] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.366870][  T301] 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
[   37.367329][  T301] RSP: 0018:ffa0000000cd7a68 EFLAGS: 00010286
[   37.367487][  T301] RAX: 00000000ffffffa6 RBX: ff11000004cb5a80 RCX: 1ff400000019af13
[   37.367674][  T301] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004cb5b3c
[   37.367862][  T301] RBP: ff11000009dd9000 R08: 1fe2200000996b69 R09: ff1100000deed180
[   37.368050][  T301] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.368247][  T301] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009dd9000
[   37.368436][  T301] FS:  00007fe4650b9840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   37.368653][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.368813][  T301] CR2: 000055bcb7f3cd5c CR3: 000000001794a002 CR4: 0000000000771ef0
[   37.369002][  T301] PKRU: 55555554
[   37.369094][  T301] Call Trace:
[   37.369196][  T301]  <TASK>
[   37.369261][  T301]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.369385][  T301]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.369512][  T301]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.369609][  T301]  register_netdevice (net/core/dev.c:11488)
[   37.369735][  T301]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.369895][  T301]  register_netdev (net/core/dev.c:11552)
[   37.370021][  T301]  sit_init_net (net/ipv6/sit.c:1860)
[   37.370154][  T301]  ops_init (net/core/net_namespace.c:137)
[   37.370256][  T301]  setup_net (net/core/net_namespace.c:446)
[   37.370353][  T301]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.370480][  T301]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.370604][  T301]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.370732][  T301]  copy_net_ns (net/core/net_namespace.c:579)
[   37.370859][  T301]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.370987][  T301]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.371112][  T301]  ksys_unshare (kernel/fork.c:3243)
[   37.371248][  T301]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.371375][  T301]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.371499][  T301]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.371625][  T301]  ? __ia32_sys_open (fs/open.c:1374)
[   37.371751][  T301]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.371876][  T301]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.372001][  T301]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.372134][  T301]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.372264][  T301]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.372391][  T301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.372549][  T301] RIP: 0033:0x7fe46537bbcb
[   37.372682][  T301] 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
[   37.373127][  T301] RSP: 002b:00007ffd239a8a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   37.373325][  T301] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe46537bbcb
[   37.373513][  T301] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.373701][  T301] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.373888][  T301] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd239aac40
[   37.374078][  T301] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd239ac884
| [   37.378623][  T301] ------------[ cut here ]------------
| [   37.378755][  T301] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/301
| [   37.378975][  T301] Modules linked in:
| [   37.379839][  T301] Tainted: [W]=WARN
[   37.379939][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.380096][  T301] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.380324][  T301] 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
[   37.380767][  T301] RSP: 0018:ffa0000000cd7a78 EFLAGS: 00010286
[   37.380924][  T301] RAX: 00000000ffffffa6 RBX: ff1100000f24c040 RCX: 1ff400000019af15
[   37.381113][  T301] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f24c0fc
[   37.381361][  T301] RBP: ff11000002639000 R08: 1fe2200001e49821 R09: ff1100000deed180
[   37.381603][  T301] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.381789][  T301] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002639000
[   37.381981][  T301] FS:  00007fe4650b9840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   37.382258][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.382414][  T301] CR2: 000055bcb7f3cd5c CR3: 000000001794a002 CR4: 0000000000771ef0
[   37.382601][  T301] PKRU: 55555554
[   37.382693][  T301] Call Trace:
[   37.382786][  T301]  <TASK>
[   37.382850][  T301]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.382977][  T301]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.383103][  T301]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.383258][  T301]  register_netdevice (net/core/dev.c:11488)
[   37.383386][  T301]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.383540][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.383667][  T301]  register_netdev (net/core/dev.c:11552)
[   37.383792][  T301]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   37.383919][  T301]  ops_init (net/core/net_namespace.c:137)
[   37.384015][  T301]  setup_net (net/core/net_namespace.c:446)
[   37.384110][  T301]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.384294][  T301]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.384419][  T301]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.384545][  T301]  copy_net_ns (net/core/net_namespace.c:579)
[   37.384672][  T301]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.384802][  T301]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.384928][  T301]  ksys_unshare (kernel/fork.c:3243)
[   37.385054][  T301]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.385242][  T301]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.385367][  T301]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.385493][  T301]  ? __ia32_sys_open (fs/open.c:1374)
[   37.385618][  T301]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.385746][  T301]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.385871][  T301]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.385995][  T301]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.386119][  T301]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.386303][  T301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.386457][  T301] RIP: 0033:0x7fe46537bbcb
[   37.386586][  T301] 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
[   37.387031][  T301] RSP: 002b:00007ffd239a8a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   37.387279][  T301] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe46537bbcb
[   37.387464][  T301] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.387652][  T301] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.387839][  T301] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd239aac40
[   37.388025][  T301] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd239ac884
| [   37.423989][  T302] ------------[ cut here ]------------
| [   37.424141][  T302] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/302
| [   37.424370][  T302] Modules linked in:
| [   37.424722][  T302] Tainted: [W]=WARN
[   37.424817][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.424981][  T302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.425146][  T302] 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
[   37.425592][  T302] RSP: 0018:ffa0000000ce7020 EFLAGS: 00010286
[   37.425750][  T302] RAX: 00000000ffffffa6 RBX: ff1100000e482040 RCX: 1ff400000019cdca
[   37.425936][  T302] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4820fc
[   37.426121][  T302] RBP: ff11000008901000 R08: 1fe2200001c90421 R09: ff1100000cf80b58
[   37.426317][  T302] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   37.426505][  T302] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   37.426692][  T302] FS:  00007f5337ce2840(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   37.426910][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.427066][  T302] CR2: 00007f5337fb21a0 CR3: 0000000004b9c002 CR4: 0000000000771ef0
[   37.427264][  T302] PKRU: 55555554
[   37.427357][  T302] Call Trace:
[   37.427449][  T302]  <TASK>
[   37.427513][  T302]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.427640][  T302]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.427735][  T302]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   37.427858][  T302]  __dev_notify_flags (net/core/dev.c:9787)
[   37.427983][  T302]  ? netif_change_name (net/core/dev.c:1495)
[   37.428106][  T302]  ? __dev_change_flags (net/core/dev.c:9752)
[   37.428243][  T302]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   37.428367][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.428491][  T302]  ? 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))
[   37.428618][  T302]  netif_change_flags (net/core/dev.c:9820)
[   37.428744][  T302]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   37.428870][  T302]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   37.428997][  T302]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   37.429123][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   37.429291][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.429415][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.429538][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.429661][  T302]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.429787][  T302]  ? __kernel_text_address (kernel/extable.c:79)
[   37.429915][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.430041][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.430168][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.430299][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.430424][  T302]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.430548][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.430672][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.430796][  T302]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   37.430922][  T302]  ? __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)
[   37.431047][  T302]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   37.431175][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.431306][  T302]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   37.431435][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   37.431563][  T302]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.431689][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.431813][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.431937][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.432060][  T302]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.432192][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.432320][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.432443][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.432567][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.432691][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.432826][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.432953][  T302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.433078][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.433211][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.433333][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.433459][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.433582][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.433706][  T302]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.433833][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.433958][  T302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.434086][  T302]  ? 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))
[   37.434220][  T302]  ? 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))
[   37.434345][  T302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.434470][  T302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.434595][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.434720][  T302]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.434846][  T302]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.434971][  T302]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.435097][  T302]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.435232][  T302]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.435355][  T302]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.435508][  T302]  ? move_addr_to_kernel (net/socket.c:258)
[   37.435632][  T302]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.435760][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.435885][  T302]  ___sys_sendmsg (net/socket.c:2752)
[   37.436009][  T302]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.436167][  T302]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.436307][  T302]  __sys_sendmsg (net/socket.c:2784)
[   37.436432][  T302]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.436556][  T302]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.436716][  T302]  ? 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)
[   37.436841][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.436965][  T302]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.437089][  T302]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.437222][  T302]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.437346][  T302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.437499][  T302] RIP: 0033:0x7f5337f1c08e
[   37.437628][  T302] 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
[   37.438072][  T302] RSP: 002b:00007ffd54a9d060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.438269][  T302] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5337f1c08e
[   37.438457][  T302] RDX: 0000000000000000 RSI: 00007ffd54a9d110 RDI: 0000000000000005
[   37.438642][  T302] RBP: 00007ffd54a9d070 R08: 0000000000000000 R09: 0000000000000000
[   37.438828][  T302] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a7
[   37.439014][  T302] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd54a9d7e0
| [   37.632849][  T310] ------------[ cut here ]------------
| [   37.633018][  T310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/310
| [   37.633260][  T310] Modules linked in:
| [   37.633628][  T310] Tainted: [W]=WARN
[   37.633724][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.633882][  T310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.634048][  T310] 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
[   37.634513][  T310] RSP: 0018:ffa0000000d67a80 EFLAGS: 00010286
[   37.634673][  T310] RAX: 00000000ffffffa6 RBX: ff1100000d018c80 RCX: 1ff40000001acf16
[   37.634858][  T310] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d018d3c
[   37.635047][  T310] RBP: ff1100000f34c000 R08: 1fe2200001a031a9 R09: ff1100000e4f5180
[   37.635249][  T310] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.635439][  T310] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f34c000
[   37.635632][  T310] FS:  00007f04b65c8840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   37.635855][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.636019][  T310] CR2: 00007f04b67d27d0 CR3: 000000000ddba006 CR4: 0000000000771ef0
[   37.636220][  T310] PKRU: 55555554
[   37.636316][  T310] Call Trace:
[   37.636411][  T310]  <TASK>
[   37.636478][  T310]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.636606][  T310]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.636735][  T310]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.636833][  T310]  register_netdevice (net/core/dev.c:11488)
[   37.636961][  T310]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.637119][  T310]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.637257][  T310]  register_netdev (net/core/dev.c:11552)
[   37.637384][  T310]  loopback_net_init (drivers/net/loopback.c:218)
[   37.637511][  T310]  ops_init (net/core/net_namespace.c:137)
[   37.637608][  T310]  setup_net (net/core/net_namespace.c:446)
[   37.637707][  T310]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.637832][  T310]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.637960][  T310]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.638087][  T310]  copy_net_ns (net/core/net_namespace.c:579)
[   37.638226][  T310]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.638354][  T310]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.638480][  T310]  ksys_unshare (kernel/fork.c:3243)
[   37.638608][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.638734][  T310]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.638859][  T310]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.638986][  T310]  ? __ia32_sys_open (fs/open.c:1374)
[   37.639113][  T310]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.639247][  T310]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.639373][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.639500][  T310]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.639630][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.639756][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.639913][  T310] RIP: 0033:0x7f04b688abcb
[   37.640045][  T310] 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
[   37.640507][  T310] RSP: 002b:00007ffe10f62958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   37.640699][  T310] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04b688abcb
[   37.640886][  T310] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.641074][  T310] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.641275][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe10f64b80
[   37.641463][  T310] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe10f66884
| [   37.645746][  T310] ------------[ cut here ]------------
| [   37.645896][  T310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/310
| [   37.646118][  T310] Modules linked in:
| [   37.646487][  T310] Tainted: [W]=WARN
[   37.646583][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.646743][  T310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.646909][  T310] 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
[   37.647366][  T310] RSP: 0018:ffa0000000d67918 EFLAGS: 00010286
[   37.647523][  T310] RAX: 00000000ffffffa6 RBX: ff1100000f02d700 RCX: 1ff40000001acee9
[   37.647711][  T310] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f02d7bc
[   37.647900][  T310] RBP: ff11000005181000 R08: 1fe2200001e05af9 R09: ff1100000e4f5180
[   37.648087][  T310] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.648283][  T310] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005181000
[   37.648474][  T310] FS:  00007f04b65c8840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   37.648693][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.648850][  T310] CR2: 00007f04b67d27d0 CR3: 000000000ddba006 CR4: 0000000000771ef0
[   37.649040][  T310] PKRU: 55555554
[   37.649138][  T310] Call Trace:
[   37.649245][  T310]  <TASK>
[   37.649311][  T310]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.649437][  T310]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.649564][  T310]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.649661][  T310]  register_netdevice (net/core/dev.c:11488)
[   37.649791][  T310]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.649948][  T310]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.650080][  T310]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   37.650219][  T310]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   37.650345][  T310]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   37.650473][  T310]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   37.650600][  T310]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   37.650728][  T310]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   37.650856][  T310]  ops_init (net/core/net_namespace.c:137)
[   37.650954][  T310]  setup_net (net/core/net_namespace.c:446)
[   37.651053][  T310]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.651189][  T310]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.651318][  T310]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.651446][  T310]  copy_net_ns (net/core/net_namespace.c:579)
[   37.651574][  T310]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.651704][  T310]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.651831][  T310]  ksys_unshare (kernel/fork.c:3243)
[   37.651963][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.652090][  T310]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.652224][  T310]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.652352][  T310]  ? __ia32_sys_open (fs/open.c:1374)
[   37.652479][  T310]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.652604][  T310]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.652729][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.652855][  T310]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.652986][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.653111][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.653280][  T310] RIP: 0033:0x7f04b688abcb
[   37.653411][  T310] 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
[   37.653862][  T310] RSP: 002b:00007ffe10f62958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   37.654053][  T310] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04b688abcb
[   37.654251][  T310] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.654440][  T310] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.654628][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe10f64b80
[   37.654818][  T310] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe10f66884
| [   37.658627][  T310] ------------[ cut here ]------------
| [   37.658775][  T310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/310
| [   37.658998][  T310] Modules linked in:
| [   37.659369][  T310] Tainted: [W]=WARN
[   37.659467][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.659629][  T310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.659795][  T310] 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
[   37.660253][  T310] RSP: 0018:ffa0000000d678f8 EFLAGS: 00010286
[   37.660412][  T310] RAX: 00000000ffffffa6 RBX: ff1100000f02c740 RCX: 1ff40000001acee5
[   37.660602][  T310] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f02c7fc
[   37.660792][  T310] RBP: ff1100000f371000 R08: 1fe2200001e05901 R09: ff1100000e4f5180
[   37.660981][  T310] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.661175][  T310] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f371000
[   37.661372][  T310] FS:  00007f04b65c8840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   37.661597][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.661757][  T310] CR2: 00007f04b67d27d0 CR3: 000000000ddba006 CR4: 0000000000771ef0
[   37.661947][  T310] PKRU: 55555554
[   37.662046][  T310] Call Trace:
[   37.662150][  T310]  <TASK>
[   37.662222][  T310]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.662350][  T310]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.662479][  T310]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.662576][  T310]  register_netdevice (net/core/dev.c:11488)
[   37.662706][  T310]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.662864][  T310]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.662996][  T310]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   37.663124][  T310]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   37.663261][  T310]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   37.663393][  T310]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   37.663521][  T310]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   37.663650][  T310]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   37.663780][  T310]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.663912][  T310]  vti_init_net (net/ipv4/ip_vti.c:517)
[   37.664043][  T310]  ops_init (net/core/net_namespace.c:137)
[   37.664144][  T310]  setup_net (net/core/net_namespace.c:446)
[   37.664247][  T310]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.664372][  T310]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.664499][  T310]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.664629][  T310]  copy_net_ns (net/core/net_namespace.c:579)
[   37.664757][  T310]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.664889][  T310]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.665016][  T310]  ksys_unshare (kernel/fork.c:3243)
[   37.665147][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.665283][  T310]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.665410][  T310]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.665538][  T310]  ? __ia32_sys_open (fs/open.c:1374)
[   37.665667][  T310]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.665793][  T310]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.665923][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.666050][  T310]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.666189][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.666316][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.666474][  T310] RIP: 0033:0x7f04b688abcb
[   37.666608][  T310] 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
[   37.667059][  T310] RSP: 002b:00007ffe10f62958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   37.667259][  T310] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04b688abcb
[   37.667447][  T310] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.667638][  T310] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.667827][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe10f64b80
[   37.668017][  T310] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe10f66884
| [   37.672143][  T310] ------------[ cut here ]------------
| [   37.672293][  T310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/310
| [   37.672516][  T310] Modules linked in:
| [   37.672883][  T310] Tainted: [W]=WARN
[   37.672981][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.673146][  T310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.673320][  T310] 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
[   37.673775][  T310] RSP: 0018:ffa0000000d67a78 EFLAGS: 00010286
[   37.673935][  T310] RAX: 00000000ffffffa6 RBX: ff1100000d0198c0 RCX: 1ff40000001acf15
[   37.674131][  T310] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d01997c
[   37.674329][  T310] RBP: ff11000005229000 R08: 1fe2200001a03331 R09: ff1100000e4f5180
[   37.674521][  T310] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.674711][  T310] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005229000
[   37.674904][  T310] FS:  00007f04b65c8840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   37.675125][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.675293][  T310] CR2: 00007f04b67d27d0 CR3: 000000000ddba006 CR4: 0000000000771ef0
[   37.675487][  T310] PKRU: 55555554
[   37.675585][  T310] Call Trace:
[   37.675679][  T310]  <TASK>
[   37.675745][  T310]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.675872][  T310]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.676000][  T310]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.676095][  T310]  register_netdevice (net/core/dev.c:11488)
[   37.676237][  T310]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.676392][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.676522][  T310]  register_netdev (net/core/dev.c:11552)
[   37.676647][  T310]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   37.676775][  T310]  ops_init (net/core/net_namespace.c:137)
[   37.676873][  T310]  setup_net (net/core/net_namespace.c:446)
[   37.676971][  T310]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.677100][  T310]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.677237][  T310]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.677366][  T310]  copy_net_ns (net/core/net_namespace.c:579)
[   37.677494][  T310]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.677624][  T310]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.677750][  T310]  ksys_unshare (kernel/fork.c:3243)
[   37.677877][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.678007][  T310]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.678134][  T310]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.678269][  T310]  ? __ia32_sys_open (fs/open.c:1374)
[   37.678397][  T310]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.678522][  T310]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.678648][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.678775][  T310]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.678901][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.679030][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.679194][  T310] RIP: 0033:0x7f04b688abcb
[   37.679328][  T310] 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
[   37.679778][  T310] RSP: 002b:00007ffe10f62958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   37.679972][  T310] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04b688abcb
[   37.680164][  T310] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.680358][  T310] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.680546][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe10f64b80
[   37.680738][  T310] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe10f66884
| [   37.684929][  T310] ------------[ cut here ]------------
| [   37.685072][  T310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/310
| [   37.685830][  T310] Modules linked in:
| [   37.686249][  T310] Tainted: [W]=WARN
[   37.686403][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.686563][  T310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.686732][  T310] 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
[   37.687250][  T310] RSP: 0018:ffa0000000d67a68 EFLAGS: 00010286
[   37.687413][  T310] RAX: 00000000ffffffa6 RBX: ff1100000ff56900 RCX: 1ff40000001acf13
[   37.687606][  T310] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff569bc
[   37.687795][  T310] RBP: ff11000004f01000 R08: 1fe2200001fead39 R09: ff1100000e4f5180
[   37.687984][  T310] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.688176][  T310] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f01000
[   37.688427][  T310] FS:  00007f04b65c8840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   37.688646][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.688804][  T310] CR2: 00007f04b67d27d0 CR3: 000000000ddba006 CR4: 0000000000771ef0
[   37.688993][  T310] PKRU: 55555554
[   37.689089][  T310] Call Trace:
[   37.689244][  T310]  <TASK>
[   37.689312][  T310]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.689444][  T310]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.689571][  T310]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.689667][  T310]  register_netdevice (net/core/dev.c:11488)
[   37.689796][  T310]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.689957][  T310]  register_netdev (net/core/dev.c:11552)
[   37.690081][  T310]  sit_init_net (net/ipv6/sit.c:1860)
[   37.690271][  T310]  ops_init (net/core/net_namespace.c:137)
[   37.690372][  T310]  setup_net (net/core/net_namespace.c:446)
[   37.690466][  T310]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.690592][  T310]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.690718][  T310]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.690848][  T310]  copy_net_ns (net/core/net_namespace.c:579)
[   37.690975][  T310]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.691104][  T310]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.691298][  T310]  ksys_unshare (kernel/fork.c:3243)
[   37.691426][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.691553][  T310]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.691680][  T310]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.691809][  T310]  ? __ia32_sys_open (fs/open.c:1374)
[   37.691935][  T310]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.692061][  T310]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.692252][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.692379][  T310]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.692505][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.692631][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.692788][  T310] RIP: 0033:0x7f04b688abcb
[   37.692923][  T310] 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
[   37.693439][  T310] RSP: 002b:00007ffe10f62958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   37.693629][  T310] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04b688abcb
[   37.693818][  T310] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.694006][  T310] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.694260][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe10f64b80
[   37.694449][  T310] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe10f66884
| [   37.705461][  T310] ------------[ cut here ]------------
| [   37.705649][  T310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/310
| [   37.705917][  T310] Modules linked in:
| [   37.706392][  T310] Tainted: [W]=WARN
[   37.706531][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.706734][  T310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.706944][  T310] 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
[   37.707462][  T310] RSP: 0018:ffa0000000d67a78 EFLAGS: 00010286
[   37.707669][  T310] RAX: 00000000ffffffa6 RBX: ff11000019424e40 RCX: 1ff40000001acf15
[   37.707901][  T310] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000019424efc
[   37.708144][  T310] RBP: ff1100000f26c000 R08: 1fe22000032849e1 R09: ff1100000e4f5180
[   37.708399][  T310] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.708643][  T310] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f26c000
[   37.708880][  T310] FS:  00007f04b65c8840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.709155][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.709373][  T310] CR2: 00007f9628bd5574 CR3: 000000000ddba004 CR4: 0000000000771ef0
[   37.709611][  T310] PKRU: 55555554
[   37.709749][  T310] Call Trace:
[   37.709889][  T310]  <TASK>
[   37.710000][  T310]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.710180][  T310]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.710365][  T310]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.710508][  T310]  register_netdevice (net/core/dev.c:11488)
[   37.710682][  T310]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.710885][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.711061][  T310]  register_netdev (net/core/dev.c:11552)
[   37.711250][  T310]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   37.711423][  T310]  ops_init (net/core/net_namespace.c:137)
[   37.711565][  T310]  setup_net (net/core/net_namespace.c:446)
[   37.711707][  T310]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.711880][  T310]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.712056][  T310]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.712253][  T310]  copy_net_ns (net/core/net_namespace.c:579)
[   37.712429][  T310]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.712603][  T310]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.712776][  T310]  ksys_unshare (kernel/fork.c:3243)
[   37.712949][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.713122][  T310]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.713345][  T310]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.713518][  T310]  ? __ia32_sys_open (fs/open.c:1374)
[   37.713691][  T310]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.713863][  T310]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.714035][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.714228][  T310]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.714401][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.714573][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.714779][  T310] RIP: 0033:0x7f04b688abcb
[   37.714956][  T310] 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
[   37.715468][  T310] RSP: 002b:00007ffe10f62958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   37.715709][  T310] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04b688abcb
[   37.715941][  T310] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.716195][  T310] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.716429][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe10f64b80
[   37.716663][  T310] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe10f66884
| [   37.749655][  T311] ------------[ cut here ]------------
| [   37.749842][  T311] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/311
| [   37.750109][  T311] Modules linked in:
| [   37.750586][  T311] Tainted: [W]=WARN
[   37.750728][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.750934][  T311] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.751152][  T311] 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
[   37.751670][  T311] RSP: 0018:ffa0000000d77020 EFLAGS: 00010286
[   37.751875][  T311] RAX: 00000000ffffffa6 RBX: ff11000019424580 RCX: 1ff40000001aedca
[   37.752110][  T311] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001942463c
[   37.752374][  T311] RBP: ff1100000f34c000 R08: 1fe22000032848c9 R09: ff1100000c978b58
[   37.752616][  T311] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   37.752852][  T311] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   37.753092][  T311] FS:  00007febc7a76840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.753383][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.753592][  T311] CR2: 000000002484c988 CR3: 000000000606b006 CR4: 0000000000771ef0
[   37.753839][  T311] PKRU: 55555554
[   37.753979][  T311] Call Trace:
[   37.754121][  T311]  <TASK>
[   37.754252][  T311]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.754430][  T311]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.754573][  T311]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   37.754747][  T311]  __dev_notify_flags (net/core/dev.c:9787)
[   37.754927][  T311]  ? netif_change_name (net/core/dev.c:1495)
[   37.755100][  T311]  ? __dev_change_flags (net/core/dev.c:9752)
[   37.755293][  T311]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   37.755466][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.755640][  T311]  ? 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))
[   37.755817][  T311]  netif_change_flags (net/core/dev.c:9820)
[   37.755995][  T311]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   37.756175][  T311]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   37.756367][  T311]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   37.756541][  T311]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   37.756746][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.756920][  T311]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.757093][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.757372][  T311]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.757613][  T311]  ? __kernel_text_address (kernel/extable.c:79)
[   37.757869][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.758115][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.758380][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.758572][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.758743][  T311]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.758920][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.759094][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.759286][  T311]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   37.759461][  T311]  ? __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)
[   37.759635][  T311]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   37.759808][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.759983][  T311]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   37.760166][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   37.760359][  T311]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.760534][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.760707][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.760880][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.761052][  T311]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.761244][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.761419][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.761594][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.761766][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.761939][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.762114][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.762307][  T311]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.762480][  T311]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.762652][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.762824][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.763001][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.763194][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.763371][  T311]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.763546][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.763722][  T311]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.763898][  T311]  ? 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))
[   37.764069][  T311]  ? 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))
[   37.764265][  T311]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.764448][  T311]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.764621][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.764796][  T311]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.764970][  T311]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.765151][  T311]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.765340][  T311]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.765514][  T311]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.765690][  T311]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.765892][  T311]  ? move_addr_to_kernel (net/socket.c:258)
[   37.766068][  T311]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.766263][  T311]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.766441][  T311]  ___sys_sendmsg (net/socket.c:2752)
[   37.766613][  T311]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.766820][  T311]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.767008][  T311]  __sys_sendmsg (net/socket.c:2784)
[   37.767204][  T311]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.767379][  T311]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.767588][  T311]  ? 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)
[   37.767763][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.767940][  T311]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.768113][  T311]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.768309][  T311]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.768488][  T311]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.768692][  T311] RIP: 0033:0x7febc7cb008e
[   37.768872][  T311] 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
[   37.769393][  T311] RSP: 002b:00007ffdbeb5e8a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.769635][  T311] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febc7cb008e
[   37.769872][  T311] RDX: 0000000000000000 RSI: 00007ffdbeb5e950 RDI: 0000000000000005
[   37.770107][  T311] RBP: 00007ffdbeb5e8b0 R08: 0000000000000000 R09: 0000000000000000
[   37.770367][  T311] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   37.770604][  T311] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbeb5f020
| [   37.878714][  T314] ------------[ cut here ]------------
| [   37.878916][  T314] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/314
| [   37.879628][  T314] Modules linked in:
| [   37.880083][  T314] Tainted: [W]=WARN
[   37.880248][  T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.880458][  T314] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.880671][  T314] 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
[   37.881192][  T314] RSP: 0018:ffa0000000da6e30 EFLAGS: 00010286
[   37.881400][  T314] RAX: 00000000ffffffa6 RBX: ff1100000ff56ac0 RCX: 1ff40000001b4d8c
[   37.881638][  T314] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff56b7c
[   37.881873][  T314] RBP: ff1100000f5f4000 R08: 1fe2200001fead71 R09: ff11000009c80b80
[   37.882110][  T314] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.882372][  T314] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000019756a80
[   37.882610][  T314] FS:  00007f8bbace3840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.882877][  T314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.883085][  T314] CR2: 00000000004eb188 CR3: 000000000e72f006 CR4: 0000000000771ef0
[   37.883343][  T314] PKRU: 55555554
[   37.883485][  T314] Call Trace:
[   37.883625][  T314]  <TASK>
[   37.883737][  T314]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.883913][  T314]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.884056][  T314]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   37.884280][  T314]  __dev_notify_flags (net/core/dev.c:9787)
[   37.884458][  T314]  ? netif_change_name (net/core/dev.c:1495)
[   37.884634][  T314]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.884809][  T314]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.884982][  T314]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.885167][  T314]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   37.885356][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.885532][  T314]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   37.885706][  T314]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   37.885880][  T314]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.886055][  T314]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   37.886251][  T314]  veth_newlink (drivers/net/veth.c:1871)
[   37.886428][  T314]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   37.886599][  T314]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.886773][  T314]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.886944][  T314]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.887140][  T314]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   37.887329][  T314]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   37.887504][  T314]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   37.887677][  T314]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.887851][  T314]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   37.888026][  T314]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   37.888220][  T314]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   37.888393][  T314]  ? __dev_get_by_name (net/core/dev.c:883)
[   37.888569][  T314]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   37.888749][  T314]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   37.888926][  T314]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.889103][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.889292][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.889468][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.889642][  T314]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.889814][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.889997][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.890177][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.890362][  T314]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.890536][  T314]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.890709][  T314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.890881][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.891057][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.891253][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.891429][  T314]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.891603][  T314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.891777][  T314]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.891955][  T314]  ? 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))
[   37.892137][  T314]  ? 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))
[   37.892324][  T314]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.892500][  T314]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.892679][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.892853][  T314]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.893031][  T314]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.893219][  T314]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.893397][  T314]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.893572][  T314]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.893744][  T314]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.893951][  T314]  ? move_addr_to_kernel (net/socket.c:258)
[   37.894126][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.894321][  T314]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   37.894496][  T314]  ___sys_sendmsg (net/socket.c:2752)
[   37.894670][  T314]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   37.894845][  T314]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.895022][  T314]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   37.895217][  T314]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   37.895397][  T314]  __sys_sendmsg (net/socket.c:2784)
[   37.895573][  T314]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.895751][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.895926][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.896101][  T314]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.896292][  T314]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.896467][  T314]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.896644][  T314]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.896853][  T314] RIP: 0033:0x7f8bbaf1d08e
[   37.897034][  T314] 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
[   37.897554][  T314] RSP: 002b:00007ffe91f81b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.897799][  T314] RAX: ffffffffffffffda RBX: 00007ffe91f82308 RCX: 00007f8bbaf1d08e
[   37.898037][  T314] RDX: 0000000000000000 RSI: 00007ffe91f81c10 RDI: 0000000000000005
[   37.898292][  T314] RBP: 00007ffe91f81b70 R08: 0000000000000000 R09: 0000000000000000
[   37.898530][  T314] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   37.898771][  T314] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe91f822e0
| [   37.906549][  T314] ------------[ cut here ]------------
| [   37.906727][  T314] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/314
| [   37.906998][  T314] Modules linked in:
| [   37.907467][  T314] Tainted: [W]=WARN
[   37.907609][  T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.907814][  T314] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.908028][  T314] 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
[   37.908540][  T314] RSP: 0018:ffa0000000da71b0 EFLAGS: 00010286
[   37.908746][  T314] RAX: 00000000ffffffa6 RBX: ff1100000dd62040 RCX: 1ff40000001b4dfc
[   37.908984][  T314] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd620fc
[   37.909302][  T314] RBP: ff1100000f5f1000 R08: 1fe2200001bac421 R09: ff11000009c80b80
[   37.909593][  T314] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.909882][  T314] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff9e203b20
[   37.910243][  T314] FS:  00007f8bbace3840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.910569][  T314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.910836][  T314] CR2: 00000000004eb188 CR3: 000000000e72f006 CR4: 0000000000771ef0
[   37.911124][  T314] PKRU: 55555554
[   37.911336][  T314] Call Trace:
[   37.911529][  T314]  <TASK>
[   37.911694][  T314]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.911927][  T314]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.912122][  T314]  __dev_notify_flags (net/core/dev.c:9787)
[   37.912371][  T314]  ? netif_change_name (net/core/dev.c:1495)
[   37.912598][  T314]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   37.912825][  T314]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.913054][  T314]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   37.913302][  T314]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   37.913536][  T314]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   37.913763][  T314]  ? __dev_get_by_name (net/core/dev.c:883)
[   37.913990][  T314]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   37.914242][  T314]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   37.914476][  T314]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.914705][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.914930][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.915165][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.915406][  T314]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.915631][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.915862][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.916089][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.916335][  T314]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.916563][  T314]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.916789][  T314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.917020][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.917266][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.917491][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.917717][  T314]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.917941][  T314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.918173][  T314]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.918470][  T314]  ? 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))
[   37.918699][  T314]  ? 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))
[   37.918932][  T314]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.919167][  T314]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.919405][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.919633][  T314]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.919861][  T314]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.920090][  T314]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.920339][  T314]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.920571][  T314]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.920801][  T314]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.921057][  T314]  ? move_addr_to_kernel (net/socket.c:258)
[   37.921307][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.921537][  T314]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   37.921766][  T314]  ___sys_sendmsg (net/socket.c:2752)
[   37.921992][  T314]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   37.922240][  T314]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.922480][  T314]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   37.922743][  T314]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   37.923015][  T314]  __sys_sendmsg (net/socket.c:2784)
[   37.923303][  T314]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.923565][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.923799][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.923972][  T314]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.924159][  T314]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.924347][  T314]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.924522][  T314]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.924727][  T314] RIP: 0033:0x7f8bbaf1d08e
[   37.924927][  T314] 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
[   37.925449][  T314] RSP: 002b:00007ffe91f81b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.925688][  T314] RAX: ffffffffffffffda RBX: 00007ffe91f82308 RCX: 00007f8bbaf1d08e
[   37.925923][  T314] RDX: 0000000000000000 RSI: 00007ffe91f81c10 RDI: 0000000000000005
[   37.926167][  T314] RBP: 00007ffe91f81b70 R08: 0000000000000000 R09: 0000000000000000
[   37.926421][  T314] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   37.926659][  T314] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe91f822e0
| [   37.964105][  T315] ------------[ cut here ]------------
| [   37.964300][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/315
| [   37.964582][  T315] Modules linked in:
| [   37.965049][  T315] Tainted: [W]=WARN
[   37.965216][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.965432][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.965656][  T315] 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
[   37.966192][  T315] RSP: 0018:ffa0000000da6e30 EFLAGS: 00010286
[   37.966405][  T315] RAX: 00000000ffffffa6 RBX: ff1100000dd63a80 RCX: 1ff40000001b4d8c
[   37.966649][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd63b3c
[   37.966898][  T315] RBP: ff1100000d084000 R08: 1fe2200001bac769 R09: ff11000009c82e80
[   37.967150][  T315] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.967406][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000019f73880
[   37.967653][  T315] FS:  00007f28c4a71840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.967935][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.968153][  T315] CR2: 00000000004eb188 CR3: 0000000004adc002 CR4: 0000000000771ef0
[   37.968415][  T315] PKRU: 55555554
[   37.968562][  T315] Call Trace:
[   37.968710][  T315]  <TASK>
[   37.968825][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.969010][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.969213][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.969362][  T315]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   37.969545][  T315]  __dev_notify_flags (net/core/dev.c:9787)
[   37.969725][  T315]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   37.969903][  T315]  ? 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)
[   37.970084][  T315]  ? netif_change_name (net/core/dev.c:1495)
[   37.970285][  T315]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.970464][  T315]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.970643][  T315]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.970825][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.971006][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.971207][  T315]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   37.971389][  T315]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   37.971573][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.971754][  T315]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   37.971937][  T315]  veth_newlink (drivers/net/veth.c:1871)
[   37.972121][  T315]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   37.972325][  T315]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.972506][  T315]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.972685][  T315]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.972881][  T315]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   37.973063][  T315]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   37.973267][  T315]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   37.973451][  T315]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.973632][  T315]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   37.973813][  T315]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   37.973995][  T315]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   37.974192][  T315]  ? __dev_get_by_name (net/core/dev.c:883)
[   37.974374][  T315]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   37.974559][  T315]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   37.974744][  T315]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.974924][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.975101][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.975299][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.975478][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.975656][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.975842][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.976021][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.976220][  T315]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.976400][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.976579][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.976757][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.976937][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.977118][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.977318][  T315]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.977498][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.977678][  T315]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.977861][  T315]  ? 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))
[   37.978039][  T315]  ? 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))
[   37.978240][  T315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.978422][  T315]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.978607][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.978787][  T315]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.978970][  T315]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.979156][  T315]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.979351][  T315]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.979532][  T315]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.979710][  T315]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.979922][  T315]  ? move_addr_to_kernel (net/socket.c:258)
[   37.980103][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.980299][  T315]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   37.980480][  T315]  ___sys_sendmsg (net/socket.c:2752)
[   37.980658][  T315]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   37.980837][  T315]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.981019][  T315]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   37.981226][  T315]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   37.981409][  T315]  __sys_sendmsg (net/socket.c:2784)
[   37.981590][  T315]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.981772][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.981952][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.982141][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.982332][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.982512][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.982696][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.982908][  T315] RIP: 0033:0x7f28c4cab08e
[   37.983094][  T315] 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
[   37.983628][  T315] RSP: 002b:00007ffe9dcc03d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.983877][  T315] RAX: ffffffffffffffda RBX: 00007ffe9dcc0b78 RCX: 00007f28c4cab08e
[   37.984121][  T315] RDX: 0000000000000000 RSI: 00007ffe9dcc0480 RDI: 0000000000000005
[   37.984383][  T315] RBP: 00007ffe9dcc03e0 R08: 0000000000000000 R09: 0000000000000000
[   37.984624][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   37.984871][  T315] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9dcc0b50
| [   37.993039][  T315] ------------[ cut here ]------------
| [   37.993228][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/315
| [   37.993506][  T315] Modules linked in:
| [   37.993961][  T315] Tainted: [W]=WARN
[   37.994107][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.994336][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.994555][  T315] 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
[   37.995062][  T315] RSP: 0018:ffa0000000da71b0 EFLAGS: 00010286
[   37.995291][  T315] RAX: 00000000ffffffa6 RBX: ff11000011cde900 RCX: 1ff40000001b4dfc
[   37.995538][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011cde9bc
[   37.995778][  T315] RBP: ff1100000d081000 R08: 1fe220000239bd39 R09: ff11000009c82e80
[   37.996020][  T315] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.996282][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff9e203b20
[   37.996530][  T315] FS:  00007f28c4a71840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   37.996806][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.997016][  T315] CR2: 00000000004eb188 CR3: 0000000004adc002 CR4: 0000000000771ef0
[   37.997277][  T315] PKRU: 55555554
[   37.997420][  T315] Call Trace:
[   37.997565][  T315]  <TASK>
[   37.997678][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.997860][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.998006][  T315]  __dev_notify_flags (net/core/dev.c:9787)
[   37.998207][  T315]  ? netif_change_name (net/core/dev.c:1495)
[   37.998386][  T315]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   37.998565][  T315]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.998746][  T315]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   37.998927][  T315]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   37.999109][  T315]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   37.999307][  T315]  ? __dev_get_by_name (net/core/dev.c:883)
[   37.999484][  T315]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   37.999668][  T315]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   37.999852][  T315]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.000033][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.000230][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.000416][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.000595][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.000772][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.000953][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.001142][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.001347][  T315]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.001525][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.001702][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.001883][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.002062][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.002257][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.002436][  T315]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.002614][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.002792][  T315]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.002973][  T315]  ? 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))
[   38.003155][  T315]  ? 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))
[   38.003355][  T315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.003536][  T315]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.003714][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.003893][  T315]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.004072][  T315]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.004269][  T315]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.004449][  T315]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.004632][  T315]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.004811][  T315]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.005020][  T315]  ? move_addr_to_kernel (net/socket.c:258)
[   38.005218][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.005395][  T315]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   38.005573][  T315]  ___sys_sendmsg (net/socket.c:2752)
[   38.005749][  T315]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   38.005931][  T315]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.006114][  T315]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   38.006318][  T315]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   38.006500][  T315]  __sys_sendmsg (net/socket.c:2784)
[   38.006678][  T315]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.006860][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.007040][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.007240][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.007419][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.007598][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.007778][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.007988][  T315] RIP: 0033:0x7f28c4cab08e
[   38.008191][  T315] 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
[   38.008704][  T315] RSP: 002b:00007ffe9dcc03d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.008947][  T315] RAX: ffffffffffffffda RBX: 00007ffe9dcc0b78 RCX: 00007f28c4cab08e
[   38.009209][  T315] RDX: 0000000000000000 RSI: 00007ffe9dcc0480 RDI: 0000000000000005
[   38.009451][  T315] RBP: 00007ffe9dcc03e0 R08: 0000000000000000 R09: 0000000000000000
[   38.009695][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   38.009937][  T315] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9dcc0b50
| [   38.047643][  T316] ------------[ cut here ]------------
| [   38.047799][  T316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/316
| [   38.048036][  T316] Modules linked in:
| [   38.048422][  T316] Tainted: [W]=WARN
[   38.048522][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.048689][  T316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.048863][  T316] 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
[   38.049343][  T316] RSP: 0018:ffa0000000db71b0 EFLAGS: 00010286
[   38.049509][  T316] RAX: 00000000ffffffa6 RBX: ff11000011cdfa80 RCX: 1ff40000001b6dfc
[   38.049710][  T316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011cdfb3c
[   38.049907][  T316] RBP: ff1100000f1f9000 R08: 1fe220000239bf69 R09: ff11000009c851a8
[   38.050103][  T316] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   38.050310][  T316] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   38.050511][  T316] FS:  00007f9da9f36840(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   38.050747][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.050912][  T316] CR2: 00000000004a77b8 CR3: 000000000d767002 CR4: 0000000000771ef0
[   38.051113][  T316] PKRU: 55555554
[   38.051225][  T316] Call Trace:
[   38.051325][  T316]  <TASK>
[   38.051395][  T316]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.051530][  T316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.051662][  T316]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.051799][  T316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.051900][  T316]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   38.052034][  T316]  __dev_notify_flags (net/core/dev.c:9787)
[   38.052175][  T316]  ? netif_change_name (net/core/dev.c:1495)
[   38.052318][  T316]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.052486][  T316]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   38.052620][  T316]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   38.052754][  T316]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   38.052888][  T316]  ? __dev_get_by_name (net/core/dev.c:883)
[   38.053019][  T316]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   38.053161][  T316]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   38.053304][  T316]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.053438][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.053572][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.053706][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.053838][  T316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.053971][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.054109][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.054253][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.054387][  T316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.054522][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.054654][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.054785][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.054923][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.055055][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.055196][  T316]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.055329][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.055462][  T316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.055599][  T316]  ? 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))
[   38.055730][  T316]  ? 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))
[   38.055864][  T316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.055998][  T316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.056137][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.056281][  T316]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.056416][  T316]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.056552][  T316]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.056690][  T316]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.056825][  T316]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.056960][  T316]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.057125][  T316]  ? move_addr_to_kernel (net/socket.c:258)
[   38.057272][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.057406][  T316]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   38.057544][  T316]  ___sys_sendmsg (net/socket.c:2752)
[   38.057678][  T316]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   38.057812][  T316]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.057951][  T316]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   38.058088][  T316]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   38.058231][  T316]  __sys_sendmsg (net/socket.c:2784)
[   38.058366][  T316]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.058505][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.058641][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.058775][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.058910][  T316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.059075][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.059219][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.059385][  T316] RIP: 0033:0x7f9daa17008e
[   38.059526][  T316] 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
[   38.060003][  T316] RSP: 002b:00007fff861cea00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.060213][  T316] RAX: ffffffffffffffda RBX: 00007fff861cf1a8 RCX: 00007f9daa17008e
[   38.060413][  T316] RDX: 0000000000000000 RSI: 00007fff861ceab0 RDI: 0000000000000005
[   38.060616][  T316] RBP: 00007fff861cea10 R08: 0000000000000000 R09: 0000000000000000
[   38.060817][  T316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   38.061017][  T316] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff861cf180
| [   38.092277][  T317] ------------[ cut here ]------------
| [   38.092432][  T317] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/317
| [   38.092664][  T317] Modules linked in:
| [   38.093032][  T317] Tainted: [W]=WARN
[   38.093133][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.093307][  T317] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.093479][  T317] 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
[   38.093945][  T317] RSP: 0018:ffa0000000dc7020 EFLAGS: 00010286
[   38.094113][  T317] RAX: 00000000ffffffa6 RBX: ff1100000f1b4580 RCX: 1ff40000001b8dca
[   38.094318][  T317] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b463c
[   38.094513][  T317] RBP: ff1100000f1f9000 R08: 1fe2200001e368c9 R09: ff11000016218b80
[   38.094705][  T317] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   38.094899][  T317] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   38.095097][  T317] FS:  00007f3d7fd5b840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   38.095332][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.095495][  T317] CR2: 0000000018407988 CR3: 0000000009aff001 CR4: 0000000000771ef0
[   38.095690][  T317] PKRU: 55555554
[   38.095788][  T317] Call Trace:
[   38.095888][  T317]  <TASK>
[   38.095956][  T317]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.096091][  T317]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.096199][  T317]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   38.096330][  T317]  __dev_notify_flags (net/core/dev.c:9787)
[   38.096464][  T317]  ? netif_change_name (net/core/dev.c:1495)
[   38.096595][  T317]  ? __dev_change_flags (net/core/dev.c:9752)
[   38.096726][  T317]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   38.096855][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.096985][  T317]  ? 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))
[   38.097118][  T317]  netif_change_flags (net/core/dev.c:9820)
[   38.097259][  T317]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   38.097394][  T317]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   38.097525][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.097691][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.097821][  T317]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.097952][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.098082][  T317]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.098224][  T317]  ? __kernel_text_address (kernel/extable.c:79)
[   38.098356][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.098489][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.098621][  T317]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.098753][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.098885][  T317]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.099014][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.099150][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.099342][  T317]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.099475][  T317]  ? __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)
[   38.099607][  T317]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   38.099739][  T317]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.099872][  T317]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   38.100006][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   38.100143][  T317]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.100333][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.100462][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.100592][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.100723][  T317]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.100855][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.100988][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.101117][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.101309][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.101496][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.101627][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.101756][  T317]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.101887][  T317]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.102018][  T317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.102151][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.102338][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.102467][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.102598][  T317]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.102728][  T317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.102858][  T317]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.102993][  T317]  ? 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))
[   38.103122][  T317]  ? 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))
[   38.103314][  T317]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.103447][  T317]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.103578][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.103710][  T317]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.103841][  T317]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.103974][  T317]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.104108][  T317]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.104331][  T317]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.104464][  T317]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.104625][  T317]  ? move_addr_to_kernel (net/socket.c:258)
[   38.104757][  T317]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.104889][  T317]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.105025][  T317]  ___sys_sendmsg (net/socket.c:2752)
[   38.105162][  T317]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.105412][  T317]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.105556][  T317]  __sys_sendmsg (net/socket.c:2784)
[   38.105690][  T317]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.105819][  T317]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.105984][  T317]  ? 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)
[   38.106116][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.106321][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.106453][  T317]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.106583][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.106714][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.106874][  T317] RIP: 0033:0x7f3d7ff9508e
[   38.107010][  T317] 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
[   38.107566][  T317] RSP: 002b:00007ffe7a4b9c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.107763][  T317] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3d7ff9508e
[   38.107958][  T317] RDX: 0000000000000000 RSI: 00007ffe7a4b9d30 RDI: 0000000000000005
[   38.108159][  T317] RBP: 00007ffe7a4b9c90 R08: 0000000000000000 R09: 0000000000000000
[   38.108439][  T317] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   38.108633][  T317] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7a4ba400
| [   38.204925][  T320] ------------[ cut here ]------------
| [   38.205088][  T320] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/320
| [   38.205335][  T320] Modules linked in:
| [   38.205704][  T320] Tainted: [W]=WARN
[   38.205801][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.205967][  T320] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.206139][  T320] 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
[   38.206669][  T320] RSP: 0018:ffa0000000df7020 EFLAGS: 00010286
[   38.206832][  T320] RAX: 00000000ffffffa6 RBX: ff1100000e80d700 RCX: 1ff40000001bedca
[   38.207022][  T320] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e80d7bc
[   38.207297][  T320] RBP: ff1100000f5f4000 R08: 1fe2200001d01af9 R09: ff1100000cc58b58
[   38.207490][  T320] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   38.207683][  T320] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   38.207876][  T320] FS:  00007ff81fd6c840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   38.208165][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.208365][  T320] CR2: 00000000340f8988 CR3: 000000000dd20004 CR4: 0000000000771ef0
[   38.208563][  T320] PKRU: 55555554
[   38.208661][  T320] Call Trace:
[   38.208757][  T320]  <TASK>
[   38.208825][  T320]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.208958][  T320]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.209056][  T320]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   38.209195][  T320]  __dev_notify_flags (net/core/dev.c:9787)
[   38.209327][  T320]  ? netif_change_name (net/core/dev.c:1495)
[   38.209458][  T320]  ? __dev_change_flags (net/core/dev.c:9752)
[   38.209587][  T320]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   38.209715][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.209844][  T320]  ? 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))
[   38.209976][  T320]  netif_change_flags (net/core/dev.c:9820)
[   38.210106][  T320]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.210244][  T320]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   38.210377][  T320]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   38.210507][  T320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.210668][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.210796][  T320]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.210924][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.211050][  T320]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.211190][  T320]  ? __kernel_text_address (kernel/extable.c:79)
[   38.211319][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.211450][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.211577][  T320]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.211706][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.211833][  T320]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.211959][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.212086][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.212226][  T320]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.212356][  T320]  ? __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)
[   38.212486][  T320]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   38.212615][  T320]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.212745][  T320]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   38.212876][  T320]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   38.213008][  T320]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.213142][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.213278][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.213408][  T320]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.213536][  T320]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.213663][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.213795][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.213923][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.214051][  T320]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.214193][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.214323][  T320]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.214453][  T320]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.214580][  T320]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.214709][  T320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.214836][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.214967][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.215094][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.215236][  T320]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.215366][  T320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.215495][  T320]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.215625][  T320]  ? 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))
[   38.215753][  T320]  ? 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))
[   38.215883][  T320]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.216013][  T320]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.216145][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.216280][  T320]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.216410][  T320]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.216539][  T320]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.216669][  T320]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.216799][  T320]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.216927][  T320]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.217087][  T320]  ? move_addr_to_kernel (net/socket.c:258)
[   38.217227][  T320]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.217357][  T320]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.217489][  T320]  ___sys_sendmsg (net/socket.c:2752)
[   38.217618][  T320]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.217777][  T320]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.217918][  T320]  __sys_sendmsg (net/socket.c:2784)
[   38.218048][  T320]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.218189][  T320]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.218351][  T320]  ? 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)
[   38.218481][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.218611][  T320]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.218740][  T320]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.218868][  T320]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.218998][  T320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.219166][  T320] RIP: 0033:0x7ff81ffa608e
[   38.219323][  T320] 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
[   38.219782][  T320] RSP: 002b:00007ffd825df4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.219977][  T320] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff81ffa608e
[   38.220173][  T320] RDX: 0000000000000000 RSI: 00007ffd825df570 RDI: 0000000000000005
[   38.220371][  T320] RBP: 00007ffd825df4d0 R08: 0000000000000000 R09: 0000000000000000
[   38.220565][  T320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   38.220756][  T320] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd825dfc40
| [   38.251877][  T321] ------------[ cut here ]------------
| [   38.252063][  T321] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/321
| [   38.252362][  T321] Modules linked in:
| [   38.252823][  T321] Tainted: [W]=WARN
[   38.252962][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.253172][  T321] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.253396][  T321] 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
[   38.253890][  T321] RSP: 0018:ffa0000000e07020 EFLAGS: 00010286
[   38.254094][  T321] RAX: 00000000ffffffa6 RBX: ff11000017a323c0 RCX: 1ff40000001c0dca
[   38.254346][  T321] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000017a3247c
[   38.254579][  T321] RBP: ff1100000d084000 R08: 1fe2200002f46491 R09: ff1100000cc5ae58
[   38.254816][  T321] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   38.255052][  T321] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   38.255382][  T321] FS:  00007f4605119840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   38.255723][  T321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.255981][  T321] CR2: 0000000014c52988 CR3: 0000000009527003 CR4: 0000000000771ef0
[   38.256286][  T321] PKRU: 55555554
[   38.256479][  T321] Call Trace:
[   38.256671][  T321]  <TASK>
[   38.256832][  T321]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.257056][  T321]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.257293][  T321]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   38.257551][  T321]  __dev_notify_flags (net/core/dev.c:9787)
[   38.257825][  T321]  ? netif_change_name (net/core/dev.c:1495)
[   38.258002][  T321]  ? __dev_change_flags (net/core/dev.c:9752)
[   38.258177][  T321]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   38.258360][  T321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.258531][  T321]  ? 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))
[   38.258705][  T321]  netif_change_flags (net/core/dev.c:9820)
[   38.258877][  T321]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.259053][  T321]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   38.259246][  T321]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   38.259417][  T321]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.259618][  T321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.259788][  T321]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.259956][  T321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.260138][  T321]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.260322][  T321]  ? __kernel_text_address (kernel/extable.c:79)
[   38.260494][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.260666][  T321]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.260835][  T321]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.261006][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.261196][  T321]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.261370][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.261545][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.261716][  T321]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.261886][  T321]  ? __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)
[   38.262057][  T321]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   38.262248][  T321]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.262421][  T321]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   38.262594][  T321]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   38.262766][  T321]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.262941][  T321]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.263110][  T321]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.263304][  T321]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.263474][  T321]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.263643][  T321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.263815][  T321]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.263982][  T321]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.264164][  T321]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.264349][  T321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.264524][  T321]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.264694][  T321]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.264865][  T321]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.265035][  T321]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.265217][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.265389][  T321]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.265561][  T321]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.265732][  T321]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.265904][  T321]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.266074][  T321]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.266265][  T321]  ? 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))
[   38.266433][  T321]  ? 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))
[   38.266606][  T321]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.266780][  T321]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.266951][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.267124][  T321]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.267315][  T321]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.267488][  T321]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.267661][  T321]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.267832][  T321]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.268000][  T321]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.268219][  T321]  ? move_addr_to_kernel (net/socket.c:258)
[   38.268392][  T321]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.268562][  T321]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.268733][  T321]  ___sys_sendmsg (net/socket.c:2752)
[   38.268901][  T321]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.269102][  T321]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.269302][  T321]  __sys_sendmsg (net/socket.c:2784)
[   38.269476][  T321]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.269644][  T321]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.269846][  T321]  ? 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)
[   38.270015][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.270205][  T321]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.270376][  T321]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.270547][  T321]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.270722][  T321]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.270923][  T321] RIP: 0033:0x7f460535308e
[   38.271100][  T321] 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
[   38.271605][  T321] RSP: 002b:00007ffd0c8917a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.271841][  T321] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f460535308e
[   38.272070][  T321] RDX: 0000000000000000 RSI: 00007ffd0c891850 RDI: 0000000000000005
[   38.272320][  T321] RBP: 00007ffd0c8917b0 R08: 0000000000000000 R09: 0000000000000000
[   38.272549][  T321] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   38.272781][  T321] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0c891f20
| [   38.473014][  T328] ------------[ cut here ]------------
| [   38.473877][  T328] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/328
| [   38.474166][  T328] Modules linked in:
| [   38.474932][  T328] Tainted: [W]=WARN
[   38.475077][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.475315][  T328] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.475535][  T328] 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
[   38.476046][  T328] RSP: 0018:ffa0000000e771b0 EFLAGS: 00010286
[   38.476283][  T328] RAX: 00000000ffffffa6 RBX: ff1100001ac2da80 RCX: 1ff40000001cedfc
[   38.476525][  T328] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001ac2db3c
[   38.476765][  T328] RBP: ff110000188cc000 R08: 1fe2200003585b69 R09: ff110000196751a8
[   38.477009][  T328] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.477271][  T328] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   38.477513][  T328] FS:  00007f4aad167840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   38.477788][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.477999][  T328] CR2: 00000000004a77b8 CR3: 000000001adbf001 CR4: 0000000000771ef0
[   38.478264][  T328] PKRU: 55555554
[   38.478411][  T328] Call Trace:
[   38.478555][  T328]  <TASK>
[   38.478671][  T328]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.478849][  T328]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.479027][  T328]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.479222][  T328]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.479372][  T328]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   38.479550][  T328]  __dev_notify_flags (net/core/dev.c:9787)
[   38.479730][  T328]  ? netif_change_name (net/core/dev.c:1495)
[   38.479909][  T328]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.480119][  T328]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   38.480318][  T328]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   38.480496][  T328]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   38.480676][  T328]  ? __dev_get_by_name (net/core/dev.c:883)
[   38.480853][  T328]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   38.481038][  T328]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   38.481237][  T328]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.481421][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.481597][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.481773][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.481949][  T328]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.482129][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.482332][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.482510][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.482687][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.482865][  T328]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.483044][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.483242][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.483421][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.483603][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.483782][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.483960][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.484145][  T328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.484337][  T328]  ? 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))
[   38.484512][  T328]  ? 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))
[   38.484691][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.484870][  T328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.485049][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.485249][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.485430][  T328]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.485606][  T328]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.485785][  T328]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.485963][  T328]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.486145][  T328]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.486364][  T328]  ? move_addr_to_kernel (net/socket.c:258)
[   38.486542][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.486719][  T328]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   38.486896][  T328]  ___sys_sendmsg (net/socket.c:2752)
[   38.487072][  T328]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   38.487268][  T328]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.487451][  T328]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   38.487634][  T328]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   38.487813][  T328]  __sys_sendmsg (net/socket.c:2784)
[   38.487992][  T328]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.488194][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.488375][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.488552][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.488729][  T328]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.488906][  T328]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.489086][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.489316][  T328] RIP: 0033:0x7f4aad3a108e
[   38.489500][  T328] 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
[   38.490006][  T328] RSP: 002b:00007ffd6e83e260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.490274][  T328] RAX: ffffffffffffffda RBX: 00007ffd6e83ea08 RCX: 00007f4aad3a108e
[   38.490512][  T328] RDX: 0000000000000000 RSI: 00007ffd6e83e310 RDI: 0000000000000005
[   38.490752][  T328] RBP: 00007ffd6e83e270 R08: 0000000000000000 R09: 0000000000000000
[   38.490992][  T328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   38.491253][  T328] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6e83e9e0
| [   38.522369][  T329] ------------[ cut here ]------------
| [   38.522521][  T329] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/329
| [   38.522744][  T329] Modules linked in:
| [   38.523149][  T329] Tainted: [W]=WARN
[   38.523257][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.523416][  T329] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.523582][  T329] 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
[   38.524036][  T329] RSP: 0018:ffa0000000e87020 EFLAGS: 00010286
[   38.524209][  T329] RAX: 00000000ffffffa6 RBX: ff11000005078580 RCX: 1ff40000001d0dca
[   38.524404][  T329] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000507863c
[   38.524600][  T329] RBP: ff110000188cc000 R08: 1fe2200000a0f0c9 R09: ff110000196d8b80
[   38.524790][  T329] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   38.524978][  T329] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   38.525175][  T329] FS:  00007fe56e9f8840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   38.525406][  T329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.525568][  T329] CR2: 0000000000b9c988 CR3: 000000000bc1e001 CR4: 0000000000771ef0
[   38.525761][  T329] PKRU: 55555554
[   38.525857][  T329] Call Trace:
[   38.525952][  T329]  <TASK>
[   38.526019][  T329]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   38.526154][  T329]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.526291][  T329]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.526389][  T329]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   38.526516][  T329]  __dev_notify_flags (net/core/dev.c:9787)
[   38.526645][  T329]  ? netif_change_name (net/core/dev.c:1495)
[   38.526772][  T329]  ? __dev_change_flags (net/core/dev.c:9752)
[   38.526900][  T329]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   38.527026][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.527162][  T329]  ? 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))
[   38.527356][  T329]  netif_change_flags (net/core/dev.c:9820)
[   38.527486][  T329]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   38.527616][  T329]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   38.527746][  T329]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.527905][  T329]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.528033][  T329]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.528167][  T329]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.528372][  T329]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.528501][  T329]  ? __kernel_text_address (kernel/extable.c:79)
[   38.528628][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.528758][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.528884][  T329]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.529013][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.529148][  T329]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.529334][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.529464][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.529593][  T329]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.529721][  T329]  ? __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)
[   38.529849][  T329]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   38.529977][  T329]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.530105][  T329]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   38.530249][  T329]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   38.530379][  T329]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.530507][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.530632][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.530760][  T329]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.530886][  T329]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.531012][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.531145][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.531279][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.531407][  T329]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.531534][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.531661][  T329]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.531788][  T329]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.531917][  T329]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.532043][  T329]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.532177][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.532575][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.532701][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.532829][  T329]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.532958][  T329]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.533087][  T329]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.533230][  T329]  ? 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))
[   38.533358][  T329]  ? 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))
[   38.533490][  T329]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.533620][  T329]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.533748][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.533876][  T329]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.534005][  T329]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.534138][  T329]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.534275][  T329]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.534404][  T329]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.534535][  T329]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.534692][  T329]  ? move_addr_to_kernel (net/socket.c:258)
[   38.534822][  T329]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.534950][  T329]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.535078][  T329]  ___sys_sendmsg (net/socket.c:2752)
[   38.535215][  T329]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.535375][  T329]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.535516][  T329]  __sys_sendmsg (net/socket.c:2784)
[   38.535646][  T329]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.535776][  T329]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.535937][  T329]  ? 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)
[   38.536065][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.536205][  T329]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.536334][  T329]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.536466][  T329]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.536595][  T329]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.536755][  T329] RIP: 0033:0x7fe56ec3208e
[   38.536890][  T329] 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
[   38.537357][  T329] RSP: 002b:00007fffd25c4d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.537554][  T329] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe56ec3208e
[   38.537750][  T329] RDX: 0000000000000000 RSI: 00007fffd25c4e10 RDI: 0000000000000005
[   38.537945][  T329] RBP: 00007fffd25c4d70 R08: 0000000000000000 R09: 0000000000000000
[   38.538144][  T329] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   38.538352][  T329] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd25c54e0
| [   38.630797][  T333] ------------[ cut here ]------------
| [   38.630998][  T333] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/333
| [   38.631563][  T333] Modules linked in:
| [   38.632029][  T333] Tainted: [W]=WARN
[   38.632193][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.632403][  T333] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.632620][  T333] 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
[   38.633119][  T333] RSP: 0018:ffa0000000eb7020 EFLAGS: 00010286
[   38.633351][  T333] RAX: 00000000ffffffa6 RBX: ff1100000eb59700 RCX: 1ff40000001d6dca
[   38.633588][  T333] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000eb597bc
[   38.633822][  T333] RBP: ff1100000f5f1000 R08: 1fe2200001d6b2f9 R09: ff1100000aabae58
[   38.634057][  T333] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   38.634314][  T333] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   38.634557][  T333] FS:  00007f6c59e48840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   38.634828][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.635036][  T333] CR2: 000000001d7ee988 CR3: 0000000004aee002 CR4: 0000000000771ef0
[   38.635293][  T333] PKRU: 55555554
[   38.635436][  T333] Call Trace:
[   38.635583][  T333]  <TASK>
[   38.635695][  T333]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.635874][  T333]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.636018][  T333]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   38.636213][  T333]  __dev_notify_flags (net/core/dev.c:9787)
[   38.636396][  T333]  ? netif_change_name (net/core/dev.c:1495)
[   38.636572][  T333]  ? __dev_change_flags (net/core/dev.c:9752)
[   38.636748][  T333]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   38.636927][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.637104][  T333]  ? 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))
[   38.637302][  T333]  netif_change_flags (net/core/dev.c:9820)
[   38.637479][  T333]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.637655][  T333]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   38.637832][  T333]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   38.638012][  T333]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.638241][  T333]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.638418][  T333]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.638592][  T333]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.638765][  T333]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.638943][  T333]  ? __kernel_text_address (kernel/extable.c:79)
[   38.639120][  T333]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.639320][  T333]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.639495][  T333]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.639670][  T333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.639843][  T333]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.640017][  T333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.640213][  T333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.640388][  T333]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.640569][  T333]  ? __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)
[   38.640747][  T333]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   38.640924][  T333]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.641099][  T333]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   38.641295][  T333]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   38.641473][  T333]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.641650][  T333]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.641825][  T333]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.642005][  T333]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.642200][  T333]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.642376][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.642553][  T333]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.642728][  T333]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.642905][  T333]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.643082][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.643279][  T333]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.643461][  T333]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.643637][  T333]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.643812][  T333]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.643987][  T333]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.644170][  T333]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.644355][  T333]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.644532][  T333]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.644708][  T333]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.644888][  T333]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.645067][  T333]  ? 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))
[   38.645262][  T333]  ? 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))
[   38.645442][  T333]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.645619][  T333]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.645795][  T333]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.645972][  T333]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.646158][  T333]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.646348][  T333]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.646528][  T333]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.646705][  T333]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.646882][  T333]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.647088][  T333]  ? move_addr_to_kernel (net/socket.c:258)
[   38.647288][  T333]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.647467][  T333]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.647645][  T333]  ___sys_sendmsg (net/socket.c:2752)
[   38.647820][  T333]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.648025][  T333]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.648231][  T333]  __sys_sendmsg (net/socket.c:2784)
[   38.648408][  T333]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.648584][  T333]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.648796][  T333]  ? 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)
[   38.648973][  T333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.649155][  T333]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.649343][  T333]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.649520][  T333]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.649697][  T333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.649906][  T333] RIP: 0033:0x7f6c5a08208e
[   38.650087][  T333] 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
[   38.650610][  T333] RSP: 002b:00007ffd50764700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.650849][  T333] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6c5a08208e
[   38.651087][  T333] RDX: 0000000000000000 RSI: 00007ffd507647b0 RDI: 0000000000000005
[   38.651348][  T333] RBP: 00007ffd50764710 R08: 0000000000000000 R09: 0000000000000000
[   38.651586][  T333] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   38.651825][  T333] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd50764e80
| [   38.654143][   T38] ------------[ cut here ]------------
| [   38.654298][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   38.654534][   T38] Modules linked in:
| [   38.654943][   T38] Tainted: [W]=WARN
[   38.655032][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.655191][   T38] Workqueue: events_unbound linkwatch_event
[   38.655346][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.655498][   T38] 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
[   38.655919][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   38.656069][   T38] RAX: 00000000ffffffa6 RBX: ff1100000f6d9540 RCX: 1ff4000000055f02
[   38.656521][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f6d95fc
[   38.656700][   T38] RBP: ff1100000f5f4000 R08: 1fe2200001edb2c1 R09: ff11000001da2ea8
[   38.656877][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   38.657052][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.657240][   T38] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   38.657451][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.657600][   T38] CR2: 000055bcb7f3cd5c CR3: 000000000dfad001 CR4: 0000000000771ef0
[   38.657777][   T38] PKRU: 55555554
[   38.657866][   T38] Call Trace:
[   38.657954][   T38]  <TASK>
[   38.658016][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.658139][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.658268][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.658359][   T38]  netif_state_change (net/core/dev.c:1605)
[   38.658479][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   38.658627][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   38.658744][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   38.658864][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.658984][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   38.659104][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   38.659235][   T38]  process_one_work (kernel/workqueue.c:3314)
[   38.659359][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.659478][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.659602][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.659724][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.659841][   T38]  kthread (kernel/kthread.c:436)
[   38.659932][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.660080][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.660214][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.660337][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.660485][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.660608][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.660726][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.690001][  T334] ------------[ cut here ]------------
| [   38.690200][  T334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/334
| [   38.690472][  T334] Modules linked in:
| [   38.690926][  T334] Tainted: [W]=WARN
[   38.691080][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.691372][  T334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.691666][  T334] 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
[   38.692265][  T334] RSP: 0018:ffa0000000ec7020 EFLAGS: 00010286
[   38.692560][  T334] RAX: 00000000ffffffa6 RBX: ff11000011fca740 RCX: 1ff40000001d8dca
[   38.692881][  T334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011fca7fc
[   38.693208][  T334] RBP: ff1100000d081000 R08: 1fe22000023f9501 R09: ff1100000aabd158
[   38.693501][  T334] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   38.693805][  T334] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   38.694042][  T334] FS:  00007fb3defa0840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   38.694334][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.694541][  T334] CR2: 00007fb3df2701a0 CR3: 000000000f4ff004 CR4: 0000000000771ef0
[   38.694785][  T334] PKRU: 55555554
[   38.694927][  T334] Call Trace:
[   38.695069][  T334]  <TASK>
[   38.695203][  T334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.695384][  T334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.695531][  T334]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   38.695703][  T334]  __dev_notify_flags (net/core/dev.c:9787)
[   38.695881][  T334]  ? netif_change_name (net/core/dev.c:1495)
[   38.696058][  T334]  ? __dev_change_flags (net/core/dev.c:9752)
[   38.696254][  T334]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   38.696427][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.696604][  T334]  ? 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))
[   38.696780][  T334]  netif_change_flags (net/core/dev.c:9820)
[   38.696957][  T334]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.697139][  T334]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   38.697329][  T334]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   38.697504][  T334]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.697709][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.697883][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.698057][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.698251][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.698431][  T334]  ? __kernel_text_address (kernel/extable.c:79)
[   38.698606][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.698782][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.698956][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.699141][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.699327][  T334]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.699501][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.699676][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.699854][  T334]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.700030][  T334]  ? __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)
[   38.700221][  T334]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   38.700399][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.700575][  T334]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   38.700754][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   38.700932][  T334]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.701110][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.701307][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.701483][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.701658][  T334]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.701832][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.702009][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.702203][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.702377][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.702555][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.702731][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.702905][  T334]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.703081][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.703275][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.703449][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.703626][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.703799][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.703979][  T334]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.704161][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.704350][  T334]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.704530][  T334]  ? 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))
[   38.704705][  T334]  ? 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))
[   38.704882][  T334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.705059][  T334]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.705256][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.705433][  T334]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.705609][  T334]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.705785][  T334]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.705961][  T334]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.706142][  T334]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.706327][  T334]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.706530][  T334]  ? move_addr_to_kernel (net/socket.c:258)
[   38.706708][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.706882][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.707060][  T334]  ___sys_sendmsg (net/socket.c:2752)
[   38.707252][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.707458][  T334]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.707645][  T334]  __sys_sendmsg (net/socket.c:2784)
[   38.707821][  T334]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.707997][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.708226][  T334]  ? 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)
[   38.708401][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.708576][  T334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.708750][  T334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.708926][  T334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.709100][  T334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.709324][  T334] RIP: 0033:0x7fb3df1da08e
[   38.709504][  T334] 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
[   38.710002][  T334] RSP: 002b:00007ffe021fb990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.710261][  T334] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb3df1da08e
[   38.710501][  T334] RDX: 0000000000000000 RSI: 00007ffe021fba40 RDI: 0000000000000005
[   38.710736][  T334] RBP: 00007ffe021fb9a0 R08: 0000000000000000 R09: 0000000000000000
[   38.710971][  T334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a8
[   38.711221][  T334] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe021fc110
| [   38.713594][   T38] ------------[ cut here ]------------
| [   38.713725][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/38
| [   38.713959][   T38] Modules linked in:
| [   38.714348][   T38] Tainted: [W]=WARN
[   38.714436][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.714583][   T38] Workqueue: events_unbound linkwatch_event
[   38.714737][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.714887][   T38] 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
[   38.715317][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   38.715466][   T38] RAX: 00000000ffffffa6 RBX: ff11000011fcb000 RCX: 1ff4000000055f02
[   38.715642][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011fcb0bc
[   38.715815][   T38] RBP: ff1100000d084000 R08: 1fe22000023f9619 R09: ff11000001da2ea8
[   38.715991][   T38] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   38.716168][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.716365][   T38] FS:  0000000000000000(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   38.716576][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.716723][   T38] CR2: 000055bce0f21a38 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   38.716898][   T38] PKRU: 55555554
[   38.716986][   T38] Call Trace:
[   38.717072][   T38]  <TASK>
[   38.717141][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.717266][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.717384][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.717477][   T38]  netif_state_change (net/core/dev.c:1605)
[   38.717594][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   38.717739][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   38.717855][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   38.717972][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.718090][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   38.718216][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   38.718334][   T38]  process_one_work (kernel/workqueue.c:3314)
[   38.718455][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.718570][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.718690][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.718810][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.718924][   T38]  kthread (kernel/kthread.c:436)
[   38.719010][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.719163][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.719286][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.719403][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.719548][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.719664][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.719780][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.746758][  T335] ------------[ cut here ]------------
| [   38.746934][  T335] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/335
| [   38.747858][  T335] Modules linked in:
| [   38.748400][  T335] Tainted: [W]=WARN
[   38.748537][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.748739][  T335] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.748948][  T335] 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
[   38.749458][  T335] RSP: 0018:ffa0000000ec7150 EFLAGS: 00010286
[   38.749662][  T335] RAX: 00000000ffffffa6 RBX: ff11000011fcbe00 RCX: 1ff40000001d8df0
[   38.749892][  T335] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011fcbebc
[   38.750123][  T335] RBP: ff1100000f5f1000 R08: 1fe22000023f97d9 R09: ff110000162d0b58
[   38.750378][  T335] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   38.750609][  T335] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011d066c0
[   38.750843][  T335] FS:  00007f8b2e30a840(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   38.751109][  T335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.751334][  T335] CR2: 00000000004eb4a8 CR3: 0000000019e17006 CR4: 0000000000771ef0
[   38.751567][  T335] PKRU: 55555554
[   38.751704][  T335] Call Trace:
[   38.751842][  T335]  <TASK>
[   38.751952][  T335]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.752122][  T335]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.752315][  T335]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.752457][  T335]  netif_state_change (net/core/dev.c:1605)
[   38.752631][  T335]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   38.752832][  T335]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   38.753036][  T335]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   38.753221][  T335]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   38.753392][  T335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.753559][  T335]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.753730][  T335]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   38.753904][  T335]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.754072][  T335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.754260][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.754447][  T335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.754617][  T335]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.754788][  T335]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.754955][  T335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.755129][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.755323][  T335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.755494][  T335]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   38.755664][  T335]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.755835][  T335]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.756003][  T335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.756192][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.756364][  T335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.756537][  T335]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.756710][  T335]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.756879][  T335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.757050][  T335]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.757245][  T335]  ? 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))
[   38.757415][  T335]  ? 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))
[   38.757588][  T335]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.757765][  T335]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.757935][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.758105][  T335]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.758294][  T335]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.758466][  T335]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.758641][  T335]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.758812][  T335]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.758981][  T335]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.759204][  T335]  ? move_addr_to_kernel (net/socket.c:258)
[   38.759372][  T335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.759546][  T335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.759747][  T335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.759916][  T335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.760117][  T335]  ___sys_sendmsg (net/socket.c:2752)
[   38.760312][  T335]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.760484][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.760663][  T335]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   38.760831][  T335]  ? do_getsockname (net/socket.c:2192)
[   38.761003][  T335]  __sys_sendmsg (net/socket.c:2784)
[   38.761192][  T335]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.761366][  T335]  ? __sys_getsockname (net/socket.c:2210)
[   38.761536][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.761709][  T335]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.761881][  T335]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.762054][  T335]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.762246][  T335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.762450][  T335] RIP: 0033:0x7f8b2e54408e
[   38.762628][  T335] 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
[   38.763123][  T335] RSP: 002b:00007ffe528710f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.763376][  T335] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8b2e54408e
[   38.763611][  T335] RDX: 0000000000000000 RSI: 00007ffe528711a0 RDI: 0000000000000006
[   38.763847][  T335] RBP: 00007ffe52871100 R08: 0000000000000000 R09: 0000000000000000
[   38.764084][  T335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a9
[   38.764337][  T335] R13: 00007ffe52871250 R14: 0000000000000000 R15: 00007ffe52871dc8
| [   38.795536][  T336] ------------[ cut here ]------------
| [   38.795682][  T336] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/336
| [   38.795906][  T336] Modules linked in:
| [   38.796674][  T336] Tainted: [W]=WARN
[   38.796771][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.796926][  T336] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.797090][  T336] 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
[   38.797545][  T336] RSP: 0018:ffa0000000947150 EFLAGS: 00010286
[   38.797703][  T336] RAX: 00000000ffffffa6 RBX: ff11000004cb5c40 RCX: 1ff4000000128df0
[   38.797888][  T336] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004cb5cfc
[   38.798073][  T336] RBP: ff1100000d081000 R08: 1fe2200000996ba1 R09: ff110000162d2e58
[   38.798267][  T336] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   38.798452][  T336] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000178c0740
[   38.798641][  T336] FS:  00007f15a945e840(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   38.798861][  T336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.799019][  T336] CR2: 00000000004eb4b0 CR3: 000000000e529002 CR4: 0000000000771ef0
[   38.799216][  T336] PKRU: 55555554
[   38.799310][  T336] Call Trace:
[   38.799404][  T336]  <TASK>
[   38.799468][  T336]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.799594][  T336]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.799720][  T336]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.799815][  T336]  netif_state_change (net/core/dev.c:1605)
[   38.799941][  T336]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   38.800098][  T336]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   38.800263][  T336]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   38.800387][  T336]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   38.800511][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.800636][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.800761][  T336]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   38.800884][  T336]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.801006][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.801129][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.801278][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.801404][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.801527][  T336]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.801649][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.801773][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.801899][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.802022][  T336]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   38.802148][  T336]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.802278][  T336]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.802403][  T336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.802524][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.802648][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.802771][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.802894][  T336]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.803017][  T336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.803144][  T336]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.803276][  T336]  ? 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))
[   38.803400][  T336]  ? 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))
[   38.803524][  T336]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.803648][  T336]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.803772][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.803896][  T336]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.804020][  T336]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.804147][  T336]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.804278][  T336]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.804403][  T336]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.804527][  T336]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.804680][  T336]  ? move_addr_to_kernel (net/socket.c:258)
[   38.804801][  T336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.804927][  T336]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.805081][  T336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.805214][  T336]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.805368][  T336]  ___sys_sendmsg (net/socket.c:2752)
[   38.805492][  T336]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.805615][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.805746][  T336]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   38.805867][  T336]  ? do_getsockname (net/socket.c:2192)
[   38.805992][  T336]  __sys_sendmsg (net/socket.c:2784)
[   38.806116][  T336]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.806258][  T336]  ? __sys_getsockname (net/socket.c:2210)
[   38.806381][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.806506][  T336]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.806631][  T336]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.806754][  T336]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.806876][  T336]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.807029][  T336] RIP: 0033:0x7f15a969808e
[   38.807164][  T336] 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
[   38.807613][  T336] RSP: 002b:00007ffcdd48ce60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.807801][  T336] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15a969808e
[   38.807989][  T336] RDX: 0000000000000000 RSI: 00007ffcdd48cf10 RDI: 0000000000000006
[   38.808176][  T336] RBP: 00007ffcdd48ce70 R08: 0000000000000000 R09: 0000000000000000
[   38.808367][  T336] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2a9
[   38.808550][  T336] R13: 00007ffcdd48cfc0 R14: 0000000000000000 R15: 00007ffcdd48db38
| [   39.197161][  T348] ------------[ cut here ]------------
| [   39.197530][  T348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: tcpdump/348
| [   39.197798][  T348] Modules linked in:
| [   39.198169][  T348] Tainted: [W]=WARN
[   39.198275][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.198439][  T348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.198606][  T348] 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
[   39.199063][  T348] RSP: 0018:ffa0000000d07950 EFLAGS: 00010286
[   39.199242][  T348] RAX: 00000000ffffffa6 RBX: ff11000017bda3c0 RCX: 1ff40000001a0ef0
[   39.199434][  T348] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000017bda47c
[   39.199712][  T348] RBP: ff1100000f5f4000 R08: 1fe2200002f7b491 R09: ff1100000a1eae58
[   39.199907][  T348] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   39.200200][  T348] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5f4000
[   39.200402][  T348] FS:  00007fe38e11ea40(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   39.200628][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.200876][  T348] CR2: 00007ffc31e7ffdc CR3: 000000000fd4c001 CR4: 0000000000771ef0
[   39.201068][  T348] PKRU: 55555554
[   39.201168][  T348] Call Trace:
[   39.201353][  T348]  <TASK>
[   39.201420][  T348]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.201553][  T348]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.201681][  T348]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.201780][  T348]  __dev_notify_flags (net/core/dev.c:9787)
[   39.201992][  T348]  ? netdev_notice (net/core/dev.c:13008)
[   39.202123][  T348]  ? netif_change_name (net/core/dev.c:1495)
[   39.202322][  T348]  __dev_set_promiscuity (net/core/dev.c:9630)
[   39.202451][  T348]  netif_set_promiscuity (net/core/dev.c:9639)
[   39.202635][  T348]  dev_set_promiscuity (net/core/dev_api.c:288)
[   39.202762][  T348]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.202893][  T348]  packet_mc_add (net/packet/af_packet.c:3728)
[   39.203025][  T348]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.203160][  T348]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.203340][  T348]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   39.203470][  T348]  packet_setsockopt (net/packet/af_packet.c:3813)
[   39.203598][  T348]  ? packet_bind (net/packet/af_packet.c:3314)
[   39.203727][  T348]  ? do_sock_getsockopt (net/socket.c:2468)
[   39.203855][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5844 (discriminator 1))
[   39.203987][  T348]  ? sock_poll (net/socket.c:1502)
[   39.204117][  T348]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.204341][  T348]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.204472][  T348]  do_sock_setsockopt (net/socket.c:2381)
[   39.204603][  T348]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   39.204732][  T348]  ? __sys_getsockopt (net/socket.c:2518 (discriminator 3))
[   39.204860][  T348]  __sys_setsockopt (net/socket.c:2406)
[   39.204988][  T348]  __x64_sys_setsockopt (net/socket.c:2412 net/socket.c:2409 net/socket.c:2409)
[   39.205116][  T348]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.205336][  T348]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.205462][  T348]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.205590][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.205716][  T348]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.205843][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.205970][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.206131][  T348] RIP: 0033:0x7fe38e35a61e
[   39.206349][  T348] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 6a f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 6a f7 ff       	call   0xfffffffffff76aac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a1                   	.byte 0xa1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a1                   	.byte 0xa1
[   39.206809][  T348] RSP: 002b:00007ffc31e816b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   39.207002][  T348] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe38e35a61e
[   39.207308][  T348] RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000005
[   39.207504][  T348] RBP: 00007ffc31e817f0 R08: 0000000000000010 R09: 0000560c6e650530
[   39.207693][  T348] R10: 00007ffc31e81730 R11: 0000000000000246 R12: 0000000000000001
[   39.207884][  T348] R13: 0000560c6e650918 R14: 0000560c6e650690 R15: 0000000000000000
| [   40.279913][  T353] ------------[ cut here ]------------
| [   40.280113][  T353] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: tcpdump/353
| [   40.280518][  T353] Modules linked in:
| [   40.281075][  T353] Tainted: [W]=WARN
[   40.281242][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.281490][  T353] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.281747][  T353] 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
[   40.282467][  T353] RSP: 0018:ffa0000000fa7950 EFLAGS: 00010286
[   40.282717][  T353] RAX: 00000000ffffffa6 RBX: ff11000017bda900 RCX: 1ff40000001f4ef0
[   40.283009][  T353] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000017bda9bc
[   40.283313][  T353] RBP: ff1100000d084000 R08: 1fe2200002f7b539 R09: ff1100000e582e58
[   40.283604][  T353] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   40.283897][  T353] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d084000
[   40.284205][  T353] FS:  00007f4d83f56a40(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   40.284545][  T353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.284793][  T353] CR2: 00007ffd5819eff0 CR3: 000000000e931005 CR4: 0000000000771ef0
[   40.285086][  T353] PKRU: 55555554
[   40.285248][  T353] Call Trace:
[   40.285395][  T353]  <TASK>
[   40.285497][  T353]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.285697][  T353]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.285895][  T353]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.286044][  T353]  __dev_notify_flags (net/core/dev.c:9787)
[   40.286238][  T353]  ? netdev_notice (net/core/dev.c:13008)
[   40.286424][  T353]  ? netif_change_name (net/core/dev.c:1495)
[   40.286627][  T353]  __dev_set_promiscuity (net/core/dev.c:9630)
[   40.286825][  T353]  netif_set_promiscuity (net/core/dev.c:9639)
[   40.287023][  T353]  dev_set_promiscuity (net/core/dev_api.c:288)
[   40.287478][  T353]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.287676][  T353]  packet_mc_add (net/packet/af_packet.c:3728)
[   40.287877][  T353]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.288074][  T353]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.288291][  T353]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   40.288489][  T353]  packet_setsockopt (net/packet/af_packet.c:3813)
[   40.288684][  T353]  ? packet_bind (net/packet/af_packet.c:3314)
[   40.288878][  T353]  ? do_sock_getsockopt (net/socket.c:2468)
[   40.289079][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5844 (discriminator 1))
[   40.289294][  T353]  ? sock_poll (net/socket.c:1502)
[   40.289494][  T353]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.289737][  T353]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   40.289933][  T353]  do_sock_setsockopt (net/socket.c:2381)
[   40.290131][  T353]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   40.290349][  T353]  ? __sys_getsockopt (net/socket.c:2518 (discriminator 3))
[   40.290546][  T353]  __sys_setsockopt (net/socket.c:2406)
[   40.290743][  T353]  __x64_sys_setsockopt (net/socket.c:2412 net/socket.c:2409 net/socket.c:2409)
[   40.290935][  T353]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.291189][  T353]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   40.291378][  T353]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   40.291574][  T353]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.291771][  T353]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.291966][  T353]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.292165][  T353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.292419][  T353] RIP: 0033:0x7f4d8419261e
[   40.292627][  T353] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 6a f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 6a f7 ff       	call   0xfffffffffff76aac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a1                   	.byte 0xa1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a1                   	.byte 0xa1
[   40.293341][  T353] RSP: 002b:00007ffd581a01d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   40.293641][  T353] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4d8419261e
[   40.293931][  T353] RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000005
[   40.294239][  T353] RBP: 00007ffd581a0310 R08: 0000000000000010 R09: 000055d16576a530
[   40.294537][  T353] R10: 00007ffd581a0250 R11: 0000000000000246 R12: 0000000000000001
[   40.294827][  T353] R13: 000055d16576a918 R14: 000055d16576a690 R15: 0000000000000000
| [   45.257657][  T348] ------------[ cut here ]------------
| [   45.257800][  T348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: tcpdump/348
| [   45.258075][  T348] Modules linked in:
| [   45.258824][  T348] Tainted: [W]=WARN
[   45.258928][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.259103][  T348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.259296][  T348] 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
[   45.259779][  T348] RSP: 0018:ffa0000000d07a70 EFLAGS: 00010286
[   45.259952][  T348] RAX: 00000000ffffffa6 RBX: ff1100000e6898c0 RCX: 1ff40000001a0f14
[   45.260161][  T348] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e68997c
[   45.260370][  T348] RBP: ff1100000f5f4000 R08: 1fe2200001cd1331 R09: ff1100000a1eae80
[   45.260571][  T348] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   45.260771][  T348] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bf8e820
[   45.260977][  T348] FS:  00007fe38e11ea40(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   45.261226][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.261396][  T348] CR2: 000055bcb7f3cd5c CR3: 000000000fd4c001 CR4: 0000000000771ef0
[   45.261599][  T348] PKRU: 55555554
[   45.261702][  T348] Call Trace:
[   45.261804][  T348]  <TASK>
[   45.261877][  T348]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.262015][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.262160][  T348]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.262273][  T348]  __dev_notify_flags (net/core/dev.c:9787)
[   45.262409][  T348]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   45.262545][  T348]  ? netdev_notice (net/core/dev.c:13008)
[   45.262681][  T348]  ? netif_change_name (net/core/dev.c:1495)
[   45.262818][  T348]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   45.262988][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   45.263125][  T348]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   45.263271][  T348]  ? packet_release (./include/linux/netdevice.h:4502 ./include/linux/netdevice.h:4519 ./include/linux/netdevice.h:4515 net/packet/af_packet.c:3148)
[   45.263407][  T348]  ? __fput (fs/file_table.c:510)
[   45.263512][  T348]  __dev_set_promiscuity (net/core/dev.c:9630)
[   45.263648][  T348]  netif_set_promiscuity (net/core/dev.c:9639)
[   45.263787][  T348]  dev_set_promiscuity (net/core/dev_api.c:288)
[   45.263925][  T348]  packet_release (net/packet/af_packet.c:3780 net/packet/af_packet.c:3153)
[   45.264064][  T348]  ? packet_set_ring (net/packet/af_packet.c:652)
[   45.264210][  T348]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[   45.264383][  T348]  __sock_release (net/socket.c:722)
[   45.264519][  T348]  sock_close (net/socket.c:1514 (discriminator 1))
[   45.264622][  T348]  __fput (fs/file_table.c:510)
[   45.264728][  T348]  fput_close_sync (fs/file_table.c:615)
[   45.264864][  T348]  ? alloc_file_clone (fs/file_table.c:477)
[   45.264999][  T348]  ? 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)
[   45.265135][  T348]  __x64_sys_close (fs/open.c:1507 fs/open.c:1492 fs/open.c:1492)
[   45.265281][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.265419][  T348]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.265556][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.265691][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.265862][  T348] RIP: 0033:0x7fe38e2d108e
[   45.266006][  T348] 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
[   45.266502][  T348] RSP: 002b:00007ffc31e81820 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[   45.266710][  T348] RAX: ffffffffffffffda RBX: 0000560c6e650690 RCX: 00007fe38e2d108e
[   45.266911][  T348] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[   45.267116][  T348] RBP: 00007ffc31e81830 R08: 0000000000000000 R09: 0000000000000000
[   45.267326][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   45.267529][  T348] R13: 00000000fffffffe R14: 0000560c32bfb760 R15: 0000000000000001
| [   46.336396][  T353] ------------[ cut here ]------------
| [   46.336531][  T353] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: tcpdump/353
| [   46.336795][  T353] Modules linked in:
| [   46.337457][  T353] Tainted: [W]=WARN
[   46.337564][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.337731][  T353] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.337907][  T353] 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
[   46.338450][  T353] RSP: 0018:ffa0000000fa7a70 EFLAGS: 00010286
[   46.338620][  T353] RAX: 00000000ffffffa6 RBX: ff11000011ceb700 RCX: 1ff40000001f4f14
[   46.338818][  T353] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011ceb7bc
[   46.339020][  T353] RBP: ff1100000d084000 R08: 1fe220000239d6f9 R09: ff1100000e582e80
[   46.339334][  T353] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   46.339535][  T353] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000019545d20
[   46.339789][  T353] FS:  00007f4d83f56a40(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   46.340028][  T353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.340260][  T353] CR2: 000055bcb7deb130 CR3: 000000000e931006 CR4: 0000000000771ef0
[   46.340463][  T353] PKRU: 55555554
[   46.340568][  T353] Call Trace:
[   46.340669][  T353]  <TASK>
[   46.340742][  T353]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.340878][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.341015][  T353]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.341118][  T353]  __dev_notify_flags (net/core/dev.c:9787)
[   46.341313][  T353]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   46.341450][  T353]  ? netdev_notice (net/core/dev.c:13008)
[   46.341586][  T353]  ? netif_change_name (net/core/dev.c:1495)
[   46.341721][  T353]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   46.341889][  T353]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   46.342023][  T353]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   46.342167][  T353]  ? packet_release (./include/linux/netdevice.h:4502 ./include/linux/netdevice.h:4519 ./include/linux/netdevice.h:4515 net/packet/af_packet.c:3148)
[   46.342360][  T353]  ? __fput (fs/file_table.c:510)
[   46.342464][  T353]  __dev_set_promiscuity (net/core/dev.c:9630)
[   46.342598][  T353]  netif_set_promiscuity (net/core/dev.c:9639)
[   46.342737][  T353]  dev_set_promiscuity (net/core/dev_api.c:288)
[   46.342872][  T353]  packet_release (net/packet/af_packet.c:3780 net/packet/af_packet.c:3153)
[   46.343009][  T353]  ? packet_set_ring (net/packet/af_packet.c:652)
[   46.343144][  T353]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[   46.343374][  T353]  __sock_release (net/socket.c:722)
[   46.343510][  T353]  sock_close (net/socket.c:1514 (discriminator 1))
[   46.343610][  T353]  __fput (fs/file_table.c:510)
[   46.343715][  T353]  fput_close_sync (fs/file_table.c:615)
[   46.343847][  T353]  ? alloc_file_clone (fs/file_table.c:477)
[   46.343983][  T353]  ? 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)
[   46.344121][  T353]  __x64_sys_close (fs/open.c:1507 fs/open.c:1492 fs/open.c:1492)
[   46.344316][  T353]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.344453][  T353]  ? irq_exit_rcu (kernel/softirq.c:754)
[   46.344589][  T353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.344755][  T353] RIP: 0033:0x7f4d8410908e
[   46.344898][  T353] 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
[   46.345437][  T353] RSP: 002b:00007ffd581a0340 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[   46.345642][  T353] RAX: ffffffffffffffda RBX: 000055d16576a690 RCX: 00007f4d8410908e
[   46.345845][  T353] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[   46.346044][  T353] RBP: 00007ffd581a0350 R08: 0000000000000000 R09: 0000000000000000
[   46.346253][  T353] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   46.346454][  T353] R13: 00000000fffffffe R14: 000055d131d7e760 R15: 0000000000000001
| [   54.691927][  T374] ------------[ cut here ]------------
| [   54.692113][  T374] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/374
| [   54.692730][  T374] Modules linked in:
| [   54.693111][  T374] Tainted: [W]=WARN
[   54.693221][  T374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.693384][  T374] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.693557][  T374] 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
[   54.694022][  T374] RSP: 0018:ffa0000001067020 EFLAGS: 00010286
[   54.694196][  T374] RAX: 00000000ffffffa6 RBX: ff11000019d41a80 RCX: 1ff400000020cdca
[   54.694393][  T374] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000019d41b3c
[   54.694587][  T374] RBP: ff1100000d084000 R08: 1fe22000033a8369 R09: ff1100000ea4d158
[   54.694782][  T374] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   54.694978][  T374] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   54.695174][  T374] FS:  00007fd0f0d6b840(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   54.695412][  T374] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.695580][  T374] CR2: 0000000012c2f988 CR3: 000000000c194005 CR4: 0000000000771ef0
[   54.695780][  T374] PKRU: 55555554
[   54.695880][  T374] Call Trace:
[   54.695978][  T374]  <TASK>
[   54.696047][  T374]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.696189][  T374]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.696291][  T374]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   54.696422][  T374]  __dev_notify_flags (net/core/dev.c:9787)
[   54.696558][  T374]  ? netif_change_name (net/core/dev.c:1495)
[   54.696689][  T374]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   54.696821][  T374]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   54.696951][  T374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.697081][  T374]  ? 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))
[   54.697226][  T374]  netif_change_flags (net/core/dev.c:9820)
[   54.697358][  T374]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   54.697490][  T374]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   54.697623][  T374]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   54.697754][  T374]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.697920][  T374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.698053][  T374]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.698192][  T374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.698322][  T374]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.698453][  T374]  ? __kernel_text_address (kernel/extable.c:79)
[   54.698585][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.698717][  T374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.698847][  T374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.698979][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.699109][  T374]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.699252][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.699381][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.699510][  T374]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   54.699642][  T374]  ? __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)
[   54.699777][  T374]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   54.699908][  T374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.700039][  T374]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   54.700173][  T374]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   54.700312][  T374]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   54.700444][  T374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.700573][  T374]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.700702][  T374]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.700833][  T374]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.700962][  T374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.701096][  T374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.701239][  T374]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.701368][  T374]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.701497][  T374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.701629][  T374]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.701760][  T374]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.701893][  T374]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.702025][  T374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.702155][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.702296][  T374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.702426][  T374]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.702557][  T374]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.702689][  T374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.702821][  T374]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.702956][  T374]  ? 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))
[   54.703085][  T374]  ? 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))
[   54.703225][  T374]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.703357][  T374]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.703487][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.703619][  T374]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.703752][  T374]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.703882][  T374]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.704016][  T374]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.704148][  T374]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.704292][  T374]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.704453][  T374]  ? move_addr_to_kernel (net/socket.c:258)
[   54.704585][  T374]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.704718][  T374]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.704850][  T374]  ___sys_sendmsg (net/socket.c:2752)
[   54.704980][  T374]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   54.705142][  T374]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.705293][  T374]  __sys_sendmsg (net/socket.c:2784)
[   54.705426][  T374]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.705556][  T374]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   54.705722][  T374]  ? 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)
[   54.705854][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.705988][  T374]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.706118][  T374]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.706260][  T374]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.706389][  T374]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.706550][  T374] RIP: 0033:0x7fd0f0fa508e
[   54.706688][  T374] 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
[   54.707156][  T374] RSP: 002b:00007fffdaf73b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.707359][  T374] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd0f0fa508e
[   54.707553][  T374] RDX: 0000000000000000 RSI: 00007fffdaf73bb0 RDI: 0000000000000005
[   54.707749][  T374] RBP: 00007fffdaf73b10 R08: 0000000000000000 R09: 0000000000000000
[   54.707944][  T374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e2b8
[   54.708139][  T374] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdaf74280
| [   54.711435][   T45] ------------[ cut here ]------------
| [   54.711562][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/45
| [   54.711804][   T45] Modules linked in:
| [   54.712212][   T45] Tainted: [W]=WARN
[   54.712304][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.712455][   T45] Workqueue: events_unbound linkwatch_event
[   54.712610][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.712767][   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
[   54.713216][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   54.713367][   T45] RAX: 00000000ffffffa6 RBX: ff1100001882fa80 RCX: 1ff4000000063f02
[   54.713546][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001882fb3c
[   54.713726][   T45] RBP: ff1100000d081000 R08: 1fe2200003105f69 R09: ff110000020051a8
[   54.713905][   T45] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   54.714087][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.714283][   T45] FS:  0000000000000000(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   54.714494][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.714649][   T45] CR2: 0000000012c2f988 CR3: 000000000c194005 CR4: 0000000000771ef0
[   54.714832][   T45] PKRU: 55555554
[   54.714923][   T45] Call Trace:
[   54.715017][   T45]  <TASK>
[   54.715080][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.715213][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.715338][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.715430][   T45]  netif_state_change (net/core/dev.c:1605)
[   54.715551][   T45]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   54.715673][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   54.715825][   T45]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   54.715947][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   54.716068][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   54.716198][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.716324][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   54.716444][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   54.716565][   T45]  process_one_work (kernel/workqueue.c:3314)
[   54.716691][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.716811][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.716937][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.717062][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.717193][   T45]  kthread (kernel/kthread.c:436)
[   54.717286][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.717436][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.717556][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.717679][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.717914][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.718034][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.718154][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.815138][  T377] ------------[ cut here ]------------
| [   54.815307][  T377] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: tcpdump/377
| [   54.815561][  T377] Modules linked in:
| [   54.815924][  T377] Tainted: [W]=WARN
[   54.816021][  T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.816218][  T377] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.816385][  T377] 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
[   54.816845][  T377] RSP: 0018:ffa0000001067950 EFLAGS: 00010286
[   54.817005][  T377] RAX: 00000000ffffffa6 RBX: ff1100001882e740 RCX: 1ff400000020cef0
[   54.817212][  T377] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001882e7fc
[   54.817404][  T377] RBP: ff1100000f5f4000 R08: 1fe2200003105d01 R09: ff1100000e88ae58
[   54.817595][  T377] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   54.817787][  T377] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5f4000
[   54.817980][  T377] FS:  00007f632c7b5a40(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   54.818218][  T377] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.818379][  T377] CR2: 00007ffebd991a38 CR3: 0000000004bd3006 CR4: 0000000000771ef0
[   54.818573][  T377] PKRU: 55555554
[   54.818670][  T377] Call Trace:
[   54.818766][  T377]  <TASK>
[   54.818831][  T377]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.818962][  T377]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.819092][  T377]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.819200][  T377]  __dev_notify_flags (net/core/dev.c:9787)
[   54.819330][  T377]  ? netdev_notice (net/core/dev.c:13008)
[   54.819461][  T377]  ? netif_change_name (net/core/dev.c:1495)
[   54.819593][  T377]  __dev_set_promiscuity (net/core/dev.c:9630)
[   54.819724][  T377]  netif_set_promiscuity (net/core/dev.c:9639)
[   54.819852][  T377]  dev_set_promiscuity (net/core/dev_api.c:288)
[   54.819982][  T377]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   54.820111][  T377]  packet_mc_add (net/packet/af_packet.c:3728)
[   54.820251][  T377]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.820380][  T377]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.820510][  T377]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   54.820640][  T377]  packet_setsockopt (net/packet/af_packet.c:3813)
[   54.820771][  T377]  ? packet_bind (net/packet/af_packet.c:3314)
[   54.820901][  T377]  ? do_sock_getsockopt (net/socket.c:2468)
[   54.821031][  T377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5844 (discriminator 1))
[   54.821163][  T377]  ? sock_poll (net/socket.c:1502)
[   54.821303][  T377]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.821463][  T377]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.821591][  T377]  do_sock_setsockopt (net/socket.c:2381)
[   54.821720][  T377]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   54.821849][  T377]  ? __sys_getsockopt (net/socket.c:2518 (discriminator 3))
[   54.821979][  T377]  __sys_setsockopt (net/socket.c:2406)
[   54.822109][  T377]  __x64_sys_setsockopt (net/socket.c:2412 net/socket.c:2409 net/socket.c:2409)
[   54.822248][  T377]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.822409][  T377]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.822538][  T377]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.822665][  T377]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.822790][  T377]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.822917][  T377]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.823046][  T377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.823217][  T377] RIP: 0033:0x7f632c9f161e
[   54.823353][  T377] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 6a f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 6a f7 ff       	call   0xfffffffffff76aac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a1                   	.byte 0xa1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a1                   	.byte 0xa1
[   54.823809][  T377] RSP: 002b:00007ffebd992a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   54.824000][  T377] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f632c9f161e
[   54.824197][  T377] RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000005
[   54.824385][  T377] RBP: 00007ffebd992b80 R08: 0000000000000010 R09: 000055e00f680530
[   54.824577][  T377] R10: 00007ffebd992ac0 R11: 0000000000000246 R12: 0000000000000001
[   54.824768][  T377] R13: 000055e00f680918 R14: 000055e00f680690 R15: 0000000000000000
| [   58.809662][  T377] ------------[ cut here ]------------
| [   58.809794][  T377] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: tcpdump/377
| [   58.810047][  T377] Modules linked in:
| [   58.810423][  T377] Tainted: [W]=WARN
[   58.810521][  T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.810681][  T377] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.810847][  T377] 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
[   58.811311][  T377] RSP: 0018:ffa0000001067a70 EFLAGS: 00010286
[   58.811473][  T377] RAX: 00000000ffffffa6 RBX: ff11000004e9d1c0 RCX: 1ff400000020cf14
[   58.811665][  T377] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e9d27c
[   58.811859][  T377] RBP: ff1100000f5f4000 R08: 1fe22000009d3a51 R09: ff1100000e88ae80
[   58.812049][  T377] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   58.812257][  T377] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bd76820
[   58.812449][  T377] FS:  00007f632c7b5a40(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   58.812674][  T377] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.812835][  T377] CR2: 000055bcb7f3cd5c CR3: 0000000004bd3004 CR4: 0000000000771ef0
[   58.813025][  T377] PKRU: 55555554
[   58.813122][  T377] Call Trace:
[   58.813229][  T377]  <TASK>
[   58.813296][  T377]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.813431][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.813562][  T377]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.813660][  T377]  __dev_notify_flags (net/core/dev.c:9787)
[   58.813789][  T377]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   58.813920][  T377]  ? netdev_notice (net/core/dev.c:13008)
[   58.814046][  T377]  ? netif_change_name (net/core/dev.c:1495)
[   58.814171][  T377]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   58.814343][  T377]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.814472][  T377]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   58.814599][  T377]  ? packet_release (./include/linux/netdevice.h:4502 ./include/linux/netdevice.h:4519 ./include/linux/netdevice.h:4515 net/packet/af_packet.c:3148)
[   58.814730][  T377]  ? __fput (fs/file_table.c:510)
[   58.814828][  T377]  __dev_set_promiscuity (net/core/dev.c:9630)
[   58.814955][  T377]  netif_set_promiscuity (net/core/dev.c:9639)
[   58.815083][  T377]  dev_set_promiscuity (net/core/dev_api.c:288)
[   58.815219][  T377]  packet_release (net/packet/af_packet.c:3780 net/packet/af_packet.c:3153)
[   58.815347][  T377]  ? packet_set_ring (net/packet/af_packet.c:652)
[   58.815475][  T377]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[   58.815634][  T377]  __sock_release (net/socket.c:722)
[   58.815764][  T377]  sock_close (net/socket.c:1514 (discriminator 1))
[   58.815858][  T377]  __fput (fs/file_table.c:510)
[   58.815957][  T377]  fput_close_sync (fs/file_table.c:615)
[   58.816087][  T377]  ? alloc_file_clone (fs/file_table.c:477)
[   58.816226][  T377]  ? 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)
[   58.816356][  T377]  __x64_sys_close (fs/open.c:1507 fs/open.c:1492 fs/open.c:1492)
[   58.816483][  T377]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.816611][  T377]  ? irq_exit_rcu (kernel/softirq.c:754)
[   58.816738][  T377]  ? common_interrupt (arch/x86/kernel/irq.c:326 (discriminator 18))
[   58.816864][  T377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.817024][  T377] RIP: 0033:0x7f632c96808e
[   58.817162][  T377] 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
[   58.817623][  T377] RSP: 002b:00007ffebd992bb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[   58.817816][  T377] RAX: ffffffffffffffda RBX: 000055e00f680690 RCX: 00007f632c96808e
[   58.818006][  T377] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[   58.818205][  T377] RBP: 00007ffebd992bc0 R08: 0000000000000000 R09: 0000000000000000
[   58.818393][  T377] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   58.818588][  T377] R13: 00000000fffffffe R14: 000055e00824e760 R15: 0000000000000001
| [   66.654618][   T12] ------------[ cut here ]------------
| [   66.654774][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.655016][   T12] Modules linked in:
| [   66.655927][   T12] Tainted: [W]=WARN
[   66.656018][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.656213][   T12] Workqueue: netns cleanup_net
[   66.656351][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.656502][   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
[   66.656910][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.657056][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c919a80 RCX: 1ff4000000018eed
[   66.657273][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c919b3c
[   66.657444][   T12] RBP: ff11000002639000 R08: 1fe2200001923369 R09: ff11000001aed1d0
[   66.657620][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.657794][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.657967][   T12] FS:  0000000000000000(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   66.658167][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.658324][   T12] CR2: 00007f150c968000 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.658502][   T12] PKRU: 55555554
[   66.658592][   T12] Call Trace:
[   66.658678][   T12]  <TASK>
[   66.658740][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.658889][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.659034][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.659151][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.659285][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.659404][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.659523][   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)
[   66.659640][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.659758][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.659872][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.659990][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.660104][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.660231][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.660349][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.660466][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.660582][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.660699][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.660813][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.660931][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.661050][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.661165][   T12]  kthread (kernel/kthread.c:436)
[   66.661263][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.661407][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.661523][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.661640][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.661782][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.661897][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.662014][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.664379][   T12] ------------[ cut here ]------------
| [   66.664499][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.664799][   T12] Modules linked in:
| [   66.665157][   T12] Tainted: [W]=WARN
[   66.665396][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.665542][   T12] Workqueue: netns cleanup_net
[   66.665662][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.665811][   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
[   66.666275][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.666466][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c919540 RCX: 1ff4000000018eed
[   66.666639][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9195fc
[   66.666811][   T12] RBP: ff11000009dd9000 R08: 1fe22000019232c1 R09: ff11000001aed1d0
[   66.666983][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.667156][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.667402][   T12] FS:  0000000000000000(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   66.667604][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.667820][   T12] CR2: 00007f150c968000 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.667995][   T12] PKRU: 55555554
[   66.668084][   T12] Call Trace:
[   66.668169][   T12]  <TASK>
[   66.668304][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.668455][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.668597][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.668714][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.668830][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.668948][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.669133][   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)
[   66.669317][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.669434][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.669548][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.669669][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.669784][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.669966][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.670082][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.670269][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.670389][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.670507][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.670721][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.670852][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.670976][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.671091][   T12]  kthread (kernel/kthread.c:436)
[   66.671245][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.671392][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.671513][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.671628][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.671773][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.671890][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.672006][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.674827][   T12] ------------[ cut here ]------------
| [   66.674945][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.675171][   T12] Modules linked in:
| [   66.675950][   T12] Tainted: [W]=WARN
[   66.676037][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.676229][   T12] Workqueue: netns cleanup_net
[   66.676351][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.676502][   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
[   66.676913][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.677057][   T12] RAX: 00000000ffffffa6 RBX: ff110000196d7540 RCX: 1ff4000000018eed
[   66.677281][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000196d75fc
[   66.677499][   T12] RBP: ff110000059d4000 R08: 1fe22000032daec1 R09: ff11000001aed1d0
[   66.677669][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.677843][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.678013][   T12] FS:  0000000000000000(0000) GS:ff110000cbcc7000(0000) knlGS:0000000000000000
[   66.678261][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.678406][   T12] CR2: 00007f150c968000 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.678577][   T12] PKRU: 55555554
[   66.678663][   T12] Call Trace:
[   66.678749][   T12]  <TASK>
[   66.678809][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.678957][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.679098][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.679262][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.679378][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.679491][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.679608][   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)
[   66.679730][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.679848][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.679962][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.680080][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.680315][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.680431][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.680547][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.680660][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.680777][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.680897][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.681013][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.681252][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.681370][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.681483][   T12]  kthread (kernel/kthread.c:436)
[   66.681571][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.681717][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.681831][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.681946][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.682160][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.682322][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.682436][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.684853][   T12] ------------[ cut here ]------------
| [   66.685012][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   66.685335][   T12] Modules linked in:
| [   66.685782][   T12] Tainted: [W]=WARN
[   66.685912][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.686099][   T12] Workqueue: netns cleanup_net
[   66.686284][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.686481][   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
[   66.686926][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.687114][   T12] RAX: 00000000ffffffa6 RBX: ff110000196d6580 RCX: 1ff4000000018eed
[   66.687345][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000196d663c
[   66.687560][   T12] RBP: ff11000009389000 R08: 1fe22000032dacc9 R09: ff11000001aed1d0
[   66.687771][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   66.687983][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.688209][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   66.688457][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.688643][   T12] CR2: 00007fb4f2067888 CR3: 0000000013f0a003 CR4: 0000000000771ef0
[   66.688856][   T12] PKRU: 55555554
[   66.688987][   T12] Call Trace:
[   66.689115][   T12]  <TASK>
[   66.689236][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.689428][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.689612][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.689772][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.689931][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.690088][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.690265][   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)
[   66.690429][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.690589][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.690745][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.690906][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.691066][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.691242][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.691404][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.691563][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.691724][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.691899][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.692059][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.692240][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.692403][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.692564][   T12]  kthread (kernel/kthread.c:436)
[   66.692697][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.692882][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.693042][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.693214][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.693410][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.693570][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.693730][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.696321][   T12] ------------[ cut here ]------------
| [   66.696481][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   66.696816][   T12] Modules linked in:
| [   66.697268][   T12] Tainted: [W]=WARN
[   66.697399][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.697620][   T12] Workqueue: netns cleanup_net
[   66.697782][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.697971][   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
[   66.698472][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.698660][   T12] RAX: 00000000ffffffa6 RBX: ff110000196d7e00 RCX: 1ff4000000018eed
[   66.698870][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000196d7ebc
[   66.699082][   T12] RBP: ff1100000936c000 R08: 1fe22000032dafd9 R09: ff11000001aed1d0
[   66.699314][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   66.699523][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.699736][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   66.699978][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.700162][   T12] CR2: 00007fb4f2067888 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.700395][   T12] PKRU: 55555554
[   66.700522][   T12] Call Trace:
[   66.700650][   T12]  <TASK>
[   66.700752][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.700942][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.701129][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.701309][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.701468][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.701623][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.701782][   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)
[   66.701940][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.702100][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.702279][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.702441][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.702599][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.702755][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.702914][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.703071][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.703250][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.703417][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.703574][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.703736][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.703897][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.704057][   T12]  kthread (kernel/kthread.c:436)
[   66.704200][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.704393][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.704556][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.704714][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.704899][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.705057][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.705260][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.715928][   T12] ------------[ cut here ]------------
| [   66.716095][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   66.716841][   T12] Modules linked in:
| [   66.717626][   T12] Tainted: [W]=WARN
[   66.717762][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.717957][   T12] Workqueue: netns cleanup_net
[   66.718132][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.718357][   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
[   66.718832][   T12] RSP: 0018:ffa00000000c76f8 EFLAGS: 00010286
[   66.719031][   T12] RAX: 00000000ffffffa6 RBX: ff110000196d7700 RCX: 1ff4000000018ea5
[   66.719278][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000196d77bc
[   66.719502][   T12] RBP: ff110000188cc000 R08: 1fe22000032daef9 R09: ff11000001aed1f8
[   66.719726][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   66.719947][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   66.720174][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   66.720505][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.720702][   T12] CR2: 00007fb4f2067888 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.720929][   T12] PKRU: 55555554
[   66.721063][   T12] Call Trace:
[   66.721212][   T12]  <TASK>
[   66.721324][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.721493][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.721632][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.721800][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.721968][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   66.722133][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.722319][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.722493][   T12]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.722663][   T12]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   66.722887][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   66.723088][   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)
[   66.723272][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.723468][   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)
[   66.723635][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.723831][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.724028][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.724210][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.724388][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.724555][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.724725][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.724899][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.725070][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.725256][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.725428][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.725598][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.725765][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.725932][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.726098][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.726291][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.726464][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.726632][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.726805][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.726975][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.727143][   T12]  kthread (kernel/kthread.c:436)
[   66.727298][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.727499][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.727667][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.727837][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.728032][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.728212][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.728386][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.731142][   T12] ------------[ cut here ]------------
| [   66.731319][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   66.731599][   T12] Modules linked in:
| [   66.732048][   T12] Tainted: [W]=WARN
[   66.732194][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.732393][   T12] Workqueue: netns cleanup_net
[   66.732561][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.732760][   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
[   66.733252][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.733446][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c07e200 RCX: 1ff4000000018eaf
[   66.733742][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c07e2bc
[   66.733965][   T12] RBP: ff1100000d081000 R08: 1fe220000180fc59 R09: ff11000001aed1d0
[   66.734198][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   66.734425][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5f1000
[   66.734645][   T12] FS:  0000000000000000(0000) GS:ff110000cbdc7000(0000) knlGS:0000000000000000
[   66.734896][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.735088][   T12] CR2: 00007fb4f2067888 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.735382][   T12] PKRU: 55555554
[   66.735560][   T12] Call Trace:
[   66.735740][   T12]  <TASK>
[   66.735891][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.736102][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.736305][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.736519][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.736728][   T12]  ? netif_close_many_and_unlock (./include/linux/netdevice.h:2835 net/core/dev.c:12334)
[   66.736981][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.737240][   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)
[   66.737452][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.737699][   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)
[   66.737912][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.738120][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.738391][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.738614][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.738824][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.739033][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.739262][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.739480][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.739694][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.739902][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.740115][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.740344][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.740554][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.740764][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.740975][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.741200][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.741421][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.741630][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.741844][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.742057][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.742284][   T12]  kthread (kernel/kthread.c:436)
[   66.742468][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.742707][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.742916][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.743128][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.743387][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.743625][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.743836][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.747133][   T12] ------------[ cut here ]------------
| [   66.747288][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.747526][   T12] Modules linked in:
| [   66.747885][   T12] Tainted: [W]=WARN
[   66.747974][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.748121][   T12] Workqueue: netns cleanup_net
[   66.748260][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.748419][   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
[   66.748837][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.748984][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0ec040 RCX: 1ff4000000018eaf
[   66.749160][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0ec0fc
[   66.749345][   T12] RBP: ff1100000f5f1000 R08: 1fe2200001a1d821 R09: ff11000001aed1d0
[   66.749520][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   66.749695][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5f4000
[   66.749872][   T12] FS:  0000000000000000(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   66.750077][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.750237][   T12] CR2: 000055bcb7f3cd5c CR3: 000000000dfad006 CR4: 0000000000771ef0
[   66.750413][   T12] PKRU: 55555554
[   66.750501][   T12] Call Trace:
[   66.750589][   T12]  <TASK>
[   66.750656][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.750776][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   66.750895][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.750985][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.751105][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.751233][   T12]  ? netif_close_many_and_unlock (./include/linux/netdevice.h:2835 net/core/dev.c:12334)
[   66.751382][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.751532][   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)
[   66.751649][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.751795][   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)
[   66.751912][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.752029][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.752176][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.752318][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.752440][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.752559][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.752677][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.752796][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.752917][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.753033][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.753153][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.753286][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.753404][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.753522][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.753639][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.753759][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.753879][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.753997][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.754119][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.754253][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.754371][   T12]  kthread (kernel/kthread.c:436)
[   66.754459][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.754605][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.754727][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.754846][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.754993][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.755111][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.755242][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.759029][   T12] ------------[ cut here ]------------
| [   66.759165][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.759488][   T12] Modules linked in:
| [   66.759862][   T12] Tainted: [W]=WARN
[   66.759951][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.760102][   T12] Workqueue: netns cleanup_net
[   66.760242][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.760398][   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
[   66.760813][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.760958][   T12] RAX: 00000000ffffffa6 RBX: ff1100001acf4900 RCX: 1ff4000000018eaf
[   66.761140][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001acf49bc
[   66.761327][   T12] RBP: ff1100000f5f4000 R08: 1fe220000359e939 R09: ff11000001aed1d0
[   66.761502][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   66.761677][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008901000
[   66.761853][   T12] FS:  0000000000000000(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   66.762057][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.762211][   T12] CR2: 000055bcb7f3cd5c CR3: 000000000dfad006 CR4: 0000000000771ef0
[   66.762395][   T12] PKRU: 55555554
[   66.762483][   T12] Call Trace:
[   66.762571][   T12]  <TASK>
[   66.762632][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.762750][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   66.762867][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.762956][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.763076][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.763200][   T12]  ? netif_close_many_and_unlock (./include/linux/netdevice.h:2835 net/core/dev.c:12334)
[   66.763354][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.763503][   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)
[   66.763620][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.763766][   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)
[   66.763882][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.763999][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.764146][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.764279][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.764400][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.764517][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.764634][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.764753][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.764874][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.764991][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.765112][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.765242][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.765360][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.765480][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.765596][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.765714][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.765834][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.765952][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.766074][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.766199][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.766328][   T12]  kthread (kernel/kthread.c:436)
[   66.766420][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.766577][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.766703][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.766822][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.766970][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.767087][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.767211][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.771672][   T12] ------------[ cut here ]------------
| [   66.771803][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.772042][   T12] Modules linked in:
| [   66.772423][   T12] Tainted: [W]=WARN
[   66.772513][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.772662][   T12] Workqueue: netns cleanup_net
[   66.772785][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.772940][   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
[   66.773375][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.773529][   T12] RAX: 00000000ffffffa6 RBX: ff11000011fd0ac0 RCX: 1ff4000000018eaf
[   66.773709][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011fd0b7c
[   66.773886][   T12] RBP: ff11000008901000 R08: 1fe22000023fa171 R09: ff11000001aed1d0
[   66.774064][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   66.774253][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   66.774433][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.774640][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.774790][   T12] CR2: 00007f322b73a55f CR3: 00000000195bd001 CR4: 0000000000771ef0
[   66.774968][   T12] PKRU: 55555554
[   66.775057][   T12] Call Trace:
[   66.775146][   T12]  <TASK>
[   66.775213][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.775336][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   66.775456][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.775547][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.775667][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.775787][   T12]  ? netif_close_many_and_unlock (./include/linux/netdevice.h:2835 net/core/dev.c:12334)
[   66.775935][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.776084][   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)
[   66.776268][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.776416][   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)
[   66.776533][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.776652][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.776800][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.776921][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.777041][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.777160][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.777365][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.777485][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.777606][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.777724][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.777843][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.777963][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.778079][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.778267][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.778443][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.778562][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.778684][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.778802][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.778924][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.779045][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.779163][   T12]  kthread (kernel/kthread.c:436)
[   66.779271][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.779419][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.779538][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.779659][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.779807][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.779924][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.780042][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.782095][   T12] ------------[ cut here ]------------
| [   66.782224][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.782453][   T12] Modules linked in:
| [   66.782801][   T12] Tainted: [W]=WARN
[   66.782886][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.783028][   T12] Workqueue: netns cleanup_net
[   66.783145][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.783377][   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
[   66.783798][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.783940][   T12] RAX: 00000000ffffffa6 RBX: ff11000011fd1a80 RCX: 1ff4000000018ed5
[   66.784110][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011fd1b3c
[   66.784290][   T12] RBP: ff110000188cc000 R08: 1fe22000023fa369 R09: ff11000001aed1d0
[   66.784462][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   66.784630][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.784800][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.784998][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.785141][   T12] CR2: 00007f322b73a55f CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.785324][   T12] PKRU: 55555554
[   66.785408][   T12] Call Trace:
[   66.785493][   T12]  <TASK>
[   66.785553][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.785701][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.785847][   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)
[   66.785964][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.786079][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.786243][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.786357][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.786475][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.786591][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.786711][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.786829][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.786941][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.787059][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.787174][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.787300][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.787416][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.787532][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.787647][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.787770][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.787884][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.788003][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.788121][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.788244][   T12]  kthread (kernel/kthread.c:436)
[   66.788330][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.788473][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.788588][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.788703][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.788847][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.788962][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.789076][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.798858][   T12] ------------[ cut here ]------------
| [   66.798978][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.799603][   T12] Modules linked in:
| [   66.799959][   T12] Tainted: [W]=WARN
[   66.800045][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.800238][   T12] Workqueue: netns cleanup_net
[   66.800362][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.800512][   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
[   66.800919][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.801062][   T12] RAX: 00000000ffffffa6 RBX: ff110000025e2580 RCX: 1ff4000000018ed5
[   66.801285][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000025e263c
[   66.801499][   T12] RBP: ff1100000d081000 R08: 1fe22000004bc4c9 R09: ff11000001aed1d0
[   66.801670][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   66.801841][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.802013][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.802276][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.802421][   T12] CR2: 00007f322b73a55f CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.802596][   T12] PKRU: 55555554
[   66.802682][   T12] Call Trace:
[   66.802768][   T12]  <TASK>
[   66.802828][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.802975][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.803118][   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)
[   66.803283][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.803398][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.803544][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.803661][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.803776][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.803890][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.804006][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.804123][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.804285][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.804402][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.804517][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.804630][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.804749][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.804863][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.804979][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.805096][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.805261][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.805381][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.805500][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.805615][   T12]  kthread (kernel/kthread.c:436)
[   66.805702][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.805845][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.805962][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.806081][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.806271][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.806387][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.806502][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.809446][   T12] ------------[ cut here ]------------
| [   66.809565][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.809791][   T12] Modules linked in:
| [   66.810144][   T12] Tainted: [W]=WARN
[   66.810243][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.810385][   T12] Workqueue: netns cleanup_net
[   66.810504][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.810655][   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
[   66.811066][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.811215][   T12] RAX: 00000000ffffffa6 RBX: ff110000025e3000 RCX: 1ff4000000018ed5
[   66.811393][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000025e30bc
[   66.811566][   T12] RBP: ff1100000d084000 R08: 1fe22000004bc619 R09: ff11000001aed1d0
[   66.811746][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   66.811917][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.812087][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.812301][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.812444][   T12] CR2: 00007f322b73a55f CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.812616][   T12] PKRU: 55555554
[   66.812701][   T12] Call Trace:
[   66.812786][   T12]  <TASK>
[   66.812845][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.812992][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.813136][   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)
[   66.813260][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.813376][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.813523][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.813638][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.813754][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.813869][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.813986][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.814102][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.814292][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.814410][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.814529][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.814643][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.814760][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.814875][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.814991][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.815110][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.815279][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.815398][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.815517][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.815630][   T12]  kthread (kernel/kthread.c:436)
[   66.815716][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.815860][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.815979][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.816094][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.816291][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.816461][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.816578][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.819578][   T12] ------------[ cut here ]------------
| [   66.819699][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.819926][   T12] Modules linked in:
| [   66.820577][   T12] Tainted: [W]=WARN
[   66.820664][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.820806][   T12] Workqueue: netns cleanup_net
[   66.820925][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.821076][   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
[   66.821532][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.821678][   T12] RAX: 00000000ffffffa6 RBX: ff110000025e3a80 RCX: 1ff4000000018ed5
[   66.821849][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000025e3b3c
[   66.822019][   T12] RBP: ff1100000f5f1000 R08: 1fe22000004bc769 R09: ff11000001aed1d0
[   66.822264][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   66.822494][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.822670][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.822872][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.823014][   T12] CR2: 00007f322b73a55f CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.823294][   T12] PKRU: 55555554
[   66.823380][   T12] Call Trace:
[   66.823470][   T12]  <TASK>
[   66.823530][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.823676][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.823817][   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)
[   66.823931][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.824045][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.824297][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.824414][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.824529][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.824645][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.824764][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.824880][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.824993][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.825110][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.825320][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.825434][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.825550][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.825664][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.825779][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.825897][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.826011][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.826129][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.826340][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.826455][   T12]  kthread (kernel/kthread.c:436)
[   66.826543][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.826684][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.826803][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.826917][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.827060][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.827174][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.827384][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.830299][   T12] ------------[ cut here ]------------
| [   66.830428][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.830657][   T12] Modules linked in:
| [   66.831000][   T12] Tainted: [W]=WARN
[   66.831085][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.831321][   T12] Workqueue: netns cleanup_net
[   66.831440][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.831588][   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
[   66.832003][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.832146][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c266580 RCX: 1ff4000000018ed5
[   66.832335][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c26663c
[   66.832505][   T12] RBP: ff1100000f5f4000 R08: 1fe220000184ccc9 R09: ff11000001aed1d0
[   66.832676][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   66.832846][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.833016][   T12] FS:  0000000000000000(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   66.833224][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.833367][   T12] CR2: 00007ffece3adea8 CR3: 000000000dfad006 CR4: 0000000000771ef0
[   66.833543][   T12] PKRU: 55555554
[   66.833629][   T12] Call Trace:
[   66.833715][   T12]  <TASK>
[   66.833779][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.833928][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.834070][   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)
[   66.834191][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.834309][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.834456][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.834571][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.834686][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.834802][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.834921][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.835038][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.835152][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.835279][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.835395][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.835510][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.835625][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.835740][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.835857][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.835980][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.836094][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.836225][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.836344][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.836457][   T12]  kthread (kernel/kthread.c:436)
[   66.836545][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.836686][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.836801][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.836915][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.837062][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.837177][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.837304][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.840483][   T12] ------------[ cut here ]------------
| [   66.840614][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.840848][   T12] Modules linked in:
| [   66.841300][   T12] Tainted: [W]=WARN
[   66.841387][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.841529][   T12] Workqueue: netns cleanup_net
[   66.841648][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.841798][   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
[   66.842316][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.842464][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c2671c0 RCX: 1ff4000000018ed5
[   66.842644][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c26727c
[   66.842817][   T12] RBP: ff11000008901000 R08: 1fe220000184ce51 R09: ff11000001aed1d0
[   66.842986][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   66.843154][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.843421][   T12] FS:  0000000000000000(0000) GS:ff110000cbd47000(0000) knlGS:0000000000000000
[   66.843618][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.843759][   T12] CR2: 00007ffece3adea8 CR3: 000000000dfad006 CR4: 0000000000771ef0
[   66.843933][   T12] PKRU: 55555554
[   66.844019][   T12] Call Trace:
[   66.844105][   T12]  <TASK>
[   66.844165][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.844406][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.844547][   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)
[   66.844661][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.844774][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.844918][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.845033][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.845148][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.845360][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.845477][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.845592][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.845705][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.845820][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.845934][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.846047][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.846163][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.846365][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.846482][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.846599][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.846713][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.846834][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.846952][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.847065][   T12]  kthread (kernel/kthread.c:436)
[   66.847152][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.847374][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.847489][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.847607][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.847754][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.847868][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.847982][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.890806][   T12] ------------[ cut here ]------------
| [   66.890955][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.891189][   T12] Modules linked in:
| [   66.891542][   T12] Tainted: [W]=WARN
[   66.891628][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.891771][   T12] Workqueue: netns cleanup_net
[   66.891888][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.892035][   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
[   66.892633][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.892776][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f4ce040 RCX: 1ff4000000018eed
[   66.892942][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f4ce0fc
[   66.893111][   T12] RBP: ff1100000f26c000 R08: 1fe2200001e99c21 R09: ff11000001aed1d0
[   66.893373][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   66.893544][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.893717][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.893915][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.894057][   T12] CR2: 00007f0caec5d680 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.894286][   T12] PKRU: 55555554
[   66.894371][   T12] Call Trace:
[   66.894456][   T12]  <TASK>
[   66.894516][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.894756][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.894894][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.895007][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.895121][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.895313][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.895429][   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)
[   66.895544][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.895660][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.895772][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.895888][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.896000][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.896113][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.896297][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.896411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.896527][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.896643][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.896756][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.896873][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.896989][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.897102][   T12]  kthread (kernel/kthread.c:436)
[   66.897258][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.897404][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.897519][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.897632][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.897771][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.897883][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.897997][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.900750][   T12] ------------[ cut here ]------------
| [   66.900866][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.901093][   T12] Modules linked in:
| [   66.901451][   T12] Tainted: [W]=WARN
[   66.901536][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.901676][   T12] Workqueue: netns cleanup_net
[   66.901792][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.901937][   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
[   66.902348][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.902488][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f4ce740 RCX: 1ff4000000018eed
[   66.902657][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f4ce7fc
[   66.902824][   T12] RBP: ff11000004f01000 R08: 1fe2200001e99d01 R09: ff11000001aed1d0
[   66.902994][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   66.903161][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.903416][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.903612][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.903753][   T12] CR2: 00007f0caec5d680 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.903922][   T12] PKRU: 55555554
[   66.904006][   T12] Call Trace:
[   66.904089][   T12]  <TASK>
[   66.904148][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.904360][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.904560][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.904673][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.904786][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.904899][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.905012][   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)
[   66.905126][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.905322][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.905433][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.905548][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.905660][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.905772][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.905886][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.905998][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.906113][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.906277][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.906390][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.906506][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.906622][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.906734][   T12]  kthread (kernel/kthread.c:436)
[   66.906819][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.906958][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.907073][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.907232][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.907374][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.907487][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.907599][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.910273][   T12] ------------[ cut here ]------------
| [   66.910390][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.910612][   T12] Modules linked in:
| [   66.910962][   T12] Tainted: [W]=WARN
[   66.911050][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.911199][   T12] Workqueue: netns cleanup_net
[   66.911321][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.911468][   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
[   66.911874][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.912017][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f4cee40 RCX: 1ff4000000018eed
[   66.912189][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f4ceefc
[   66.912363][   T12] RBP: ff11000005229000 R08: 1fe2200001e99de1 R09: ff11000001aed1d0
[   66.912531][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   66.912702][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.912876][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.913076][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.913273][   T12] CR2: 00007f0caec5d680 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.913447][   T12] PKRU: 55555554
[   66.913531][   T12] Call Trace:
[   66.913614][   T12]  <TASK>
[   66.913673][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.913817][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.913956][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.914070][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.914234][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.914348][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.914461][   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)
[   66.914574][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.914689][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.914800][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.914916][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.915028][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.915140][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.915308][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.915491][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.915606][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.915723][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.915836][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.915960][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.916077][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.916274][   T12]  kthread (kernel/kthread.c:436)
[   66.916360][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.916502][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.916616][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.916729][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.916872][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.916986][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.917100][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.920014][   T12] ------------[ cut here ]------------
| [   66.920128][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.920358][   T12] Modules linked in:
| [   66.920704][   T12] Tainted: [W]=WARN
[   66.920792][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.920934][   T12] Workqueue: netns cleanup_net
[   66.921050][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.921203][   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
[   66.921623][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.921770][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f4cf1c0 RCX: 1ff4000000018eed
[   66.921939][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f4cf27c
[   66.922112][   T12] RBP: ff1100000f371000 R08: 1fe2200001e99e51 R09: ff11000001aed1d0
[   66.922368][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   66.922541][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.922715][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.922914][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.923057][   T12] CR2: 00007f0caec5d680 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.923326][   T12] PKRU: 55555554
[   66.923413][   T12] Call Trace:
[   66.923498][   T12]  <TASK>
[   66.923557][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.923707][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.923848][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.923962][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.924077][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.924298][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.924502][   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)
[   66.924622][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.924739][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.924853][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.924974][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.925088][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.925297][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.925417][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.925531][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.925648][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.925767][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.925881][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.926001][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.926120][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.926335][   T12]  kthread (kernel/kthread.c:436)
[   66.926424][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.926656][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.926773][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.926892][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.927037][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.927152][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.927366][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.930075][   T12] ------------[ cut here ]------------
| [   66.930195][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.930428][   T12] Modules linked in:
| [   66.930781][   T12] Tainted: [W]=WARN
[   66.930869][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.931016][   T12] Workqueue: netns cleanup_net
[   66.931146][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.931306][   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
[   66.931723][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.931868][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f4cf540 RCX: 1ff4000000018eed
[   66.932040][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f4cf5fc
[   66.932222][   T12] RBP: ff11000005181000 R08: 1fe2200001e99ec1 R09: ff11000001aed1d0
[   66.932396][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   66.932568][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.932742][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.932943][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.933087][   T12] CR2: 00007f0caec5d680 CR3: 0000000052d4d004 CR4: 0000000000771ef0
[   66.933269][   T12] PKRU: 55555554
[   66.933355][   T12] Call Trace:
[   66.933442][   T12]  <TASK>
[   66.933503][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.933656][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.933799][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.933916][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.934033][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.934147][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.934274][   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)
[   66.934392][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.934513][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.934628][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.934747][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.934864][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.934978][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.935099][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.935225][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.935344][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.935463][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.935579][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.935699][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.935818][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.935938][   T12]  kthread (kernel/kthread.c:436)
[   66.936030][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.936174][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.936302][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.936420][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.936565][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.936680][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.936797][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.953647][   T12] ------------[ cut here ]------------
| [   66.953796][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.954044][   T12] Modules linked in:
| [   66.954988][   T12] Tainted: [W]=WARN
[   66.955085][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.955302][   T12] Workqueue: netns cleanup_net
[   66.955432][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.955593][   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
[   66.956042][   T12] RSP: 0018:ffa00000000c76f8 EFLAGS: 00010286
[   66.956207][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f4cf700 RCX: 1ff4000000018ea5
[   66.956400][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f4cf7bc
[   66.956585][   T12] RBP: ff1100000f1f9000 R08: 1fe2200001e99ef9 R09: ff11000001aed1f8
[   66.956769][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   66.956952][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   66.957138][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.957366][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.957523][   T12] CR2: 000055fcb577d2b8 CR3: 000000000c9e5004 CR4: 0000000000771ef0
[   66.957710][   T12] PKRU: 55555554
[   66.957803][   T12] Call Trace:
[   66.957895][   T12]  <TASK>
[   66.957961][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.958089][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.958192][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.958322][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.958446][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   66.958570][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.958695][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.958822][   T12]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.958949][   T12]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   66.959105][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   66.959276][   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)
[   66.959402][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.959525][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   66.959650][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.959805][   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)
[   66.959929][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.960055][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.960220][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.960346][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.960474][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.960600][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.960725][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.960852][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.960977][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.961103][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.961241][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.961368][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.961494][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.961618][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.961743][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.961868][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.961994][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.962123][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.962263][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.962392][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.962522][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.962644][   T12]  kthread (kernel/kthread.c:436)
[   66.962739][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.962896][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.963021][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.963146][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.963313][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.963438][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.963563][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.965581][   T12] ------------[ cut here ]------------
| [   66.965703][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.965938][   T12] Modules linked in:
| [   66.966766][   T12] Tainted: [W]=WARN
[   66.966859][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.967059][   T12] Workqueue: netns cleanup_net
[   66.967237][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.967398][   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
[   66.967825][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.967977][   T12] RAX: 00000000ffffffa6 RBX: ff11000018aea900 RCX: 1ff4000000018eaf
[   66.968156][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000018aea9bc
[   66.968390][   T12] RBP: ff1100000f34c000 R08: 1fe220000315d539 R09: ff11000001aed1d0
[   66.968569][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   66.968749][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   66.968928][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.969138][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.969340][   T12] CR2: 000055fcb577d2b8 CR3: 000000000c9e5004 CR4: 0000000000771ef0
[   66.969520][   T12] PKRU: 55555554
[   66.969612][   T12] Call Trace:
[   66.969701][   T12]  <TASK>
[   66.969763][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.969886][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.969977][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.970098][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.970269][   T12]  ? netif_close_many_and_unlock (./include/linux/netdevice.h:2835 net/core/dev.c:12334)
[   66.970421][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.970571][   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)
[   66.970690][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.970809][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   66.970932][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.971080][   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)
[   66.971252][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.971372][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.971522][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.971646][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.971771][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.971894][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.972014][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.972133][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.972308][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.972431][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.972549][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.972670][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.972792][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.972915][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.973041][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.973161][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.973346][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.973469][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.973588][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.973714][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.973839][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.973958][   T12]  kthread (kernel/kthread.c:436)
[   66.974048][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.974273][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.974397][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.974518][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.974671][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.974793][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.974914][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.977030][   T12] ------------[ cut here ]------------
| [   66.977146][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.977873][   T12] Modules linked in:
| [   66.978274][   T12] Tainted: [W]=WARN
[   66.978363][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.978511][   T12] Workqueue: netns cleanup_net
[   66.978630][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.978827][   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
[   66.979310][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.979457][   T12] RAX: 00000000ffffffa6 RBX: ff11000018aeb8c0 RCX: 1ff4000000018ed5
[   66.979630][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000018aeb97c
[   66.979802][   T12] RBP: ff1100000f1f9000 R08: 1fe220000315d731 R09: ff11000001aed1d0
[   66.979974][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   66.980149][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.980373][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.980573][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.980717][   T12] CR2: 000055fcb577d2b8 CR3: 000000000c9e5004 CR4: 0000000000771ef0
[   66.980890][   T12] PKRU: 55555554
[   66.980976][   T12] Call Trace:
[   66.981061][   T12]  <TASK>
[   66.981121][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.981319][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.981462][   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)
[   66.981578][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.981693][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.981838][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.981957][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.982075][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.982241][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.982357][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.982474][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.982591][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.982707][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.982827][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.982943][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.983057][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.983172][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.983339][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.983456][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.983579][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.983696][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.983816][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.983936][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.984051][   T12]  kthread (kernel/kthread.c:436)
[   66.984138][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.984332][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.984448][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.984564][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.984710][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.984830][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.984945][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.996107][   T12] ------------[ cut here ]------------
| [   66.996236][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.996456][   T12] Modules linked in:
| [   66.996800][   T12] Tainted: [W]=WARN
[   66.996887][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.997029][   T12] Workqueue: netns cleanup_net
[   66.997147][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.997305][   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
[   66.997713][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.997858][   T12] RAX: 00000000ffffffa6 RBX: ff1100000966a580 RCX: 1ff4000000018ed5
[   66.998028][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000966a63c
[   66.998202][   T12] RBP: ff1100000f34c000 R08: 1fe22000012cd4c9 R09: ff11000001aed1d0
[   66.998379][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   66.998554][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.998739][   T12] FS:  0000000000000000(0000) GS:ff110000cbe47000(0000) knlGS:0000000000000000
[   66.998937][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.999097][   T12] CR2: 000055fcb577d2b8 CR3: 000000000c9e5004 CR4: 0000000000771ef0
[   66.999283][   T12] PKRU: 55555554
[   66.999369][   T12] Call Trace:
[   66.999455][   T12]  <TASK>
[   66.999516][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.999662][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.999804][   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)
[   66.999917][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   67.000030][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   67.000174][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   67.000298][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   67.000414][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   67.000529][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   67.000643][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   67.000758][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   67.000873][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   67.000988][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.001105][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   67.001230][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   67.001345][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   67.001459][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.001574][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.001690][   T12]  process_one_work (kernel/workqueue.c:3314)
[   67.001809][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   67.001922][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.002042][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   67.002161][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   67.002282][   T12]  kthread (kernel/kthread.c:436)
[   67.002367][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   67.002509][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   67.002625][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   67.002739][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   67.002885][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   67.003000][   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:__dev_notify_flags:__dev_set_promiscuity:netif_set_promiscuity
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:netif_close_many_and_unlock:unregister_netdevice_many_notify
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
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